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Technical Retrofit and Energy-saving Effect on Automatic Control System for High-pressure Feed-and Back-water Circulation | In order to improve operation characteristics of control system for high-pressure feed-and back-water circulation so as to achieve energy-saving purpose,a self-driven multifunctional circumference valve has been developed.Integrating 4 control functions such as the flux induction,backflow prevention,by-pass control and... | The study of closed ecological systems (CES) has wide implications for study of ecological interactions both on earth and in space. Our design problem was to create closed ecological systems that were able to support animal grazer populations for greater than thirty days. CES were developed for freshwater and marine sy... | eng_Latn | 9,702 |
Besides methane, what else can be used to produce synthesis gas? | This reaction is favored at low pressures but is nonetheless conducted at high pressures (2.0 MPa, 20 atm or 600 inHg). This is because high-pressure H 2 is the most marketable product and Pressure Swing Adsorption (PSA) purification systems work better at higher pressures. The product mixture is known as "synthesis ga... | Some evidence shows that alternatives to pesticides can be equally effective as the use of chemicals. For example, Sweden has halved its use of pesticides with hardly any reduction in crops.[unreliable source?] In Indonesia, farmers have reduced pesticide use on rice fields by 65% and experienced a 15% crop increase.[u... | eng_Latn | 9,710 |
what is the best fertilizer for pine shrubs | According to University of Minnesota, pine trees should be given a complete fertilizer with nitrogen, phosphorus and potassium. The nitrogen content should be slightly higher than phosphorus and potassium levels; 10-8-6 is generally recommended for pine trees and shrubs.The first number in the analysis is nitrogen, the... | Feed your crape myrtle a fertilizer heavy in nitrogen in spring. The nutrient is known to encourage growth. A six-year U.S. Forest Service study of eucalyptus-tree growth in Hawaii found that trees fed with nitrogen fertilizer were more than twice as tall as untreated trees during the first three years of growth. | eng_Latn | 9,722 |
Modification of soil physical properties by addition of Fe (III) polycations: influence on plant growth | Summary ::: ::: The addition of 0.07 per cent Fe or more in the form of polycations decreased the total area of cracks and increased the number of transmissive pores of soils after simulated rainfall and drying. This resulted in increased per cent emergence and lower mean day of emergence of wheat plants. Per cent emer... | ABSTRACT A field study investigated the perception of environmental hazards in residential areas polluted by chemical wastes. Soil pollution is an important problem in The Netherlands. The government expects that in the period from 1982 to 1997 some 1000 sites will need remedial action. Of these sites about 50 concern ... | eng_Latn | 9,743 |
Yield effects simulation and optimum choices of crop rotation sequences of typical areas on Loess Plateau of China | The field crop rotation experiments usually need to conduct a long period and to do much work.In order to solve this problem,crop models DSSAT3 and ALMANAC were used to study output effect of main crop rotation sequences in typical areas on Loess Plateau.The concepts and calculation expressions of rotation water consum... | Through the several occasions to participate in the management of feed industry in our province and for nearly 300 feed production enterprises survey in the past two years,the existing problems and factors to feed safety were analyzed.In order to ensure the safety of animal products,what feed market supervision should ... | eng_Latn | 9,748 |
Relationships between the performance of low-VOC wood coatings and the dimensional changes of the wooden substrate | Low VOC joinery wood coatings with different moisture permeability were tested in relation to dimensional changes, moisture content and performance after weathering. A permanent decrease in dimensions of coated wood and a linear correlation with moisture content was found. Coating permeability only partly relates to cr... | Background and aims ::: To study the impact of land use change (LUC) from native vegetation and pasture to sugarcane cultivation as well as to evaluate the effect of different management practices on long-term SOC dynamics using the CENTURY ecosystem model. | eng_Latn | 9,752 |
Limiting factors for biogas production from cow manure: energo-environmental approach | The main innovation of the study is the use of a novel energo-environmental approach for investigation of biogas production, and analysis of the amount of methane and biogas produced in terms of en... | Quite many difficult problems have to be dealt with in the course of designing on-line efficiency calculation systems of boilers, such as securing the precise flow of the working medium and of the fuel consumption, content of combustibles in the fly ash as well as the on-line display of the coal quality. The paper disc... | eng_Latn | 9,757 |
STRUCTURAL FEATURES OF AGGREGATES IN SOME EAST ANGLIAN SILT SOILS | Summary ::: Samples from field plots of silty soils in East Anglia, which were high and low in organic matter, were subjected to mild ultrasonic vibration. In soils high in organic matter particles in the 2–20 μm or 20–50 μMm size range contained most humified organic matter, whereas in soils low in organic matter, mos... | Abstrcat Taking a sand-grown plant garden for example, the garden's natural conditions and land use actuality are analyzed, and the landscape ecological construction goal of the garden is proposed. A study is conducted on the ecological design of the garden landscape. | yue_Hant | 9,760 |
Study Progress of Crop Disease Stress Detecting | The methods of crop disease stress detecting based on remote sensing technology,image processing technique and AES(agricultural expert system),the development of these three methods and comparison of their advantage and defect were reviewed. The study state of NAH(near field acoustic holography)was introduced. A study ... | Outline Motivation & background work at the JRC EU agricultural emissions in perspective Methodology: CAPRI Model Scenario assumptions Main results Limitations Conclusions Conclusions •Without further action, agricultural GHG emissions in the EU-28 are projected to decrease by 2.3% by 2030 compared to 2005. •The... | eng_Latn | 9,761 |
Towards Second Generation Bioethanol | Abstract This work proposes a multi-period and spatially explicit framework conceived to drive strategic policies on biofuels. A Mixed Integer Linear Programming (MILP) model is proposed as quantitative tool to optimise the oncoming transition towards more sustainable infrastructures. This paper addresses the design of... | The main innovation of the study is the use of a novel energo-environmental approach for investigation of biogas production, and analysis of the amount of methane and biogas produced in terms of en... | eng_Latn | 9,767 |
Grape Growing in the Livermore Valley, Past and Present | Summarizing the problems of the grape grower in the Livermore Valley today, with special emphasis toward encouraging new additional plantings, it is evident that: (1) a grower must produce fine quality table wine grapes for the discriminating winery, for which he must receive a premium. (2) he should be tied in with a ... | Water quality information regarding grasslands in the Southern Plains of Oklahoma and Texas in sparse. The objective of this study was to determine the extent to which the area's surface and ground-water quality is influenced by native and introduced grass management practices. Concentrations and amounts of sediment, N... | eng_Latn | 9,771 |
SIMULATING SOURCE AND SINK CONTROL OF STRUCTURAL GROWTH AND DEVELOPMENT AND SUGAR ACCUMULATION IN SUGARCANE | Crop simulation modelling can assist plant breeding by simulating the contribution of subtraits such as leaf elongation rate to complex traits such as sucrose yield and by simulating realistic interactions between the genetic traits and environmental factors. In the current Canegro sugarcane model, while canopy area de... | SUBTITLE: SHIPPERS CAN LOOK FORWARD TO CONTINUING CAPACITY CONSTRAINTS AND PRICE INCREASES FOR THIS YEAR AND BEYOND. THE SOLUTION? TRY EVERYTHING, INCLUDING REDESIGNING YOUR SUPPLY-CHAIN NETWORK. | yue_Hant | 9,772 |
Research Progress of Drought Stress on Tobacco | Drought influences greatly on tobacco seed germination,growth and fruition.The paper summarizes the influence of drought stress on tobacco growth and development,yield and physiological and biochemical characteristics,which aims at supplying basis for the further study. | Outline Motivation & background work at the JRC EU agricultural emissions in perspective Methodology: CAPRI Model Scenario assumptions Main results Limitations Conclusions Conclusions •Without further action, agricultural GHG emissions in the EU-28 are projected to decrease by 2.3% by 2030 compared to 2005. •The... | eng_Latn | 9,774 |
how much fertilizer to use on alfalfa | Figure 3. A multi-year Purdue study found that the highest alfalfa yields were recorded when fertilizer rates were 50 pounds of P 2 O 5 per acre per year, and 200 pounds or more of K 2 O per acre per year.igure 3. A multi-year Purdue study found that the highest alfalfa yields were recorded when fertilizer rates were 5... | To achieve seed stands of these densities, growers have been sowing 0.5 to 1.0 lb/acre (0.5 to 1.0 kg/ha). Considering alfalfa contains about 220,000 seeds per pound (485,000 seeds per kilogram) even these low seeding rates can be too high. However, even under the best managed conditions there is considerable seedling ... | eng_Latn | 9,811 |
what is usually the main ingredient that causes eutrophication | Eutrophication Eutrophication is a process in which bodies of water (lakes, ponds, and rivers) receive excess nutrients that stimulate excessive growth of algae.The two most common nutrients that initiate eutrophication are nitrogen and phosphorous, two limiting nutrients in the growth of algae.utrophication is a noun ... | The main focus and concern cause of eutrophication is nitrogen and phosphorus, but nitrogen has far more attention because it often limits primary production in estuaries and coastal waters and because the global application of nitrogen from synthetic fertilizers is far greater than that of phosphorus.e then focused th... | eng_Latn | 9,838 |
The high-luminosity LHC (HL-LHC) upgrade is setting a new challenge for particle detector technologies. The increase in luminosity will produce a higher particle background with respect to present conditions. In order to study performance and stability of detectors at LHC and future HL-LHC upgrades, a new dedicated fac... | Operation of large-area muon detectors at the future Large Hadron Collider (LHC) will be characterized by large sustained hit rates over the whole area, reaching the range of kHz cm −2 . We describe a dedicated test zone built at CERN to test the performance and the aging of the muon chambers currently under developmen... | Berzelius failed to make use of Faraday's electrochemical laws in his laborious determination of equivalent weights. | eng_Latn | 10,044 |
AC Magnetic Guide for Cold Atoms in an Ioffe Tube | We propose a novel ac magnetic waveguide for cold neutral atoms in an Ioffe tube. The time-averaged magnetic potential and force for the guided atoms in the magnetic guiding tube are calculated, and the results show that it is high enough to collect and guide nearly all of cold atoms from a standard magneto-optical tra... | It is shown that the temperature gradients caused by the heating of an angularly accelerated gas due to compression and the converse cooling of the decelerated gas have appreciable effects on isotope separation factors as determined by centrifugation. These effects were found to be greater than would be indicated by th... | kor_Hang | 10,065 |
Comparative study of macrophage migration in different strains of mice: absence of migration in C3H mice. | In the course of studying the susceptibility of mice to Salmonella infection, we discovered that C3H/HeJ mice differ from other strains in both their susceptibility to infection and their response to prior vaccination. Others have noted the absence of the usual B cell stimulation by LPS in these mice. To investigate th... | External injection of an electron bunch in the laser wakefield can result in femtosecond accelerated bunches with relatively low energy spread. In this paper it is shown that the density transition from vacuum to plasma can play an important role in the trapping process. The plasma wavelength in this transition region ... | eng_Latn | 10,076 |
Effects of Propagation of Narrow Bipolar Pulses, Generated by Compact Cloud Discharges, over Finitely Conducting Ground | Propagation effects on the narrow bipolar pulses (NBPs) or the radiation fields generated by compact cloud discharges as they propagate over finitely conducting ground are presented. The results were obtained using a sample of NBPs recorded with high time resolution from close thunderstorms in Sri Lanka. The results sh... | In this Brief Report we consider a nonlocal Ginzburg-Landau-Higgs model in the presence of a neutralizing uniform background charge. We show that such a system possesses vortices that feature a strong radial electric field. We estimate the basic properties of such an object and characteristic length scales in this mode... | eng_Latn | 10,079 |
Analytic model for surface ground motion with spall induced by underground nuclear tests | This report provides a detailed presentation and critique of a model used to characterize the surface ground motion following a contained, spalling underground nuclear explosion intended for calculation of the resulting atmospheric acoustic pulse. Some examples of its use are included. Some discussion of the general ap... | We study the effects of gluon radiation on top production and decay processes at an $e^+e^-$ collider.The matrix elements are computed without any approximations, using spinor techniques. We use a Monte Carlo event generator which takes into account the infrared singularity due to soft gluons and differences in kinemat... | eng_Latn | 10,081 |
Design and modeling of compact high power fiber lasers | Highly-doped phosphate glasses provide significantly higher gain than regular silica doped glasses. We will discuss a novel design strategy for compact, high gain, double clad and photonic crystal fiber lasers and amplifiers. Modeling tools include higher order finite element-based vector modal solvers for passive and ... | In this study, the neutron emission rate from neutron sources using prompt gamma rays in hydrogen was determined, and several improvements were applied. Using Monte Carlo calculations, the best positions for the source, moderator and detector relative to each other were selected. For (241)Am-Be and (252)Cf sources, the... | eng_Latn | 10,087 |
Muon ring images with an atmospheric Čerenkov telescope | High energy muons generated by air showers can be detected with atmospheric Cerenkov imaging telescopes via their ring signature. The distribution of Cerenkov light along the ring is a function only of the muon's distance of impact from the telescope: this property makes possible the calibration of the photon collectio... | Using a pump-probe Michelson experiment, we test the theory of thermo-optic (TO) effects in dielectric mirror coatings. We observe partial cancellation between coating expansion and TO effects. We also measure relevant thin film material parameters. | eng_Latn | 10,104 |
Measurement methodology of projectors in confined environment | The intent of this paper is to describe the first stages of potentially ongoing collaborative research between the United States Naval Research Laboratory's Underwater Sound Reference Detachment (USRD) and France's DCN In genierie cenae Sud Departement Lutte Sous-Marine (DCN/SUD/DLSM). The immediate focus of this colla... | High energy muons generated by air showers can be detected with atmospheric Cerenkov imaging telescopes via their ring signature. The distribution of Cerenkov light along the ring is a function only of the muon's distance of impact from the telescope: this property makes possible the calibration of the photon collectio... | eng_Latn | 10,120 |
Subpicosecond magnetization dynamics in TbCo alloys | Since the discovery of all-optical magnetization switching in rare-earth transition-metal alloys the underlying magnetization dynamics of multisublattice magnets has become a hot topic of modern magnetism. We studied the ultrafast magnetization dynamics in TbCo alloys as a function of the alloy composition and the lase... | The purpose of this study is to investigate the accuracy of dose predicted by cone convolution algorithm. This work describes an experimental verification of two dose calculation algorithms available on the Philips Pinnacle3 (version 8.0) commercial radiotherapy treatment planning system (TPS): Collapsed cone convoluti... | eng_Latn | 10,122 |
Research of Electromagnetic Shielding Material for Building | Electromagnetic shielding material is the material basis for the realization of electromagnetic shielding.The properties and characters,the study and application of several kinds of common electromagnetic shielding materials for building are introduced in this paper,and the development direction of these materials is p... | Abstract Calculations employing the simple Monte Carlo model of gamma-ray interaction in a silicon ΔE -detector provide a very reliable energy spectrum of Compton-scattered electrons. This makes it possible to determine the thickness of a Si ΔE -detector with a good accuracy. | eng_Latn | 10,129 |
Hot-electron blast induced by ultrashort-pulsed lasers in layered media | Femtosecond laser heating on metals produces a blasting force in the sub-picosecond domain, which exerts on the metal lattices along with the non-equilibrium heat flow from hot electrons. Such a hot-electron blast depends on both temperature and temperature gradient in the electron gas, resulting in pronounced effects ... | We present a systematic study of production of strange and non-strange hadron yields and their ratios obtained in various experiments using our thermodynamically consistent excluded-volume model. We also analyze the production of light nuclei, hypernuclei and their antinuclei in terms of our excluded-volume model over ... | eng_Latn | 10,133 |
Testing various polarized parton distributions at RHIC | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | We consider the cross area of the PP_ and PSV_wave window as the best window for joint PP_ and PSV_wave acquisition in VTI media. Within the effective window, the PP_ and PSV_wave's raypathes and phase angles at all reflection points are calculated, and the reflection (or transmission) coefficients' ratios of PSV- to P... | eng_Latn | 10,149 |
Opportunities and problems in determining proton and light nuclear radii | We briefly review the so-called ‘proton puzzle’, i.e., the disagreement of the newly extracted value of the proton charge radius r p from muonic hydrogen spectroscopy with other extractions, its possible significance and related problems. After describing the conventional theory to extract the proton radius from atomic... | Background ::: A lack of consistent methods to evaluate Ki67 expression is problematic in terms of accurately predicting prognosis in breast cancer. Accordingly, this study aimed to identify the causes of discrepancies in Ki67 labeling index measurements by different observers under different conditions using breast ca... | eng_Latn | 10,157 |
Nuclear Bragg Diffraction of Synchrotron Radiation at the 8.41 keV Resonance of Thulium | For the first time nuclear Bragg diffraction of synchrotron radiation at the 8.41 keV resonance of 169Tm was observed. Time differential measurements were performed with the pure nuclear (424) reflection of a thulium iron garnet single crystal. The dynamical theory of Mossbauer optics is applied to evaluate the time sp... | Several studies for the LHC luminosity upgrade pointed out the need for low-beta quadrupoles with apertures larger than the present baseline (70 mm). In this paper we focus on the design issues of a 130 mm aperture quadrupole. We first consider the Nb-Ti option, presenting a magnetic design with the LHC dipole and quad... | eng_Latn | 10,159 |
Three particle singularities in scattering amplitudes | As a preliminary to a study of the three particle case, a detailed discussion is given, within the framework of the S-matrix postulates of unitarity and analyticity, of methods of defining “reduced” two particle scattering amplitudes that lack the two particle singularity; the extension to the multichannel case is brie... | This main objectives of this effort are the development and prototyping of a small. sensitive, and low-cost multi-channel nanoparticle scintillation microdevice with integrated waveguides for alpha, beta, gamma, and neutron detection. This research effort has integrated experiments and simulation to determine the combi... | eng_Latn | 10,160 |
Channelling and channelling radiation | The study of channelling phenomena has developed rapidly since the early 1960s and today channelling has found many applications. The radiation emitted by channelled megaelectronvolt and gigaelectronvolt electrons and positrons has been investigated extensively and the possibility of, for example, constructing intense ... | The transition from order to chaos in atomic nuclei has been studied analytically and numerically using a quadrupole-quadrupole residual interaction. This interaction leads to chaotic behaviour, but the critical energyEC≅12.6 MeV, corresponding to the onset of chaos, is higher than that of the experimental one. | eng_Latn | 10,184 |
Energetic study of focused ultrashort Gaussian beams | An energetic study of focused ultrashort Gaussian beams was carried out using the Fresnel diffraction formulae ::: in the frequency domain. Analysis of the encircled energy at the focused plane shows that diffraction spreading ::: of a focused pulsed beam occurs in the limiting case of a ultrashort pulse by comparing i... | In this article we are discussing the nature and mechanism of the huge ::: amount of heat generation in Megawatts Energy Catalyzers (E-cat) of Andrea ::: Rossi that are able to change the energetics of our civilization in general. ::: These processes are new effects of Unitary Quantum Theory and do not relate to ::: ei... | eng_Latn | 10,186 |
Analysis on risk factor of diabetes mellitus using LISEREL | ObjectiveTo analyze the risk factor of diabetes mellitus in Shenzhen city.MethodsRisk factors of DM was analyzed by factor analysi s and linear structural relation model,then fit and evaluate the model. ResultsIndex of biochemistry affected directly the statu s of disease index of physiology,affected the status of dise... | An Energy Recovery Linac (ERL) Prototype facility to be built at Daresbury Laboratory serves as a testbed for the study of beam dynamics and accelerator technology important for the design and construction of the 4th Generation Light Source (4GLS). This paper describes the possibility of utilising a planar undulator at... | kor_Hang | 10,188 |
Gamma-Ray Telescope and Uncertainty Principle | Heisenberg’s Uncertainty Principle is one of the important basic principles of quantum mechanics. In most of the books on quantum mechanics, this uncertainty principle is generally illustrated with the help of a gamma ray microscope, wherein neither the image formation criterion nor the lens properties are taken into a... | We study the effects of gluon radiation on top production and decay processes at an $e^+e^-$ collider.The matrix elements are computed without any approximations, using spinor techniques. We use a Monte Carlo event generator which takes into account the infrared singularity due to soft gluons and differences in kinemat... | eng_Latn | 10,199 |
An experimental study of charge transfer and ionisation in Cs+-Cs+ collisions | Cross sections for Cs2+ production from the combined processes of charge transfer and ionisation in Cs+-Cs+ collisions have been determined at centre-of-mass energies between 40 and 280 keV using an intersecting-beam technique previously developed in this laboratory. Measured cross sections are at least 1.5*10-16 cm2 a... | Classical contact transformation theory is reconstructed from the concept of explicit rather than implicit transformation equations. This proves the existence of contact transformations from any given Hamiltonian to any prescribed Hamiltonian (with the same number of degrees of freedom). | eng_Latn | 10,202 |
Rolling shutter with non-noise flat disc spring driving device | A spring motor having a pot shaped housing in which a flat spiral spring is housed. The flat spiral spring is connected at one outer end to the pot-shaped housing while the inner end is coupled to a shaft or axle. To prevent radial vibrations of individual spring layers when the spring motor is wound or unwound, a damp... | The soft X ray streak camera is very important detection tool for studying soft ray time characteristics. We calibrated its relative energy response and gain with synchrotron radiation light source on the BSEF. The experimental results agree with those calculated by B.L. Henke. | eng_Latn | 10,217 |
Anomalous small-angle scattering as a way to solve the Babinet principle problem | X-ray absorption spectra (XAS) have been used to determine the absorption edges of atoms present in a sample under study. A series of small-angle X-ray scattering (SAXS) measurements using different monochromatic X-ray beams at different wavelengths near the absorption edges is performed to solve the Babinet principle ... | Abstract : This thesis presents a study of radiation patterns for low-gain antennas installed on aircraft. With the aid of the computer program APATCH, a simulation of the radian on patterns for a given antenna located at various points on an aircraft structure can he evaluated. The program uses a technique referred. t... | eng_Latn | 10,238 |
An automatic DIMM for Dome A, Antarctica | The seeing at Dome A, Antarctica is expected to be similar to the superb seeing at Dome C, a median of about 0:003. However, there has not been direct night seeing measurement yet, because unattended DIMM (Differential Image Motion Monitor) is hard to be operated automatically over the winter at Dome A. To solve this p... | We study the Radiation-Induced Mismatch Enhancement (RIME) in 65 nm CMOS SRAM block designed for space applications. X-ray and heavy ion irradiation increase the number of non-rewriting cells. | war_Latn | 10,240 |
Behavior of Slender RC Columns with Inclination | In this paper, the non-linear behaviour of slender reinforced concrete (RC) columns with inclination is investigated. The available studies on inclined columns (not struts) are not sufficient in co... | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,249 |
Use of aerogel for imaging Cherenkov counters | Abstract In the past, detectors using silica aerogel as a Cherenkov radiator treated this material as a diffuse source of Cherenkov photons. In this paper we report on measurements made to explore the feasibility of using aerogel for imaging Cherenkov purposes. The results of the measurements are reproduced by a detail... | Abstract Many human operations have created a large population of small orbital debris in near Earth environment. The threat they represent for satellites is a major factor for the preparation of future space missions. Several experiments devoted to the study of this environment, as well as various materials exposed to... | eng_Latn | 10,251 |
Comparative study of single and double ionization of helium by ion impact | We present three-dimensional angular distributions of the sum momentum vector of electrons emitted in double ionization in 6 MeV p + He collisions for fully determined kinematics. The results are directly compared to corresponding data for single ionization. Qualitative similarities between single and double ionization... | Measurements performed at the Tevatron of both the like-sign dimuon charge asymmetry inBd;s-meson samples and the mixing-induced CP asymmetry inBs! J= depart from their standard model (SM) predictions. This could be an indication for new CP phases in B = 2 transitions, preferentially in Bs{ Bs mixing. The experimental ... | eng_Latn | 10,253 |
A new electro-produced pulsed slow positron facility | A new electro-produced pulsed slow positron facility is now in operation at the Institute for Storage Ring Facilities at Aarhus (ISA). Around 30,000 positrons/pulse are routinely produced at a frequency of 12 Hz. With the use of a buncher a pulse length of around 10 ns has been obtained. A program of positron trapping ... | We present an asymptotic form of the Boussinesq equations in the limit of small P ´ eclet numbers i.e. when the time scale of motions is much larger than the time scale of ther- mal diffusion. We find that, in this limit, the effects of thermal diffusion and stable stratification combine in a single physical process. T... | eng_Latn | 10,261 |
Thermal Detection of Dark Matter | Bolometers operating at low temperature are discussed as detectors of heavy particles which have been recently considered as constituents of Cosmic Dark Matter. The study of the heat leak in a cascade refrigerator operating underground is suggested for the indirect detection of Weak Interacting Massive Particles. | We have investigated the effects of carrier diffusion on the impulse response of a resonant-cavity enhanced photodetector using our analytic expression for a short-circuit current. Our theoretical results indicate that diffusion introduces a significant tail in the temporal response of photodetectors. We show that the ... | eng_Latn | 10,264 |
Effects of accelerated crucible rotation on segregation and interface morphology for vertical Bridgman crystal growth: Visualization and simulation | Abstract The effects of accelerated crucible rotation technique (ACRT) on the segregation, interface shape, and morphological instability during vertical Bridgman (VB) crystal growth of succinonitrile (SCN) containing 0.064 wt% acetone were investigated by visualization experiments and computer simulation. It was found... | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,265 |
Wave mixing and beam profile control in a photorefractive waveguide | Photorefractive wave mixing in a waveguide geometry with nonguided external pumps has been studied experimentally and theoretically. Guided beam amplification has been obtained in an iron-doped lithium niobate waveguide. Additionally, photorefractive grating couplers that allow the transverse profile of the decoupled g... | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,266 |
Circular-viewing rainbow holography | Completely differ to common plate rainbow holography, a circular-viewing rainbow holography which is viewed in the direction approximately parallel to the holographic plate is elaborated. The viewing-angle of this rainbow hologram made by this technique is 360°. The experimental result and its analysis are presented. | Abstract A very promising spin physics programme will be soon on the way at the BNL Relativistic Heavy Ion Collider (RHIC). By studying the spin asymmetries for various processes (single photon, single jet and W ± production), we will compare the different predictions obtained using some sets of polarized parton distri... | eng_Latn | 10,268 |
Fourier spectroscopy study of Josephson junction own radiation | The frequency characteristics of Josephson own radiation have been studied by means of Fourier spectroscopy. The FIR measurements were performed with the help of Fourier spectrometer coupled with the Nb Josephson junction. The main feature of this technique is that one Josephson junction operates as both generator and ... | Abstract We present a convenient analytical parametrization, in both configuration and momentum spaces, of the deuteron wave-function calculated with the Paris potential. | eng_Latn | 10,270 |
Simulation study on high energy electron and gamma-ray detection with CALET | High energy electron detection is very important to understand the cosmic ray origin, acceleration, and propagation. Until now only several electrons above 1 TeV have been observed. The CALorimetric Electron Telescope (CALET) will perform a direct measurement of electrons and gamma rays up to 10 TeV. Its advanced desig... | Abstract In this paper, identification of the joint probability dentisity function (PDF) from missing data is considered. The model of PDF is Gaussian mixture. It is well known that the expectation-maximization (EM) algorithm is useful for the identification of Gaussian mixture. Here it is extended to the case of missi... | eng_Latn | 10,281 |
The Body: An Abstract and Actual Rhetorical Concept | The body has always been an implicit concern for rhetorical studies. This essay suggests that that implicit concern has mostly relied on an abstract, and specific, concept of the body. It is only through bodily difference in contrast to the unspoken, yet specified, white, cisgender, able-bodied, heterosexual male stand... | We study advancing front methods for surface reconstruction. We propose a topological framework based on handlebody theory to implement such methods in a simple and robust way. As an example of the application of this framework we show an implementation of the Ball-Pivoting algorithm. | eng_Latn | 10,317 |
TreeSha: 3D shape retrieval with a tree graph representation based on the autodiffusion function topology | In this paper we present a new method for shape description and matching based on a tree representation built upon the scale space analysis of maxima of the Autodiffusion function (ADF). The use of the Heat Kernel based approach makes the method invariant to articulated deformations. By coupling maxima of the Autodiffu... | SUMMARY ::: ::: In this paper six distribution-free (nonparametric) stereological methods for the solution of Wicksell's corpuscle problem—i.e. the determination of the distribution of diameters of spheres embedded in an opaque specimen from the diameters of their profiles on plane sections—are compared as regards thei... | eng_Latn | 10,343 |
GIFT: Towards Scalable 3D Shape Retrieval | DeepPano: Deep Panoramic Representation for 3-D Shape Recognition | Pharmacokinetic study of Noni fruit extract. | kor_Hang | 10,357 |
Shape Completion Using 3D-Encoder-Predictor CNNs and Shape Synthesis | Screened poisson surface reconstruction | SEIPS 2.0: a human factors framework for studying and improving the work of healthcare professionals and patients | eng_Latn | 10,364 |
Automatic tooth segmentation of dental mesh using a transverse plane | Snake-Based Segmentation of Teeth from Virtual Dental Casts | Using a web-based survey tool to undertake a Delphi study: application for nurse education research. | eng_Latn | 10,369 |
tonsillectomy and risk of parkinson ' s disease : a danish nationwide population - based cohort study . | The Danish Civil Registration System as a tool in epidemiology | Combining pixel domain and compressed domain index for sketch based image retrieval | eng_Latn | 10,390 |
the anatomy of a sales configurator : an empirical study of 111 cases . | Reverse engineering feature models | Automatic and topology-preserving gradient mesh generation for image vectorization | eng_Latn | 10,397 |
A Geometric take on Metric Learning | Principal geodesic analysis for the study of nonlinear statistics of shape | Tracing Function Dependencies across Clouds | eng_Latn | 10,486 |
With the advent of sophisticated acquisition and analysis techniques, decoding the contents of someone's experience has become a reality. We propose a straightforward linear Gaussian approach, where decoding relies on the inversion of properly regularized encoding models, which can still be solved analytically. In orde... | ▪ It has long been assumed that sensory neurons are adapted, through both evolutionary and developmental processes, to the statistical properties of the signals to which they are exposed. Attneave (1954), Barlow (1961) proposed that information theory could provide a link between environmental statistics and neural res... | This paper has been withdrawn by the author due to a crucial mistakes. | eng_Latn | 10,565 |
In this paper, we integrate impulsive control and adaptive control methods, based on the stability theory of impulsive differential equations, generalized projective synchronization between the general complex dynamical networks with time delay is investigated. A nonlinear controller, updating laws and a linear impulsi... | The ultimate state of projective synchronization is hardly predictable. A control algorithm is thus proposed to manipulate the synchronization in arbitrary dimension. The control law derived from the Lyapunov stability theory with the aid of slack variables is effective to any initial conditions. The method allows us t... | Several sufficient conditions which guarantee stability of linear time-delay systems are derived. Each of these results is expressed by a succinct scalar inequality and corresponds to a certain extent to the tradeoff between simplicity and sharpness. | eng_Latn | 10,581 |
Heterogeneous Asymmetric Dynamic Conditional Correlation Model with Stock Return and Range | The paper considers the return and range model with dynamic conditional correlations (DCC). The paper suggests the new speci cations for the asymmetric effects on log-volatilities and dynamic correlations, combined with long-run dependences. The new DCC model can be estimated by the quasi-maximum likelihood method. The... | Since about twenty years, the otoneurology functional exploration possesses auditory tool to analyze objectively the state of the nervous conduction of additive pathway. In this paper, we present a new classification approach based on the Hidden Markov Models (HMM) which used to design a Computer aided medical diagnost... | eng_Latn | 10,640 |
Evaluation of auditory cortex tonotopical organization in rats Through Principal Component Analysis | Ethological communication permits the exchange of context-specific information among mammals. In recent literature, many investigations have been performed on behavioral responses but little is known about neurophysiological pattern activation. In this study we investigated neuron patterns in response to ultrasound voc... | We address the problem of effectiveness of the high resolution techniques applied to the conditional model. The rationale is based on a definition of the probability of resolution of maximum likelihood estimators which is computable in the asymptotic region of operation (in SNR and/or in large number of snapshots). The... | eng_Latn | 10,671 |
Ultrasonic irradiation enhanced cell nucleation : An effective approach to microcellular foams of both high cell density and expansion ratio | In this work, ultrasonic irradiation (UI) was used as the external energy source to assist polystyrene foaming process by using supercritical CO2 as the physical blowing agent. It is shown that by introducing the UI at the very start of foaming, the resultant polymer foam exhibited significant and concurrent increase i... | Ethological communication permits the exchange of context-specific information among mammals. In recent literature, many investigations have been performed on behavioral responses but little is known about neurophysiological pattern activation. In this study we investigated neuron patterns in response to ultrasound voc... | eng_Latn | 10,677 |
A Projector Augmented Wave (PAW) code for electronic structure calculations, Part I: atompaw for generating atom-centered functions | The computer program atompaw generates projector and basis functions which are needed for performing electronic structure calculations based on the Projector Augmented Wave (PAW) method. The program is applicable to materials throughout the periodic table. For each element, the user inputs the atomic number, the electr... | Ethological communication permits the exchange of context-specific information among mammals. In recent literature, many investigations have been performed on behavioral responses but little is known about neurophysiological pattern activation. In this study we investigated neuron patterns in response to ultrasound voc... | eng_Latn | 10,682 |
Hearing and saying The functional neuro-anatomy of auditory word processing | Summary The neural systems involved in hearing and repeating single words were investigated in a series of experiments using PET. Neuropsychological and psycholinguistic studies implicate the involvement of posterior and anterior left perisylvian regions (Wernicke's and Broca's areas). Although previous functional neur... | This is a phenomenological study of the communication processes around quality in a symphony chorus, addressing the research question, How do the communication processes in which organizational mem... | eng_Latn | 10,683 |
Memory disruption by unilateral low level, sub-seizure stimulation of the medial amygdaloid nucleus. | Abstract In four experiments 413 male albino rats were used to evaluate memory disruption during a retention test given 24 hr after passive avoidance learning. In Experiment 1, unilateral brain stimulation of 5 μA intensity significantly disrupted retention when applied to the amygdala but not to the dorsal hippocampus... | The article describe operating principle of the single-particle microbeam device,we implanted the SAM and RAM of embryos with a 2.0 MeV of energy and 25 μm of diameter proton microbeam at the fluence of 6×106ions.The embryos' root patterning parameters was observed in detail,such as the development of primary root and ... | eng_Latn | 10,686 |
[Effect of music on motor reaction time and interhemispheric relations]. | Influence of music on motor reaction time (RT) was studied. Warning and triggering stimuli were presented either in the left or in the right visual fields. RT was recorded when playing classical or variety music; control sessions were not accompanied by music. Music shortened RT, and its stimulating effect was the stro... | Since about twenty years, the otoneurology functional exploration possesses auditory tool to analyze objectively the state of the nervous conduction of additive pathway. In this paper, we present a new classification approach based on the Hidden Markov Models (HMM) which used to design a Computer aided medical diagnost... | eng_Latn | 10,694 |
What are some examples of units that short-term memory can be categorized in to? | The model also shows all the memory stores as being a single unit whereas research into this shows differently. For example, short-term memory can be broken up into different units such as visual information and acoustic information. In a study by Zlonoga and Gerber (1986), patient 'KF' demonstrated certain deviations ... | Psychoactive drugs can impair the judgment of time. Stimulants can lead both humans and rats to overestimate time intervals, while depressants can have the opposite effect. The level of activity in the brain of neurotransmitters such as dopamine and norepinephrine may be the reason for this. Such chemicals will either ... | eng_Latn | 10,707 |
What are the names of the groups of FETs | FETs are divided into two families: junction FET (JFET) and insulated gate FET (IGFET). The IGFET is more commonly known as a metal–oxide–semiconductor FET (MOSFET), reflecting its original construction from layers of metal (the gate), oxide (the insulation), and semiconductor. Unlike IGFETs, the JFET gate forms a p–n ... | The model also shows all the memory stores as being a single unit whereas research into this shows differently. For example, short-term memory can be broken up into different units such as visual information and acoustic information. In a study by Zlonoga and Gerber (1986), patient 'KF' demonstrated certain deviations ... | eng_Latn | 10,713 |
High frequency neurons determine effective connectivity in neuronal networks | Spiking activity propagation in neuronal networks: reconciling different perspectives on neural coding | Binaural beat technology in humans: a pilot study to assess psychologic and physiologic effects. | eng_Latn | 10,727 |
Mu suppression as an index of sensorimotor contributions to speech processing: Evidence from continuous EEG signals | The cortical organization of speech processing | understanding the solid - state forms of fenofibrate - - a spectroscopic and computational study . | eng_Latn | 10,771 |
Mechanisms of Human Auditory Localization | Abstract : Three experiments were completed. The first was a methodological study of the relationship between two different methods of measuring auditory thresholds and their possible relationships to supra-threshold tasks. The second experiment replicated, with improved methods, an earlier experiment which measured th... | This paper presents BUT system submitted to NIST 2008 SRE. It includes two subsystems based on Joint Factor Analysis (JFA) GMM/UBM and one based on SVM-GMM. The systems were developed on NIST SRE2006 data, and the results arepresented on NIST SRE 2008 evaluation data. We concentrate on the influence of side information... | eng_Latn | 10,787 |
vertex waves definition | The present study investigated the localization of the. vertex waves. Vertex waves are spike-shaped wave-. forms seen in the EEG leads located in the superior. parietal area during late stage 1 and stage 2 sleep. [1,10]. Vertex waves are thought to have numerous. generators [6] and possibly are secondary evoked po-. | In geometry, a vertex (plural vertices) is a special kind of point that describes the corners or intersections of geometric shapes. | eng_Latn | 10,809 |
We experimentally generate different types of two-dimensional self-trapped photonic lattices in a photorefractive medium and analyze the induced refractive index change using two different methods. One method gives the first experimental Fourier space analysis of both linear and nonlinear self-trapped photonic lattices... | We review some of our recent results on experimental light-induced periodic structures and their role in controlling light ::: in discrete optics considering advanced features based on phase engineering and multiplexing of optically-induced lattices. ::: While in the past only rather simple geometries like diamond, squ... | ABSTRACTUNC-45A is an ubiquitously expressed protein highly conserved throughout evolution. Most of what we currently know about UNC-45A pertains to its role as a regulator of the actomyosin system... | eng_Latn | 10,815 |
Characterizing heralded single photons with an all-fiber source of photon pairs | Abstract Based on the signal and idler photon pairs produced in a piece of high nonlinear fiber by a pulsed pump, we characterize the heralded single photon source from both the theoretical and experimental aspects. In the theory model, started from the derived expression of Bogoliubov transformation for a broadband pu... | We study the behavior of interacting self-propelled particles, whose self-propulsion speed decreases with their local density. By combining direct simulations of the microscopic model with an analysis of the hydrodynamic equations obtained by explicitly coarse graining the model, we show that interactions lead generica... | eng_Latn | 10,818 |
Charge density wave formation accompanying ferromagnetic ordering in quasi-one-dimensional BaIrO3 | The magnetic, transport, optical, and structural properties of quasi-one-dimensional BaIrO 3 show evidence for the simultaneous onset of electronic density wave formation and ferromagnetism at Tc3a 175 K: Two additional features in the chain direction dc conductivity show a sudden change to metallic behavior below Tc2a... | The main objective of this article is to study dynamic of the ::: three-dimensional Boussinesq equations with the periodic boundary ::: condition.We prove that when the Rayleigh number $R$ crosses the ::: first critical Rayleigh number $R_c$, the Rayleigh-Benard problem ::: bifurcates from the basic state to an global ... | eng_Latn | 10,821 |
Properties of the linear eigenvalue problem associated to a hyperbolic non-linear Schrodinger equation are reviewed. The instability band of a deep-water soliton is shown to merge to the continuous spectrum of a linear Schrodinger operator. A new analytical approximation of the instability growth near a threshold is de... | The Hyperbolic Nonlinear Schrodinger equation (HypNLS) arises as a model for the dynamics of three-dimensional narrowband deep water gravity waves. In this study, the Petviashvili method is exploited to numerically compute bi-periodic time-harmonic solutions of the HypNLS equation. In physical space they represent non-... | We prove that groups acting geometrically on delta-quasiconvex spaces contain no essential Baumslag-Solitar quotients as subgroups. This implies that they are translation discrete, meaning that the translation numbers of their nontorsion elements are bounded away from zero. | eng_Latn | 10,843 |
We discuss various methods and problems pertaining to that part of Random Dynamical Systems which deals with real noise processes. We consider the theory of random orthogonal polynomials, and show how methods applied to the study of the random Schrodinger operator can be generalized to study them. We further discuss ce... | We study bifurcations in dynamical systems with bounded random perturbations. Such systems, which arise quite naturally, have been nearly ignored in the literature, despite a rich body of work on systems with unbounded, usually normally distributed, noise. In systems with bounded random perturbations, new kinds of bifu... | Berzelius failed to make use of Faraday's electrochemical laws in his laborious determination of equivalent weights. | eng_Latn | 10,881 |
We introduce a novel class of higher-order, three-mode states called K-dimensional trio coherent states. We study their mathematical properties and prove that they form a complete set in a truncated Fock space. We also study their physical content by explicitly showing that they exhibit nonclassical features such as os... | In this contribution we study a superposition of two finite dimensional trio coherent states (FTCS). The state is regarded as a correlated three-mode state in finite dimensional bases. The framework of Pegg and Barnett formalism, and the phase distribution in addition to the Poissonian distribution are examined. It is ... | ABSTRACTUNC-45A is an ubiquitously expressed protein highly conserved throughout evolution. Most of what we currently know about UNC-45A pertains to its role as a regulator of the actomyosin system... | eng_Latn | 10,883 |
We realize an experimental control over the topological stability of three-lobe discrete vortex solitons by modifying the symmetry of a hexagonal photonic lattice optically induced in a photorefractive crystal. By continuously deforming the lattice wave in one transverse direction, we manipulate the coupling between la... | In this work we study quantum signatures of charge flipping vortices[1], found in the classical discrete nonlinear Schrodinger trimer[2], by use of the Bose-Hubbard model. We are able to identify s ... | We prove that groups acting geometrically on delta-quasiconvex spaces contain no essential Baumslag-Solitar quotients as subgroups. This implies that they are translation discrete, meaning that the translation numbers of their nontorsion elements are bounded away from zero. | eng_Latn | 10,885 |
We study soliton dynamics in a system of two linearly coupled discrete nonlinear Schr\"odinger equations, which describe the dynamics of a two-component Bose gas, coupled by an electromagnetic field, and confined in a strong optical lattice. When the nonlinear coupling strengths are equal, we use a unitary transformati... | 1. The Birth of a Paradigm 2. Linear Wave Theory 3. The Classical Soliton Equations 4. Reaction-Diffusion Systems 5. Nonlinear Lattices 6. Inverse Scattering Methods 7. Peturbation Theory 8. Quantum Lattice Solitons 9. Looking Ahead Bibliography Index | We prove that groups acting geometrically on delta-quasiconvex spaces contain no essential Baumslag-Solitar quotients as subgroups. This implies that they are translation discrete, meaning that the translation numbers of their nontorsion elements are bounded away from zero. | eng_Latn | 10,899 |
Čerenkov resonances and the Casimir geometry | Abstract The power spectrum of Cerenkov radiation off a charged particle is calculated in the Casimir geometry defined by two perfectly conducting neutral parallel plates with an isotrpic permeable medium trapped in between. An explicit analytic expression is obtained for the spectrum exhibiting resonances as a functio... | The main objective of this article is to study dynamic of the ::: three-dimensional Boussinesq equations with the periodic boundary ::: condition.We prove that when the Rayleigh number $R$ crosses the ::: first critical Rayleigh number $R_c$, the Rayleigh-Benard problem ::: bifurcates from the basic state to an global ... | eng_Latn | 10,901 |
REMARKS ON SOME QUANTUM EFFECTS IN A GLOBAL MONOPOLE SPACE–TIME | We study the behaviour of a nonrelativistic quantum particle interacting with the Kratzer molecular potential in the space–time of a global monopole. We find the energy spectrum and derive the scattering amplitude of massive particles propagating in these fields and show how they differ from their free-space values. | Abstract The aim of the present paper is to give the main characteristics of the finite-source G / M /r queue in equilibrium. Here unit i stays in the source for a random time having general distribution function F i ( x ) with density f i ( x ). The service times of all units are assumed to be identically and exponent... | yue_Hant | 10,907 |
Errors in the total Bouguer reduction | This short note discusses various errors in the Bouguer reduction that have been discussed recently in the literature. It also discusses two other errors arising out of the “indirect effect” and the uncertainty in the value of the universal constant of gravitation, G, that previously have not been discussed extensively... | The main objective of this article is to study dynamic of the ::: three-dimensional Boussinesq equations with the periodic boundary ::: condition.We prove that when the Rayleigh number $R$ crosses the ::: first critical Rayleigh number $R_c$, the Rayleigh-Benard problem ::: bifurcates from the basic state to an global ... | eng_Latn | 10,908 |
FUNDAMENTAL GROUP OF THE DYNAMICAL GRAPH | In this paper we will discuss the dynamical graph and its fundamental group. Also we will study the folding of the dynamical graph and the change of the fundamental group under the folding. The variation of the fundamental group under the variation of time will be discussed. We will study the fundamental group of the s... | We show how to extend the formalism of infinitesimal differential diffusion quantum Monte Carlo to the case of higher derivatives of the ground‐state energy of a molecule with respect to the molecular geometry. We use LiH as an example, but the technique can be extended to more complicated, nonliner molecules as well. ... | yue_Hant | 10,910 |
Strongly nonlinear stationary waves | In this chapter we shall start to investigate wave-plasma interaction processes where the relative density changes produced by the ponderomotive force of the high-frequency field cannot longer be considered as small. Thus, attempts to describe such processes have to start from the fully nonlinear system (3.14)–(3.16). ... | In this paper, we study a system governed by impulsive semilinear nonautonomous differential equations. We present the β –Ulam stability, β –Hyers–Ulam stability and β –Hyers–Ulam–Rassias stability for the said system on a compact interval and then extended it to an unbounded interval. We use Gronwall type inequality a... | eng_Latn | 10,918 |
Distribution Function of Electron Velocity Perpendicular to the Driving Force in a Uniform Nonequilibrium Steady State | A macroscopically uniform model of a two-dimensional electron system is proposed to study nonequilibrium properties of electrical conduction. By molecular dynamics simulation, the steady state distribution function $P_y$ of electron velocity in a direction perpendicular to an external driving force is calculated. An ex... | Many recent works are devoted to the study of high frequency oscillatory nonlinear waves, and to nonlinear geometric optics. Typical questions are the existence, the propagation, the interaction and the reflection of waves of the form ::: ::: $$ {u^\varepsilon }\left( {t,x} \right) \sim \underline u \left( {t,x} \right... | eng_Latn | 10,920 |
Linear Recurring Sequences with Cycle Shift Operator over F_4 | This paper presents a new_type linear recurring sequence model over F_4 by adding cycle shift operator to linear recurring sequence over F_4. We first transform study of the model into research on linear recurring sequence over a module. With the aid of matrix representation, we turn it into further study on properties... | We present what is to our knowledge the most complete 1-D numerical analysis of the evolution and the propagation ::: dynamics of an ultrashort laser pulse in a Ti:Sapphire laser oscillator. This study confirms the dispersion ::: managed model of mode-locking, and emphasizes the role of the Kerr nonlinearity in generat... | eng_Latn | 10,938 |
The order-disorder transition in colloidal suspensions under shear flow | We study the order?disorder transition in colloidal suspensions under shear flow by performing Brownian dynamics simulations. We characterize the transition in terms of a statistical property of the time-dependent maximum value of the structure factor. We find that its power spectrum exhibits power-law behaviour only i... | We investigated a Bose system confined in one-dimensional channel by using quantum Monte Carlo simulations. We observed temperature dependences of the superfluid density and two correlation functions along the tubal and the circumferential directions of the channel. As temperature is lowered, first the correlation deve... | eng_Latn | 10,945 |
Charge density wave instabilities driven by multiple umklapp scattering | We show that the concept of umklapp-scattering driven instabilities in one-dimensional systems can be generalized to arbitrary multiple umklapp-scattering processes at commensurate fillings given that the system has sufficiently longer range interactions. To this end we study the fundamental model system, namely, inter... | This paper addresses the problem of channel and propagation delay estimation in asynchronous DS/CDMA systems. We consider the uplink connection in DS/CDMA with long spreading codes. The MIMO stochastic gradient algorithm proposed in [6] is estimating a linear combination of the channel impulse responses and the propaga... | eng_Latn | 10,950 |
Topological phases of lattice bosons with a dynamical gauge field | Optical lattices with a complex-valued tunnelling term have become a standard way of studying gauge-field physics with cold atoms. If the complex phase of the tunnelling is made density-dependent, such system features even a self-interacting or dynamical magnetic field. In this paper we study the scenario of a few boso... | Theoretical barograms have been calculated for acoustic-gravity waves ::: generated by underground explosions. Two formulations were used. 1) The ::: thermally modeled gravitating atmosphere is excited by a time varying deformation of the earth's surface. The final deformation is the static ::: surface displacement due... | eng_Latn | 10,951 |
Proton spin-lattice relaxation time in the superconducting intercalation complex Tas2(pyridine)1/2 | Proton NMR in TaS2(pyridine)1/2 shows that pyridine molecules form a rigid lattice with slow molecular motions up to 300 K. The protons' T1 is associated with interactions between the metallic layers and the molecular layers at least above 80 K. An anomalous T1 plateau below 80 K might tentatively be attributed to the ... | We present what is to our knowledge the most complete 1-D numerical analysis of the evolution and the propagation ::: dynamics of an ultrashort laser pulse in a Ti:Sapphire laser oscillator. This study confirms the dispersion ::: managed model of mode-locking, and emphasizes the role of the Kerr nonlinearity in generat... | eng_Latn | 10,954 |
Time-domain PIC-modeling of suppression of self-modulation in the multiple cavity klystron oscillator with delayed feedback | The results of time-domain PIC-modeling of suppression of self-modulation in a four-cavity klystron oscillator with external delayed feedback are presented. The method is based on using an additional feedback loop with properly chosen delay and phase shift. The application of the method increases the self-modulation th... | A simplified treatment is proposed to study quantitatively the lattice dynamics of CsK, CsRb, and RbK alloy systems. The volume effect on the lattice dynamics of the pure constituent is considered, and the phonon dispersion relations of the local and band modes are obtained forthe Rb0.71K0.29, Rb0.3K0.7, Cs0.7K0.3, Cs0... | eng_Latn | 10,956 |
Decoherence and dynamics in continuous 3D-cooled atom interferometry | We study decoherence in continuously cooled atom interferometers by performing Raman-Ramsey fringe measurements in a continuous beam of 3D-sub-Doppler-cooled rubidium atoms. The atom beam is produced by a two-stage cold atom source that is designed to mitigate the decoherence of atomic interference caused by cooling in... | Summary In this abstract, we propose a new finite-difference scheme for solving wave equations. This scheme splits the multidimensional system into different directions and solves each direction implicitly. Unlike most splitting methods in the literature which produce numerical anisotropy in diagonal directions, this m... | eng_Latn | 10,957 |
On partial differential equations of mixed type in N independent variables | It is proved that a large class of 2-nd order linear partial differential equations of mixed type in n independent variables can be solved by using the theory of positive symmetric systems of 1-st order partial differential equations. Some quasilinear equations of mixed type can be treated in the same way. | We study the photoinduced charge separation processes in solution through a pump–probe spectroscopy theory [Dah-Yen Yang and Sheh-Yi Sheu, J. Chem. Phys. 106, 9427 (1997)] numerically. We investigate the detailed mechanism of nonadiabatic transition processes via the transition differential flux analysis. For the harmo... | eng_Latn | 10,965 |
Universal Hall Response in Synthetic Dimensions | We theoretically study the Hall effect on interacting $M$-leg ladder systems, comparing different measures and properties of the zero temperature Hall response in the limit of weak magnetic fields. Focusing on $SU(M)$ symmetric interacting bosons and fermions, as relevant for e.g. typical synthetic dimensional quantum ... | We prove existence of solutions for a class of systems of subelliptic PDEs arising from Mean Field Game systems with H\"ormander diffusion. These results are motivated by the feedback synthesis Mean Field Game solutions and the Nash equilibria of a large class of $N$-player differential games. | eng_Latn | 10,975 |
Infinitely many solutions for a class of superlinear Dirac–Poisson system | Abstract This paper is concerned with the nonlinear Dirac–Poisson system − i ∑ k = 1 3 α k ∂ k u + ( V ( x ) + a ) β u + ω u − ϕ u = F u ( x , u ) , − Δ ϕ = 4 π | u | 2 , in R 3 where V is an external potential and F is a superlinear nonlinearity modeling various types of interactions. Existence and multiplicity of sta... | The main objective of this article is to study dynamic of the ::: three-dimensional Boussinesq equations with the periodic boundary ::: condition.We prove that when the Rayleigh number $R$ crosses the ::: first critical Rayleigh number $R_c$, the Rayleigh-Benard problem ::: bifurcates from the basic state to an global ... | eng_Latn | 10,976 |
Schrödinger operators with sparse potentials: asymptotics of the Fourier transform of the spectral measure | Abstract: We study the pointwise behavior of the Fourier transform of the spectral measure for discrete one-dimensional Schrödinger operators with sparse potentials. We find a resonance structure which admits a physical interpretation in terms of a simple quasiclassical model. We also present an improved version of kno... | In this article we exhibit some balls lying in the quasi-Fuchsian space of once punctured tori, which are maximal in the class of balls with the same centers. The centers of our maximal balls lie on the slice determined by the trace equation y = ¯ x. | eng_Latn | 10,980 |
Four-wave sum mixing in beryllium around hydrogen Lyman-α | Radiation was generated between 1210 and 1230 A by four-wave sum mixing in beryllium vapor where the 2s2 1S–2s3d1D transition was two-photon resonant. Results indicate that beryllium will be an efficient nonlinear medium in this spectral region with improvements to the stability of the furnace to allow phase matching a... | The main objective of this article is to study dynamic of the ::: three-dimensional Boussinesq equations with the periodic boundary ::: condition.We prove that when the Rayleigh number $R$ crosses the ::: first critical Rayleigh number $R_c$, the Rayleigh-Benard problem ::: bifurcates from the basic state to an global ... | eng_Latn | 10,990 |
Dynamic of the Gaussian quantum discord and effect of non-Markovian degree | We study the dynamic of the Gaussian quantum discord in a continuous-variable system subject to a common non-Markovian environment with zero-temperature. By considering an initial two-mode Gaussian symmetric squeezed thermal state, we show that Gaussian discord has a very different dynamic characteristic in a non-Marko... | Abstract The aim of the present paper is to give the main characteristics of the finite-source G / M /r queue in equilibrium. Here unit i stays in the source for a random time having general distribution function F i ( x ) with density f i ( x ). The service times of all units are assumed to be identically and exponent... | eng_Latn | 10,992 |
Improved Filon-Type Asymptotic Methods for Highly Oscillatory Differential Equations | This chapter presents an effective improvement on the existing Filon-type asymptotic methods, so that the improved methods can numerically solve a class of multi-frequency highly oscillatory second-order differential equations with a positive semi-definite singular matrix which implicitly contains and preserves the osc... | We study non-equilibrium velocity fluctuations in a model for the sedimentation of non-Brownian particles experiencing long-range hydrodynamic interactions. The complex behavior of these fluctuations, the outcome of the collective dynamics of the particles, exhibits many of the features observed in sedimentation experi... | eng_Latn | 10,993 |
Quantum Hall effect on the Lobachevsky plane | The Hall conductivity of an electron gas on the surface of constant negative curvature (the Lobachevsky plane) in the presence of an orthogonal magnetic field is investigated. It is shown that the surface curvature decreases the quantum Hall plateau widths and shifts the steps in the Hall conductivity to higher magneti... | The main objective of this article is to study dynamic of the ::: three-dimensional Boussinesq equations with the periodic boundary ::: condition.We prove that when the Rayleigh number $R$ crosses the ::: first critical Rayleigh number $R_c$, the Rayleigh-Benard problem ::: bifurcates from the basic state to an global ... | eng_Latn | 10,997 |
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