publicationDate stringlengths 10 10 | abstract stringlengths 0 37.3k | title stringlengths 1 5.74k | doi stringlengths 11 47 ⌀ |
|---|---|---|---|
2020-12-01 | Background Air pollution is a global problem with PM 2.5 being one of the major pollutants causing many diseases. The concentrations of PM 2.5 are found to exceed the World Health Organization (WHO) standards especially in lower middle-income countries (LMICs) that house around 40% of the global population. Materials a... | Health Effects Associated with PM2.5: a Systematic Review | 10.1007/s40726-020-00155-3 |
2020-12-01 | Blood chemistry of growing male pigs fed low crude protein (CP) and low-energy diets supplemented with multi-enzyme was determined using 36 male pigs aged 8–10-weeks old. Two metabolizable energy (3000 and 2600 kcal ME /kg) and three protein (18, 16, and 14% CP) levels were used to formulate 6 treatment diets: T1 (3000... | Blood chemistry of growing male pigs in response to low protein and energy diets with EnziBlend Plus supplementation | 10.1007/s00580-020-03163-3 |
2020-12-01 | Abstract— Electrodynamic properties of a low-pressure (electron collision frequency much lower than the field frequency) capacitive high-frequency (HF) discharge with large-area electrodes maintained by an electromagnetic field with frequency higher than 13 MHz is studied analytically. The discharge is sustained by sur... | Features of Electromagnetic Field Excitation in a Capacitive HF Discharge. I. General Aspects. A Simple Model of Symmetric Discharge | 10.1134/S1063780X20120028 |
2020-12-01 | A low-noise amplifier (LNA) topology with tunable input matching and noise cancellation is introduced and described in this paper, which was designed and optimized to interface with a magnetoelectric (ME) antenna in a 0.35 µm MEMS-compatible CMOS process. Compared to conventional antennas, acoustically actuated ME ante... | Integration of a novel CMOS-compatible magnetoelectric antenna with a low-noise amplifier and a tunable input matching | 10.1007/s10470-020-01721-x |
2020-12-01 | Abstract A method for excitation of thorium-229 isomeric nuclei the electron beam irradiation of a solid-state target based on thorium silicate is considered. The key point for obtaining an effective yield of isomeric nuclei is the generation of secondary electrons with a significant increase in the multiplication fact... | ThSi10O22 Compound as Target for Production of Isomeric Thorium-229 Nuclei at Electron Beam Irradiation | 10.1134/S1063778820090021 |
2020-12-01 | Objective To verify the photobiomodulation effect on angiogenic proteins produced and released by dental human pulpal fibroblasts (HPFs). Material and methods HPFs were irradiated with 660-nm low-level laser at fluences of 2.5 J/cm 2 and 3.7 J/cm 2 . The control group was not irradiated. MTT, crystal violet, and ELISA ... | Photobiomodulation effect on angiogenic proteins produced and released by dental pulp cells | 10.1007/s00784-020-03298-1 |
2020-12-01 | Introduction Cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) is an established treatment for pseudomyxoma peritonei (PMP) from perforated low-grade appendiceal mucinous neoplasms (LAMN II). In a selected group of LAMN II patients without established PMP, CRS/HIPEC can be performed lapar... | Laparoscopic cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for perforated low-grade appendiceal mucinous neoplasms | 10.1007/s00464-019-07349-x |
2020-12-01 | Sound absorbing elements commonly used to make quieter spaces are very desirable for high-frequency noise control. It is more attractive if it is possible to produce sound absorbing structures that perform well for a wide frequency range, especially in low-frequencies. In this regard, Helmholtz resonator array is a wel... | Innovative solution to enhance the Helmholtz resonator sound absorber in low-frequency noise by nature inspiration | 10.1007/s40201-020-00512-w |
2020-12-01 | Abstract The adsorption and protective properties of three thiadiazole derivatives on St3 steel from 5 and 15% H 2 SO 4 solutions have been studied by the method of impedance spectroscopy. A series of changes in absorbability and protective effect depending on the compound structure have been determined. Equivalent ele... | Adsorption of a Series of Thiadiazole Derivatives on Low-Carbon Steel from Sulfuric Acid Solutions | 10.1134/S2070205120070151 |
2020-12-01 | Abstract The paper presents the results of studying the efficiency of using ionizing radiation to modify the surface morphology and structural properties of TiO 2 thin films, and the effect of ion modification on the photocatalytic activity of Rhodamine B. decomposition. Structural and morphological changes in thin fil... | The study of the applicability of ionizing radiation to increase the photocatalytic activity of TiO2 thin films | 10.1007/s40097-020-00353-x |
2020-12-01 | This paper studies the pathways of peaking CO 2 emissions of Dezhou city in China, by employing a bottom-up sector analysis model and considering future economic growth, the adjustment of the industrial structure, and the trend of energy intensity. Two scenarios (a business-as-usual (BAU) scenario and a CO 2 mitigation... | Peak CO2 emission in the region dominated by coal use and heavy chemical industries: A case study of Dezhou city in China | 10.1007/s11708-018-0558-y |
2020-12-01 | There are several approaches for improving neural machine translation for low-resource languages: monolingual data can be exploited via pretraining or data augmentation; parallel corpora on related language pairs can be used via parameter sharing or transfer learning in multilingual models; subword segmentation and reg... | Transfer learning and subword sampling for asymmetric-resource one-to-many neural translation | 10.1007/s10590-020-09253-x |
2020-12-01 | Background The COVID-19 pandemic outbreak has set the emergency services in developing countries on major alert, as the installed response capacities are easily overwhelmed by the constantly increasing high demand. The deficit of intensive care unit beds and ventilators in countries like Peru is forcing practitioners t... | Low-dose radiotherapy for COVID-19 pneumonia treatment: case report, procedure, and literature review | 10.1007/s00066-020-01675-z |
2020-12-01 | Oxidized low-density lipoprotein (ox-LDL) modulates gene transcription and expression and induces the development of endothelium inflammation and endothelial dysfunction, in which microRNAs (miRNAs) play a crucial role. However, the mechanism of ox-LDL in inflammatory damage of endothelial cells still remains elusive. ... | MicroRNA-217 ameliorates inflammatory damage of endothelial cells induced by oxidized LDL by targeting EGR1 | 10.1007/s11010-020-03857-w |
2020-12-01 | Low-salinity (LS) waterflooding has been a topic of substantial recent interest in the petroleum industry. Studies have shown that LS brine injection can increase oil production relative to high-salinity (HS) brine injection, but contradictory results have also been reported and a mechanistic explanation of these findi... | A Mechanistic Pore-Scale Analysis of the Low-Salinity Effect in Heterogeneously Wetted Porous Media | 10.1007/s11242-020-01488-9 |
2020-12-01 | The Japanese traditional fermented soybean or “natto”, a cheap and nutrient-rich food, is very popular in Japan. The low-phytate (LP) soybeans exhibit higher mineral bioavailability; however, their use in preparing natto has not been reported. Therefore, in this study, characteristics and quality of natto prepared usin... | Characteristics and Quality of Japanese Traditional Fermented Soybean (Natto) from a Low-phytate Line | 10.1007/s11130-020-00865-5 |
2020-12-01 | Background Local tissue damage caused by electrical burns is often deep and severe. High-voltage electrical burns are common in the head, neck and torso areas. These are mostly caused by direct contact with the power supply and are often accompanied by deep injuries of the nerve, blood vessel, muscle, tendon, and bone.... | Lower trapezius myocutaneous flap repairs adjacent deep electrical burn wounds | 10.1186/s40001-020-00465-8 |
2020-12-01 | This study quantified the effect of weeding frequency and weeding schedules on weeding operation time in a sugi ( Cryptomeria japonica ) plantation stand. A weeding operation time estimation model was developed; then the cumulative weeding operation time after six growing seasons was simulated using the developed model... | The effect of weeding frequency and schedule on weeding operation time: a simulation study on a sugi (Cryptomeria japonica) plantation in Japan | 10.1007/s11676-019-01017-5 |
2020-12-01 | Since February 21, 2020, SARS-CoV-2 has spread exponentially worldwide. Neonatal patients needing intensive care are considered a vulnerable population. To report the results of a policy based on multi-timepoint surveillance for SARS-CoV-2 of all neonates admitted to the neonatal intensive care unit (NICU), their paren... | Universal screening of high-risk neonates, parents, and staff at a neonatal intensive care unit during the SARS-CoV-2 pandemic | 10.1007/s00431-020-03765-7 |
2020-12-01 | Purpose of Review The role of pelvic neurophysiology testing in the evaluation of patients with lower urinary tract (LUT) symptoms is explored in this review. Recent Findings Different neurophysiology tests such as sphincter EMG and pudendal somatosensory evoked potentials are useful in evaluating the sacral somatic af... | The Role of Pelvic Neurophysiology Testing in the Assessment of Patients with Voiding Dysfunction | 10.1007/s11884-020-00613-0 |
2020-12-01 | Fixed-bed bioreactors packed with macrocarriers show great potential to be used for vaccine process development and large-scale production due to distinguishing features of low shear force, high cell adhering surface area, and easy replacement of culture media in situ. As an initial step of utilizing this type of biore... | Pseudorabies virus production using a serum-free medium in fixed-bed bioreactors with low cell inoculum density | 10.1007/s10529-020-02987-x |
2020-12-01 | The rotor blade of an experiment turbine for low Reynolds number flow conditions is recontoured on the hub endwall to reduce the hub’s secondary flow losses. The baseline rotor blade is radially stacked with airfoils of free vortex twisting. The hub section airfoil of the rotor blade is reprofiled for three considerati... | Reducing rotor secondary losses in a turbine stage through endwall airfoil profiling | 10.1007/s12206-020-2104-1 |
2020-12-01 | By applying monotone iterative technique coupled with the method of lower and upper solutions, sufficient conditions are obtained for the existence of mild solution of Sobolev type fractional integro-differential equations with fractional nonlocal conditions. The results are obtained under monotonicity and measure of n... | Monotone iterative technique for Sobolev type fractional integro-differential equations with fractional nonlocal conditions | 10.1007/s12215-019-00447-8 |
2020-11-30 | One of the major applications of Wireless Body Area Networks (WBANs), and the Internet of Things is the Electronic Health-Care systems. The progress in WBANs, and implanted health monitoring technologies have strong potential to alter the future of healthcare services by enabling ubiquitous monitoring of patients. An e... | A hybrid energy-efficient routing protocol for wireless body area networks using ultra-low-power transceivers for eHealth care systems | 10.1007/s42452-020-03900-x |
2020-11-30 | Background Most studies have shown that maternal age is associated with birth weight. However, the specific relationship between each additional year of maternal age and birth weight remains unclear. The study aimed to analyze the specific association between maternal age and birth weight. Methods Raw data for all live... | Changing trends of birth weight with maternal age: a cross-sectional study in Xi’an city of Northwestern China | 10.1186/s12884-020-03445-2 |
2020-11-30 | Background Telemedicine has been a popular tool to overcome the lack of access to healthcare facilities, primarily in underprivileged populations. We aimed to describe and assess the implementation of a tele-electrocardiography (ECG) program in primary care settings in Indonesia, and subsequently examine the short- and... | Tele-ECG consulting and outcomes on primary care patients in a low-to-middle income population: the first experience from Makassar telemedicine program, Indonesia | 10.1186/s12875-020-01325-4 |
2020-11-30 | Background Babies born weighing ≥ 2500 g account for more than 80% of the births in most resource-limited locations and for nearly 50% of the 28-day neonatal deaths. In contrast, in high-resource settings, 28-day neonatal mortality among this group represents only a small fraction of the neonatal deaths. Yet mortality ... | Neonatal deaths in infants born weighing ≥ 2500 g in low and middle-income countries | 10.1186/s12978-020-01013-7 |
2020-11-23 | R134a was recognized as probably one of the most important refrigerants of the two past decades. Among the proposed alternative fluids, there are certainly isobutane (R600a) and R152a. This article presents about 200 new heat transfer coefficient and pressure drop data obtained during flow boiling of R152a and R600a in... | Flow boiling heat transfer capabilities of R134a low GWP substitutes inside a 4 mm id horizontal smooth tube: R600a and R152a | 10.1007/s00231-020-02991-x |
2020-11-23 | This study reports the performance analysis of an organic dye-sensitized solar cell (DSSC), introducing MnO 2 as an electron transport layer in TiO 2 /MnO 2 bilayer assembly. The DSSCs have been fabricated using TiO 2 and TiO 2 /MnO 2 layer-by-layer architecture films onto fluorine-doped tin oxide (FTO) glass and sensi... | Enhanced performance of dye-sensitized solar cell with thermally stable natural dye-assisted TiO2/MnO2 bilayer-assembled photoanode | 10.1007/s40243-020-00185-3 |
2020-11-23 | Background Although under-5 mortality has decreased in the last two decades, neonatal mortality remains a global health challenge. Despite achieving notable progress, Ethiopia has still one of the highest neonatal mortality rates worldwide. We aimed to assess the risk factors for mortality among neonates admitted to a ... | Risk factors for mortality among neonates admitted to a special care unit in a low-resource setting | 10.1186/s12884-020-03429-2 |
2020-11-23 | Moroccan high-grade phosphate has so far always been upgraded by reverse flotation. Within a major project to go back to the deposits considered as sterile or low grade, this preliminary study was conducted in a micro-flotation cell to find new routes for their beneficiation by direct flotation. Three collectors, alone... | Direct flotation of low-grade Moroccan phosphate ores: a preliminary micro-flotation study to develop new beneficiation routes | 10.1007/s12517-020-06279-6 |
2020-11-23 | Masson pine ( Pinus massoniana ) is primarily present within subtropical and tropical areas in China, and a number of these regions have a severe deficiency in inorganic phosphate (Pi). As a macronutrient, phosphorus plays a crucial role in plant development. Although several studies have documented the responses of ma... | Transcriptome analysis of low phosphate stress response in the roots of masson pine (Pinus massoniana) seedlings | 10.1007/s11738-020-03167-0 |
2020-11-23 | Background Epilepsy is characterized by the typical symptom of seizure, and anti-seizure medications are the main therapeutic method in clinical, but the effects of these therapy have not been satisfactory. To find a better treatment, it makes sense to further explore the regulatory mechanisms of seizures at genetic le... | Lrp4 in hippocampal astrocytes serves as a negative feedback factor in seizures | 10.1186/s13578-020-00498-w |
2020-11-23 | Background Pre-eclampsia is a pregnancy complication characterised by high blood pressure and multi-organ dysfunction in the mother. It is a leading contributor to maternal and perinatal mortality, with 99% of these deaths occurring in low- and middle-income countries (LMIC). Whilst clear guidelines exist for managemen... | Planned early delivery versus expectant management to reduce adverse pregnancy outcomes in pre-eclampsia in a low- and middle-income setting: study protocol for a randomised controlled trial (CRADLE-4 Trial) | 10.1186/s13063-020-04888-w |
2020-11-22 | This paper reports for the first time the possible formation of a novel room temperature therapeutic deep eutectic solvent (THEDES) of risperidone (RIS) with some fatty acids, namely capric acid (C10; CA), lauric acid (C12; LA), and myristic acid (C14; MA). All mixtures of RIS and MA yielded a solid or pasty-like solid... | A Novel Eutectic-Based Transdermal Delivery System for Risperidone | 10.1208/s12249-020-01844-4 |
2020-11-21 | Cubic bismuth zinc niobate (c-BZN) thick films were fabricated on flexible platinum foils by electrophoretic deposition technique. The X-ray diffraction studies reveal that the films are under tensile stress. The permittivity of the c-BZN thick film sintered at 850 and 950°C, measured at an applied frequency of 1 MHz w... | Electrophoretic deposition of Bi1.5Zn1.0Nb1.5O7 thick films on metal foils for flexible electronic devices | 10.1007/s12034-020-02253-w |
2020-11-20 | Background Dietary patterns low in glycemic load are associated with reduced risk of cardiometabolic diseases. Improvements in serum lipid concentrations may play a role in these observed associations. Objective We investigated how dietary patterns differing in glycemic load affect clinical lipid panel measures and pla... | Plasma lipidomic profiles after a low and high glycemic load dietary pattern in a randomized controlled crossover feeding study | 10.1007/s11306-020-01746-3 |
2020-11-20 | Background Due to its unique arrangement, the deep and superficial fibers of the multifidus may have differential roles for maintaining spine stabilization and lumbar posture; the superficial multifidus is responsible for lumbar extension and the deep multifidus for intersegmental stability. In patients with chronic lu... | Regional differences between superficial and deep lumbar multifidus in patients with chronic lumbar spine pathology | 10.1186/s12891-020-03791-4 |
2020-11-17 | Resuspension of road dust contributes to air quality issues with resulting health impacts. Limited studies imply that porous pavements can initially mitigate PM 10 emissions by acting as a dust trap, but the abrasion wear generates road dust and thus accelerates the clogging processes. In addition, knowledge regarding ... | Temporal Variation of Road Dust Load and Its Size Distribution—a Comparative Study of a Porous and a Dense Pavement | 10.1007/s11270-020-04923-1 |
2020-11-17 | Objective Low back pain (LBP) is one of the most disabling and costly conditions worldwide. It remains unclear why many individuals experience persistent and recurrent symptoms after an acute episode whereas others do not. A longitudinal cohort study was established to address this problem. We aimed to; (1) evaluate wh... | Cohort profile: why do people keep hurting their back? | 10.1186/s13104-020-05356-z |
2020-11-13 | Indigenous village chickens (IVCs) greatly contribute to food security and rural development. Consequently, IVCs cover incidental expenses, economically empower women, and support the livelihood of disadvantaged groups. Interestingly, ritual practices of traditional communities across the Global South utilise IVCs. IVC... | Indigenous village chicken production: a tool for poverty alleviation, the empowerment of women, and rural development | 10.1007/s11250-020-02433-0 |
2020-11-13 | Contourite deposits are recognized for the first time from the Lower Triassic Mirga Mir Formation in the Kurdistan region, Northern Iraq. The formation represents deposition on the southern passive margin of the Neo-Tethys during its early opening stages. The contourites are characterized by lenticular and sorted silts... | The sedimentology and sequence stratigraphy of contourites and associated rocks at the northeastern passive margin of Gondwana during the Early Triassic (Induan - Mirga Mir Formation), Iraqi Kurdistan | 10.1007/s12517-020-06207-8 |
2020-11-12 | The combination therapy based on multifunctional nanocomposites has been considered as a promising approach to improve cancer therapeutic efficacy. Herein, we report targeted multi-functional poly( N -isopropylacrylamide) (PNIPAM)-based nanocomposites for synergistic chemo-photothermal therapy toward breast cancer cell... | Near-Infrared Light-Triggered Thermo-responsive Poly(N-Isopropylacrylamide)-Pyrrole Nanocomposites for Chemo-photothermal Cancer Therapy | 10.1186/s11671-020-03444-4 |
2020-11-12 | Background Work-related musculoskeletal disorders (WMSDs) represent an important socio-economic burden. The current risk assessment and management involved in the ethiopathogenesis of WMSDs is based on observational tools and checklists, which have some limitations in terms of accuracy and reliability. The aim of this ... | Prevalence of work related musculoskeletal disorders in Italian workers: is there an underestimation of the related occupational risk factors? | 10.1186/s12891-020-03742-z |
2020-11-11 | The Grobgneis complex, located in the eastern Austroalpine unit of the Eastern Alps, exposes large volumes of pre-Alpine porphyric metagranites, sometimes associated with small gabbroic bodies. To better understand tectonic setting of the metagranites, we carried out detailed geochronological and geochemical investigat... | Widespread Permian granite magmatism in Lower Austroalpine units: significance for Permian rifting in the Eastern Alps | 10.1186/s00015-020-00371-5 |
2020-11-11 | Low-voltage-triggered silicon-controlled rectifier (LVTSCR) is expected to provide an electrostatic discharge (ESD) protection for a low-voltage integrated circuit. However, it is normally vulnerable to the latch-up effect due to its extremely low holding voltage. In this paper, a novel LVTSCR embedded with an extra p-... | Robust and Latch-Up-Immune LVTSCR Device with an Embedded PMOSFET for ESD Protection in a 28-nm CMOS Process | 10.1186/s11671-020-03437-3 |
2020-11-06 | Pyrite from outcrops of Late Ordovician–Early Silurian marine shales of the Sichuan Basin was studied in the laboratory setting. We characterized various occurrences of pyrite using optical microscopy, reflected light microscopy, X-ray analysis, scanning electron microscopy, and energy-dispersive analysis, and image an... | Statistical analysis and significance of pyrite in the Wufeng-Lower Longmaxi Shale Formation in South China | 10.1007/s12517-020-06190-0 |
2020-11-05 | Background Inflammatory response has been recognized as a pivotal pathophysiological process during cerebral ischemic stroke. NLRP3 inflammasome, involved in the regulation of inflammatory cascade, can simultaneously lead to GSDMD-executed pyroptosis in cerebral ischemia. Low-density lipoprotein receptor (LDLR), respon... | Low-density lipoprotein receptor (LDLR) regulates NLRP3-mediated neuronal pyroptosis following cerebral ischemia/reperfusion injury | 10.1186/s12974-020-01988-x |
2020-11-04 | The results of long-distance oil and gas pipeline failure analysis are important to the industry in order to maintain the reliability and safety of them. Seam welding in these pipes is done with good accuracy at place of work, while girth welding is carried out in the installation site and usually causes the main failu... | Fracture assessment of pipeline girth weld at low temperature | 10.1007/s40430-020-02696-6 |
2020-11-04 | Background The recent use of antenatal care (ANC) has steadily improved in low- and middle-income countries (LMIC), but postnatal care (PNC) has been widely underutilized. Most maternal and newborn deaths occur during the critical postnatal period, but PNC does not receive adequate attention or support, particularly in... | Postnatal care education in health facilities in Accra, Ghana: perspectives of mothers and providers | 10.1186/s12884-020-03365-1 |
2020-11-04 | The mechanical properties and permeability of shales after supercritical carbon dioxide (SC-CO 2 ) imbibition are vital to shale gas production and CO 2 sequestration in shale reservoirs. In this study, triaxial compressive strength tests, steady state permeability tests, and CT scanning tests are performed on shale sa... | Hydro-mechanical properties of a low-clay shale with supercritical CO2 imbibition | 10.1007/s40948-020-00200-x |
2020-11-03 | The voltage level converters (LCs) are required to attain optimized power consumption by interfacing two or more supply voltage domains in Systems-on-Chip (SoC) applications. The voltage level-up conversion can be easily and effectively achieved by the use of buffer structures. Hence this article proposes two buffer-ba... | Wide-range energy-efficient buffer-based voltage level-up converters for multi-supply voltage systems | 10.1007/s12046-020-01506-y |
2020-11-01 | Abstract The study explores the effect of helical rolling on the low-temperature impact toughness of pearlitic steel 09G2S. Helical rolling in two modes was performed at T = 850°C in six passes through rolls of varied diameters with air cooling (mode I) and water quenching (mode II). The tensile σ–ε curves at room temp... | Structural Turbulence of Pearlitic Steel 09G2S at
Low-Temperature Impact Toughness | 10.1134/S1029959920060120 |
2020-11-01 | CFRC based on alumina hydraulic binders are similar with respect to hardening mechanism to low-cement refractory concretes (LCRC) and ultralow cement concretes (ULCRC). They are characterized by significant strengthening in the heat treatment temperature range 200 – 300°C and severe weakening in the range 600 – 1000°C.... | Cement-Free Refractory Concretes. Part 5. Cement-Free Refractory Concretes Based on Hydraulic Alumina Binders | 10.1007/s11148-020-00489-x |
2020-11-01 | Abstract The paper presents the results of the long-term experiment on the solid-phase transformation of the Au–Pb metallic system which takes place at room and cryogenic temperatures. It is found that the solid-phase contact interactions between lead and gold lead to the formation of the Pb + AuPb 3 eutectoid. The mas... | Solid-Phase Low-Temperature Evolution of the Binary Pb–Au System: Via Contact Interactions to Intermetallic Compounds, through the Destructurization to a New Multielemental State | 10.1134/S1063783420110256 |
2020-11-01 | Abstract The review analyzes and generalizes literary data and the authors’ results demonstrating the principal difference in plant responses to low-temperature treatments of two different types: (1) long-term constant chilling and (2) short-term daily cooling (temperature drop). The literature indicating the specifici... | Plant Responses to a Daily Short-term Temperature Drop: Phenomenology and Mechanisms | 10.1134/S1021443720060187 |
2020-11-01 | for saving energy and protecting the environment, natural gas has been widely used in internal combustion engines, which makes the study on the ignition characteristics of natural gas/diesel mixtures important. In this work, the effects of trace methane addition on the ignition delay of n-heptane/air mixtures are numer... | Mechanism of Methane Addition Affects the Ignition Process of n-heptane under Dual Fuel Engine-Like Conditions | 10.1007/s11630-020-1260-z |
2020-11-01 | Abstract Impact flexure and indentation of metals is considered. A test bench for failure assessment is developed, for the example of steel 45 at low temperatures. In this method, acoustic emission pulses are classified; an artificial neural network is employed. The fractographic data for impact flexure correlate well ... | Assessment of the Low-Temperature Strength of Metals by Indentation with Analysis of Acoustic Emission | 10.3103/S1068798X20110106 |
2020-11-01 | Abstract The paper studies the effect of the temperature of helical rolling, which creates nanoscale mesoscopic structural states in lattice curvature zones, on the low-temperature impact toughness of Ti–6Al–4V alloy. The polymorphic transformation temperature T с = 950°C is shown to play the decisive role in this effe... | The Effect of Nanoscale Mesoscopic Structural States Associated
with Lattice Curvature on the Mechanical Behavior of Ti–6Al–4V
Alloy | 10.1134/S1029959920060016 |
2020-11-01 | An investigation has been conducted into the action of nonequilibrium low-temperature plasma of a high-frequency capacitive discharge in air at a pressure of 133.3 MPa upon the structure of brass and beryllium bronze. The absence of changes in the microstructure of alloys under the action of plasma was established usin... | Variation in the Stress State of Copper Alloys Under the Action of Cold Air Plasma | 10.1007/s10891-020-02263-9 |
2020-11-01 | Silicon (Si) is an aussichtsreich anode candidate for a new generation lithium-ion batteries on account of its enormous theoretical capacity. However, its progress is tremendously hindered due to the tremendous volumetric change causes structure instability and poor cycling stability during the charge/discharge cycle. ... | A Nanosilver Embedded Graphite-C Shell Coating on Large Size Micro Silicon Formed by Low Temperature Carbonizing with Ag+ Increased the Cross-Linking of Alginate as an Anode for LIBs | 10.1007/s12633-019-00365-5 |
2020-11-01 | A novel route is developed for regeneration of deactivated commercial NH 3 -SCR catalysts, which includes an initial in situ construction of anatase TiO 2 porous film, followed by loading of MnO x , CeO x , and Mn-Ce mixed oxides as active components. The regenerated catalysts present largely improved low-temperature d... | A novel regeneration method for deactivated commercial NH3-SCR catalysts with promoted low-temperature activities | 10.1007/s11356-020-10086-7 |
2020-11-01 | Abstract Maximum solid solubility is a key parameter for nuclear waste immobilization. In this study, the maximum solid solubility of AgI in B 2 O 3 –Bi 2 O 3 –ZnO based materials has been investigated at 500, 550, and 600 °C. XRD results show that maximum solid solubility of AgI is 1.97 wt% (iodine content is 1.1 wt%)... | Immobilization of iodine waste in B2O3–Bi2O3–ZnO based materials: maximum solid solubility | 10.1007/s10967-020-07428-7 |
2020-11-01 | Catalytic desulfurization is favored for its ability to desulfurize low concentrations of SO 2 by generating sulfur without the need for flue gas conditioning or additives. Maintaining reaction efficiency at a low temperature would justify the industrial scale use of this method. To that end, in this study, we modified... | Non-thermal plasma-enhanced low-temperature catalytic desulfurization of electrolytic aluminum flue gas by CuO-ZrSnO4: experimental and numerical analysis | 10.1007/s11356-020-09602-6 |
2020-11-01 | Cold atmospheric pressure plasma treatment is currently being explored as an alternative way to improve the germination and growing parameters of plant seeds. However, it is important to pay attention to the effect of plasma treatment on DNA damage of the seeds as well as detailed characteristics of plasma composition ... | Influence of Cold Atmospheric Pressure Plasma on Pea Seeds: DNA Damage of Seedlings and Optical Diagnostics of Plasma | 10.1007/s11090-020-10109-8 |
2020-11-01 | We present a two-dimensional tungsten disulfide (WS 2 )-based material as a reinforcement additive to produce thermally stable, mechanically strong, and light-weight epoxy (EP) composites. An aqueous melamine solution was used to exfoliate the bulk WS 2 into nanosheets while simultaneously functionalizing them to obtai... | Effective Reinforcement of Melamine-functionalized WS2 Nanosheets in Epoxy Nanocomposites at Low Loading via Enhanced Interfacial Interaction | 10.1007/s13233-020-8151-8 |
2020-11-01 | This article discusses the structure of 15Kh2MFA steel at various segments of welded joint without thermal treatment using low-carbon surfacing. Three areas are highlighted in the low-carbon surfacing differing in the content of chemical elements transferring from the base metal to the surfacing one as well as in the p... | Structure of Welded Joints of 15Kh2MFA Steel with Low Carbon Surfacing without Thermal Treatment | 10.1134/S2075113320060271 |
2020-11-01 | When lithium-ion batteries (LIBs) are located at high altitude and low pressure,the characteristics of thermal runaway (TR) and its propagation are different,such as time to TR, the toxicity of TR gases, TR propagation time, mass loss rate, etc. In this article, the author summarized a series of relevant literatures an... | Study on the Thermal Runaway and Its Propagation of Lithium-Ion Batteries Under Low Pressure | 10.1007/s10694-020-00963-5 |
2020-11-01 | Abstract The existence of taste and odour (T&O) in drinking water is one of the principal causes of consumer complaints and is commonly related to algae growth. Numerous studies have confirmed the existence of algal blooms emerging specifically in low-temperature periods, herein referred to as “cold algae”; these inclu... | Algae-induced taste and odour problems at low temperatures and the cold stress response hypothesis | 10.1007/s00253-020-10884-6 |
2020-11-01 | This study focuses on the microstructure and mechanical properties of the joints of Q235 mild steel, which was formed by the friction stir welding (FSW). The results indicated that, after the FSW, the heat-affected zone (HAZ) of the retreating side (HAZ RS ) and the HAZ of the advancing side (HAZ AS ) recovered under t... | Microstructure and Mechanical Properties of Low-Carbon Q235 Steel Welded Using Friction Stir Welding | 10.1007/s40195-020-01125-w |
2020-11-01 | The kinetics of hydrogenation of acrylonitrile butadiene rubber (NBR) latex by the action of diimide generated by hydrazine hydrate and hydrogen peroxide in the presence of copper sulfate at low temperature was studied by calculating the initial reaction rate constants. Altering reaction parameters of different reactan... | Kinetics of hydrogenation of acrylonitrile butadiene rubber: a latex-based in situ and low-temperature approach | 10.1007/s00396-020-04719-z |
2020-11-01 | Open-graded friction course (OGFC) asphalt mixture, usually used to construct porous pavements, represents one of the materials supporting low-impact development (LID) philosophy due to its use of coarse aggregate gradation. Using such mixtures brings several benefits related to safety, environment and economy. Alas, c... | Durability assessment of open-graded friction course using a sustainable polymer | 10.1007/s42947-020-6013-6 |
2020-11-01 | The Ossa-Morena Zone (OMZ) has a complex geological history including both Cadomian and Variscan orogenic events. Therefore, the OMZ plays an important role in understanding the geodynamic evolution of Iberia. However, the P–T–t evolution of the OMZ is poorly documented. Here, we combine structural and metamorphic anal... | U–Pb zircon geochronology and phase equilibria modelling of HP-LT rocks in the Ossa-Morena Zone, Portugal | 10.1007/s00531-020-01921-w |
2020-11-01 | The sub-200 cm −1 (sub-6 THz) vibrations of molecular crystals provide identifying features that are characteristic of each solid sample under study. These distinctive vibrational spectra have driven the development of new techniques and instrumentation in analytical spectroscopy. As terahertz time-domain spectroscopy ... | Crystalline Molecular Standards for Low-Frequency Vibrational Spectroscopies | 10.1007/s10762-020-00725-y |
2020-11-01 | Abstract— The modern state of the processes connected with design, calculation, and operation of heaters used in steam turbine regeneration systems is reviewed and analyzed on the basis of data available from domestically published and foreign sources. The existing methods for thermal–hydraulic, strength, and vibration... | State of the Art and Trends in the Design and Operation of High- and Low-Pressure Heaters for Steam Turbines at Thermal and Nuclear Power Plants in Russia and Abroad: Part 2. Heater Design and Operation Peculiarities | 10.1134/S0040601520110038 |
2020-11-01 | A graphene-based flexible filter was obtained via one-step laser heating of a polyimide film. The key parameters of a laser have been confirmed by comparing simulated results and experimental data. High-frequency components of input signals were filtered out effectively for different waveforms, such as sine, rectangula... | A Flexible Low-Pass Filter Based on Laser-Induced Graphene | 10.1007/s11664-020-08462-7 |
2020-11-01 | Abstract Despite cold stress is a critical environmental condition that influences the growth and development of bell pepper ( Capsicum annuum L.), the underlying molecular mechanism remains unclear. This study aimed to explore the genes associated with the low temperature stress response in bell pepper. Bell pepper ‘Z... | Transcriptome Analysis Reveals Candidate Genes Involved in Low Temperature Stress in Bell Pepper | 10.1134/S1021443720060084 |
2020-11-01 | Abstract It is shown that when exposed to low-temperature atmospheric pressure plasma (LTAPP) on a single-cell culture of Paramecium caudatum as a result of changes in the external conditions (ionic composition of the solution), the nature of the movement changes and the number of viable cells decreases. The viability ... | Influence of a Medium’s pH on Paramecium caudatum Cells under Exposure to the Low Temperature Atmospheric Pressure Plasma | 10.1134/S1990793120060202 |
2020-11-01 | The Louisiana Department of Transportation and Development (DOTD) and other state agencies are continuously looking for techniques to reduce roadway maintenance and construction costs. A common consideration is to introduce asphalt mixtures with a smaller nominal maximum aggregate size (NMAS) for utilization in roadway... | Development of a 4.75 mm asphalt mixture design for Implementation in Louisiana DOTD Specifications | 10.1007/s42947-020-6014-5 |
2020-11-01 | For nano-porous anodized aluminum oxide (AAO) template based low temperature solid oxide fuel cells (LT-SOFCs), anode structure has crucial effects on electrochemical characteristics because of triple phase boundary densities and electrical connectivity of metal catalysts on porous AAO substrates. In this study, we inv... | Effects of Microstructure of Ni Anode on Nanotemplate Based Low Temperature Solid Oxide Fuel Cells | 10.1007/s12541-019-00307-6 |
2020-11-01 | Results are provided for a study of the effect of different microalloying systems (Nb, Nb–V, V–N) on structure formation and mechanical properties of rolled product of strength class K52 produced by combined technology of melting, casting of thin slabs 90 mm thick, and direct rolling with subsequent accelerated cooling... | Study of the Effect of Microalloying on Microstructure and Mechanical Property Formation for Rolled Product of Strength Class K52 Produced Under CRU Conditions | 10.1007/s11015-020-01052-2 |
2020-11-01 | Abstract The specific features are presented of the two-stage synthesis of structured microsystems based on zinc-oxide nanorods by ultrasonic spray pyrolysis and the low-temperature hydrothermal method, with nucleation suppressed in the bulk of the solution. It is shown that the use of two-stage synthesis provides cont... | Two-Stage Synthesis of Structured Microsystems Based on Zinc-Oxide Nanorods by Ultrasonic Spray Pyrolysis and the Low-Temperature Hydrothermal Method | 10.1134/S1063782620110238 |
2020-11-01 | The impacts of a low temperature plasma treatment on wheat seed germination and field growth were investigated using a plasma system about the first generation (T 0 ), the second generation (T 1 ) and the third generation (T 2 ). Untreated wheat seeds were set as the control (CK). Plasma treatments of 80 W and 100 W we... | Effect of Low Temperature Plasma Treatment on Biological Characteristics and Yield Components of Wheat Seeds (Triticum aestivum L.) | 10.1007/s11090-020-10104-z |
2020-11-01 | Abstract The action of ozone in the low-temperature ozonization of coal tar from the semicoking of Shubarkol coal (Kazakhstan) is analyzed. Two mechanisms are possible: the electrophilic addition of ozone by π bonds to the molecules of unsaturated compounds; or radical-chain reactions with the formation of a broad spec... | Action of Ozone in the Low-Temperature Ozonization of Coal Tar | 10.3103/S1068364X20110034 |
2020-11-01 | Abstract Arabidopsis thaliana Heynh . (L.) plants of the Columbia ecotype (Col-0) and its ethylene-insensitive etr1-1 (ethylene resistant 1) and ein2-1 (ethylene insensitive 2) mutants were studied. The plants were compared in respect to their cold tolerance conferred by cold acclimation. The tolerance to negative temp... | The Difference in Low-Temperature Tolerance of Arabidopsis thaliana Plants and Its Ethylene-Insensitive Mutants Is Related to Activities of Antioxidant Enzymes | 10.1134/S1021443720050155 |
2020-11-01 | In this article, a Schmitt trigger based 12-Transistors(ST12T) static random-access memory (SRAM) bit-cell has been proposed. The Read Power of proposed cell is reduced by 29.17%/ 24.14% /7.66% /5.87% /7.67% /16.62% when compared to 6T/ 7T/ TA8T/ 9T/ PPN10T/ D2p11T SRAM cells. Proposed ST12T cell also shows 1.52 $$\tim... | A Schmitt-trigger based low read power 12T SRAM cell | 10.1007/s10470-020-01718-6 |
2020-11-01 | Photocatalytic CO 2 reduction is thought to be a promising strategy in mitigating the energy crisis and several other environmental problems. Hence, modifying or developing suitable semiconductors with high efficiency of photocatalytic CO 2 reduction property has become a topic of interest to scientists. In this study,... | Tungsten bronze Cs0.33WO3 nanorods modified by molybdenum for improved photocatalytic CO2 reduction directly from air | 10.1007/s40843-019-1263-1 |
2020-11-01 | Effects of low concentrations of pesticides, with no or moderate mortality of targeted species, are poorly studied even though these low concentrations are common under natural conditions. Studying their effects is critical because they can induce positive hormetic responses, possibly leading to greater pest multiplica... | Effects of low concentrations of deltamethrin are dependent on developmental stages and sexes in the pest moth Spodoptera littoralis | 10.1007/s11356-020-10181-9 |
2020-11-01 | Various methods have been suggested to realize freestanding or suspended graphene, which is expected to exhibit the intrinsic properties of graphene. However, in previously reported methods, multiple-step processes have been applied to produce freestanding graphene on a substrate. Here, we demonstrate that quasifreesta... | Large-scale Growth of Quasifreestanding Graphene by using a Single-step Process | 10.3938/jkps.77.768 |
2020-11-01 | Acute lymphoblastic leukaemia (ALL) affects lymphoblastic cells and is the most common neoplasm during childhood. Among the pharmaceuticals used in the treatment protocols for ALL, Asparaginase (ASNase) from Escherichia coli (EcAII) is an essential biodrug. Meanwhile, the use of EcAII in neoplastic treatments causes se... | Functional and structural evaluation of the antileukaemic enzyme l-asparaginase II expressed at low temperature by different Escherichia coli strains | 10.1007/s10529-020-02955-5 |
2020-11-01 | Abstract Due to sustainability issues, biodiesel must be produced from low-grade fats and the conventional homogeneously-catalyzed processes must be replaced by more efficient and more profitable production processes such as heterogeneous ones. Biodiesel (fatty acids methyl esters, FAME) was produced from a mixture (50... | Solvent Assisted Biodiesel Production by Co-processing Beef Tallow and Soybean Oil Over Calcium Catalysts | 10.1007/s12649-019-00903-7 |
2020-11-01 | Abstract—Low-alloy shipbuilding and pipeline steels are currently supplied after thermomechanical treatment, in which a ferrite–pearlite or ferrite–bainite structure depending on alloying is formed. During the thermomechanical treatment and then during cooling, a large number of defects are developed and recorded, whic... | Effect of Aging Regimes on the Fracture Mechanism of Low-Alloy Steels with Different Structures | 10.1134/S2075113320060180 |
2020-11-01 | The first part of this study presented low-cycle fatigue and cyclic fracture toughness test methods for 10GN2MFA steel at 20 and 270°C, experimental results to construct kinetic fatigue fracture diagrams and to determine low-cycle plastic strain and fracture characteristics. Here, those results are estimated as to the ... | A Study of Fatigue Crack Growth Rate in Steels in Relation to Crack-Tip Plastic Deformation and Fracture. Part 2. Parametric Relation between Fatigue Crack Growth and Plastic Strains | 10.1007/s11223-021-00244-8 |
2020-11-01 | We study a nonclassical thermal state by repeatedly operating the number operator on normal thermal state. Then, we investigate the nonclassical features of this state according to the P -function, photon-number distribution, Mandel’s Q -parameter, second-order correlation function and negative Wigner distribution as w... | Generating a Nonclassical Thermal State Via Number Operators | 10.1007/s10909-020-02509-z |
2020-11-01 | Abstract The effect of metal corrosion on the third-order microscopic properties, i.e., the root-mean-square deviation and internal residual stresses of the first-order, was studied. The corrosion process was studied on steel specimens under conditions of superheated steam (250°C) during 500 h. The X-ray diffraction me... | Microstructural Aspects of Corrosion | 10.1134/S1027451020060361 |
2020-11-01 | Ethylenediaminetetraacetic acid (EDTA) can serve as a washing agent in the remediation of low-permeability layers contaminated by heavy metals (HMs). Therefore, batch adsorption experiments, where pure quartz (SM1) and mineral mixtures (SM2) were used as typical soil minerals (SMs) in low-permeability layers, were impl... | Effects of EDTA on adsorption of Cd(II) and Pb(II) by soil minerals in low-permeability layers: batch experiments and microscopic characterization | 10.1007/s11356-020-10149-9 |
2020-11-01 | Abstract The corrosion inhibition property of the Uncaria gambir extract (UGE) for the low-carbon steel was investigated in a prepared cooling-water solution using gravimetric analysis and potentiodynamic polarization measurements. Anticorrosive effectiveness was tested at the UGE concentrations of 0–1500 ppm and tempe... | Effects of Concentration and Temperature on Corrosion and Scale Inhibitive Behavior of Uncaria gambir Extract for Low-Carbon Steel in Cooling-Water Solution | 10.3103/S1068375520060137 |
2020-11-01 | Background/objective This work applied a newly developed low-cost sensing (LCS) device (AS-LUNG-P) and a certified medical LCS device (Rooti RX) to assessing PM 2.5 impacts on heart rate variability (HRV) and determining important exposure sources, with less inconvenience to subjects. Methods Observations using AS-LUNG... | Panel study using novel sensing devices to assess associations of PM2.5 with heart rate variability and exposure sources | 10.1038/s41370-020-0254-y |
2020-11-01 | WSN can be a tech in-full development with top-notch, outstanding foreseeable future. The utilization of wireless sensor network (WSN) to get a good quality observation is consists using some range of detector nodes having a network capacity which might be set up for productive effects or to get constant monitoring fun... | Smart City Based Autonomous Water Quality Monitoring System Using WSN | 10.1007/s11277-020-07655-x |
2020-11-01 | Abstract In this study, a novel laboratory-scale synchronous enhanced biological phosphorus removal and semi-nitritation (termed as EBPR-SN) combined with anammox process was put forward for achieving nutrient elimination from municipal wastewater at 27 ℃. This process consisted of two 10 L sequencing batch reactors (S... | Advanced nitrogen and phosphorus removal from municipal wastewater via simultaneous enhanced biological phosphorus removal and semi-nitritation (EBPR-SN) combined with anammox | 10.1007/s00449-020-02392-8 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.