query stringlengths 8 1.13k | pos stringlengths 13 1.09k | neg stringlengths 11 1.07k | query_lang stringclasses 32
values | __index_level_0__ int64 41 1.05M |
|---|---|---|---|---|
Concise Pathway to New Multifunctionalized Constrained Pentacin Derivatives by Means of Two Stereospecific Tandem Reactions | Starting from Boc-activated diketopiperazines, original bicyclic derivatives of trans- and cis-2-aminocyclopentanecarboxylic acid were prepared by using two stereospecific tandem reactions. One of them is a tandem transannular rearrangement of activated lactams/alkylation process leading to the stereoselective synthesi... | In this paper, the authors identify the scalability bottlenecks of an unstructured grid CFD code (PETSc-FUN3D) by studying the impact of several algorithmic and architectural parameters and by examining different programming models. The authors discuss the basic performance characteristics of this PDE code with the hel... | eng_Latn | 40,545 |
Carbon-13 NMR assignments in 1,3-cyclohexadiene | Abstract Unambiguous 13 C-NMR assignments for the olefinic carbons of 1,3-cyclohexadiene (in CDCl 3 : δ C(1) = 126.02 ppm and δ C(2) = 124.30 ppm downfield from TMS) have been made by comparison with regioselectively synthesized 2-deuterio-1,3-cyclohexadiene (in CDCl 3 : δ C(1) = 125.88, δ C(3) = 124.22 and δ C(4) = 12... | This paper deals with the behaviour of hydrolyse d Polyacrylamide solutions in the presence of chromium III. First, using potentiometry and spectroscopy, we study the complexation between chromium III and sodium acetate used as a low molecular weight model for the polymer. Then the same methods are applied to investiga... | eng_Latn | 40,547 |
Conformational Effects on the Magnetic Properties of an Organic Diradical: A Computational Study | A theoretical study on the singlet triplet energy splitting in a m-phenylene bridged organic diradical has been performed using an original computational protocol developed in our group. The method is based on post Hatree–Fock calculations and has proven to provide accurate results with reasonable computational effort.... | A C 2 symmetrical chiral ligand derived from (R,R)-trans-1,2-diaminocyclohexane is highly effective in the symmetric cis-dihydroxylation of aromatic and aliphatic di- and trisubstituted olefins under stoichiometric conditions | eng_Latn | 40,581 |
Small-Ring Compounds. XXXX. The Structure and Properties of a Dimer of Triphenylfluorocyclobutadiene | The chemistry of the previously described substance, C_(44)H_(30)F_2 from the reaction of 1,1-difluoro-2,4-dichloro-3-phenylcyclobutene and phenyllithium is described. The physical and chemical data presented are best interpreted in terms of an anti-tricyclo[4.2.0.0] octadiene structure for the substance which could ar... | A novel aldehyde-bearing trithiocarbonate has been synthesized and reacted with carbon nanostructures with different dimensionalities (nanotubes, fullerenes, graphite). The decoration of these carbon nanostructures with trithiocarbonate moieties should provide a powerful tool for the design of advanced carbon nanofille... | eng_Latn | 40,589 |
A theoretical study of imine hydrocyanation catalyzed by halogen-bonding | A detailed theoretical study of the mechanism and energetics of an organocatalysis based on C=N activation by halogen-bonding is presented for the hydrocyanation of N-benzylidenemethylamine. The calculations at the level of scalar-relativistic gradient-corrected density functional theory give an insight in this catalyt... | This paper introduces the theories of cationic modification of linen and puts forward the optimal process conditions of cationic modification and dyeing of linen through orthogonal experiment and analysis. By comparing and analyzing the dyeing samples of the cationised linen and non-cationised linen, it also shows that... | eng_Latn | 40,594 |
1H NMR study of the solvent THF concerning their structural and dynamical properties in chemically Li-intercalated SWNT | Abstract Structural and dynamical properties of the THF solvent in single-walled carbon nanotubes intercalated with lithium are investigated by NMR. 1 H NMR experiments reveal the existence of two types of inequivalent THF solvent molecules with different chemical environments and dynamical behavior. At low temperature... | New synthetic approaches to the preparation of 2-(trifluoromethyl)indole and 2-amino-3-(trifluoromethyl)quinoline have been developed. In both cases, conditions of the Leimgruber-Batcho synthesis of indoles were used in the key step. | eng_Latn | 40,619 |
13C-NMR study of radical copolymers of (-)-menthyl methacrylate with trans-4-methacryloyloxyazobenzene | Abstract The 50.3 MHz 13 C-NMR of various free radical copolymers of (−)-menthyl methacrylate with trans -4-methacryloyloxyazobenzene was investigated in CDCl 3 solution at room temperature. The smooth variation of the chemical shifts of aromatic carbons with chemical composition points to a random distribution of the ... | Aryl groups bound to the meso positions of porphyrins often react with neighboring groups, in particular s-acyl groups to give highly diversified monomeric and dimeric new functionalized porphyrins. The products, whose meso-aryl ring approaches coplanarity with the porphyrin macrocycle, show large shifts of UV-visible ... | eng_Latn | 40,636 |
Enantioselective addition of selenosulfonates to α,β-unsaturated ketones | An organo-catalyzed enantioselective addition of selenosulfonates to α,β-unsaturated ketones was developed for the first time. With a chiral squaramide as an efficient catalyst, the desired α-selenylated ketones were obtained in a good yields with high enantioselectivity up to 89% ee, and good results could be obtained... | Abstract Asymmetric total synthesis of small ring macrolide stagonolide-E has been described in this communication. The main highlight of our synthetic strategy is the application of ME-DKR (metal enzyme combo dynamic kinetic resolution) reaction, asymmetric reduction with Noyori’s BINAL-H reagent system, stereoselecti... | eng_Latn | 40,658 |
A comparative study of the synthesis of C2-Symmetric chiral 2,2'-biaziridinyls | Two comparative synthetic routes to new enantiomeric C 2 -symmetric Boc-protected biaziridinyls from tartaric ester were studied. Simplicity, high enantiomeric purity and high chemical yield of the target compound characterize the proposed methods. Also, unprotected biaziridinyl was synthesized and fully characterized. | Abstract Solid-state 29Si NMR has been used to determine the principal values of the shielding tensors for organosilicon compounds, including cyclic silanes. Silicon atoms in three-membered rings show exceptionally large chemical shift anisotropies, similar to those of multiply-bonded Si atoms. Possible reasons for the... | eng_Latn | 40,662 |
list of foods to eat while recovering from diarrhea | A recent study showed that consumption of a probiotic drink containing L. casei, L. bulgaricus, and S. thermophilus can reduce the incidence of diarrhea (2). Foods such as yogurt, kefir, sauerkraut, tempeh (fermented) and miso (fermented soybean paste) provide probiotics. | Eating heavy meals after diarrhea puts stress on your digestive system, making it hard for your recovering stomach to process foods properly. 5 ⢠Be careful with what you eat or drink. The dietary chart below will give you a better picture of the foods and beverages that can affect your condition: 6,7,8,9,10,11 | eng_Latn | 40,813 |
what's a natural remedy for constipation | Castor oil is a yellowish liquid that can be used as a home remedy for constipation because of its laxative property. One study in Nigeria found that oral castor oil helped children with chronic constipation to move their bowels. An upside to castor oil for constipation is that it works quickly. | Prunes and plums are the best fruit choices to relieve constipation. Sooner or later, it happens to most everyone â constipation. If you're looking for a natural alternative to taking a medicinal laxative, certain kinds of fruit can often relieve constipation by virtue of their fiber and sugar content. | eng_Latn | 40,814 |
how many cherries should you eat a day | 10-12 Cherries a Day Can Reduce Gout Attack Risk. In a study of over 600 people with gout, those who ate a ½-cup serving of cherries a day, the equivalent of about 10 or 12 cherries, or consumed cherry extract, had a 35 percent lower risk of a subsequent gout attack. | 1 doctor agreed: 1 In excess: Interestingly, if you eat cherries in excess you could develop either diarrhea or constipation. 2 Cherrys: If you pig out on cherries you can develop diarrhea from the sugars present in the cherries. 3 Not usually: But that depends upon how many you eat. | eng_Latn | 40,867 |
dangers of prune juice | Potential Problems with Prunes and Prune Juice. In a study that included three people experiencing chronic diarrhea, the culprit was found to be eating prunes and drinking prune juice on a daily basis in two of the cases. Too much âpruning,â it seems, can be a bad thing. Rather than consume prunes or prune | Even though you are making them home, juice should still only be served to your child on a sporadic basis. Remember, while prune juice is safe for your baby after six months of age, it is best to limit your childâs intake to 4 to 6 ounces per day. Water, breast milk and formula are all your child needs to consume for... | eng_Latn | 40,940 |
is apple juice good for constipation | Barley or oatmeal cereals, prunes, peaches, plums, apricots and most vegetables are preferred when baby has constipation. Juices are helpful, especially apple or prune, but use in moderation, as they are not as nutritious for babies as formula or breast milk. | Plums as good as fiber supplements for constipation: study. 1 Plum juice is as effective in boosting digestive health as fiber supplements among those with chronic constipation, according to a peer-reviewed study partly funded by leading North American plum juice maker, SunSweet Growers. 2 Related news: | eng_Latn | 40,966 |
why does dogs eat grass | Other suggested reasons why your dog might be eating grass include improving digestion, treating intestinal worms, or fulfilling some unmet nutritional need, including the need for fiber. One published study reports on a miniature poodle that ate grass and then vomited every day for seven years.ne small-scale study of ... | A dog's desire to eat nonfood items is called pica. Dogs eat grass and leaves as an aid in digestion, for extra fiber, or in young dogs, out of boredom.Canine ancestors eat grass, berries and just about anything they can find to snack on in the wild.Eating grass and leaves may be a trait remaining from the pack instinc... | eng_Latn | 40,998 |
Based on the experience and research of the authors, all of whom are management consultants, this book deals with the personal traits and financial and external aspects of entrepreneurs. The text is directed at practising managers, would-be entrepreneurs and management advisors. | This paper presents a summary of research on entrepreneurs and discusses the trends in the development of the field. It begins by introducing the pioneers of the domain, Cantillon, Say and Schumpeter. The contribution of economists such as Knight, Hayek, Penrose, Kirzner and Casson are mentioned. A second section prese... | Slogans such as “no future” have frequently been used recently to describe the unattractive situation of adolescents who are faced with enormous economic, social, and political problems and insecurities. It should be interesting to study how adolescents themselves anticipate and evaluate their future and which variatio... | eng_Latn | 41,015 |
What is the importance of studying human development? | What is meant by the study of human developement? | Why biology is uninterrsting science to study? | eng_Latn | 41,031 |
Is a person's brain fully developed by the time they reach puberty? | The human brain is not fully developed by the time a person reaches puberty. Between the ages of 10 and 25, the brain undergoes changes that have important implications for behavior (see Cognitive development below). The brain reaches 90% of its adult size by the time a person is six years of age. Thus, the brain does ... | According to a study done by Helmut Fend (who had always been a fierce proponent of comprehensive schools) revealed that comprehensive schools do not help working class students. He compared alumni of the tripartite system to alumni of comprehensive schools. While working class alumni of comprehensive schools were awar... | eng_Latn | 41,065 |
Maturation of the adolescent brain | The Adolescent Brain | Brain development during childhood and adolescence: a longitudinal MRI study | eng_Latn | 41,089 |
at what age is the human brain fully formed | Brain diagram. Credit: dwp.gov.uk. (PhysOrg.com) -- New research from the UK shows the brain continues to develop after childhood and puberty, and is not fully developed until people are well into their 30s and 40s. The findings contradict current theories that the brain matures much earlier. | Although the brain reaches its full adult weight by the age of 21, it continues to develop for several years. In fact, a study done by the National Institutes of Health found that the region of brain that inhibits risky behavior does not fully form until age 25. This is the final stage of brain development. | eng_Latn | 41,109 |
definition of childhood developmental psychology | What are you looking for? Child psychology. Child psychology, also called child development, the study of the psychological processes of children and, specifically, how these processes differ from those of adults, how they develop from birth to the end of adolescence, and how and why they differ from one child to the n... | Child Psychology, often referred to as Child Development, examines the psychological aspects that occur during childhood (from birth to puberty). An incredible number of changes occur during childhood, especially during infancy, which lasts from birth to age two. In particular, there are massive advances in physical, c... | eng_Latn | 41,111 |
psychology definition of longitudinal design | A longitudinal design is a research study where a sample of the population is studied at intervals to examine the effects of development. In a longitudinal design, you have a group of people and you study something about them. Then you collect their contact information. After a set amount of time-be it weeks, months or... | Sociological Research: Designs, Methods. 1 Crossâsectional, in which scientists study a number of individuals of different ages who have the same trait or characteristic of interest at a single time. 2 Longitudinal, in which scientists study the same individuals or society repeatedly over a specified period of time... | eng_Latn | 41,117 |
what is the preoperational stage of children | The second stage of Piagetâs development is the preoperational stage that occurs between 2 to 7 years (Jean Piagetâs Stage Theories, n.d.). The end of the first stage has inscribed object permanence in the childâs mind. In the second stage, the child learns to think symbolically, being able to use symbols in his ... | In studying the cognitive development of children and adolescents, Piaget identified four major stages: sensorimotor, preoperational, concrete operational and formal operational. Piaget believed all children pass through these phases to advance to the next level of cognitive development. In each stage, children demonst... | eng_Latn | 41,123 |
which limitation in preoperational thought reemerges during adolescence? | Although most of the research completed on the study of egocentrism is primarily focused on early childhood development, it has been found to also occur during adolescence. David Elkind was one of the first to discover the presence of egocentrism in adolescence and late adolescence. | Piaget referred to the cognitive development occurring between ages 2 and 7 as the preoperational stage. In this stage, children increase their use of language and other symbols, their imitation of adult behaviors, and their play. Young children develop a fascination with wordsâboth good and bad language. | eng_Latn | 41,134 |
what piaget did for psychology | Psychology Today. Piagetâs Missing Cognitive Stage. The Swiss psychologist Jean Piaget was a most prolific renaissance man, publishing in biology, psychology, morality, language and philosophy. His lasting legacy has been his identification and definition of stages in childrenâs thinking. | Piaget was the first psychologist to make a systematic study of children's cognitive development. Piaget's theory included four distinct stages of development: The sensorimotor stage, from birth to age 2. The preoperational stage, from age 2 to about age 7. The concrete operational stage, from age 7 to 11, and.... | eng_Latn | 41,136 |
adolescent who definition | Defining terms. The World Health Organization (WHO) defines adolescents as those people between 10 and 19 years of age. The great majority of adolescents are, therefore, included in the age-based definition of âchildâ, adopted by the Convention on the Rights of the Child,4 as a person under the age of 18 years. | Adolescent Psychology: field of psychology concerned with the normal and abnormal behavior of adolescents. It includes mental processes as well as observable responses. (MeSH) Includes developmental psychology research focusing on the adolescent years.iological Psychology: the study of the interrelationships of the bio... | eng_Latn | 41,152 |
Atomistic properties of helium in hcp titanium: A first-principles study | Surface Modifications Induced by High Fluxes of Low Energy Helium Ions | High-speed running performance is largely unaffected by hypoxic reductions in aerobic power | eng_Latn | 41,193 |
Manganese minerals are widely distributed throughout the globe. The most important industrial uses of Mn are in the manufacture of steel, non-ferrous alloys, carbon-zinc batteries and some chemical reagents. Microbial recovery of manganese from low grade manganese ores using bioleaching was investigated in this paper. ... | A systematic study has been made to establish the reaction mechanism of bioleaching of manganese ore with the manganese reducing fungi, Penicillium citrinum, isolated from the top soil of an active manganese ore mine site. The fungi was utilised for dissolution of manganese from the low grade manganiferous ore. Leachin... | Berzelius failed to make use of Faraday's electrochemical laws in his laborious determination of equivalent weights. | eng_Latn | 41,199 |
Cu-doped TiO2 systems with improved photocatalytic activity | The effects of copper doping on photocatalytic activity at (101) planes of anatase TiO2: A theoretical study | The effects of copper doping on photocatalytic activity at (101) planes of anatase TiO2: A theoretical study | eng_Latn | 41,244 |
Template-free hydrothermal synthesis of Gd 2 O 2 SO 4 :Eu 3+ hollow spheres based on urea-ammonium sulfate (UAS) system | A Facile Co-Precipitation Synthesis and Luminescence Properties of Red-Emitting La2O2SO4: x%Eu3+ Nanophosphors | Computational study of the thermal decomposition and the thermochemistry of allyl ethers and allyl sulfides | eng_Latn | 41,245 |
Density-functional study of structural and electronic properties of bimetallic Cu-Ni clusters | The DMol method based on density functional theory has been employed to study the structural stability and electronic structure of Cu-Ni clusters.The ground states have been found out for CunNim(3≤n+m≤6) clusters.The computational results show that the binding energy, the symmetry,the bond length,the energy difference ... | Novel nanocube-aggregated cauliflower-like copper hierarchical 3D nanostructures were successfully synthesized by a facile electroless deposition method. The formation and evolution can be attributed to the synergic effect of aggregation and ripening mechanisms. Moreover, such nanostructures exhibit electrocatalytic ac... | eng_Latn | 41,395 |
Transition Metal‐Free Regioselective C‐3 Amidation of Indoles with N‐Fluorobenzenesulfonimide. | A direct transition metal-free regioselective C-3 amidation of electron-deficient indoles is developed with commercially available N-fluorobenzenesulfonimide (NFSI) as the nitrogen source. | In this paper, a modeling and simulation method for planar interdigitated ruthenium oxide MEMS supercapacitor was proposed based on the electrochemical reaction mechanism of supercapacitor. The study simulated the planar interdigitated ruthenium oxide MEMS super capacitor using Comsol software. The highly accurate char... | eng_Latn | 41,396 |
Indium Segregation Kinetics in MOVPE of InGaN-Based Heterostructures | General trends in In surface segregation during MOVPE of InGaN-based heterostructures are considered in terms of a rate-equation model. A parametric study of segregation effects is carried out with reference to a single GaN/InGaN/GaN quantum well. The theoretical predictions are compared with available observations. | This paper contrasts normal biochemistry reaction with MUG - Indole quick - examination in the suspicious strain of E. coli. The result shows: the biochemistry reaction of this strain conforms with national stardard in the normal examing times, and this strain is non - typical E. coli, but if citrate utilization time i... | eng_Latn | 41,403 |
X-ray study of crystal structure and pressure dependence of the Néel temperature of the GdRh2Si2 and TbRh2Si2 compounds | Abstract Powder X-ray diffraction measurements on intermetallic compounds RERh 2 Si 2 ( RE = Gd , Tb ) have been made in the temperature range of 78 to 300K. Below T N both samples show significant volume expansion with the coefficient δV V being as large as 5.54·10 -4 and 6.2·10 -4 for RE = Gd , Tb , respectively. The... | Equations have been developed for describing the isotherms of extraction of rare-earth metal(III) [REM(III)] nitrates from aqueous concentrated solutions by 100% diisoamyl methylphosphonate, taking into account the variation of activity coefficients of components in the organic phase when its composition is varied with... | eng_Latn | 41,404 |
Rotational and Vibrational Temperatures of Atmospheric Double Arc Argon–Nitrogen Plasma | The spectroscopic technique is employed to study the emission of atmospheric argon–nitrogen plasma jet generated by an original dc double anode plasma torch. The molecular bands of the N2+ first negative system are observed at the torch exit and chosen to evaluate the rotational and vibrational temperatures in comparis... | Equations have been developed for describing the isotherms of extraction of rare-earth metal(III) [REM(III)] nitrates from aqueous concentrated solutions by 100% diisoamyl methylphosphonate, taking into account the variation of activity coefficients of components in the organic phase when its composition is varied with... | eng_Latn | 41,437 |
Vanadium phosphorus oxide modified by silver doping: A highly effective catalyst for allylic oxidation of cycloolefins | Abstract Allylic oxidation of cycloolefins was carried out over Ag-VPO catalyst using tert-butyl hydroperoxide (TBHP) as oxidant in argon atmosphere, under our reaction conditions, attack of the activated C–H bonds was preferred instead of the epoxidation of C=C bond and corresponding α, β-enones were obtained as the m... | A qualitative study on the performance of cylindrical vacuum photodiodes (VPDs) for x-ray detection in plasma focus device has been carried out. Various parameters of VPD such as electrode's diameter, electrode's separation, and its sensitivity are experimentally tested in plasma focus environment. For the first time i... | eng_Latn | 41,444 |
Highly vibrationally excited CO generated in a low-temperature chemical reaction between carbon vapor and molecular oxygen | Abstract A chemical flow reactor is used to study the vibrational population distribution of CO produced by a reaction between carbon vapor generated in an arc discharge and molecular oxygen. The results demonstrate formation of highly vibrationally excited CO, up to vibrational level v = 14, at low temperatures, T = 4... | The present invention relates to a cathode electrode comprising at least one support member. At least one active material to the support have been applied or deposited, the active material is lithium manganese oxide of spinel structure with consisting spinel structure lithium nickel-manganese-cobalt composite oxide is ... | eng_Latn | 41,462 |
Regioselective N-alkylation of 2-aminobenzylamine via chelation to 9-BBN | Abstract A selective synthesis of 2-amino- N -alkylbenzylamines by direct mono alkylation of 2-aminobenzylamine is achieved by a potassium tert -butoxide/alkyl halide treatment of a 9-BBN amine-aminoborane chelate. | In the present study the catalytic steam gasification of biomass to produce hydrogen-rich gas with calcined dolomite and Nano-NiO/γ-Al2O3 as catalyst in an externally heated fixed bed reactor was investigated. Used the Nano-NiO/γ-Al2O3 as the catalyst, the highest H2 content was up to 57.82 mol%. | eng_Latn | 41,505 |
The Complex of PASP and Tungstate as Inhibitors of Cupronickel B10′s Corrosion in 3% NaCl Solution | AC impedance and polarization curve measurements were conducted to study the effects of environ-ment-friendly inhibitors PASP,Na_(2)WO_(4)and their complexes on the corrosion of cupronickel B10 in 3%NaCl solution.The results indicate that PASP or Na_(2)WO_(4)alone does inhibit the corrosion of B10,and most effectivecon... | Abstract In this report, micromagnetic simulations of magnetization dynamics driven by spin-polarized currents (SPCs) on magnetic nanopillars of permalloy/Cu/permalloy with different rectangular cross-sections are presented. Complete dynamical stability diagrams from initial parallel and antiparallel states have been c... | eng_Latn | 41,515 |
Production practice of sodium citrate process for desulphurization of abnormally emitted off-gas | Production practice of sodium citrate process for desulphurization of abnormally emitted off-gas is described.Process condition and flow were determined and the largest scale sodium citrate desulphurization plant in China was constructed based on pilot and industrial experiments.In order to ensure regulatory compliance... | The electronic structure and nature of chemical bonding in orthorhombic Si2N2O with substitution impurities (all 3d-atoms) in the cation sublattice have been investigated by the self-consistent ab initio discrete variation method. Consistent changes in the energy structure, interatomic interaction parameters, effective... | eng_Latn | 41,526 |
Temperature dependence of the field induced magnetic form factor of the intermediate valence compound CePd3 | Polarized neutron scattering techniques have been used to obtain information regarding the ground state electronic properties of the intermediate valence compound CePd3. The spatial distribution of the magnetization induced by a magnetic field of 42.5 kG in a single crystal of CePd3 has been studied at 100 and 4.2 K. W... | Finding environmentally gentle methods to graft Lewis acid on the surface of mesoporous materials is a topic of current interest. Herein we describe the optimization of a preparation procedure of a mesoporous silica-supported ErIII catalyst using the microwave-assisted post-calcination functionalization of Mobil Compos... | eng_Latn | 41,551 |
D.C. conductivity versus temperature of a metallic complex of (CH)x with potassium | Abstract We have measured the electrical conductivity σ of heavily K-doped cis -(CH) x as a function of temperature between 300 K and 4.2 K. A semiconductor-like behaviour of σ is observed and the attempt to explain our data led us to examine a conduction model involving tunnelling between potential barriers. Two activ... | Finding environmentally gentle methods to graft Lewis acid on the surface of mesoporous materials is a topic of current interest. Herein we describe the optimization of a preparation procedure of a mesoporous silica-supported ErIII catalyst using the microwave-assisted post-calcination functionalization of Mobil Compos... | eng_Latn | 41,555 |
XAFS studies on the supported Ni catalysts prepared from Ni colloids | Introduction It is well known that Ni catalysts are very useful for many catalytic reactions. But the size of Ni particles on catalyst is typically 20-100 nm and the preparing the smaller Ni particles on the support is desired. Colloidal metal particles have been expected as a superior catalyst precursor for supported ... | A mathematical model is developed for simulating the formation and growth of phases in the diffusion of aluminum through the nickel matrix of high-temperature alloys. The kinetic laws of diffusion processes in multiphase coatings deposited from a gaseous phase by the method of circulation are determined. The suggested ... | eng_Latn | 41,564 |
Numerical investigation of a three-mirror resonator for a TE CO(2) laser. | A numerical model of a three-mirror resonator for a TE CO2 laser was developed. This model was used to determine if a three-mirror resonator with an etalon could be used to ensure tunable single-mode action on the lower gain lines of CO2. Single-mode pulse energies were also predicted and good agreement was found with ... | Finding environmentally gentle methods to graft Lewis acid on the surface of mesoporous materials is a topic of current interest. Herein we describe the optimization of a preparation procedure of a mesoporous silica-supported ErIII catalyst using the microwave-assisted post-calcination functionalization of Mobil Compos... | eng_Latn | 41,569 |
Effects of raw materials on NaNbO3 nanocube synthesis via the solvothermal method | ABSTRACTA nanocube is a single nanoscale crystal with a cubic shape. Raw materials are an important factor in determining the synthesis of nanocubes. In this study, we investigated various niobium ... | Most chemical reactions must be finished in a certain temperature range and time frame,especially for some synthesize reactions of organic compound.If the reaction temperature or time is out of control,the side reaction will take more percentage,thereby the productivity is lower.Therefore,the author use the microwave h... | eng_Latn | 41,575 |
[Thyrotoxicosis due to long-term therapy with interferon alpha in the patient with mixed chronic active hepatitis B and C]. | The authors describe a case report of 48-year-old woman treated with Interferon alpha for the chronic active hepatitis B and C. During this therapy thyrotoxicosis occurred. It disappeared after the withdrawal of Interferon alpha and administration of strumigens. Immediately after stopping of the administration of Inter... | Abstract A new kinetic approach is presented to study the mechanism of the catalytic reaction of the hydrogenation of carbon monoxide on Fe–Co–Mn catalyst prepared by wet impregnation method over MgO support. The experimental data obtained by a fixed bed reactor are used for calculating the apparent activity energy of ... | eng_Latn | 41,606 |
A study on wastewater minimization in indirect electrochemical synthesis of benzaldehyde | Development of methods of pollution prevention is a strategic orientation for environmental protection. This paper describes studies on waste minimization in benzaldehyde production by using indirect electrochemical oxidation of toluene instead of the seriously polluting traditional chemical process. The new technology... | ANAND viscoplastic constitutive equation was introduced into the FE model for calculation of the reduction of welding residual stresses during the post weld heat treatment. The results show that ANAND equation could model the mechanical behavior under high temperature conditions. The residual stresses σ y was reduced a... | eng_Latn | 41,617 |
Clarification of nitridation effect on oxide formation methods | The electrical characteristics of gate dielectrics have been intensively studied. We examined four types of gate dielectrics: thermal oxide films formed in a pyrogenic steam ambient, those in a dry oxygen ambient, chemical vapor deposition (CVD) oxide films, and the thermal/CVD stacked oxide films. The effects of nitri... | Abstract This study demonstrates a simple route for synthesis of nanocrystalline N-doped titania by calcination of acidified TiCl 3 in presence of urea and oxalic acid. While urea was used as a source of nitrogen, oxalic acid was found to be crucial in controlling the phase, porosity as well as the N content. Both the ... | eng_Latn | 41,620 |
Decomposition of α-chloro-oximes in dimethyl sulphoxide | Abstract : The function of dimethyl sulfoxide (DMSO) as both an electrophilic and nucleophilic reagent has been well established. However, its reactions with substrates which are similarly biphilic have attracted little comment, even though they are of potential mechanistic and preparative interest. Discussed are the m... | A spectroscopic method to determine in-cylinder flame temperature and soot concentration was combined with in-cylinder NOx-modelling to study the influence of operating conditions and combustion system parameters on the formation of soot and NOx in a low-emission single- cylinder direct-injection diesel engine. Fuel co... | eng_Latn | 41,652 |
GRAPHICAL METHOD FOR OPTIMIZATION OF CESIUM-SURFACE IONIZER MATERIALS | A graphical method is proposed for the optimization of cesium ionizer material, structure, and operating point. Proper selection of the ionizer material, its structure and work function, and the design point optimizes the propellantutilization efficiency, power efficiency, and, to some extent, life of the cesium-ion en... | Single crystals of tin iodide (SnI2) have been grown in silica gels. A detailed microtopographical study of {100} faces have been described. Horizontal striations are predominant on these faces for most of the crystals, while few of them show vertical striations. The horizontal striations are associated with the two-di... | yue_Hant | 41,662 |
Refractory hypokalemia during barbiturate coma therapy used for treating refractory intracranial hypertension in traumatic brain injury | Barbiturate coma therapy (BCT) is a choice treatment for refractory intracranial hypertension after all surgical or medical managements have failed to control the intracranial pressure (ICP). It helps to reduce cerebral blood flow, cerebral metabolic rate of oxygen consumption and ICP. However, this therapy can also ca... | Abstract A new kinetic approach is presented to study the mechanism of the catalytic reaction of the hydrogenation of carbon monoxide on Fe–Co–Mn catalyst prepared by wet impregnation method over MgO support. The experimental data obtained by a fixed bed reactor are used for calculating the apparent activity energy of ... | eng_Latn | 41,685 |
From Static to Reacting Systems on Transition-Metal Surfaces | Comprehensive density functional studies provide important insights into details of reaction mechanisms on surfaces that would be very hard to obtain experimentally. This chapter presents a critical comparison of experimental and theoretical achievements in mechanistic descriptions of the following surface reactions (1... | A study was made of the fully developed homogeneous flow of a two-temperature partially ionized plasma in the channel of a disc-type Hall generator. Experiments with a disc-type generator are described in [1, 2]. In a simplified statement, the problem is analogous to that considered in [3]. The present article takes th... | eng_Latn | 41,691 |
17O solid-state NMR studies of oxygen-containing catalysts | Abstract Oxygen-containing catalysts have a broad range of applications, and it is important to understand the structure–property relationships of these materials. In the past 30 years, 17O NMR spectroscopy, which is sensitive to the local structure of oxygen, has been used to study various catalysts, including non-fra... | The lattice parameters in optical damage resistant crystal LiNbO3-In were measured for the first time using the X-ray powder method with an internal standard, which provides a high accuracy of the results. The lattice parameters vs. In concentration were obtained in the concentration range from 0.24 to 3.2 at % In in t... | eng_Latn | 41,723 |
On the Relationship between the International Criminal Court's Jurisdiction and the Security Council's Authority | The establishment of the standing International Criminal Court involves many issues of international law, among which the relationship between the International Criminal Court's jurisdiction and the Security Council's authority has become one of the most controversial issues among scholars and different nations. If the... | markdownabstractThe main question addressed in this study is: ::: _How has the concept of EU citizenship influenced the legal autonomy of Member States; most notably in the field of direct taxation and are the implications of that influence on the tax autonomy of Member States acceptable?_ | eng_Latn | 41,787 |
External Dimension of the European Union Environmental Policy- Selected Legal Issues | Most environmental problems have a transboundary nature and often a global scope, and they can only be addressed effectively through international cooperation. For this reason, the Lisbon Treaty establishes that one of the key objectives of the European Union (EU) policy on the environment is to promote measures at an ... | New challenges for managing sustainable tourism in protected areas : an exploratory study from a landscape perspective in Sweden | eng_Latn | 41,792 |
Recent Development,Shortages and Implication of EU Environmental Law | As the global challenge,environmental problem and protection do not rely too much on economic and political regimes.Countries tend to learn from each other.European Union embraces a most developed environmental legal system around the world;hence it inevitably becomes an object of reference and transplant within the co... | This thesis project is a continuation of a project that was previously done at KTHenvironmental management course during Fall 2006 semester at Veidekke to identify the deficit and the flaws of the ... | eng_Latn | 41,794 |
The Employment Title in the Amsterdam Treaty: A Multi-Language Legal Discourse | A system of acoustic echo ranging for the measurement of bearing and range to an underwater object which is in motion toward or away from the detection system located at a selected position. A signal design which results in a very high ability to select only the moving objects and reject any signals which return from t... | markdownabstractThe main question addressed in this study is: ::: _How has the concept of EU citizenship influenced the legal autonomy of Member States; most notably in the field of direct taxation and are the implications of that influence on the tax autonomy of Member States acceptable?_ | eng_Latn | 41,797 |
Eu Citizenship and Direct Taxation | markdownabstractThe main question addressed in this study is: ::: _How has the concept of EU citizenship influenced the legal autonomy of Member States; most notably in the field of direct taxation and are the implications of that influence on the tax autonomy of Member States acceptable?_ | On 14 May 2014, the General Court (GC) issued its judgment dismissing an appeal brought by Reagens against a Commission decision of 11 November 2009 fining 24 companies over € 173 million for… | eng_Latn | 41,803 |
EU court blocks cheap online alcohol, tobacco sales | The European Court of Justice has rejected a legal bid to allow online European shoppers to purchase cheap cigarettes and alcohol anywhere throughout the EU. | A minister hails progress on e-commerce after a study suggests UK firms are the third most sophisticated users of IT. | eng_Latn | 41,805 |
Europeans 'ignorant' of EU treaty | One in 10 Europeans knows nothing about the new EU constitution, a study suggests. | Docile Brits too ready to accept Big Brother surveillance | yue_Hant | 42,010 |
Deep High Dynamic Range Imaging with Large Foreground Motions | Unpaired Image-to-Image Translation Using Cycle-Consistent Adversarial Networks | An ecological study of determinants of coronary heart disease rates: a comparison of Czech, Bavarian and Israeli men | eng_Latn | 42,346 |
Neural Relation Extraction with Selective Attention over Instances | Distant Supervision for Relation Extraction via Piecewise Convolutional Neural Networks | 3 D structure from visual motion 2011 / 2012 Project Assignment Kinfu – an open source implementation of Kinect Fusion + case study : implementing a 3 D scanner with PCL | eng_Latn | 42,371 |
Vehicle detection with sub-class training using R-CNN for the UA-DETRAC benchmark | A large-scale car dataset for fine-grained categorization and verification | evaluation of a virtual reality - based memory training programme for hong kong chinese older adults with questionable dementia : a pilot study . | eng_Latn | 42,471 |
what materials can be ivd coated | IVD Aluminum on Heat and Corrosion Resistant Alloys: Provides the same benefits as with steel, plus oxidation resistance at high temperature as-deposited, and significantly higher after high-temperature diffusion. The coating may be deposited directly on the substrate without special preparation such as nickel strike. | What is IVD? IVD stands for âinteractive virtual dissectionâ â a unique technology developed by Dr. Antonio Bernardo that allows a trainee to study and practice a transpetrosal approach or other cranial base surgical technique in a 3D simulation. | eng_Latn | 42,657 |
When is it damaging? | Hydrogen is highly soluble in many rare earth and transition metals and is soluble in both nanocrystalline and amorphous metals. Hydrogen solubility in metals is influenced by local distortions or impurities in the crystal lattice. These properties may be useful when hydrogen is purified by passage through hot palladiu... | According to a study done by Helmut Fend (who had always been a fierce proponent of comprehensive schools) revealed that comprehensive schools do not help working class students. He compared alumni of the tripartite system to alumni of comprehensive schools. While working class alumni of comprehensive schools were awar... | eng_Latn | 42,799 |
Term describing materials like silicon, halfway between an insulator & a conductor | Conductors/insulators/semiconductors Flashcards | Quizlet Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... Materials that have conductivity properties about halfway between good conductors and good ... Silicon and germanium are useful in electronic devices like. | Chrome Plating: Introduction & FAQs - Finishing Hard chrome plating is almost always applied to items that are made of steel, usually ... the brilliant leveled nickel undercoating, you would not have a rust-resistant, ... "Barrier Layer" Coatings and Why Quality is Crucial for Chrome Plating ... or car, you may have s... | eng_Latn | 42,874 |
what is metallurgical sciences | Metallurgy is the science and study of the behaviors and properties of metals and their extraction from their ores. â Practical Metallurgy and Materials of Industry. Modern metallurgy stems from the ancient desire to understand fully the behavior of metals. | RE: Metallurgical Lab from 0s. balances: low mass (~ 500 g), high precision one for making solutions; a medium sized one (~ 5 kg) for measuring part mass or water for solutions; a high mass one (~ 50 kg) for heavy parts, salt for corrosion testing, etc. | eng_Latn | 43,026 |
what are some harms of carbon black | A new study indicates soot, known as black carbon, plays a far greater role in global warming than previously believed and is second only to CO2 in the amount of heat it traps in the atmosphere. | As a good conductor of electricity, carbon black is used as a filler mixed in plastics, elastomer, films, adhesives, and paints. Application of carbon black as an antistatic agent has provided uses as an additive for fuel caps and pipes for automobiles.he high tinting strength and stability of carbon black has also pro... | eng_Latn | 43,181 |
what is corrosion | CORROSION OF METALS AND ITS PREVENTION. WHAT IS CORROSION. Corrosion is the deterioration of materials by chemical interaction with their environment. The term corrosion is sometimes also applied to the degradation of plastics, concrete and. wood, but generally refers to metals. The most widely used metal is iron (usua... | Medical Definition of corrosion. 1 1: the action, process, or effect of corroding arterial corrosion that characterizes arteriosclerosisâJournal of the American Medical Association. 2: a study specimen of an organ or other structure prepared by injection of hollow parts (as blood vessels) with a plastic and subseque... | eng_Latn | 43,208 |
what kind of engineering does metallurgy | Engineering and process metallurgy: You guessed it â this is the study of metals as used in engineering processes. This may include the production of alloys, shaping, and an awareness of the effects of different processes on metallic properties, such as brittleness caused by cold or cryogenic conditions. | Physical metallurgy: This is the study of the properties and forms of different metals, how they respond to different conditions, and various types of change they can undergo. | eng_Latn | 43,310 |
Existing product family models are redundancy,low efficient to manage and hard to update.So,a new approach for the knowledge representation of product family model based on constrained object is proposed.The approach minimizes the data redundancy of product structure and complexity of product configuration,and facilita... | ETO product was mostly complicated product, and it was designed on the basis of especial customer requirement. The framework of ETO product configuration design and multidisciplinary optimization was put forward, through analyzing key problem of ETO configuration design; based on design knowledge and tabular layouts of... | Summary ::: Although depression has been associated to worst bone physical properties in adulthood, this study showed that depressive symptoms were not significantly associated to bone mineral density measured at the forearm during adolescence. | eng_Latn | 43,313 |
A study on welding quality inspection system for shell-tube heat exchanger based on machine vision | Wire Defect Recognition of Spring-Wire Socket Using Multitask Convolutional Neural Networks | Oral spray wintertime vitamin D3 supplementation has no impact on inflammation in Gaelic footballers | eng_Latn | 43,332 |
To satisfy the increasing demand for processing high-performance materials in industry, a new hybrid process, Mechano-Electrochemical Milling (MECM), is developed in this research. This hybrid machining process combines the effect of both the conventional milling process and the Electrochemical Machining process (ECM).... | Electrochemical micromachining (ECMM) has been mostly carried out in situations demanding precision, complexity in the shapes of final components and in case the surface integrity and perfo... | Berzelius failed to make use of Faraday's electrochemical laws in his laborious determination of equivalent weights. | eng_Latn | 43,350 |
Contact stresses in the process of involuate cylindrical spur gears meshing are analyzed in detail.Taking a pair of gears for example and using FEA,results of the FEA and the Herz formula are compared.The imprecise of the contact stress calculation in the GB is revealed,which provides a reference for designing and furt... | One of the biggest problems to predict the bending fatigue life of gear is lack of S-N data from the standard gear specimen. It is expensive and long time to spend to do the specimen tests. The bending fatigue property data from database is not enough to fulfill the engineering needs. To solve the problem, multiaxial m... | Berzelius failed to make use of Faraday's electrochemical laws in his laborious determination of equivalent weights. | eng_Latn | 43,366 |
Research Guides: Industrial and Manufacturing Systems Engineering: Reading and Annotating Documents | K-State Libraries provides access to extensive resources important to the study and research of Industrial and Manufacturing Systems Engineering. Desktop access is provided whenever possible. Please feel free to ask questions if you need assistance. | The 3D model of the hydraulic pressure straightening machine host frame was established by using Solidworks software.The finite element analysis model of the host frame was then established by ANSYS Workbench.The structure strength and stiffness of the host frame were checked.Finally,the structure of the host frame was... | eng_Latn | 43,387 |
Defect characterization of etch pits in ZnSe based epitaxial layers | Three distinct etch pit features in ZnSe based epitaxial layers have been identified. The features were observed with optical dark field microscopy and confirmed to be pits using scanning electron microscopy. Using transmission electron microscopy, we associated different etch pits with characteristic crystallographic ... | AbstractIn most of the direct slicing strategies, the deviation between the computer aided design (CAD) model and the built-up part is estimated as the cusp height in normal vertical sections (NVSs) at points all around the slice contour. In the present investigation, the error is also estimated in inclined normal sect... | eng_Latn | 43,388 |
Novel Smooth Exact Penalty Function Neural Networks for Parameter Linear Programming Problems | In view of solving linear programming problems with parameters both in objective function and constraints, a computational method based on novel smooth exact penalty function neural networks is proposed. First, the error function is introduced to constructing the approximate function of unit step function, which is use... | The present study develops a non-parametric Bayesian network (NPBN) model to predict the corrosion depth on buried pipelines using the pipeline age and local soil properties. The dependence structu... | eng_Latn | 43,392 |
Granulating Regulation of Powder in Vibrated Fluidized-bed Continuous Granulator | Fluidized principle of vibrated fluidized-bed continuous granulator is analyzed in this paper, and distribution feature of fluidized powder is given. The result is of actual significance to design this kind of machine. The study of two rules on spray granulation is a guide to producing dissolvable particles and coating... | High spot closed-gripper mechanism is widely applied on modern sheet printing press because of the technological advantages.Being aimed at its conjugate cam drive,this article researches its design approach,gives the process of parameterized design,develops computer-aided design platform and analyses an instance.This s... | eng_Latn | 43,411 |
Simulation of the surface-layer properties in ultrasonic planing | In the ultrasonic-planing method proposed, torsional oscillations of the tool are used to machine external cylindrical surfaces. Formulas describing the indenter trajectory over the surface of the part are presented. The indenter trajectory and the machining parameters are such that the required microrelief and micropr... | Based on the study of SIP,the paper presents the overlay method to implement the mapping between SIP protocol state machine and IN call state model BCSM,and analyses the implementation concretely.The method has resolved the key technology in interworking of Internet and IN. | eng_Latn | 43,412 |
Key Technologies of Rigid-Flexible Coupling System Modeling and Simulation | We studied key technologies of the rigid-flexible coupling systems modeling and simulation based on the theory of multi-body dynamics and virtual prototyping technology. The study proposed concrete measures to ensure the accuracy of the simulation to short the simulation time and improve simulation speed. It greatly im... | Aim-Background ::: The timing of bilateral inguinal hernia repair and the procedure of choice remains controversial. To present our experience in simultaneous bilateral inguinal hernia repair using the Rutkow-Robbins procedure (plug-mesh). | eng_Latn | 43,419 |
Tuning of the structure and parameters of a neural network using an improved genetic algorithm | Genetic algorithms: a survey | A prospective, open-label, multicenter, observational, postmarket study of the use of a 15 mg/mL hyaluronic acid dermal filler in the lips | eng_Latn | 43,420 |
Modelling the buckling behaviour of composite hemispherical dome ends under external pressure using artificial neural networks | In this study, artificial neural network (ANN) was used in modelling the buckling behaviour of fully clamped composite hemispherical dome ends under external pressure. Due to ability of ANN in learning by examples, this method can be used to simulate a wide range of non-linear complex scientific systems. ANN can be use... | Abstract A numerical scheme, based upon the Kobayashi-Tranter method with certain modifications, is given for axisymmetric punch and crack problems in elasticity. The problems are reduced to solving a system of linear algebraic equations instead of a Fredholm integral equation of the second kind. A standard program thu... | eng_Latn | 43,422 |
Facet normal vector based adaptive slicing algorithm | Layer milling with uniform layer thickness is one of the main approaches for complex surfaces roughing and semi-finishing. But uneven thick material is left near the horizontal plane in some milling experiments. And the existed slicing methods can not properly solve this problem. A new slicing algorithm based on triang... | OBJECTIVE ::: To establish a new method to discriminate Aaron's beard by Fourier transformation infrared spectrometry. ::: ::: ::: METHODS ::: Attenuation Reflection-Fourier transformation infrared spectrometry with clustering analysis was used to the identification of Aaron's beard. ::: ::: ::: RESULTS ::: There were ... | eng_Latn | 43,423 |
Study on a Planar Interdigitated MEMS Supercapacitor Using Modeling and Simulation Method | In this paper, a modeling and simulation method for planar interdigitated ruthenium oxide MEMS supercapacitor was proposed based on the electrochemical reaction mechanism of supercapacitor. The study simulated the planar interdigitated ruthenium oxide MEMS super capacitor using Comsol software. The highly accurate char... | The key factor for improving the efficiency of assembly sequence planning is to reduce the number of components involved in the search or generation of assembly sequences. This paper presents a methodology for automatically extracting subassemblies from a product through analyzing the interference matrices and connecti... | eng_Latn | 43,430 |
Temperature control system on textile production processes with gray predictive control | Gray predictive control is proposed for temperature control system on textile production process.Improved gray model is used to predict the output of the system,and control quantity is adjusted by neuron PID controller,so the output can approach the set point fast.A study on the textile production processes's temperatu... | This paper mainly introduces the system of computer embroidery of houshold sewing machine.In this system,there is a X Y working surface which is controlled by chip microprocessors 8031.The system's characteristics and the desgin of software and hardware are also explained. | eng_Latn | 43,454 |
Milling system for long seam of pipe | PURPOSE: A pipe's long seam milling device is provided to minimize the vibration to be produced during milling by a plurality of clamping part directly clamping the body of the pipe. CONSTITUTION: A pipe's long seam milling device consists of a clamping part(100), a turning roller part(200), a transfer roller part(300)... | A virtual prototype model of machine tool is constructed by using the Pro/E software and the ANSYS software.Considering the effects of joints,this paper makes a study of dynamic analyses of machine tool and the effect of joints on the dynamic characteristics of machine tool to attain the purpose of synthetically predic... | eng_Latn | 43,455 |
Effect of the Interfacial Stress Distribution on the Material Interfacial Shear Strength Measurement | An integrated experimental and numerical analysis is carried out to study the interfacial shear strength of bonded materials. Two types of shear tests, namely the Iosipescu shear test, and the short-beam shear test are employed to understand the effect of interfacial stress on the interfacial shear strength measurement... | The real-time identification and prediction are the two most important key parts during the intellectualized control of sheet forming.The selection of the input and output parameters for the identification and prediction of the neural network model is vital to the success of intellectualized control and the degree of t... | eng_Latn | 43,464 |
Design and Research on New Type Treadmill | In view of well- designed treadmill is advantageous to healthy, the author analyzes the design problem of the existing treadmill which exists in using function, art function and material technique function and others, discusses the shape design, the color design and the components design. Among them t the components de... | A conception and method of space breeding mechanism study with solid statenuclear track detector is briefly introduced. The detector system, etching conditionsand measured parameters are described. The methodology of particle identification isdiscussed. Finally, dependence of variation observed in the field on hitting ... | eng_Latn | 43,467 |
Support Vector Representation Machine for superalloy investment casting optimization | Abstract Machine learning techniques have been widely applied to production processes with the aim of improving product quality, supporting decision-making, or implementing process diagnostics. These techniques proved particularly useful in the investment casting manufacturing industry, where huge variety of heterogene... | In this paper, the structure characteristics of a transmitting device with stepped fit for high speed motorized spindles, and a detailed process of stress analysis to the shrink fitted joint in finite element analysis method is introduced. The reasonability of the structure design and reliability of the surplus joint a... | eng_Latn | 43,468 |
Method of compacting support particulates | Method and apparatus for compacting support particulates media around ceramic shell molds and around fugitive patterns wherein the mold or pattern is placed in a container and the container is filled with support particulates media. The container is set to rotating and vibrating while it is tilted. The combination of r... | An approach for estimating the parameters of mixed Weibull distributions is presented. The problem is formulated as maximization of the likelihood function of the corresponding mixture model. For the solution of the optimization problem, Bare Bones Particle Swarm Optimization (BBPSO) algorithm is applied. Illustrative ... | eng_Latn | 43,474 |
Thermal analysis of conformal cooling channels in injection moulding | Cooling channel system in injection mould is crucial because it affects the moulded part quality and the rate of the moulding process. This paper presents a study of novel conformal cooling channel designs for injection moulds. Various cooling channel designs including conventional and conformal types are developed and... | The real-time identification and prediction are the two most important key parts during the intellectualized control of sheet forming.The selection of the input and output parameters for the identification and prediction of the neural network model is vital to the success of intellectualized control and the degree of t... | eng_Latn | 43,478 |
Geometry processing in developing a software tool for NC wire EDM | Electric discharge machining EDM is widely used in mould making and die industries, and is also becoming a popular method for making prototypes and parts in aerospace, automobile and electronics industries. Wire EDM is typically used to cut plates and to make punches, tools and dies from hard metals that are difficult ... | Recently, Advancements in information technology increasingly compact, lightweight, easy to pursuing the needs of users as (Needs) to meet the complex application of various types of products have been released. In this study, Numerical analysis of stress distribution and to optimize the location of the inserted device... | eng_Latn | 43,484 |
Machine learning for noise removal on breast ultrasound images | This study assessed the utility of machine learning for isolating noise and artifacts in breast ultrasound images. Such corrupt image regions (ROIs) can be automatically excluded when registering images acquired from different angles. Artifacts included posterior acoustic shadowing and enhancement arising from cancers ... | A new modeling method based on sample data is described in this paper,through physics and sample date analysis on displacement vs.voltage characteristics of x-y plane of cylindrical piezoelectric scanner used in scanning probe microscope(SPM).Through sample data statistical analysis,and considering the error factors su... | eng_Latn | 43,492 |
Shape Optimal Design for the Leg Parts of Chair | In this study, a chair with 5 or 6 legs was designed using the commercial program CATIA V5 in order to efficiently design considering the load conditions. In addition, the stress analysis and shape optimization were carried out using ANSYS Workbench for the chair consisting of stainless steel, aluminum alloys, magnesiu... | Complicated meshes used in numerical simulations on complex geometries often limit the applicability of multilevel techniques for fast solvers. We propose a way how this limitation can be circumvented if domain adaptation is used. We represent the geometry implicitly by its signed distance function and solve the proble... | eng_Latn | 43,493 |
Experimental Investigation of Surface Roughness of Cutting Parameters in T6 Aluminum Alloy Milling Process | In this study, optimum machining conditions were determined by investigating the surface roughness of the 7075-T6 aluminum alloy milling, depending on the spindle speed (rpm), feed per tooth (Fz-mm/tooth) and the cooling type parameters. Taguchi experiment design method was used to save time and cost. Experiments were ... | A New NASA Handbook presents recommended procedures for the preliminary and final design of equipment items exposed to various dynamic loads, including random vibration excitations.1 For the final design when the geometric details of the equipment items have been largely determined, finite element method (FEM) and stat... | eng_Latn | 43,496 |
Relaxation methods for parallel in line calculations of the optimum control of large systems | The optimal regulation with a sliding horizon of complex, linear or non linear, processes necessitates a device which will accomplish in real time the collection of process data, the treatment of in line information, and the action on control variables. | Recently, Advancements in information technology increasingly compact, lightweight, easy to pursuing the needs of users as (Needs) to meet the complex application of various types of products have been released. In this study, Numerical analysis of stress distribution and to optimize the location of the inserted device... | eng_Latn | 43,510 |
Calculation of the neutron distributions in complex heterogeneous nuclear reactor cells by the imbedded element method | A METHOD is described of calculating multidimensional neutron distributions, described by the gas-kinetic equation in V. S. Vladimirov’s form, in heterogeneous cells with a complex geometry of the internal and external boundaries. By means of a special choice of the spatial coordinate functions and the method of L. V. ... | Abstract Composites with aluminium alloy matrix and ceramic reinforcements are popular candidates in automotive, aerospace, defense and other industries because of their high strength-to-weight ratio, stiffness, impact strength, wear resistance, etc. In the present study AA 5083 / Nano SiC composite were fabricated by ... | eng_Latn | 43,521 |
Study on the Response Characteristics of Automatic Welding Filter | To facilitate the application and development of the automatic welding filter, it is necessary to study its response characteristics. On the basis of the analysis and research about luminous transmittance and the scale number of the filter, this article proposes a solution to the specific definition of the response and... | In the process of engineering machine's design, ansys damnified conduit's reliability, with Artificial Neural Network and Finite element methods, for example, the distortion conduit is corrodent or bended. this way give a very good solving way to imperfect structuress Reliability Analysis. | eng_Latn | 43,522 |
Effect of Arc Spraying Power on the Microstructure and Mechanical Properties of Pb-Sn Coating Deposited onto Carbon Fiber Reinforced Epoxy Composites | In this study, Pb-Sn coatings were deposited on carbon fiber reinforced epoxy composites (CFRE composites) by means of plasma spraying as a permeation barrier in the applications of composite pressure vessels. The bonding strength of the Pb-Sn coatings-substrates with different plasma spraying power was tested on a RGD... | To deal with the market demand and the production organization feature of steel making enterprises,we formulate the optimization of charge design as a cluster analysis problem with quality constraints on chemical compositions.A particle-swarm-optimization-based(PSO-based) solution is proposed for reducing the dimension... | eng_Latn | 43,523 |
Notice of RetractionStudent-centered college classroom teaching mode based on network teaching platform | Based on the current problems analysis of college classroom courses, the students' knowledge, cognitive characteristics and background were analyzed according to the constructivist theory of knowledge. Under the guidance of the advanced concept of education, teaching theory and learning theory, Web-based teaching curri... | A new modeling method based on sample data is described in this paper,through physics and sample date analysis on displacement vs.voltage characteristics of x-y plane of cylindrical piezoelectric scanner used in scanning probe microscope(SPM).Through sample data statistical analysis,and considering the error factors su... | eng_Latn | 43,532 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.