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Neuro – Genetic Cost Optimization Model: Application of Textile Spinning Process

Lalita Admuthe、Shaila Dinkar Apte2009-01-01International Journal of Computer Theory and Engineering

The hybrid approach of Neuro-Genetic and Genetic Algorithm techniques is developed to model, to simulate and to predict fibre to yarn spinning process and cost optimization. Starting with cotton, desired yarn is produced on ring frame. The quality and cost of resulting yarn play a significant role to determine its end…

Textile materials and evaluationsIndustrial Vision Systems and Defect Detection

A study on electronic structure and optical properties of Zn1-xBexO

Shi Li-Bin、Li Rong-Bing、Shuang Cheng 等 5 位作者2009-01-01Acta Physica Sinica

In the paper,electronic structure and optical properties of Zn1-xBexO are calculated by CASTEP program based on density functional theory and plane-wave pseudopotential method. The band gap increases in the range from 0.963 eV to 7.293 eV when Be content changes from 0 to 1. The lattice strain and band repulsion affec…

ZnO doping and properties

Investigations on Antimicrobial Activity of Collagen and Keratin Based Materials doped with Silver Nanoparticles

Carmen Gaidău、Aurora Petica、Constantin Ciobanu 等 4 位作者2009-01-01OpenAlex

Silver nanoparticles as ecological alternative for organic biocides, which are mainly volatile organic compounds (VOC), represent an innovative challenge for treatment of collagen based materials as are medical furskins. The design of new silver nanoparticles solution and polyurethanes doped with has had in view the c…

Dyeing and Modifying Textile FibersCollagen: Extraction and Characterization

Effect of Phonon Dispersion on Thermal Conduction Across Si/Ge Interfaces

Dhruv Singh、Jayathi Y. Murthy、Timothy S. Fisher2009-01-01OpenAlex

We report finite volume simulations of the phonon Boltzmann transport equation (BTE) for heat conduction across the heterogeneous interfaces in SiGe superlattices. We employ the diffuse mismatch model with full details of phonon dispersion and polarization. Simulations are performed over a wide range of Knudsen number…

Advanced Thermoelectric Materials and DevicesThermal properties of materialsThermal Radiation and Cooling Technologies

ZnO-ZrO2 films with good UV-shielding properties prepared by a single step sol-gel method

Hiroaki Hayashi、Osamu Yoshida、Hisao Suzuki2009-01-01Journal of the Ceramic Society of Japan

This paper describes a single step sol-gel method, which is very useful for the manufacturing of various films. In this paper, ZnO-ZrO2 films with excellent ultraviolet ray shielding property were fabricated by a single step deposition of sol-gel spin coating. Zinc acetate dihydrate [Zn(OCOCH3)2·2H2O] and zirconium n-…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsGa2O3 and related materials

Improvement in the Oxidation Resistance of Cu Films by an Electroless Co-Alloy Capping Process

Hyo-Chol Koo、Sung Ki Cho、Oh Joong Kwon 等 6 位作者2009-01-01Journal of The Electrochemical Society

Co-alloy films with various solution compositions [CoB, CoWB, and CoW(B)P] were deposited with an electroless technique on Cu films without Pd activation, and their oxidation barrier performance was analyzed. The degrees of oxidation of all films were intensively studied. CoB showed excellent capping performance as an…

Semiconductor materials and devicesElectrodeposition and Electroless CoatingsCopper Interconnects and Reliability

Synthesis of Bismuth Molybdate Nanowires via Electrodeposition–Heat-Treatment Method

Fu-Lin Zheng、Gao‐Ren Li、Xiao‐Lan Yu 等 4 位作者2009-01-01Electrochemical and Solid-State Letters

Here we have successfully fabricated nanowires via an electrodeposition–heat-treatment method. The precursors prepared via electrodeposition possess many spheres which are amorphous, consisting of bismuth oxides and molybdenum oxides. After annealing at for 2 h in air atmosphere, bismuth molybdate nanowires were synth…

Gas Sensing Nanomaterials and SensorsTransition Metal Oxide NanomaterialsCopper-based nanomaterials and applications

Megastimanes and ergostane type steroid from leaves Cratylia mollis (Leguminosae)

Luciano S. Lima、M. Lima、Juceni P. David 等 6 位作者2009-01-01Journal of the Brazilian Chemical Society

From the methanolic extract of the leaves of Cratylia mollis were obtained by chromatographic techniques (3S,5S,6S,9R)-3,6-dihydroxy-5,6-dihydro- β-ionol (1), and a new bis-norisoprenoid named (4S*, 6S*)-4-but-1E-enyl-4,6-dihydroxy-3,5,5-trimethyl-cyclohex-2-enone (2) as well as 5a,8a-epidioxyergosta-6,22-dien-3-β-ol.…

Seaweed-derived Bioactive CompoundsChemical synthesis and alkaloidsPhytochemistry and Bioactive Compounds

Interaction of polyols with ruthenium metal surfaces in aqueous solution

Lars Peereboom、James E. Jackson、Dennis J. Miller2009-01-01Green Chemistry

The irreversible adsorption and decomposition of glycerol and other polyhydric alcohols over ruthenium metal at 298–353 K has been examined in a recirculating microreactor system. The quantity of glycerol (GO), propylene glycol (1,2-propanediol, herein PG), ethylene glycol (EG), or 1,3-propanediol (1,3-PDO) adsorbed o…

Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceNanomaterials for catalytic reactions

On the influence of crystal defects on the functional stability of NiTi based shape memory alloys

Burkhard Maaß、Juri Burow、Jan Frenzel 等 4 位作者2009-01-01ESOMAT 2009 - 8th European Symposium on Martensitic Transformations

The cyclic application of the shape memory effect in NiTi based shape memory alloys is associated with a degradation of the functional properties. In the present work, we show how the functional stability of NiTi based shape memory alloys depends on various microstructural defects like grain boundaries, dislocations a…

Shape Memory Alloy Transformations

A reliable method for attaching biological molecules to layer-by-layer self-assemblies

Robert Wilson、Maryam Mehrabi、Ian A. Prior 等 5 位作者2009-01-01Chemical Communications

A method for the stable attachment of biological molecules (oligonucleotides, proteins and haptens) to layer-by-layer self-assemblies is described.

Polymer Surface Interaction StudiesMolecular Junctions and NanostructuresNanofabrication and Lithography Techniques

Acoustically driven oscillations of freely suspended liquid crystal filaments

Joachim Petzold、A. NEMES、Alexey Eremin 等 7 位作者2009-01-01Soft Matter

Some liquid crystalline phases of bent-core mesogens are known to form stable freely-suspended filaments with length to diameter ratios of 1000 and larger. These structures can behave like thin liquid chords. We study filament oscillations excited with harmonic sound waves. From amplitudes of the filament motion and p…

Liquid Crystal Research AdvancementsAdvanced Materials and MechanicsAdhesion, Friction, and Surface Interactions

An FDTD Analysis of Nanostructured Electromagnetic Metamaterials Using Parallel Computer

Ryosuke Umeda、Chieko Totsuji、Kenji Tsuruta 等 4 位作者2009-01-01MATERIALS TRANSACTIONS

Metamaterial with negative permittivity and permeability is studied by means of computer simulations. We analyze the electromagnetic response of nanostructured metamaterials to evanescent waves at optical frequency via the finite-difference time-domain simulatioins on parallel computer. Effects of the nanostructure on…

Metamaterials and Metasurfaces ApplicationsMicrowave Engineering and WaveguidesPlasmonic and Surface Plasmon Research

Effect of Vanadium Doping on Structure and Properties of ZnSe Films Prepared by Metal-Organic Vapor Phase Epitaxy

Masahiro Tahashi、Zunyi Wu、Hideo Goto 等 5 位作者2009-01-01MATERIALS TRANSACTIONS

Vanadium-doped ZnSe films were epitaxially grown on (100) GaAs substrates by metal-organic vapor phase epitaxy. The crystal structure and the state of vanadium in the ZnSe crystal were investigated using X-ray diffractometry, infrared absorption, and photocurrent. It was revealed that zinc sites in the ZnSe crystal we…

Semiconductor Quantum Structures and DevicesPhysics of Superconductivity and MagnetismZnO doping and properties

Study of Zn-Substituted Germanium Clathrates as High Performance Thermoelectric Materials Assisted by First-Principles Electronic Structure Calculation

Takeshi Eto、Kengo Kishimoto、Kenji Koga 等 10 位作者2009-01-01MATERIALS TRANSACTIONS

The thermoelectric properties of the clathrate compounds Ba8ZnxGe46−x were studied theoretically and experimentally. First, a first-principles electronic structure calculation was performed. The calculated result showed that Ba8Zn8Ge38 is an intrinsic semiconductor with an indirect band gap, while Ba8Zn6Ge40 is an n-t…

Advanced Thermoelectric Materials and DevicesThermal Expansion and Ionic ConductivityOptical properties and cooling technologies in crystalline materials

Effects of Thermomechanical Treatments on Pseudoelastic Strain Characteristics of Ti-29Nb-13Ta-4.6Zr for Biomedical Applications

Mitsuo Niinomi、Toshikazu Akahori、Masaaki Nakai 等 4 位作者2009-01-01MATERIALS TRANSACTIONS

There is a possibility for β-type Ti-29Nb-13Ta-4.6Zr (TNTZ) to exhibit super-elastic characteristics, which is advantageous for biomedical applications such as orthodontic wires. Thermomechanical treatments are expected to induce super-elastic characteristics in β-type titanium alloys. Therefore, TNTZ specimens were s…

Additive Manufacturing Materials and ProcessesMetallurgy and Material FormingTitanium Alloys Microstructure and Properties

Master sintering curves of two different alumina powder compacts

Václav Pouchlý、Karel Maca2009-01-01Processing and Application of Ceramics

Concept of Master Sintering Curve is a strong tool for optimizing sintering schedule. The sintering behaviour can be predicted, and sintering activation energy can be calculated with the help of few dilatometric measurements. In this paper an automatic procedure was used to calculate Master Sintering Curves of two dif…

Advanced ceramic materials synthesisIntermetallics and Advanced Alloy PropertiesMicrowave Dielectric Ceramics Synthesis

Joule heating effects on electromigration in Cu/low-κ interconnects

Shinji Yokogawa、Y. Kakuhara、Hiroyuki Tsuchiya2009-01-01OpenAlex

We investigated Joule heating effects on EM in Cu/low-kappa interconnects. The 1-D radiation mainly contributes to Joule heating. The contribution of the 2-D radiation is larger in a smaller area. However, the passive lines in the same layer do not act as a radiation activator but rather as a compounding factor. EM li…

Electronic Packaging and Soldering TechnologiesElectromagnetic Compatibility and Noise SuppressionCopper Interconnects and Reliability

MCM-41 and Na–magadiite silicates internal voids probed by pyrene fluorescence spectroscopy

D.M. Sena、Heloise O. Pastore、Francisco Benedito Teixeira Pessine2009-01-01Physical Chemistry Chemical Physics

Investigation of the properties of two different silicate materials, namely MCM-41, with one-dimensional, cylindrical pores (4.04 nm diameter), and Na-magadiite, with a bidimensional, layered structure (1.67 nm between layers) was carried out. These materials may be used as sorbents, and their polarity is determinativ…

Zeolite Catalysis and SynthesisMesoporous Materials and CatalysisClay minerals and soil interactions

A study on isothermal kinetics of glassy Sb9.1 Te20.1 Se70.8 alloy

A.A. Joraid、A.A. Abu-Sehly、S.N. Alamri2009-01-01Journal of Taibah University for Science

In this research, the activation energy of amorphous Sb9.1 Te20.1 Se70.8 crystallization was studied under isothermal conditions using a differential scanning calorimetric (DSC) technique. The activation energy for Sb9.1 Te20.1 Se70.8 crystallization was determined to be 124 ± 4 kJ mol-1. The Avrami exponent was obser…

Phase-change materials and chalcogenidesThermal and Kinetic AnalysisChemical Thermodynamics and Molecular Structure