Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Rivers provide their living world with a multitude of microhabitats, the mutual characteristic of which is a directed water flow. Other characteristics (water chemistry, size of the basin area, amount of water flow rate, erosion, temperature and light regimes) are directly affected by the regions the rivers flow throu…
This article contains a narrative description of the history, current status, and possible future progress of the product engineering, strength design, and performance testing of furniture. Product engineering is covered both in general and from a furniture perspective. Strength design of furniture forms the essential…
Objective To understand the present situation on disposal of house refuse and domestic sewage of rural areas in China and provide a basis for the development of scientific management and treatment.Methods A questionnaire survey and an on - site investigation of the present situation on disposal of house refuse and dom…
The tensile mechanical performance of 3D-C/SiC from room temperature to 1500 ℃ have been investigated. The preform fabricated with T300 carbon fibers which are woven into 3-dimemsion 4-direction structure with 22 weaving angles. CVI method deposited pyrocarbon and SiC matrix at 950℃～1000 ℃. The composites contained 40…
The microstructure evolution mechanism in adiabatic shear band in commercial pur e titanium (TA2) at high strain rates(γ≈10~510~6/s) were studied . The nanosized recrystallized grains (about 50 nm in diameter) within the cent er of adiabatic shear band (ASB) were observed by means of transmission electron ic microscop…
We have successfully developed a computer simulation technique to design microstructural development such as sintering and grain growth of nano/micro-size particles by using the Monte Carlo (MC). The MC simulations were performed for the array of two- or three-dimensional lattices. Plural mechanisms of mass transport…
Previous work has shown that drying of chemical pulps results in lower inter-fiber bonding when the fibers are subsequently redispersed and formed into recycled handsheets. It was also found that the strength loss could be decreased if the initial drying was carried out in the presence of relatively concentrated sugar…
In order to investigate the effect of hydroxyl group containing tablet excipients on the duration of adhesion of mucoadhesive polymers, discs containing Carbopol 934 (C934), polycarbophil (PC), sodium carboxymethyl cellulose, hydroxypropylmethyl cellulose (HPMC), tragacanth (trag.) and sodium alginate (Na alg.), eithe…
SOFCo‐EFS Holdings LLC has developed a multi‐layer, planar solid oxide fuel cell (SOFC) stack that has the potential to provide superior performance and reliability at reduced costs. Our approach combines state‐of‐the‐art SOFC materials with the manufacturing technology and infrastructure established for multi‐layer c…
Low-temperature structures of the lithium manganese spinels were determined using TOF neutron Rietveld analysis. The spinels LiMn2O4-δ with different δ values, (0.016, 0.040, and 0.132) showed the cubic-orthorhombic phase transitions, and the lattice distortion decreased with decreasing δ. Although no anomaly correspo…
Abstract Chitosan has been modified by polyacrylate sodium or acrylate sodium in the presence of glutaraldehyde, which afforded four kinds of modified chitosan (CTS‐PA) with different ratios of reacting substance. They are used as an environmentally benign polymer adsorbent. The adsorption properties of these CTS‐PA t…
A solid oxide fuel cell (SOFC) is expected to be applied to the distributed energy systems because of its high thermal efficiency and exhaust gas utilization. The exhaust heat from the SOFC can be transferred to the electric power by a gas turbine and the high efficiency power generation can be achieved. In this paper…
In this article, the results of an investigation on solid propellant grains considering the effect of Poisson's ratio v under thermal loading are presented. Traditionally the v value of solid propellant grains is assumed to be a constant (e.g. 0.4999) for engineer, but the real v value is dependent on the real chemica…
Extending the effective medium approximation with the fractal theory for describing nanoparticle clusters and their radius distribution, a predictive model is proposed for the effective thermal conductivity of nanoparticle suspension, combined with the consideration of size effect and surface adsorption effect of nano…
Serious environmental concerns are being raised with respect to at high Total Dissolved Solids (TDS) contents in spent leather processing liquors. Pickling alone contributes about 35% TDS in the effluents. As cost effective treatments for TDS are not yet available, in-plant control has become a necessity. In the prese…
The results of dielectric response studies of the biocellulose show that two relaxation processes can be distinguish: the local main chain motion at ∼200 K and an orientational motion in a mixed phase of polysaccharide and water at ∼325 K. The electroacoustic parameters of a loudspeaker with biocellulose membrane were…
The reaction mechanism of the chloruration of MgO particles suspended in a molten salt bath containing magnesium chloride by HCl gas was studied. Chloruration was carried out in batches in a laboratory scale stirred tank reactor. The determination of the MgCl2 concentration as a function of chloruration time indicated…
Cost reduction of rechargeable nickel/metal hydride (NiMH) batteries is an important and challenging issue. We report here a multicomponent, low-cobalt -type hydrogen storage alloy stabilized by an inert second phase for use in low-cost, high-performance NiMH batteries. X-ray diffraction and scanning electron microsco…
We obtained polymer dispersed nematic liquid crystal films E7/PMMA. The thermally stimulated depolarization current (TSDC) measurements indicate a space charge limited current. Conduction of electronic type was proven and we measured the value of the activation energy, specific to the conduction process. Optical measu…
SERS and FTIR spectra of M and S composites, provided by adding of single-walled carbon nanotubes(SWNTs)to the polyaniline(PANI)solution and chemical polymerization of aniline, respectively are different. The difference originates in the irreversible transformation of SWNTs in the polymerization medium. This explains…