Materials Literature
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The purpose of this study was to investigate the effects of Zr interlayer on the structure and mechanical properties of TiAlN films, which were deposited on the M2 high-speed steel substrates by means of plasma-enhanced magnetron sputtering. The result shows that the crystal orientation of Zr/TiAlN films is similar to…
Magnetite Fe304 （ferrite） has attracted considerable interest for its exceptional physical properties： It is predicted to be a semimetallic ferromagnetic with a high Curie temperature, it displays a metal-insulator transition, and has potential oxide-electronics applications. Here, we fabricate a high-magnetization （〉…
A corrosion resistant coating for AZ91 D magnesium alloy was prepared by adding pure magnesium particles, aluminium triphosphate(SAP) and ceria in an epoxy coating. The performance of the coating in 3%Na Cl solution was studied with methods of Machu test, electrochemical impedance measurement and scanning electron mic…
The properties of the bound magnetopolaron in a triangular quantum well were investigated within Lee-Low-Pines(LLP) variational method.At different Coulomb bound potentials,the ground state energy and the ground state binding energy were obtained as functions of the cyclotron resonance frequency of magnetic field and…
NixCo1-xCoAlO4 spinel oxides with different compositions were prepared by sol-gel method and further modified with K2CO3 by incipient impregnation. The NixCo1-xCoAlO4 spinel oxides were characterized by means of nitrogen physisorption,X-ray diffraction(XRD),scanning electron microscopy(SEM),and temperature-programmed…
The intensive concern over the biosafety of nanomaterials demands the systematic study of the mechanisms underlying their biological effects. Many of the effects of nanomaterials can be attributed to their interactions with proteins and their impacts on protein function. On the other hand, nanomaterials show potential…
The swelling and tribological behaviors of nitrile-butadience（NBR） rubbers with three acrylonitrile contents（N18,N26 and N41） in water with different CO2 gas flows are investigated by immersion and wear experiments.The results show that the bubbles of CO2 into water severely destroy the cross-linking network of rubber…
二维的分层的 IVVI chalcogenides 在下一代的 optoelectronic 为应用正在吸引大兴趣，光电、热电的设备。然而，在高质量的 IVVI chalcogenide nanostructures 的可控制的合成的大挑战迄今为止妨碍了他们的深入的研究和实际应用。第一次，这里，我们由蒸汽运输免职在云母底层上以一种控制方式报导单个水晶的 IVVI SnSe nanoplates 的可行合成。成长得当的 SnSe nanoplates 有近似方形的形状，可控制的方面长度从 1 ～ 6 m 变化。电的运输和 optoelectronic 大小证明同样获得的 SnSe nanoplates 显示 p 类型电导率和高 ph…
The mechanical properties of a superconducting composite cylinder with transport current are investigated. By adopting the exponent model, the nonlinear differential equations for flux distributions are derived. The elastic solutions to stress, displacement and magnetostriction are analytically given. Some typical num…
The present work deals with the study of the structural properties of nanosized SnS2 films deposited by the close-spaced vacuum sublimation (CSVS) method. Surface morphology of the obtained films was determined by the scanning electron microscope (SEM-102Е). Structural investigations of the films were performed with t…
A new approach is proposed for fatigue prediction in medical engineering of multifunctional microforceps-scissors (MFS), transconjunctival sutureless vitroretinal metal surgical instrument that removes, grasp, chops tissues and inserts new in a cell. Cyclic loads can result in the fatigue failure of MFS at stress leve…
Firstly,semi-conductive granules in different diameters from nanometer to micron were used to modify polyimide resin that strengthened by glass fabric. Four kinds of polyimide resin with non-alkalis glass fibers were produced,including the original,micro-filler,nano-filler,and micro / nano-filler modified samples; bes…
Blue organic light-emitting devices with periodic doped Ir( ppz)3emission layers were investigated. It effectively inhibited the drift of emission zone,reduced roll-off of efficiency caused by quenching and enhanced the spectral stability. Meanwhile,it enhanced excitation mechanisms of self-recombination by carrier tr…
Scattering of a plane electromagnetic wave by a PEMC elliptic cylinder loaded with chiral material has been solved analytically. The field in every region is expressed by using elliptic wave functions. The unknown expansion field coefficients are obtained by enforcing the boundary conditions at various surfaces. Numer…
在 Cu 和磅之间的 2 和流电的代替反应4+可以指导这些上层建筑的形成。比较 electrocatalytic 性质为甲醇和乙醇氧化被调查了。由于他们的互连的手臂，足够的吸收地点，和暴露的表面，这些上层建筑展览为甲醇和乙醇的电镀物品氧化提高了 electrocatalytic 性能什么时候与商业 Pt/C 和磅黑色相比。
和 100  ； min 分别地。另外，为与在结构上相比的 M4HB 的 MIOPM 的渗透分离因素联系了模拟甲基 2-hydroxybenzoate (M2HB ) 能到达 3.122。
两次画技术被采用准备防腐蚀的涂层电影与 acrylate 由 vinylidene 氯化物(VDC ) 的共聚物的水的乳胶形成了的重型，也就是甲基 acrylate (麻省) ，乙醇 acrylate (EA ) ，丁基 acrylate (BA ) 或 2-ethylhexyl acrylate (EHA ) 。严厉咸水花的腐蚀测试证明优化两次画技术是酸的乳胶答案被适应 pH 56 为首先油漆，当它为第二张画直接被利用时。严厉咸水花的腐蚀的 600 h 的测试证明那 MA-VDC85 涂层能最优地保护钢，而有 75%90% VDC 内容的另外的 acrylate-VDC 涂层不能那么有效地保护钢。进一步的腐蚀测试证明(1 ) M…
In this study,an environment-friendly hydrotalcite film has been deposited on AZ31 Mg alloy by a twostep technique.To improve conversion film technique and control film properties,batch studies have been carried out to address various process parameters such as immersion time,pH value,and temperature of the treatment…
首次利用海藻酸为模板剂,辅助合成了Fd3m空间群结构的锂电正极材料Li Ni0.5Mn1.5O4,同时分析了其结构、形貌及电化学性能等.与普通共沉淀法相比,海藻酸辅助制备的样品表现出了良好的形貌特征和电化学性能.X射线衍射（XRD）和扫描电子显微镜（SEM）观察的结果表明：制备的材料结晶度较高,颗粒晶型完整并达到微-纳级别.充放电测试结果表明：0.2C第一次放电表现出127.8 m Ah/g的比容量,且50次循环保持率在99%以上.同时,循环伏安（CV）和交流阻抗（EIS）测试结果可很好的解释其容量较高的原因.
The reactive fluorescent dye 4- methoxy- N-(2- hydroxy- 1- hydroxymethylethyl) naphthalimide(MHHNA) was first synthesized by imidization and substitution reactions using 4-bromo-1,8-naphthalic anhydride,2- amino- 1,3- propanediol, and sodium methoxide as initial materials. A series of covalent fluorescent polyurethane…