Materials Literature
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热变丑行为借助于扫描电子显微镜学(SEM ) 和单轴的热紧张被学习。流动应力上的变丑温度和紧张率的效果被评估，并且变丑机制被分析。压力紧张 Ti-6Al-4V (TC4 ) 合金表和 TC4 合金酒吧弄弯在的结果表演提高了温度有不同形式和规则。TC4 的流动应力被紧张率和变丑温度控制。流动压力随高温度的增加减少。变丑机制在高温度区域和谷物边界以内展出动态恢复和再结晶特征在低温度滑动行为。
By using high-purity tungsten powders,titanium powders and TA2 Ti sheet as the raw materials,W-10%Ti alloys were prepared by infiltration and liquid-phase sintering respectively.The density and impurity content of C,N and O in W-10%Ti alloy were measured.The morphology,composition and microstructure were characterized…
Developing multi-functional single buffer layer is one of the most important challenges for simplification of coated conductors configuration.La-doped CeO2 films were prepared by chemical solution method.And surface morphology and texture quality of the La-doped CeO2 films were investigated in details.The results show…
Linear Friction Welding (LFW) is a novel welding technology, which utilises a combination of frictional heating and plastic deformation to join difficult-to-weld materials. However, when joining high temperature materials large residual stresses are generated, which can be detrimental to the joint performance. In this…
在麦克斯韦·加内特(M-G ) 的框架下面，模型，围单人赛的碳 naotube (SWCNT ) 的光、电的性质，双 walled 碳 nanotube (DWCNT ) 和在兆兆赫(THz ) 的做氢的碳 nanotube (做 H 的 CNT ) 区域被调查了。作为频率增加，损失正切和传导性显示出一座山峰，这被发现了。SWCNT 的损失正切和传导性比 DWCNT 和做 H 的 CNT 的大。有充满因素和几何因素的减少的增加的损失正切和传导性增加。
基于钛的多孔的材料能在结构的应用被使用并且医药因为他们的优秀机械性质，在提高的温度，好腐蚀抵抗和奇妙的简历相容性植入。然而，大多数过去常生产多孔的金属罐头的方法仅仅给有限的孔和控制不了的毛孔形态学。在现在的学习，用空间持有者技术的粉末冶金学的一个最新发达的方法被用来与可控制的孔制作多孔的钛。词法特征和产品的机械性质充分被调查。结果证明孔在范围 55%75% ，并且与 ∼0.72 的平均球状，吝啬的毛孔尺寸是 600 μm。高原压力在 10 MPa 和 35 MPa 之间变化。是由 Gibson-Ashby 模型，预言了高原压力与增加减少孔。
To explore a reliable technology possibly applicable to the inactivation of micro-creatures in ship ballast water, this paper reports a result of a primary experimental and analytical study. We obtained 10μm bubbles in averaged diameter by using a swirling flow type micro-bubble generator. We exposed a shock wave gene…
The corrosion mechanisms of metallic materials different corrosive media,such as natural environments(like wet air,acid rain),acid pickling,oil field acidizing are summarized.Imidazoline derivatives as a new,low toxic and useful aqueous inhibitor,can be applied for effectively inhibiting the corrosion of metallic mate…
) 。由于在这些建筑群的免费离子的存在，如此的建筑群是电子上传导性的。La (III ) 和 Pb (II ) 的配置被建议到可能八面并且 Zn (II ) 和 Cd (II ) 建筑群被建议到可能有四面。
由二个不同方法， polyacrylamide 胶化方法和降水方法准备了，被调查。第一个方法准备的添加剂的谷物尺寸比那些好由后者方法准备了。什么时候在一样的温度的 sintered， 1700 ° C，硅氮化物的平均谷物尺寸是为有以前的添加剂的样品的 0.3 μm，它比有后者添加剂的那种好得多。降水方法准备的添加剂的密度清楚地是比那些低的由 polyacrylamide 胶化方法准备了。
A thermodynamic study of temperature effects on the 0.1 mol·L-1 Zn(NO3)2 system by means of potential-pH diagram, species repartition diagram, and solubility of ZnO/Zn(OH)2 was presented with the aim of guiding future electrodeposition conditions and for the prediction of the ultimate product. These thermodynamic calc…
我) 蛋白质被用来测量吸附到 PLLA 表面的蛋白质的数量。Fibronectin (Fn ) 被用来在修改 PLLA 表面上学习蛋白质吸附，包括在浆液答案的单个蛋白质，二进制蛋白质系统的竞争吸附和浆液多蛋白质和解吸附作用行为的等温线吸附和吸附动力学。结果证明在等温线吸附， Fn 在更低的集中在修改 CS 的表面上有一个更大的吸附能力，但是在更高的集中在修改 CMC 的表面有一个高吸附能力。在吸收动力学的学习， Fn 在修改 CS 的表面有最快的吸附平衡和一个最高的平衡吸附能力，当它在修改 PCS 的表面是相反的时。当 BSA 和浆液被增加时，它在修改 PCS 的表面上在 Fn 的吸附上有最大的效果。在在解吸附作用学习浸泡的 6…
We have calculated the phase diagrams of one-component fluids made of five types of biaxial particles differing in their cross sections.The orientation of the principal particle axis is fixed in space, while the second axis is allowed to freely rotate.We have constructed a free-energy density functional based on funda…
The optimization of electrodes for solid oxide fuel cells (SOFCs) has been achieved via a wet impregnation method. Pure La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3-delta) (LSCrM) anodes are modified using Ni(NO(3))(2) and/or Ce(NO(3))(3)/(Sm,Ce)(NO(3))(x) solution. Several yttria-stabilized zirconia (YSZ) electrolyte-supported…
The effect of processing temperature in a single-screw extruder on molecular characteristics of polyethylene (PE) was studied by employing additive-free low-density polyethylene (LDPE) and linear low-density polyethylene (LLDPE) for extrusion coating. It was indicated that melt elasticity is enhanced by applied extrus…
Glasses with the composition of 65GeO212Ga2O3-10BaO-8Li2O-5La2O3(molar ratio) doped with 1.526 wt.%, 3.006 wt.%, 5.836 wt.%, 11.028 wt.%, and 15.678 wt.% Tm2O3, respectively, were fabricated by conventional melting method. According to the absorption spectra and the Judd-Ofelt theory, the J-O strength parameters (Ω2,Ω…
A computation method of the electricfield and ionic space charge density in planeinsulations with water trees (using a ComsolMultiphysics software and the thermal step currents(Im(t)) measured with Thermal Step Method) ispresented. A parabolic spatial variation of volumecharge density, an exponential spatial variation…
Objective To increase the drug loading of the poorly soluble anticancer drug,camptothecin(CPT),micelles made of a mixture of Pluronic P105(P105) and Pluronic L61(L61) were prepared.Methods Mixed micelles made of a mixture of Pluronic P105(P105) and Pluronic L61(L61) were prepared loaded with CPT.The drug loading and c…
We find that C59N and C19N crystals can be synthesized by slow evaporation of C60 solvent in the atmosphere. It opens up a new and efficient route for the preparation and study of various kinds of Cn（n≤59）N crystals materials.
120 species and varieties from 21 genera of Streptophyta, Zygnematophyceae were found in the “Sebezhsky” National Park (Pskov Region, Russia) in 2005–2007. Leading genera are Cosmarium (34 species), Staurastrum (19 species) and Closterium (14 species).