Materials Literature
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The corrosion behavior of 316L stainless steel(316L SS) has been investigated in solutions containing various concentrations of chloride ions by using potentiodynamic polarization, capacitance measurement and Motte Schottky relationship analysis(Me S). The result indicates that passive currents change slightly with th…
In this study, we developed the ZnO aerogel through dispersed inorganic sol-gel method using citric acid as template, which employed the properties of high apparent specific surface areas. According to the results demonstrated by nitrogen adsorption/desorption and field-emission scanning electron microscope measuremen…
冲击波与动态装载被联系在阶段转变(磅) 的那罐头结果，变化的光、机械的性质，和材料上的化学反应。这里，我们在冲击波和爆炸物理的国家关键实验室从单相的 RuSi 关于多晶的铁，从蓝宝石的光排放的内在的机制，和合成的导致吃惊的磅报导最近的进步。结果显示那条谷物边界(GB ) 能影响 PT 压力阀值和铁，有减少的 GB 缺点的压力阀值减少，和 PT 率的率与增加 GB 显示出一个变化尺寸；波长依赖者光放射率(non-gray-body 排放) 将被产生那没为震惊的蓝宝石以前被揭示，并且观察的光从导致吃惊砍乐队，但是没有过热现象；吃惊压缩能是到合成 Ru-Si nanocrystals 的一条有效的路，当吃惊压力是适当的时；并且 Ru-S…
Density functional theory calculations have been performed to study the interaction of small silver clusters, Ag2 ~Ag9, with HCN. The adsorption of HCN on-top site of the silver cluster, among various possible sites, is energetically preferred. The adsorption energies of HCN on the silver clusters reach a local maximu…
The 4-hi cold mill is one of the key wide strip tandem cold rolling mills and has many advantages and characteristics. The mill type is the most important, fundamental and long-term effective factor for the strip shape control. Many advanced mill types such as CVC-4, HCW and PC-4, etc are created based on the conventi…
Transient over voltage that happened because switching surge have to be paid attention to don't cause the damage equipments of insulation coordination system. This research aim to perceive the transient over voltage at the end of 500 kv transmission line caused energized process by using EMTP (Electromagnetic Transien…
In this work,ultrasonic irradiation and destabilizer solvent were used for destabilizing colloidal platinum dispersions.The stabilized platinum nanoparticles were prepared in w/o microemulsion systems composed of sodium bis-(2-ethylhexyl) sulfosuccinate(AOT) and four different solvents,namely,cyclohexane,n-hexane,n-he…
在太空的地里，高速度的火车和汽车，等等，提起的温度的分析和逐渐变细的压路机轴承的磨损失败比平常是更重要的，并且在重负担和高速度下面的如此的滚动轴承的元素的磨损失败还不能有效地仍然被预言。逐渐变细的压路机轴承的一个简化模型由一条内部水沟，一条外部水沟和一台逐渐变细的压路机组成了被建立，在哪个几热来源的相互作用被忽略。接触力学模型，温度模型和磨损的模型失败被综合，并且相应计算机程序被开发在轴承，和温度分发的热性能上分析轴承参数，不同材料和运作的条件的效果，表面磨损的可能性被获得。结果证明那负担，速度，热传导性和逐渐变细的压路机材料影响温度上升和轴承的磨损失败。逐渐变细的压路机的陶器的材料导致磨损的减少到高程度的轴承的可能性比常规滚动的…
The corrosion resistance of Zr- 1Nb- xGe(x=0, 0.05, 0.1, 0.2, mass fraction, %) alloys was investigated in superheated steam at 400 ℃, 10.3 MPa by autoclave tests. The microstructures of the alloys and oxide scales on the corroded specimens were observed by SEM and TEM. The results show that the corrosion resistance o…
The effect of the addition of the anticorrosive zinc molybdenum phosphate (ZMP) with superficial modification (an organic titanate), on the corrosion resistance properties of powder coating on galvanised steel has been investigated by means of different electrochemical techniques: electrochemical impedance spectroscop…
A hypoeutectic Zn-4.45 mass%Al alloy was molten and then slowly solidified in an electrical furnace. The microstructure and the relevant crystallographic feature on longitudinal section of the solidified alloy ingot were characterized by means of SEM with EBSD technique. The results show that feather-like structure co…
Objective To compare the two different decellularization methods for preparation of liver whole-organ decellularized matrix for providing an experimental basis for screening more effective method.Methods Liver whole-organ decellularized matrix was prepared by two different decellularization methods using sodium dodecy…
In this study, the effect of isothermal temperature on microstructure and mechanical properties of a high Al–low Si TRIP steel was investigated using scanning electron microscopy, transmission electron microscopy, X-ray diffraction, electron back scattered diffraction, and tensile test. The results show that typical m…
To improve the performance of the charge induce layer in a photon counting imaging detector and to enhance the imaging quality of the photon counting imaging system,different thickness Ge films were deposited by Radio Frequency(RF)magnetron sputtering and Direct Current(DC)magnetron sputtering,respectively.The X-ray D…
The surface of ZrO 2 nanoparticles was modified by styrene coupling grafting method to improve the dispersion and interaction of the nanoparticles with the epoxy coating in which the modified ZrO 2 nanoparticles were used as an additive. The grafting performance and microstructure of the nanoZrO 2 /epoxy coating were…
包含泥土的不同数量的聚丙烯 / 泥土复丝纱的相片氧化的降级被调查。这些样品和纯聚丙烯(PP ) multifilametns 暴露于长波长放射(> 300 nm ) 在经常的温度和相对湿度的大气的状况下面。相片氧化的稳定性用 FTIR 光谱学，张力的测试和显微镜学被学习。结果显示泥土粒子的增加减少到相片氧化的降级的 PP/clay composites 的稳定性根据有纯 PP 的比较。从 FTIR 学习和张力的性质，这也被发现有更高的泥土装载的复丝在相片氧化的正式就职时间揭示机械性质，更高相片氧化的产品形成和更多的减小的更快的损失。而且，照耀的细丝的表面上的裂缝形成在张力的性质和 FTIR 描述对应于很好结论。
As one kind of unusual catalytic materials in the industrial catalysis community,the bimetal materials have attracted considerable attentions due to the controlled composition,size and nanostruture of crystals and their promising reasonable controlled catalytic activity in the catalytic reaction.In recent years,the co…
肼铝(MoO4N4H6 ) 的薄电影，新无机的偶氮的染料，用化学洗澡免职技术在商业玻璃底层上被综合并且扔。随后，肼铝的光传播，反射率，吸收，折射索引，和绝缘的常数用一个紫外可见的分光光度计被调查。另外，电影结构被中间红外线的光谱学分析。这些电影的系列被发现与在文学的那些一致。所有电影的表面性质与一个第二等的电子察觉者用一台控制计算机的数字扫描电子显微镜被检验。申请的区域和这材料的工艺的优点也被考虑。
A new method is developed for removing the nickel coating on ITER superconducting cables by mechanical polishing.The obvious advantage of the mechanical method,which uses a nylon brush,is that there is no chemical residual left in the cable,which would otherwise result in passive effects on the joint resistance.The co…
氮空缺(NV ) 中心为量信息处理正在成为有希望的 qubit。缺点在房间温度有一长连贯时间，它允许初始化并且由激光读出并且由微波脉搏操作了的旋转状态。它也为磁场和遥远的旋转作为一根极端敏感探针被利用了。这里，我们基于 NV 中心在试验性的示范考察最近的进步。我们首先在钻石与单个电子旋转在 Deutsch-Jozsa 算法的实现上介绍我们的工作。然后，在中心旋转附近的洗澡的量性质被揭示并且连续波浪动态去耦被表明了。由使用动态去耦，一个多传递量计量学协议被认识到提高阶段评价。在期末考试，我们证明 NV 中心能被认为是极端敏感的传感器旋转实现原子磁性的回声(NMR ) 在 nanoscale 的成像。