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。
Kivonat: A duplex acélok hegesztett kötéseiben a hegesztés során bevitt hő és a nagy hűlési sebesség hatására a ferrit-ausztenit arány jelentősen eltérhet az alapanyag fázisarányától.Az eltérő fázisarány miatt a hegesztett kötések korrózióval szembeni ellenállása és mechanikai tulajdonságai elmaradnak az alapanyag jel…
日前．日本薄膜组件制造商SolarFrontier公司对外宜布．他们Lj美同IBM公司、东京应化工业公司（柬京庙化工业株式会社）合作开发的铜锌锡硫（CZTS）太阳能电池（见图1）转化牢达到了世界最高水平12．6％．打破了该公司同类产品于2012年创下的11．1％转化率的纪录。
Heart disease remains the leading cause of mortality and morbidity worldwide, with 22 million new patients diagnosed annually. Essentially, all present therapies have significant cost burden to the healthcare system, yet fail to increase survival rates. One key employed strategy is the genetic reprogramming of cells t…
水热法制备了ZnO纳米线阵列后,用逐级化学浴沉积法将Ag3PO4沉积在阵列上形成Ag3PO4/ZnO纳米线阵列复合光催化剂.运用XRD、SEM、EDS、紫外-可见漫反射光谱、光电流性能测试、光催化降解等技术手段对Ag3 PO4/ZnO纳米线阵列的形貌结构、光电性能等进行表征.探讨了逐级化学浴沉积Ag3PO4的次数对其光催化效率的影响.光电性能测试表明,Ag3 PO4/ZnO纳米线阵列具有比纯ZnO纳米线阵列更高的光生电流密度,光响应更好.与纯ZnO纳米线阵列相比,Ag3PO4/ZnO纳米线阵列材料对罗丹明B的光降解效率显著提高,降解速度是纯ZnO纳米线阵列的7.7倍,沉积5次的复合阵列的光催化活性最高.
Relevance of the issues on development of the technology for improvement of trunk transport efficiency grows with increase of operating terms of trunk gas pipelines (TGP). Solution of this problem is in many ways associated with the use of repair technologies allowing for extension of the life time of operated TGP and…
目前，对紫外光（uV）固化氟醇改性环氧树脂的报道较少。通过溶液聚合法合成了环氧丙烯酸酯（EAA）和一种可UV固化的氟醇改性环氧树脂——十三氟环氧丙烯酸酯（F13-EAA），将F13-EAA、活性稀释剂、EAA按不同质量比混合，加入光引发剂配制涂料后涂覆于马口铁表面，采用UV固化成膜。通过测定凝胶率和吸水率，研究了稀释剂种类、光引发剂种类和含量、F13-EAA含量、涂膜厚度及光照时间对F13-EAA／活性稀释剂／EAA体系涂膜光固化速率及吸水率的影响。结果表明：当F13-EAA：HDDA（1，6-己二醇双丙烯酸酯）：EAA质量比为30：20：50时，在3％Daroeur光引发剂下，UV照射20S后，凝胶率达87．6％，吸水率仅为0．…
The article deals with the problem of development of theoretical justification inelastic grounds in plastically inhomogeneous ground around developing various applications. For orthotropic massif involved generalized von Mises yield criterion for anisotropic massif. Listed the appropriate characteristics of the anisot…
采用不同单体浓度的聚苯胺包覆碳微球与PET共混后制得PANFCMSs/PET阻燃复合材料,研究了单体浓度对阻燃复合材料性能的影响,同时分析了复合材料的力学性能、阻燃性能及导电性能.结果表明：当单体浓度为1.5 mol/L时,阻燃复合材料的拉伸强度达到39.78MPa,冲击强度为3.48 kJ/m2,此时电阻率最低,导电性能最好,极限氧指数达到32.02％,PET的阻燃性能提高47.6％.
In the article we consider the features of the analysis of the condition of buildings at incomplete construction in difficult hydrogeological conditions
基于MCNP5对含有不同比例的CRT的普通混凝土的屏蔽能力进行了研究。通过模拟137 CS源放出能量为0．662 MeV的γ射线穿过不同厚度的不同屏蔽体，得出γ射线穿过不同屏蔽体的透射光谱、线衰减系数和透射比。模拟分析结果表明：随着CRT部分比例的增加，出射光谱逐渐降低，线衰减系数逐渐增大，透射比逐渐减小，同时发现将CRT部分比例占到9％时制造出来的混凝土的屏蔽性能和纯CRT的屏蔽效果相同。研究结果为将报废CRT的回收提供了市场，也为制造抗辐射混凝土减小了代价，同时也为环境治理提供了一条途径。
This work is devoted to investigations of carbon fibre ( here and after CF) adsorbents on the base of hydrated cellulose in which transport porosity is absent. Due to this feature micropores are readily available to adsorbate molecules. The aim of the research was to find out the relationship between the mass loss, CF…
在微波加热条件下，采用溶液共缩聚的方法合成了OH‐PyPBI及同时含有OH‐PyPBI和PBI重复单元结构的共聚物 OH‐PyPBI／PBI和 OH‐PyPBI／2PBI ．通过测试1 HNMR、TGA及其溶解性，对聚合物进行了表征．利用溶液浇铸法制备出膜材料，并研究了膜材料在浓磷酸中的溶胀性、机械性能和电导率等性能．结果表明：磷酸掺杂水平为4．3的OH‐PyPBI／PBI膜的综合性能最佳，室温条件下的断裂拉伸强度为55．3 MPa ，断裂伸长率为107％；150℃不加湿条件下的质子电导率为0．099 S／cm ．表明该类共聚物膜材料在高温质子交换膜燃料电池中具有潜在应用价值．
Nanocrystalline bismuth tungstat with good visible light response has been synthesized using Pluronic P123 triblock copolymer as surfactant. The prepared samples were characterized by X-ray diffraction, UV-visible spectroscopy, scanning electron microscopy, and BET surface area analysis. The activity of the material i…
Through improving the aging process during synthesis of the support, γ-Al2O3 with large pore volume and high surface area was synthesized by a facile secondary reforming method. The synthesis parameters, such as the reaction tem- perature, the first aging temperature and the second aging temperature, were investigated…
合成了1个含水杨酰基缩对硝基水杨酰肼（H3-o-nbzshz）和单啮N-杂环分子吗啡啉（Mf）的镍（Ⅱ）配合物[Ni3（o-nbzshz）2（DMF）2（Mf）2]· 2H2O,并通过元素分析、红外、热分析以及单晶衍射等手段进行表征.标题配合物是由肼基N-N单键桥联3个金属中心形成的具有晶体学中心对称性的三核镍配合物结构,Ni1…Ni2原子间距为0.458 6（1） nm.在配合物中,对称的Ni1原子与中间的Ni2原子分别形成平面四方形和轴向伸长的八面体的配位构型.配合物通过分子间氢键作用构筑成二维超分子网络结构.并通过变温磁化率研究了化合物的磁性质.
目的 观察褪黑素受体激动剂（Neu-P11）对眼压的影响以及水通道蛋白1在正常眼压兔眼组织中的表达.方法 新西兰兔30只随机分为对照组、褪黑素组和Neu-P11组.用局部点眼法,1个月后处死动物,取眼前段组织;用免疫组化法、RT-PCR法和Western blot法检测.结果 50 μmol·L-1Neu-P11点眼,可使兔眼压降低,1 h达到最低（P＆lt;0.01）.Neu-P11组和褪黑素组,角膜内皮、虹膜基质血管和色素上皮细胞、睫状体非色素上皮以及小梁网组织细胞的胞膜和胞浆均可见阳性表达,且阳性反应数明显增多.Neu-P11组和褪黑素组AQP1mRNA和蛋白质水平较对照组上调,且Neu-P11组比褪黑素组更高,2组差异有统…
The pipelines used for hydraulic fracturing (aka."fracking") are often operating at a pressure above 10000psi and thus are highly susceptible to Stress Corrosion Cracking (SCC).This is primarily due to the process of carrying out fracturing at a shale gas site, where the hydraulic fracturing fluid is pumped through th…
The method of modification of volume four node finite element in the form of a tetrahedron to address problems of thermoelastic materials with essentially nonlinear dependencies of the properties of stress has been considered. The results of calculation of the spherical shell in a physically and geometrically nonlinea…
Physicomechanical properties of rubber mixes and them cured stock, containing dispraktol are investigated by KS-BP. Basic possibility of replacement of rosin, N-isopropyl-N/-phenyl-n-phenylenediamine and pikara, dispraktoly KS-BP is shown.
Tourmaline is an aluminoborocyclosilicate mineral with a complex arrangement of atoms. With highly variable chemistry and multiple cation sites, tourmaline is one of the last complex minerals whose structure was unraveled, and its response to changes in Pressure-Temperature-Time (P-T-X) are not well understood. Due to…