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。
一个阶段和方向性地为包晶体的合金使用的微观结构选择地图在传送对流状况下面团结了被介绍，它基于成核，宪政的 undercooling 标准(NCU 标准) ，和最高的接口温度标准。这张选择地图显示出在阶段 / 微观结构之间的关系， G/V 比率(G 是温度坡度， V 是生长速度) ，并且在不同传送对流紧张和成核下面的合金作文 undercoolings。从方向性的团结与结果作比较 SnCd 包晶体的合金试验，这张选择地图通常与试验性的结果一致。
Graphene/hierarchy structure manganese dioxide（GN/MnO2） composites were synthesized using a simple microwave-hydrothermal method.The properties of the prepared composites were analyzed using field emission scanning electron microscopy（FE-SEM）,X-ray diffraction（XRD）,transmission electron microscopy（TEM）,and X-ray photo…
bipolymer 缩苹果酸酐甲基 acrylate (妈妈) 被综合从缩苹果酸酐和甲基 acrylate 基于分子的设计。妈妈进一步与 oleylamine 或 octadecyl 酒精反应了产生聚合物分别地把 Oleamide 妈妈(NMAMA ) 和 Octadecanol 妈妈(OMAMA ) 称为的二把梳子。两个的结构聚合物被证实由他们的红外线光谱分析(红外) ，胶化浸透层析分析(GPC ) 和微分扫描热量计(DSC ) 。而且，压抑的 pour 点(PPD ) 这些梳子聚合物的性质试验性地被检验。试验性的结果证明除聚合物的分子的重量和集中以外，方面链的长度和功能的组的数字也在压抑性能的 pour 点上有大影响。在镇静剂…
Using 99.99%pure nitrogen and argon as sputtering gas,p-type N doped Mg0.07 Zn0.93 O film was deposited on quartz substrate by radio frequency magnetron sputtering with Mg0.04 Zn0.96 O target.The film has resistivity of 21.47!·cm,Hall mobility of 3.45cm2/(V·s)and carrier concentration of 8.38×1016cm-3.The structure an…
Low-temperature combustion,such as combustion of solid fuels(low-rank coals,biomass etc.) in grate furnaces or fluidized bed combustors,can make NH3(fuel-nitrogen) conversion,which is an important source of NOx and N2O.To understand deeply on NH3 oxidation and production of nitrogen oxides in low-temperature combustio…
Carbon nanotubes(CNTs) and graphene, as novel nanocarbon materials, have aroused great attention due to their unique microstructure and extraordinary physical properties. Nanocarbon/epoxy composites, combining nanocabon materials and epoxy together, exhibit excellent mechanical, electrical, and thermal properties. The…
The structure of dislocation and grain boundary(GB) in nanostructured Al–Mg alloys processed by high pressure torsion(HPT) was characterized by means of transmission electron microscopy(TEM) and high-resolution TEM(HRTEM).The results show that the grains less than 100 nm have sharp GBs and are completely free of dislo…
A series of BaLa2- xZnO5∶ xTb3 +green phosphors were synthesized by solid state reaction,and the structure and luminescence properties of the phosphors were also investigated. The results show that the ternary oxide BaLn2ZnO5 has a tetragonal structure with a space group of I4 /mcm,and its basic structure consists of…
与由圆柱的头发组成的坚韧的分叉的狭窄的复叶， Ishige okamurae 是类 Ishige 的典型种类，它被看作之一最在 Phaeophyceae 的发展史的基础类。除了从进化尊重的大公共兴趣，更多的注意在丰富的 bioactive 混合物上被带了在里面我。为治疗学或经济的考虑的 okamurae，例如 diphlorethohydroxycarmalol 和 ishigoside。然而，很少对涉及的相关关键基因或新陈代谢的小径被知道我。okamurae，它号召我们由下一代定序执行 transcriptome 的全球分析。总的来说，我们获得了 78 有 1 709 核苷酸的 N50 的 583 装配脚手架，和有重要强风匹配(…
在转矩流变仪中用熔融接枝法制备马来酸酐（MAH）和苯乙烯（St）接枝聚丙烯（PP）～PP-g-（MAH／St）和PP-g—MAH，将其作为聚丙烯／木粉复合材料的相容剂。FTIR证实MAH和St单体与PP发生接枝反应。用SEM和DSC等手段考察两种相容剂对PP／木粉复合材料微观形貌和结晶性能的影响，探索了各种PP／木粉复合材料加工和力学性能不同的内在原因。SEM显示，PP-g-（MAH／St）改性木粉比PP-g-MAH改性木粉在PP基体中分散性更佳，木粉与PP的界面更加模糊，相容性进一步改善。DSC结果表明，PP-g-（MAH／St）改性体系可增强木粉对PP的异相成核作用，提高结晶温度和结晶度。复合材料的加工和力学性能测试结果表明，…
这评论总结在碳 nanotube 在接口学习的领域里执行的工作增强的铝(CNT/Al ) composites。许多研究工作被进行了在生产揭示 CNT/Al 接口的进化以达到完成 CNT 并且紧张的界面的结合的一致分发合成。涂层的效果和原则与金属间化合的分裂期间设计的说明一起被考察。在结构、功能的申请的 CNT/Al 接口的不同角色被阐明，并且需要注意的未来工作被探讨。
To improve the photo-oxidation degradation resistance and antimicro- bial ability of ZnO-filled polypropylene random copolymer (PPR), 13X zeolite particles supported with nano-ZnO with different morphologies were prepared and used to manufacture filled PPR composites. The formation of ZnO with different morphologies o…
Bi1-xTbxFeO3 thin films were prepared on SnO2（fluorine doped tin oxide） substrates by a sol—gel method.The structural and electrical properties of the BiFeO3 thin films were characterized and tested.The results indicated that the diffraction peak of the Tb-doped BiFeO3 films was shifted towards right as the doping amo…
Chemical interaction of Ce-Fe mixed oxides was investigated in methane selective oxidation via methane temperature programmed reduction and methane isothermal reaction tests over Ce-Fe oxygen carriers. In methane temperature programmed reduction test, Ce-Fe oxide behaved complete oxidation at the lower temperature and…
有铁酸盐底层的榴状的生铁(NCI ) 的表面是很快 remelted 并且由血浆团结了转移了弧(PTA ) 与高坚硬导致 chilled 结构并且有利穿抵抗。在微观结构上扫描速度的效果， microhardness 分发，并且穿再融化 PTA 的标本的性质系统地被调查。微结构描述显示 PTA remelting 处理能溶解大多数石墨小瘤并且使结晶的主要奥氏体树突被转变成渗碳体，马氏体， ledeburite 的一个 interdendritic 网络最容易溶解、肯定的剩余奥氏体在快速的团结期间。remelted 地区和它的树突的尺寸与扫描速度减少增加。remelted 地区的 microhardness 在 650 HV0.2 的…
Magnetoresistive 传感器能广泛地在现代交通地里被使用，例如放的车辆和航行系统，车辆察觉系统，和聪明的交通系统。以便改进 magnetoresistive 传感器的效率，我们综合了在不同 sintering 温度的 La0.8Sr0.2MnO3 多晶的体积并且在这个工作调查了他们的 DC 和交流运输性质。作为结果，所有样品显示出 insulatormetal (IM ) 阶段转变，并且转变温度(T IM ) 随 sintering 温度的增加变了到更高的温度。在不同交流频率测量的 T IM 比以 DC 状况测量了的小，它暗示 IM 阶段转变在交流频率被压制。在高交流频率测量的抵抗力比在低交流频率测量了的大，它能被归因…
Although most transition metals have been tested as the promoter to Pt for electrocatalysis toward fuel cell reactions,semi-conductor elements,such as Si,have hitherto not been examined.Here we report a simple synthesis of intermetallic Pt2Si electrode using magnetron sputtering and the electrocatalysis toward ethanol…
是电气化学的氧化并且完全在 O-SOFC 忽视公司电气化学的氧化的贡献。在这短通讯，一个热力学的模型被开发比较 H-SOFC 和 O-SOFC 的理论上最大的效率，就在 O-SOFC 阳极的公司的电气化学的氧化而言。O-SOFC 从公司电气化学的氧化由于贡献比 H-SOFC 展出更高最大的效率，这被发现，它与 SOFC 性能上的电解质效果的普通理解相反。在 SOFC 的理论效率上操作温度和燃料利用因素的效果也被分析并且讨论。
Oxidized starch is a starch derivative of natural starch and oxidants in the role of a certain pH, temperature, time, catalyst and other conditions, which are widely used in the food industry because of its excellent features. In this paper, the oxidized starch preparation process optimization with sodium hypochlorite…
p-Phenylenediamine (PPD) functionalized graphene oxide (GO) materials (PPDG) were prepared through a one-step solvothermal process and their appli- cation as supercapacitors (SCs) were studied. The PPD is not only as the spacers to prevent aggregating and re- stacking of the graphene sheets in the preparing process bu…