Materials Literature
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The growth mode, electronic structure, and thermal stability of Ni nanoparticles on thin ZrO2(111)film surfaces were investigated using X-ray photoelectron spectroscopy, ultraviolet photoelectron spectroscopy, and low-energy electron diffraction. Stoichiometric ZrO2(111) thin films with thickness of 3 nm were epitaxia…
Ultra-pure mesoporous silica microspheres with good monodispersity were synthesized in two steps:nanometer-sized silica sol was produced by the sol-gel process,then micrometer-sized silica microspheres were synthesized by polymerization-induced colloid aggregation of the silica sol.The total metal content of the micro…
Composite powder of Fe( as shell) and Al( as nuclear)( Fe-Al) was produced by electroless plating. Using Q235 steel as substrate,Fe-Al and Al2O3 composite powders as coating materials,the FeAl intermetallic coatings were fabricated by plasma spraying. Fe-Al intermetalic compounds were formed under thermal spray proces…
阶段。nanocrystalline 和非结晶的结构能被机械 milling 获得，并且合金的 amorphisation 度显然与增加的 milling 时间增加。电气化学的大小显示合金的分泌物能力首先与增加 Y 内容和 milling 时间增加然后减少。为 Mg 的 Y 的替换戏剧性地改善当工厂合金的周期稳定性，和机械 milling 差不多损害合金的周期稳定性。而且，高率分泌物能力，电气化学的阻抗光谱， Tafel polarisation 曲线和潜在的步大小显示当工厂合金的电气化学的运动性质首先与增加 Y 内容和 milling 时间增加然后减少。
The combined electromagnetic fields were achieved by the application of an alternating magnetic field and a stationary magnetic field and were used during direct chill(DC) casting process to control the microstructure and macrosegregation of an Al-Zn-Mg-Cu alloy. Ingot microstructures were analyzed under an optical mi…
Good quality single crystals of benzimidazolone (C7H6N2O) were grown by slow evaporation of a solution at room temperature. The structure of the compound was determined by single-crystal X-ray diffraction. The compound was found to crystallize in monoclinic space group P21/n with Z = 4; the molecule is symmetrical to…
离子在做 3 at.% 的水平的 Ni 以外形成立方的 NiO 的一个第二等的阶段，它被 Fourier 变换也证实红外线的光谱学。nanopowders 的乐队差距增加(从 3.32 ～ 3.44 eV ) Ni 与进一步的做做和减少的多达 3 at.% 。ZnO : Mn : 有 Ni 集中的 3 at.% 的 Ni nanopowders 展出好抗菌剂效率。在 nanoparticles 的尺寸的变化从从光致发光结果证实了的 TEM 图象和氢氧根激进分子观察了清楚地在综合 nanopowders 的抗菌剂效率上证实讨论。综合 nanopowders 的磁性用一个颤动的样品磁强计被学习，并且结果证明做 Mn 和 Ni 大部分影…
To reduce the difficulty of material filling into the top region of tooth in hot precision forging of gears using the alternative die designs, relief-cavity designs in different sizes were performed on the top of die tooth. The influences of the conventional process and relief-cavity designs on corner filling, workpie…
Fusion reactions can be achieved by using deuterium from sea water as the fuel.The amount of deuterium in one gallon of sea water contains energy equivalent to three hundred gallons of gasoline.Satisfactory conditions of plasma temperature and density necessary to initiate fusion have been achieved in various research…
2 ) nanoparticles ( NP )， AgAu alloy-TiO 2 核心壳 NP 经由大音阶的第五音胶化( SG )被制作作为模板与块共聚物壳面对 AgAu 合金 NP 处理。AgAu-TiO 的 photocatalytic 活动 甲又蓝色(MB ) 的 photodecomposition 上的 2 NP 被调查。AgAu-TiO 与与块共聚物有关的 5.0% titania 涂的合成 NP 更高显示出的 2 photocatalytic 活动比 titania 在满足的另外的样品比 5.0% 大。结果显示 TiO 的厚度的增加 2 壳导致 photocatalytic 活动的减少。
The red long-lasting phosphorescent(LLP) of β-Zn3(PO4)2:Mn2+,Pr3+ material was prepared through combustion and conventional solid-state sintering methods. The influence of Pr3+ ions on luminescence and LLP of Mn2+ in β-Zn3(PO4)2:Mn2+,Pr3+ phosphor was systematically investigated. The phosphor presented a strong photol…
)作为 CdS 先锋。当到 benzaldehyde 的本甲基酒精的选择氧化被用作探查反应时，结果证明 MIL-100 (Fe ) 和 CdS 半导体罐头的联合显著地在房间温度提高 photocatalytic 效率，作为与纯 CdS 的相比。提高的 photocatalytic 表演能由于 MIL-100 (Fe ) 的存在被归因于提高的轻吸收， photogenerated 电子洞对的更有效的分离，和 CdS 的增加的表面区域的联合效果。这个工作在太阳能的变换的域里为应用程序表明那条基于 MOF 的合成材料抓住伟人诺言进化学能。
The over-consumption of fossil fuels resulted in the large quantity emission of carbon dioxide(CO2), which was the main reason for the climate change and more extreme weathers. Hence, it is extremely pressing to explore efficient and sustainable approaches for the carbon-neutral pathway of CO2 utilization and recyclin…
First-principles methods based on the density functional theory(DFT) are used in order to calculate the structural and optical properties of α-SiO2 cluster with the non-bridging oxygen hole centers(NBOHC) and NBOHCE' defects. We clarify the stable structure of the NBOHC-E' point defects for the first time using the fu…
H 原子磁性的回声，和 Fourier 变换红外线的光谱学。形成的胶化对象温度和氟化物阴离子那样的环境刺激多应答。结果显示出那结合的氢的联合， - 叠并且在 p-alkoxylbenzamides 到的聚集的货车 der Waals 相互作用结果形成三尺寸的网络，取决于长烷基链的长度。
The patenting process of three hot-rolled steels with carbon mass contents of 0. 70%-0. 90% was studied.The effect of the quenching temperature on the cementite lamellar distance in the steel was evaluated on the basis of microstructural characterization and mechanical property tests. The patenting treatment of high-c…
In the present report,Ba5RTi3Nb7O30（R=La,Nd,Sm,Eu,Dy） compounds were synthesized by solid-state reaction method in order to know the effect of ionic radius of rare-earths on their structural,dielectric,ferroelectric,pyroelectric,piezoelectric and conductive properties.X-ray diffraction analysis revealed the formation…
与与前者缠绕的 phloretic 酸(chitosan-PA ) 导致了 chitosan grafted 的另一个网络。hydrogel 纤维的机械表演被一个电子单个纤维力量测试者测量。gelatin/chitosan IPN hydrogel 纤维的机械性质随明胶和 chitosan 的集中的增加有重要改进，这被发现，并且 IPN 纤维有 38.6 cN 的最高的紧张和 387.2% 的延伸。加速的降级面对 papin 显示 gelatin/chitosan-PA IPN hydrogel 纤维拥有可控制的 degradability。另外，生物评估显示 IPN hydrogel 纤维能支持房间粘附和增长。而且，手穿行小道显…
The composition,structure and micro-morphology of magnesium- iron- aluminum composite oxides were investigated using various methods such as XRF,SEM,EDS,XRD and KMn O4-titration. Compared to hercynite,the composite oxides have completely different phases including solid solution( Mg O)0. 77( Fe O)0. 23,composite spine…
In this study, the stirred casting with various processing parameters, such as stirring temperature and stirring speeds, was carried out on the Al–Pb monotectic alloys in order to make Pb particles distribute much more uniformly. More importantly, their damping capacities were systematically studied. The results show…