查询词典 Al

Modifying agent Sr can weaken the covalence bond of Si-Si clusters in the Al-Si melts, reducing the size and amount of Si-Si clusters, and restrain the segregation of Si atoms in melt and strengthen the nucleation of Al phase.

变质元素Sr具有削弱液态Al-Si合金中Si-Si共价键的倾向，使得合金液中的Si原子集团的尺寸与数目减小，从而抑制了Si相的优先析出。

Some of them exist alone, and some of them grow up together with Ni〓Al ultra-crystallite or crystallite.

它们有些是单独存在，有些则与Ni〓Al微晶和Ni〓Al晶体生长在一起。

The composites, using Al-11wt%Mg and A172Ni12Co16 decagonal quasicrystal as matrix and reinforced particles respectively, were fabricated by mechanical stirring method.

以Al-11wt%Mg合金为基体，十面体准晶相Al72Ni12Col6为增强颗粒，通过机械搅拌的方法制备Al72Ni12Col6/Al-11wt%Mg复合材料。

Single Al-Ni-Co decagonal quasicrystal particles were prepared by the combination use of conventional casting and ball milling. The coated Al-Ni-Co quasicrystalline particles were prepared by sol-gel processing.

采用常规铸造法和球磨法制备得到单相Al-Ni-Co十次准晶颗粒，并采用溶胶－凝胶法在准晶颗粒表面成功的添加了涂层。

A molecular dynamics simulation was utilized to study Al-Cu alloy nanowires for obtaining mechanical properties and deformation mechanisms by changing the ratio of Al atom to Cu atom.

使用分子动力学方法模拟Al-Cu合金纳米线的拉伸变形，通过改变原子比例来控制纳米线的机械性能和变形机制。

In this paper, deoxidation effect of Si-Al-Ba-Ca complex deoxidizer cored wire for 80t oxygen converter is analysed.

分析了80t氧气转炉应用Si-Al-Ba-Ca 包芯线的脱氧效果，比较了用喂Al线和CaSi线时对脱氧、钢质、工艺的影响。

The meta-peridotite consists of dunite, harzburgite, lherzolite, feldspar-bearing lherzolite and garnet-bearing lherzolite and contains residual spinel with Cr#s [100*Cr/] of 30-57 and Mg#s [100*Mg/(Mg+Fe2+)] of 50-75, indicating an Al- and Mg-rich series.

变质橄榄岩主要为纯橄岩、方辉橄榄岩、二辉橄榄岩、含长二辉橄榄岩和含石榴石二辉橄榄岩，岩石中残余尖晶石的Cr'值=100×Cr/(Cr+Al为30～57，Mg'值=100×Mg/(Mg+Fe2+为50～75，指示一个富Al和Mg成分系列。

The morphology, component and structure of electrolytically etched surface are characterized and the mechanism of electrolytic etching and graining is also discussed based on the theoretical analysis. The components that can form barrier layer or dissolve the resisting layer on the surface of Al-Mg-Si alloy specimens are investigated through voltamperometric and chronoamperometric analysis in several solutions.

通过对Al-Mg-Si合金在各种溶液中的电流密度—电位曲线及电位—时间曲线的测量与分析，筛选出能够在Al-Mg-Si合金表面形成阻挡层的成分和对阻挡层有刻蚀作用的成分，并进行复配实验对比，优选出偏硼酸钠-硼酸、酒石酸-碳酸钠、磷酸钠-正丁酸和柠檬酸钠-柠檬酸等4种图纹电解刻蚀液体系。

To control the interface reactions of SiC/Al composites effectively during preparation, the paper summarized the possible interface reactions. Based on Gibbs-Helmholtz equation and thermodynamic equilibrium of chemical reactions, used the basic thermodynamic data, the paper also calculated the variable Gibbs free energy of the reactions under the different temperature.

为有效控制SiC/Al复合材料制备过程中的界面反应，分析了SiC/Al复合材料可能发生的界面反应，并基于Gibbs-Helmholtz方程式和化学反应的热力学平衡条件，应用基本热力学数据，计算了反应标准Gibbs自由能随温度的变化值。

The N and Al elements hindered phase transfer of TiO_2, restrained growth of nano-TiO_2 particles and improved the crystallization temperature. Degradation ability of N and Al co-doped TiO_2 thin films annealed at 500℃to acid fuchsin whether under UV light or under artificial simulated sun light was the best.

无论是在紫外光下还是人工模拟太阳光下，其对酸性品红的降解效果存在一个最佳退火温度。500℃退火处理N和Al共掺杂TiO_2薄膜的光催化活性最高。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。