硅的

The diamyl glutarate was synthesized by esterification of n- amyl alcohol and glutaric anhydride separated from dicarboxylic acid by catalysis of silicotungstic acid.

以正戊醇和从二羧酸中分离出的戊二酸酐为原料，以硅钨杂多酸为催化剂进行酯化反应，合成戊二酸二正戊酯。

Amyl cinnamate was synthesized from cinnamic acid and amyl alchol using tungstosilicic acid as catalyst.

以钨硅杂多酸为催化剂，通过桂皮酸和正戊醇酯化反应合成桂皮酸正戊酯，研究了各有关因素对桂皮酸酯化率的影响。

Analcite and hydrated calcium alumino-silicate are the major hydration products of the cement.

碱磷渣水泥的主要水化产物是水化硅酸钙、方沸石、水化硅铝酸钙。

The structure of synthetic silicides has been investigated with the analysis of channeled low angle emergence and TEM.

用掠角沟道技术和透射电子显微镜分析了这种硅化物的结构。

With the analysis of low angle emergence ,important information exposed from the depth profiles of atoms and lattice distortion in an implanted region would be used to study the synthesis of silicides.

掠角沟道技术有益于研究薄层硅化物的原子深度分布和品格缺陷密度分布。

Moreover, the results of IR spectrum and apolar component of surface free energy showed that the alkyl chains of OTS tilted on the surface of PTW after the modification.

但是聚合物包裹为物理包裹，与PTW表面作用力弱；而硅烷偶联剂改性虽然可以有效改善粉体疏水性，但不能满足对粉体越来越高的疏水性要求[5]。

The approach of preparation method is that, first, blend yttria into hot aquafortis, add silicone grease chemical compound after reaction, cool it to form gel. Second, heat the gel for 1-48 hours to acquire solid fruitage. Third, igloss the fruitage in reducing gas for 1-48 hours. Forth, add anorg and then igloss it in reducing gas for 1-48 hours in the temperature between 800-1600 degree.

它的制备方法，包括以下步骤：1将氧化钇溶入热浓硝酸中，反应后加入硅酯类化合物，恒温形成凝胶；2凝胶加热1-48小时，得到固相产物；3在还原气氛中灼烧1-48小时；4加入无机盐，在800-1600℃范围内，还原气氛中灼烧1-48小时；5稀酸洗涤，干燥后得到稀土激活Y2SiO5荧光粉。

In addition, silicon-germanium is a less expensive material than the compound semiconductors such as gallium arsenide or indium phosphide that have long been used in radar systems.

此外，硅锗是一种不太昂贵的材料比化合物半导体，如砷化镓或磷化铟，长期被用于雷达系统。

The interfacial effects of silane coupling between asphalt with granite and cement mortar were studied in this paper.

研究了硅烷偶联剂对沥青与石料及水泥砂浆界面的作用。

The largest corrected intermolecular interaction of the mixture is 24.51kJ/mol. Atomic net charges and nature bond orbit are analysed. The charge transfer between two molecules is great. The weak hydrogen bonds are formed in H…O and F…H.

原子静电荷和自然键轨道分析表明，高聚物粘结剂与硅烷偶联剂之间存在较强的电荷转移，分子间存在H…O和F…H等弱氢键作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。