硅烷

In this paper, a new kind of bonded organic/inorganic hybrid NLO materials containing P-Nitro aniline was synthesized through sol-gel process by using alkoxysilane dye containing P-Nitro aniline and tetraethylorthosilicate as reactants.

以含对硝基苯胺生色团的烷氧基硅烷染料和正硅酸乙酯为原料，通过溶胶-凝胶法合成了含对硝基苯胺生色团的键合型有机/无机复合非线性光学材料。

01 Mol/L solution of sodium heptanesulfonate (to adjust PH to 2.2 with the debited orthophosphoric acid)-methyl cyanide (44:56) as mobile phase, detective wavelength was 254 nm.

采用HPLC法以辛基硅烷键合硅胶为填充剂；以0.01 mol/L庚烷磺酸钠溶液（稀磷酸调PH值至2.2）-乙腈(44：56)为流动相；检测波长为254 nm。

Advancing the temperature can increase its molecular weight, the best reaction temperature is 60℃, following by IR, the mechanism of HC1 is the hydrolyzation of alkoxy in 1 hour, and then condensation reaction.

升高温度有利于生成大相对分子量的聚合物，其水解缩合的最佳温度为60℃，通过IR对反应物的跟踪，在水解缩合过程中盐酸作为催化剂先是烷氧机硅烷的水解作用，1小时内就可以完成，之后再发生缩合反应。

Then the molecular structure information connectivity indices of 22 alkoxyl silicon chlorides , 61 sulfides and 74 alkanes were calculated.

利用线性回归技术分别建立了 22个烷氧氯硅烷、61个单硫醚化合物的mY与这些物质的气相色谱保留指数RI的定量结构/保留相关关系模型。

The effects of increasing the stereospecilicity is due to deactivation of different selectivity for both atactic and isotatic active centers and the deactivation of atacitic active centers is much greater than that of isotactic active centers.

EB、DIBP和TMP用作Din的效果则各不相同。烷氧基硅烷等Dex提高等规度的作用是由于它们选择性地使无规活性中心失活大大高于等规活性中心。

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; and a mixture of two or more different selectivity control agents, said SCA mixture comprising from 1 to 99 percent of one or more esters of one or more aromatic monocarboxylic acids or substituted derivatives thereof, and from 99 to 1 percent of one or more alkoxysilane compounds.

一种用于丙烯聚合的催化剂组合物，包括：一种或多种齐格勒-纳塔主催化剂组合物，该齐格勒-纳塔主催化剂组合物包括一种或多种过渡金属化合物和一种或多种芳族二羧酸酯内部电子给体；一种或多种包含铝的辅催化剂；和两种或更多种不同的选择性控制剂的混合物，所述SCA混合物包括1到99％的一种或多种芳族单羧酸的一种或多种酯或其取代衍生物、和99到1％的一种或多种烷氧基硅烷化合物。

The effect of silicon atom in substrate on the reaction rate and the stereoselectivity of enzymatic reactions was revealed by comparison of horse liver alcohol dehydrogenase-catalyzed stereoselective dehydrogenation of the three isomers of acetyltrimethyl propanone and their carbon analogues in aqueous/organic biphasic systems.

本项目通过对比在水－有机溶剂两相系统中，马肝醇脱氢酶催化三甲基硅烷丙酮的三个异构体及其碳类似物的光学选择性脱氢反应，揭示了底物中的硅原子对酶反应速度、立体选择性的影响规律，成功地合成了高对映体纯度的手性有机硅醇，并实现了辅酶的再生。

Silicone ; hard coating ; silicone resin ; methyltriethoxy silicone ; tetraethoxy silicane ; transparent plastic

有机硅；硬质涂料；硅树脂；甲基三乙氧基硅烷；正硅酸乙酯；透明塑料

The new technical center will enable Wacker to tap the fast-growing markets in this part of the world.

公司的重点产品是建筑用聚合物，乳化硅油，密封材料，硅烷以及硅树脂。

Gas silicon hydride (SiH4) with a purity over 4N (99.99%) is an electronic grade chemical that's mainly applied to IC, flat panel display, solar battery and optical-fiber manufacturing, and serves as a crude gas for generation of multicrystal silicon and epitaxial film, and purifying film.

纯度4N（99.99％）以上的硅烷（SiH4）气体是一种电子级化学品，主要应用于集成电路、平面显示、太阳能电池、光纤制造等行业，是多晶硅、外延膜生成、硅器件纯化膜和聚硅膜的原料气体，具有很高的防腐性和耐用性，在镀膜等工艺大量使用。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失