硅

When TiO〓 content is increased, the surfacial energy formed by crystals may be reduced, the devitrification degree, strengthened and the content of wollastonite in crystal phase raised; if Cr〓O3〓 content is increased, the crystal size is enlarged, and the content of diopside in crystal phase, raised; if the sulphide content is increased; the reduction atmosphere is heightened and the content of wollastonite become bigger.

晶核剂浓度研究表明，晶核剂浓度不同，对基础玻璃析晶强度，晶相含量和晶体尺寸有一定的影响，当TiO〓含量增加时，可以降低晶体形成的表面能，析晶强度增大，晶相中硅灰石含量增多；Cr〓O〓含量增加，晶体尺寸增大，晶相中透辉石含量增加；硫化物增多，还原气氛增大，同时硅灰石含量增多。

The effects of the dosages of initiators, emulsifier, organicsilicon and 2-Hyciroxypropyl acrylate on conversion and graft efficiency were studied. Moreover, the particle morphology, particle size distribution and glass transition temperature of latex were characterized by Transmission Electron Microscopy, size distribution analyzer and Differential Scanning Calorimetry.

考察了引发剂用量、乳化剂用量、有机硅用量、丙烯酸羟丙酯用量对硅－丙核／壳乳液转化率、接枝率的影响，并借助透射电镜、粒度分布仪和差示扫描量热仪分别对乳胶粒形貌、粒径分布及其玻璃化转变温度进行了表征。

Alterations of country rocks are complicated and multiple, and mainly are silicification, talcization,biotitization and dolomitization, Quartzite at the bottom of the second formation of the Langshan Group is the result of silicification.

围岩蚀变类型较多而且复杂，主要有硅化、滑石化、黑云母化和白云岩化。狼山群第2岩组底部的石英岩是硅化作用的产物。

The optically active defect centers of such types as E', two kinds of oxygen-deficiency and some kinds of oxygen-richness in silica play an important role in optical communication fiber and UV absorption. The researches on some oxygen-deficient defects and the metal ions doped or implanted semiconductor nanoparticles with fine luminescence properties have made it possible for silica to be used in the lighting field.

氧化硅材料本征E'、2种缺氧型以及各种富氧型光活性缺陷中心在光导纤维及紫外吸收等应用中扮演了很重要的作用，某些具有良好发光性能的缺氧中心及掺杂离子或半导体纳米粒子发光中心的深入研究使氧化硅材料在照明领域具有良好的应用前景。

It was found that the porous silicon is composed of nanocrystalline silicon with various sizes and has double layer structure.

结果表明多孔硅是由大小不同的纳晶硅颗粒组成，并具有上小下大的双层结构。

This article analyzes the molecular structure of silane and siloxane, intro- duces the method of selecting proper assistant to form a stable system using inorganic compound, silane and siloxane, and studies its performance and impermeability mechanics in concrete and cement mortar.

通过分析硅烷、硅氧烷的分子结构，选择合适的助剂，将无机化合物与硅烷、硅氧烷组成稳定的体系，研究其在混凝土及水泥砂浆中的性能与抗渗机理。

It is seen from Fig.2 that the H concentration in the SiNx:H decreases upon annealing, however H may also effuse out towards the atmosphere.

经查验后的h分布在结构退火温度高达550 ℃，这是可见的H渗透在Si衬底上是增加相比，以作为沉积样本，因此，这是表示， H是发表对衬底上，无论是直接从A - Si ： H薄膜或从覆氮化硅：每小时它是从图2表示的H浓度在氮化硅： H的跌幅后，退火，但h也可能涌出了对大气中。

In this thesis, on the basis of experimental and theoretical research, we study the factors that lead to low electroluminescence efficiency of PS and the stability of PL in PS.

在本论文中，我们通过理论和实验研究，对造成多孔硅电致发光效率低的原因以及多孔硅的发光稳定性问题进行了一些探索。

Field obserbation and laboratory study indicate the main type of rock alterationwere K-feldsparization, biotitization, sericitization, silication, epidotization,chloritization and carbonatization. From early to late, these alteration could dividedinto three epochs: early-stage was K-feldsparization-biotitization, middle-stage wasquartzification -sericitization, late-stage was silication, carbonatization, epidotizationand chloritization.

通过野外观察及室内研究表明，围岩蚀变类型主要有钾长石化、黑云母化、绢云母化、硅化、绿帘石化、绿泥石化和碳酸盐化，从早至晚可分为三期：早期为钾长石-黑云母化；中期为石英-绢云母化；晚期为硅化、碳酸盐化和绿泥石、绿帘石化。

It was discussed that the main factors having effect on the vulcanization time of RTV block methyl silicone rubber, such as the mol ratio of ethoxyl and silicone hydroxyl, the pH value of methyltriethoxysilane, and the content of iron ions impurity in methyltriethoxysilane, temperature, moisture, and the quantity of catalyst.

讨论了影响甲基嵌段室温硫化硅橡胶硫化时间的主要因素，如：乙氧基与硅羟基的量之比，甲基三乙氧基硅烷低聚物的pH值、铁离子的含量，以及温度、湿度和催化剂的用量等；并介绍了预防和控制这些影响因素的方法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。