硅化的

For satisfy carbonating decomposition of Sodium aluminate solutions, desilication procedure is setted up in sintering alumina.Productiont is a vital link in wholly alumina process .

烧结法氧化铝生产为满足碳酸化分解要求而设立的脱硅工序，是整个氧化铝生产工艺流程中至关重要的环节。

The fact that the interface state density at C〓/Si (111) interface is low indicates that C〓 has passivates the Si surface.

低界面态密度的C〓／Si界面的出现，表明C〓膜钝化了硅表面。

Results The SiO2-ZrO2 composites were calcined at 200℃ prior to sulfating, the concentration of sulfuric acid was 1.0 mol/L ,the molar ratio of Si and Zr was 15, the calcination temperature was 500℃, the molar ratio of ethynol and lactic acid is 3/1, the yield of the ester could reach 92.7%.

结果SO4^2-／SiO2-ZrO2固体超强酸催化乳酸乙酯的合成反应适宜的反应条件为：预焙烧温度为200℃，浸泡硫酸浓度为1.0mol／L，硅锆摩尔比为15，焙烧温度为500℃，醇酸比为3时，酯化率可达92.79／6。

A new monomer,4-hexanoxyl-4′-undecylene-[10]-acyloxyazobenzene was synthesized using the main materials:phenol,underlenic acid,1-bromo- n -hexane, p -nitrophenol,thionyl chloride,by the substitution,reduction,couping and diazotization methods.A new polymer was prepared by hydrosilation reaction of poly (methylhy-drosiloxane) with the monomer.

以苯酚、十一烯酸、正溴己烷、对硝基苯酚和二氯亚砜为主要原料，通过取代、还原、重氮化和偶合等反应，合成了一种新的液晶单体 4-己氧基-4′-十一烯-[10]-酰氧基偶氮苯，并与聚通过硅氢加成生成一种新的高分子液晶。

On the premise of meeting the industrial access requirements, in accordance with the policy of "opening large ones, closing small ones and eliminating backward ones", make renovation and upgrading in production of iron alloy, calcium carbide and industrial silicon, endeavor to install large scale, clean and modern processing equipment.

在满足行业准入条件的前提下，按照&上大关小、淘汰落后&的方针，改造升级铁合金、电石、工业硅等，实现工艺装置大型化、清洁化、现代化。

(1) FFN is a good vector for gene transfection, it can successfully transfect the gene into target cells.

（1）氨基硅烷化Fe3O4纳米颗粒是良好的基因转运载体，可将外源性基因成功的转入靶细胞。

Te burning synthesis process of nitride is suitable mainly for preparing beta-SiN.

本发明属于燃烧合成氮化物的生产方法，主要适用于β-氮化硅的燃烧合成。

Microstructure-evolution of the silicon nitride ceramics sample during sintering process was investigated by a synchrotron radiation X-ray computed tomography technique. The projection images of the sample were obtained during the sintering process in real-time. 2-D and 3-D reconstructed images were obtained by treating the projection images of different sintering periods with filter back projection arithmetic and digital image processing methods.

利用同步辐射CT技术，在氮化硅陶瓷样品烧结过程中对其进行实时投影成像，并应用滤波反投影算法和数字图像处理技术，得到了样品在整个烧结过程中内部微结构演化的二维和三维重建图像，实现了对陶瓷固相烧结过程实时、无损的观测。

Chitosansilica hybrid beadsbearing with metal ion chelating group was prepared by solgel method and microemulsion technique. The condition for the preparation of CSHB, as well as its structure and morphology were investigated.

采用溶胶凝胶及微乳液技术制备了以壳聚糖硅基杂化材料为骨架并带有金属离子螯合官能团的球形基质，并对该基质的制备条件及结构形貌进行了研究与表征。

The novel molecular topological index was recommendedrelating to such atomic properties as electronegativity,electron number of valence shell,number of bonding electrons,the main quantum number of valence shell and bond length.

采用该拓扑指数对饱和烷烃、烷基苯、烷氧氯硅烷、卤代苯、含氮杂环化合物、碱金属卤化物及卤化锡的性质/活性进行了相关关系的研究。

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。