硅灰是一种极细的火山灰质的高活性二氧化硅。
Microsilica is a sort of tiny pozzolana with high-active silicon dioxide.
本文介绍的活性二氧化硅的制备及性质实验是为化学专业无机化学实验课而设计的一个综合性实验。
The experiment, the preparation of the active silicon oxide and the test of properties, is designed for the inorganic chemical experiment in Department of Chemistry.
活性矾土、二氧化硅、硅藻土及煤灰对高温烟气中碱金属的脱除都有一定的效果。
Active bauxite, silicon dioxide, diatomaceous earth and ash have been found suitable for alkali removal from hot flue gas in a coal conversion system.
纳米颗粒金和二氧化硅能显著地提高葡萄糖氧化酶的生物活性。
The enzymatic activity of Glucose Oxidase membrane has been enhanced obviously by introduction of nanoparticle of silica and gold.
游离二氧化硅致肺组织纤维化机制十分复杂，涉及多种细胞及生物活性物质参与的炎症反应、免疫反应、异物反应、细胞毒作用等。
The mechanism of fibrosis caused by free silica particles involves a lot of cells and reactions including inflammatory reaction, immunological reaction, foreign body reaction and cell toxic action.
同时，简单的讨论了二氧化硅表面存在的活性中心。
以二氧化硅为起始原料，与乙二醇、氢氧化钾反应，生成高活性的五配位硅钾化合物。
High reactive penta-coordinated organic silicon was prepared via the reaction of silica with ethylene glycol and potassium hydroxide.
以无定型二氧化硅为起始原料，与乙二醇、氢氧化钾反应，生成高反应活性的五配位硅钾化合物；
A highly reactive penta-coordinate organic silicon complex was prepared by the reaction of natural silica with ethylene glycol in the presence of potassium hydroxide.
本文介绍了近年来利用氧化铝、二氧化硅、碳纳米管、表面活性剂、聚合物、生物分子等作模板制备多种物质的纳米结构材料的一些进展。
In this paper, the progress on the preparations of many nano-structured materials with various templates, such as alumina, silicon dioxide, carbon n...
制备了以超细二氧化硅为载体的氰乙基化可溶性蛋白质-钯催化剂，研究了它对三丁基锡氢化物和酰氯化合物偶联反应的催化活性。
Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.
酸浸渣经X-射线衍射和红外光谱分析表明，其主要成分为具有活性的二氧化硅。
The acid leaching residue is studied by X ray diffraction analysis and IR spectrometry and the results show that it mainly consists of active silicon dioxide.
本发明公开了一种化学机械抛光液，其含有溶胶型二氧化硅、速率增助剂、表面活性剂和水。
The invention discloses chemi-mechanical polishing liquid, which comprises a sol type silicon dioxide, a velocity accelerating auxiliary agent, a surfactant and water.
本发明公开了一种化学机械抛光液，其含有溶胶型二氧化硅、速率增助剂、表面活性剂和水。
The invention discloses chemi-mechanical polishing liquid, which comprises a sol type silicon dioxide, a velocity accelerating auxiliary agent, a surfactant and water.
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