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- Keywords Silica sol Gelling course; 硅溶胶;凝胶化过程;
- Keywords Silica sol;Monodisperse system;Uniform particle;Seeded growth; 硅溶胶;二氧化硅;单分散体系;播种生长;
- Keywords silica sol;nanon silicon dioxide;large particle size;preparation; 硅溶胶;纳米二氧化硅;大粒径;制备;
- Keywords Silica sol;ultrafilter concentration;intermediate control methods; 硅溶胶;超滤浓缩;中间控制方法;
- It has excellent effect using Na-bentonite in silica sol slurry to improve its suspension property. 采用钠基膨润土改善硅溶胶涂料的悬浮性,并取得了良好效果。
- Silica Sol is a production of stainless steel, carbon steel, aluminum precision castings manufacturers. 我公司是采用硅溶胶工艺生产不锈钢、碳钢、铝合金精密铸件厂家。
- Silica sol is a kind of colloid solution well dispersing corpuscles of silicon dioxide in water. 硅溶胶是二氧化硅的微粒分散于水中的胶体溶液。
- Silica Sol process used to produce high-quality carbon steel, stainless steel, alloy steel and cast iron materials, such as precision castings. 采用硅溶胶工艺，可生产高质量碳钢、不锈钢、合金钢及铸铁等材质的精密铸件。
- LaNi4.25 Al0.75 coated with porous SiO2 is prepared with colloidal silica sol derived by sol-gel method of tetraethylortho silicate (TEOS). 以原硅酸乙酯(TEOS)为原料;采用溶胶-凝胶法制备TEOS的水解缩聚产物包覆LaNi4.;25Al0
- The study is on synthesis of mullite whiskers by sol-gel method,using industrial alumina sol and silica sol as raw materials. 以工业纯铝溶胶和硅溶胶为原料,采用溶胶-凝胶工艺制备了莫来石晶须。
- It was shown that the yield value of colloidal silica sol slurry was increased and its suspensibility was improved by adding some additives. 试验结果表明,加入添加剂可提高硅溶胶涂料的屈服值,改善涂料的悬浮性;
- The results show that the control effects of silica sol, TEOS and silicate sodium to wheat powdery mildew are 1.02%, 51.36% and 54.08% individually. 结果表明;溶胶态的氧化硅溶胶、分子态的正硅酸乙酯和离子态的硅酸钠对小麦白粉病均有一定的作用效果;防治效果分别为1.;02%25、51
- And it is crucial to increase the diameter of said particle for the preparation of high concentration and low viscosity acidic silica sol. 结果表明,随着二氧化硅粒径的增加,酸性硅溶胶的稳定性及粘度均得到较好的改善,提高纳米二氧化硅的粒径对制备高浓度、粘度的酸性硅溶胶有十分重要的作用。
- The results show that their effect from large to small in turn is PAA-NH4 and gum arabic, PAA-NH4, PAA-NH4 and silica sol, silica sol, gum arabic. 结果表明，分散剂的种类对烧结体的残余气孔率影响较大，其效果由大到小依次为PAA-NH4和阿拉伯树胶＞PAA-NH4>硅溶胶和PAA-NH4>硅溶胶＞阿拉伯树胶;
- A review of preparation principle of gel and sol and preparation method of silica sol and application of gel and sol technique on textiles is surveyed. 综述了溶胶凝胶的制备原理及硅溶胶的制备方法,概述了目前溶胶凝胶技术在纺织品上的应用情况。
- The polishing experiments were presented respectively, in which 5 kinds of dispersants were used,a silica sol was used as the abrasive and H2O2 was used as the oxidizer. 使用5种分散剂,SiO2水溶胶为磨料、H2O2为氧化剂,分别进行抛光实验。
- Keywords silica powder;pycnometer;true density; 硅微粉;比重瓶;真密度;
- Latest researches in FCC catalysts using silica sol as the binder were reviewed,including the properties,features and factors influencing on stability of silica sol. 介绍了以硅溶胶为粘结剂的催化裂化催化剂国内外研究现状,以及硅溶胶的性能、特点和影响硅溶胶稳定性的因素。
- Keywords silica xerogel;preparation;pore structure; 二氧化硅干凝胶;制备;孔结构;
- FCC catalysts using silica sol as the binder features improved selectivity to coke and higher resistance to attrition.strength of the catalysts can be enhanced by adding surf... 含硅粘结剂的催化剂抗磨损能力和焦炭选择性较好,催化剂的强度可以通过添加表面活性剂和铝盐得到改善。
