您要查找的是不是：
- Keywords tungsten silicic acid;catalylic synthesistacetal（ketal）; 钨硅酸;催化合成;缩醛（酮）;
- With further hydrolysis in the body tissues, silicic acid could be formed. 随着在身体组织里的进一步水解，可以生成硅酸。
- A salt that is derived from both boric acid and silicic acid and occurs naturally in dumortierite. 硼硅酸盐由硼酸和硅酸反应而得的一种盐，存在于自然界蓝线石中
- Suitable for all kinds of glazes, better effect can be made when adding SnO, silicic acid Zr. 适合各种釉,添加氧化锡,硅酸锆更佳。
- The silicic acid dissoluted by diopside precipitate out and coat upon the surface of the un-reacted slag. 透辉石溶解形成的硅酸析出并包裹在未反应的高炉渣表面。
- Silicic acid had no effect on soil pH,ammonium accumulation and the rate of N mineralization. 两种硅肥对施入土壤中氮的去向均无明显影响。
- Alkaline silicic acid gel is used for water control in producing wells and profile control in water injection wells. 碱性硅酸凝胶多用于油井堵水或水井调剂。
- The effect of surfactants on the crvstallization of silicic acid was dis-cussed. 探讨了表面活性剂对硅酸结晶行为的影响，着重讨论了非离子表面活性剂的加速结晶作用。
- Keywords activated silicic acid;flocculant; 活性硅酸;絮凝剂;
- The better result came from 5 mmol/L silicate acid. 束缚水与自由水之比上升；
- Keywords newspaper;hytrated silicic acid; 新闻纸;水合硅酸;助剂;
- Keywords tungsten phosphide （WP）;HDS;HDN;Ni;Co; 磷化钨;加氢脱硫;加氢脱氮;镍;钴;
- The 'reaction of (he spontaneous polymerisation of soluble silicic acid to form colloidal silicic acid was determined to be a second order reaction. 测得可溶硅酸聚合为胶体硅酸的反应是二级反应。
- Keywords tungsten carbide;base;preplant;deposition; 硬质合金;基底;预植入;沉积;
- Based on aluminium sulphate,ferric sulphate and silicic acid,polysilicate aluminium ferric (PSAF) being used as a flocculant has been synthesized. 以硫酸铝、硫酸铁、水玻璃为主要原料,制备了聚合硅酸铝铁(PSAF)絮凝剂。
- Keywords Tungsten ore;Thorium;Spectrophotometry; 钨精矿;钍;光度法;
- The hydrated silicic acid slurry can be prepared through the reaction of wat er-glass and sulfuric acid,water-washing and homogenization treatment. 采用水玻璃和硫酸中和反应，经水洗、均质化处理，制备出水合硅酸料浆。
- Keywords Tungsten filament Carbonize Fracture; 钨丝;碳化;断裂;
- But in the area where the researchers were working natural blooms had already depleted much of the silicic acid, which the diatoms use for shellmaking. 但是，在研究者工作的自然增长的地方已经耗尽了所有的硅酸，而硅酸是硅藻制造壳的主要物质。
- Keywords Tungsten;calcine;ash recovery; 钨;焙烧;收尘;
