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- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- Containing little silica, as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- Minerals and Chemical products: Mica, Calcined Kaolin, Cenoshperes / Alternative, Perlite, Calcium Carbonate, Silica Fume, Maleic Anhydride, Phthalic Anhydride, Vermiculite. 各种矿产品及化工产品：云母，煅烧高岭土，漂珠/替代品，珍珠岩,碳酸钙，硅微粉，顺酐，苯酐，蛭石。
- It is a compound of aluminum, silica, and fluorine. 它是铝、硅和氟的化合物。
- Containing little silica,as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- Silica is a basic unit in many ceramics. 硅是一种基本的陶瓷制品。
- Hydrophobic silica is the active antifoam agent. 憎水性硅石是一种有效的防泡剂。
- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT与pH值的关系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化学品乙酸酐、麻黄碱等.
- Beneficiation removes clay and silica to considerable extent. 富集操作除去粘土和硅石达到相当高的程度。
- Hexahydro-4-methylphthalic anhydride, mixture of cis an... 询价 六氢-4-甲基邻苯二甲酸酐；
- A variety of silica that contains microcrystalline quartz. 燧石含微小晶状的石英的各种硅石
- A translucent mineral of hydrated silica, often used as a gem. 蛋白石一种非晶质氧化硅，含有明显的变色晕彩，常被用来当作宝石
- Preparation process of colloidal silica coating and compound she. 介绍硅溶胶涂料的配制过程及复合制壳工艺,对使用结果作了简要分析。
- Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker. 向盛有10?蟠姿狒?的烧杯内加入5g二水合物结晶。
- A varietyof silica that contains microcrystalline quartz. 燧石含微小晶状的石英的各种硅石。
- The oxidation rates are fastest in freshly cleaned silica vessels. 在新清洗的二氧化硅容器中，氧化速度是最快的。
- N-phenyl maleimide was synthesized from maleic anhydride and aniline. 摘要以顺酐和苯胺为原料，合成N-苯基马来酰亚胺。
- A translucent mineral of hydrated silica,often used as a gem. 蛋白石一种非晶质氧化硅，含有明显的变色晕彩，常被用来当作宝石
- The kinetics of esterification of linalool with acetic anhydride was studied. 研究了芳樟醇与乙酸酐酯化反应动力学。
