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- cryptocrystalline silicas 隐晶二氧化硅
- 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
- 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。
- 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。
- 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。
- A varietyof silica that contains microcrystalline quartz. 燧石含微小晶状的石英的各种硅石。
- Chalcedonies include many types of cryptocrystalline quartz gems and feature a number of different colors. 玉髓包括很多类型的隐晶的石英宝石和具有不同的颜色。
- 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。
- An opaque cryptocrystalline variety of quartz that may be red, yellow, or brown. 碧玉,水苍玉一种颜色可为红色、黄色或褐色的不透明的隐晶体石英
- 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 internal structure of silica has a pyramid(tetrahedron) unit. 硅的内部结构是一个四面体。
- Products wanted: Silica sand, calcite and rice husk ash. 需要货品:二氧化硅沙、方解石及米壳/灰。
- The silica based DNA came from the Pleiades and Orion Star Systems. 硅基DNA来自昴宿星及猎户星系。
- A new compound floatation agent for graphite has been developed, which is very effective on the floatation of cryptocrystalline graphite. 研制了一种对难于浮选的隐晶质石墨有良好浮选效果的新的复合型石墨浮选剂。