单词：silica
音标：['silikә] ；
n. 硅石, 二氧化硅
[化] 二氧化硅
[化] 二氧化硅
n. a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
词型变化：名词复数形式 : silicas
考试类型：[托福]
考试类型：[托福]
词性分布：
silica的用法和样例：
例句
用作名词(n.)
- Silica, in fact, is a desirable impurity because it is one of the reactants.硅石实际上是一种有用的杂质，因为它是一种反应剂。
- Our company has our own silia stone moutain and silica powder producing plant.我公司有自己的硅石矿山和硅石粉加工厂。
- The government sets up new health standard for respirable silica dust in the air of workplace.政府出台了新的工作场所空气呼吸性矽尘卫生标准。
词汇搭配
- silica gel硅胶
- silica glass石英玻璃,硅玻璃,二...
- free silica游离二氧化硅...
- silica brick硅砖,石英砖...
- cellular silica蜂窝状硅胶
- colloid silica胶质硅石
- silica deposit二氧化硅沉积...
- active silica活性二氧化硅...
- silica cement硅土水,泥砂浆...
- silica sand石英砂
- fused silica熔融石英
- colloidal silica硅胶,胶体氧化硅...
- amorphous silica非定晶硅,无定形硅石...
- silica refractory硅质耐火材料...
- silica content硅含量
- vitreous silica玻璃状石英,流态硅土...
- silica sol硅溶胶
- crystalline silica结晶二氧化硅,石英...
- activated silica活性硅,活性硅土...
- silica wool石英棉
【近义词】
- silicon dioxide[化]二氧化硅...
- silicon oxide二氧化硅
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