Or Quartz Sand的意思|示意

Normally, silicon carbide is produced by heating sand (which is made of quartz, or silicon dioxide) in an electric furnace with carbon made from oil or coal.

通常，硅碳化合物通常由加热的沙子(通常由石英构成，或称二氧化硅)和石油或煤炭中提取的碳放在电气炉内反应而得到。

The phase constituents ofthe slag added with manganese ore or spar and quartz sand are analysed.

对配加锰矿、 萤石、 石英砂的渣进行了相成分分析。

An experiment is made on spouting fluidization of sawdust or the quartz sand -sawdust mixture.

考察了木屑、木屑与石英砂混合物的喷动流化现象。

The matrix is one of river sand, rock wool, quartz sand and vermiculite or the composition of more than one of the substances.

基质是河沙、岩棉、石英砂、蛭石的一种或一种以上组合。