• 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.

    通常化合物通常加热沙子(通常石英构成二氧化硅)石油煤炭中提取的放在电气内反应而得到

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

    锰矿萤石石英砂进行了成分分析

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  • 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化现象。

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

    基质河沙石英砂蛭石一种以上组合

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

    基质河沙石英砂蛭石一种以上组合

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