quartz powder

基本解释

The method of on line measurement and control of quartz powder purity was introduced.
主要介绍了生产线上对石英粉纯度实施检测与调控的技术路线和方法。
The high cycle rate of the valves, and the abrasive nature of the quartz powder require an abrasion resistant valve that will last.
由于阀门使用的高频率，以及石英粉末的研磨特性，都要求耐磨性很高的阀门才经受得起。
Objective To investigate occupational hazard status on a small scale quartz powder processing services and the measures of management.
目的探讨小型石英粉加工行业的职业病危害状况和治理经验。

"But if you look at it carefully, you find that granite contains quartz, and quartz when its ground to a fine powder and inhaled, can cause silicosis."