silica sand

基本解释

This paper describes the effect of composition and granularity of silica sand on glass quality . brings forward optimal mix proportion of silica sand from various ore-fields .
阐述了不同产地硅砂搭配使用过程中，硅砂成分及粒度组成对玻璃质量的影响，提出了硅砂最优化搭配方案。
The dependence of silica sand composition on its granularity is discussed through analysis of its grain distribution and the effect of granularity or composition on melt is al so pointed out .
通过对硅砂颗粒度的分析，介绍了硅砂成份与颗粒度的关系，说明了硅砂对熔化的影响。
There are three respects of contrast between high alumina and silica sand in using for induction furnace Lining. They are the sintering technology, the using effect and the synthetic economic results.
本文从烧结工艺、使用效果及综合经济效益三方面就高铝矾土与石英砂在感应电炉炉衬上的应用做了对比。

Obsidian is a kind of black glass formed when the heat of a volcano melts the silica material in sand.

The company is the second largest producer of commercial silica, which is a sand-like substance used in fracking as well as glass making and chemical manufacturing.
FORBES: Frackers Drilling for IPO Dollars
U.S. Silica projects that demand for its fracking sand will increase 15% by 2015.
FORBES: Frackers Drilling for IPO Dollars

硅砂
In the case of the inert media silica sand, the yield and the distribution of the pyrolysis products were almost unchanged under the different kind of atmosphere.
在非活性流化介质硅砂下，反应气体的种类对木质素磺酸盐热分解产物的影响较小。
石英砂