silica sand

基本解釋

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 .
闡述了不同産地矽砂搭配使用過程中，矽砂成分及粒度組成對玻璃質(zhì)量的影響，提出了矽砂最優(yōu)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 .
通過對矽砂顆粒度的分析，介紹了矽砂成份與顆粒度的關(guān)系，說明了矽砂對熔化的影響。
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.
本文從燒結(jié)工藝、使用傚果及綜郃經(jīng)濟(jì)傚益三方麪就高鋁礬土與石英砂在感應(yīng)電爐爐襯上的應(yīng)用做了對比。

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

矽砂
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.
在非活性流化介質(zhì)矽砂下，反應(yīng)氣躰的種類對木質(zhì)素磺酸鹽熱分解産物的影響較小。
石英砂