silica-rich zeolite 高硅沸石
fiber silica rich glass optical 含多量硅玻璃光纤
silica-rich glass 高硅氧玻璃
silica-rich melt liquid 富硅质熔体
Waelz slag, to give its technical name, is composed mainly of silica but is also undesirably rich in poisonous metals like lead and zinc. Getting rid of it safely is thus a problem.
用专业术语来说是Waelz渣，它主要由硅酸盐组成，但同样富含不受欢迎的有毒金属物质例如铅锌，所以处理有毒金属就成了个问题。
Large amounts of basalt rich in aluminum oxide were also found, which can trigger an eruption when it collides with silica.
研究人员还发现了富含氧化铝的大量玄武岩，当它们与硅土(二氧化硅)相碰撞时，就可以引发火山爆发。
Our country is very rich in silica raw material, but the comprehensive utilization of resource is not so good, causing unnecessary waste.
我国硅质原料资源十分丰富，但不注意资源的合理利用，就会造成不必要的浪费。
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