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- The sample of zinc mineral is difficult to select, while the main factor is the interference between the easy-floating silica minerals and sulfurous iron ore. 试样锌矿物难选的主要因素为易浮硅质矿物和硫铁矿的于扰。
- Silicosis: Common pneumoconiosis caused by long-term inhalation of silica mineral dust. 硅肺: 因长期吸入二氧化硅而造成的肺尘埃沉着
- So the research of producing the high pure quartz with the silica mineral substitutes for natural quartz is imminent. 本文综述了国内外硅石矿物原料替代天然水晶生产高纯石英砂的研究现状;
- Translucent, semiprecious variety of the silica mineral chalcedony that owes its red to reddish brown color to the incorporation of small amounts of iron oxide. 二氧化矽矿物玉髓的半透明、次宝石变种。由于存在分散的胶体赤铁矿（氧化铁）故呈红色到红褐色或肉红色。
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- The country is poor in minerals. 这个国家矿物不丰富。
- Soft drinks and minerals sold here. 此处出售软饮料和矿泉水。
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- Rocks and minerals are inorganic. 岩石和矿物都是无机物。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- The gold miner staked out his claim. 那位淘金者立桩标出他的地界。
- He sketched the coal miner in a few minutes. 他几分钟就画了一幅那位煤矿工人的素描。
- I think it is dangerous to be a miner. 我认为当矿工是很危险的。
- Plants draw minerals and other nutrients from the soil. 植物从泥土中吸收矿物质和其他养料。
- The steel worker come out in sympathy with the miner. 钢铁工人为声援矿工举行了罢工。
- China has a wealth of coal, iron and other minerals. 中国有丰富的煤、铁和其它矿产资源。
- silica minerals 硅氧矿物
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- Coal, oil and minerals are the raw materials of industry. 煤、 石油和矿产品都是工业原料。
- Containing little silica, as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
