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- 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。
- 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。
- 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。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏,包括黄金。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- A translucent mineral of hydrated silica, often used as a gem. 蛋白石一种非晶质氧化硅,含有明显的变色晕彩,常被用来当作宝石
- 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。
- Those countries are rich in mineral resources. 那些国家矿物资源很丰富。
- We are digging for mineral deposits. 我们正在掘地探矿。
- Each mineral has crystals of a particular shape. 每种矿物的晶体都有其特殊的形状。
- I think it is dangerous to be a miner. 我认为当矿工是很危险的。
- A translucent mineral of hydrated silica,often used as a gem. 蛋白石一种非晶质氧化硅,含有明显的变色晕彩,常被用来当作宝石
- A narrowing of a mineral deposit, as in a mine. 减少矿物沉积物的减少,如在煤矿中
- An actual or probable mineral deposit. 矿石,矿藏确实的或可能的矿藏
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。