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- Comparison of risk of silicosis in Chinese tin miners, tungsten miners and pottery workers. 中国锡矿、钨矿和瓷厂的矽肺危险度比较。
- The flotation techniques of tungsten minerals and its reagents were reviewed, and their applications were envisaged. 对钨矿物浮选工艺及药剂进行了评述,并对其应用前景进行了展望。
- Tungsten mineralization types in Yaoling zone are divided into quartz vein,greisen,altered granite and placer. 瑶岭钨矿带钨矿成因类型有石英脉(带)型、云英岩型、蚀变花岗岩型和砂矿床。
- The tungsten mineralization is in various types,in which quarz tungsten ore was the major deposit type. 钨矿化类型复杂,其中石英脉型钨矿是主要矿床类型。
- Preliminary discussion of Caledonian granitoids and related tungsten mineralization in west section of northern Qilian Mts. 北祁连西段加里东期花岗岩类与钨成矿作用的关系浅议。
- 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。
- Almost all tungsten miners became bankrupt or were shut down.The main tungsten assets situated at the Northern Caucasia were almost destroyed by low prices and relatively high production costs. 几乎所有的钨矿山企业被迫破产或关闭,位于北高加索地区的主要钨军工企业由于钨产品售价低廉和制造成高走等原因几乎全部陷入绝境。
- In 21 century, the exploration of tungsten minerals is facing new opportunity and challenge, that only by relying on the progress of science_technology constantly initiate the new prospect. 进入21世纪,钨矿地质勘查面临着新的机遇和挑战,必须依靠科技进步与创新,不断开拓地质找矿工作新局面。
- 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。
- 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。
- In this paper, the formation of wastewat-r inconcentrating mills of tungstenic minerals has been described. 本文叙述了钨选厂废水的形成,提出了几种选厂废水回用的可能模式。
- 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 narrowing of a mineral deposit, as in a mine. 减少矿物沉积物的减少,如在煤矿中