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- Prevention and Control of Coal Mine Dust 矿井粉尘防治技术探讨
- Self-adapt Method for Multi-parameter Detect of Coal Mine Dust 井下粉尘多参数检测的自适应方法
- Preliminary Discussion on How to Prevent Underground Coal Mine Dust 浅谈煤矿井下粉尘的治理
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- Keywords coal mine dust;dust concentration;metal and metalloid element;coal worker's pneumoconiosis; 煤矿粉尘;粉尘浓度;金属与类金属元素;煤工尘肺;
- Application of comprehensive mine dust prevention and control technology to coal mining face with light weight hydraulic powered supports in Fangezhuang Mine 范各庄矿轻放工作面综合防尘技术应用
- Keywords coal mine dust;admissible level for short-term contact （PC-STEL）;time-weighted average admissible concentration （PC-TWA）;free silica;metal and metalloid element; 关键词煤矿粉尘;瞬时粉尘浓度;呼吸性粉尘浓度;游离二氧化硅;金属与类金属元素;
- coal mining dust 煤尘
- Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
- General bituminous coal mining; Motor freight. 一般烟煤开采；汽车货运。
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
- XUZHOU COAL MINING GROUP CO., LTD. 江苏徐州矿务集团有限公司。
- A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
- Heilongjiang Coal Mining Machinery Group Co. 宣布,已向国有黑龙江煤矿机械集团有限公司。
- Micronucleus test in vicia foba root tips was performed for 10 mine dust tamples. AFB 1 and 15 fungal extracts. 应用蚕豆根尖微核技术对10份矿尘样品、黄曲霉毒素B_1(AFB_1)和15份真菌提取物进行诱变性研究,结果有10份矿尘、AFB_1和5种真菌提取物能明显诱发蚕豆根尖细胞微核率的增高;
- The coal mining area is in the center of the basin. 煤矿区位于盆地的中心。
