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- Assessnent of risk for tin mine dust in Guangxi 广西锡矿矿尘致矽肺的危险度评价
- Tin mine dust 矿粉
- As time passed by, the tin mine ran out and "Youxi" was changedto "Wuxi". 天长日久，锡矿挖完了，"有锡"便改成了"无锡"。
- 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 boys went exploring in some disused workings,eg the shafts of an old tin mine. 那些男孩子到一些废弃的矿坑去探险（如旧锡矿的竖坑中）。
- The boys went exploring in some disused workings, eg the shafts of an old tin mine. 那些男孩子到一些废弃的矿坑去探险（如旧锡矿的竖坑中）.
- The interlayer oxidized ore deposit in Gejiu tin mine is a high grade deposit of great value for industry use. 个旧锡矿层间氧化矿床品位高、工业利用价值大,加强这类矿床地质特征的研究,对于矿山深部及外围的锡矿找矿具有重要的指导意义。
- In the beginning of the nineteenth century, Hakkas had already come to Malaya, work in the Tin mine there. 早在19世纪初,客家人就已经进入马来半岛,从事锡矿开采业,历尽千辛万苦,为马来亚锡矿业的发展做出巨大贡献。
- The first use of cemented fragmental rock filling in China was conducted atTongkeng tin mine operated by Dachang Mine Bureau. 大厂铜坑锡矿在国内率先使用块石砂浆胶结充填法。
- An example of applica-tion of this methed to the analysis of stope roof collapse mechanism in Laochang Tin Mine is given. 该法在老厂锡矿的应用较好地解释了该矿采场顶板的冒落机理。
- According to the division of Laochang tin mine"s safety appraisement unit, the author has established the appraisable factor collection. 根据老厂锡矿安全评价单元的划分，建立了评判的因素集。
- Tin mining had left the peninsula rather like the craters of the moon. 锡矿的开发使这半岛城市搞得坑坑洼洼，配似月球坑地。
- The cause of mine pollar destructionin in Dachang Tongkeng Tin Mine was analyzed from observation by photoelastic stressmeter embedded in mine stope 570. 通过对埋设于570中段光弹性应力计的观测，分析了该中段矿柱破坏的情况及原因。
- ZHOU Xiao-pin,SUN Yun-lun,ZHANG Yong-xing,et al.Numerical analysis of the surrounding rock mass stability in dachnag tongking tin mine[J].Underground Space,2000,20(4):290-293. [7]周小平;孙运轮;张永兴;等.;大厂铜坑矿细脉带采场围岩稳定性数值分析[J]
- In this paper, Vegetation Index is calculated from hyperspectral remote sensing data and is used to estimate the effect in the tailing of Gejiu tin mine. 本文采用高光谱遥感数据计算植被指数，进而反演叶绿素含量和物种数量，对云南个旧锡矿尾矿的生态恢复效果进行评价。
- Prevention and Control of Coal Mine Dust 矿井粉尘防治技术探讨
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- Development of a New Mine Dust Collector 新型矿用除尘器的研究
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- We once worked a tin mine here. 我们有一次在这里办了一个锡矿。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
