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mining district短语¹³¹⁶²⁰⁺³ 基本例句 矿山管区,采区,采矿区 A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods. 建造防水闸门硐室,进行水平、采区上下组煤隔离,是预防水患普遍采用的方法。 pdf8 A primary programme of ventilation for the deep part of east mining district, which is instructive to the practice. 并对今后东部矿区深部采矿综合通风系统提出初步方案,有现实指导意义。 chemyq Based on the above results primary overprinting geochemical halo model was established in 1997 and the model is being used to direct ore prediction in the mining district. 1997年继续研究和建立了新城金矿床的原生叠加晕模式,并用模式进行了预测。 chemyq The Errengou section of Zhuanmiao boron mining district is a large boron deposit, with mainly water- filling stratum of the water-bearing fissure and moderate hydrologic condition. 砖庙硼矿区二人沟矿段是以裂隙含水层充水为主、水文地质条件中等的大型矿床。 cnki The environmental geological study is of importance in the Zijinshan mining district, Fujian Province. 环境地质问题是紫金山矿区面临的一个重要课题。 chemyq The finite element inverse-operation analysis has sketched out the overall outline of the rock mass stress field of the mining district. 有限元反演分析勾画出了矿区岩体应力场的整体轮廓。 cnki The geological setting of the mining district, deflection regularity of holes drilled and effectiveness of hole deflection rectification are introduced in this paper. 文章介绍了施工区地质概况;总结了钻孔弯曲规律和治斜效果; cnki The paper also discusses the method of determining the parameters, and gives the experimental formulas of predicting the parameters of strike profile in pinging-shan Mining District. 讨论了参数的求取方法,给出了平顶山矿区走向剖面各参数的经验公式; cnki Through deep procession of hand sorting, water washing or blending the quality of ball clay from Dakouqin mining district is much improved, more homogeneity and stable and the usage becomes wider. 经手选,水洗或掺料、深加工后,质量明显提高,并始终保持均匀稳定,用途更广。 cnki A good example for the Middle Ages and thereafter was the silver, lead, and copper mining district of the Harz Mountains in northeastern Germany. 一个很好的例子为中世纪并在其后的是银,铅,铜采区的哈尔茨山脉东北德国。 syyxw.com According to fracturing mechanism of shaft wall in mining district such asHuaibei, Datun, Xuzhou, etc. , analysed the shortcomings of reinforced methods of U-iron shaft ring and grouting; 根据淮北、大屯、徐州等矿区井壁破裂机理,分析了槽钢井圈加固法和注浆加固法的缺点; cnki As an old mining district with one hundred years ago history, the disorder stack of waste rock undoubtedly becomes one kind of geological hazard. 作为己有百余年生产历史的老矿区,煤研石的无序堆放势必成为一种主要的地质灾害。 chemyq By using visual tools of JDI the relative convergence area of seismic events in initial mining district is delineated combining with the causes according to practical mining underground. 利用可视化工具 JDI对事件的相对集中区域进行圈定,并与井下生产活动相结合,分析原因; rockmech Since1992, the high resolution seismic explorations of working areas have been conducted successively in various mine shafts of Yongxia mining district. 1992年以来,永夏矿区各矿井相继进行了采区高分辨地震勘探。 dictall Systematic researches on the supporting design for the breaking cavern in No.3 Mining District of Jinchuan are conducted, and some valuable achievements are obtained. 针对金川三矿区破碎硐室进行了较系统的支护设计研究,得到了一些有价值的成果。 cgejournal The Enterprise of Independent Industrial and mining District EIIMD for short has taken great function in the economic development and industrialization of our country. 独立工矿区企业,在我国经济发展和工业化道路上发挥了巨大的作用,成为我国工业发展的重要组成部分。 dictall The Naipiao District is a typical mining district, serious soil erosion has severely restricted the sustainable development of the regional economy. 南票区是典型的矿区,水土流失严重,已经严重制约了全区社会和国民经济的可持续发展。 chinaqking The occurrence characteristics of shallow coal seams around the Shigetai and Daliuta in Shenbei mining district are discussed and their influence factors are analyzed. 本文论述了神北矿区石圪台至大柳塔一带浅部煤厚变化特征,分析了其影响因素。 chemyq The land in coal mining district is a kind of nationalized land. 矿区地价的评估方法不同于一般城镇地价的估算。 cnki The method of plate and shall large deformation rotation analysis is used in Wangying coal mining district, Fuxin area to predict faults and fractures in coal seams. 用板壳大变形理论转动角计算方法,对阜新矿区王营井田煤层大变形断裂和破裂带进行分析和预测。 cnki The productive galleries at various positions and levels in Zhuanmiao mining district are characteristic of having aquifers of low water-richness. 根据矿区具备多处位置、水平不同的生产坑道和含水层富水性弱等实际情况。 chemyq |