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- method of underground mine development 矿山地下开拓方法
- underground mine development 矿山地下开拓
- Application and Development of Filled Stope Mining Method in Underground Mine of BAIYIN Nonferrous Metals Co. 白银公司井下矿山充填采矿方法的应用。
- The PV method is applied to wet injecting system of underground mine and test verification is conducted. 在研制成的“煤矿井下的湿喷作业系统”中应用了“筑峰填谷”法,并进行了试验验证。
- Some experiences on stope roof management in metal underground mine are introduced. 介绍金属地下矿山采场顶板管理的几点经验。
- In the paper,the utilizations on natural energy resources in underground mine ventilation are discussed. 通过实例,对矿井通风中自然能源利用问题进行了分析和论述。
- Greenpeace energy campaigner Ben Pearson interprets the decision as a blockade on the road to new mine development. 绿色和平能源运动负责人皮尔森将此判决视为封锁通往新矿开发的道路。
- The Radio frequency communication irreplaceably makes mobile communication realized in underground mine. 射频通信无可替代地实现了矿山井下的移动通信。
- The result indicates the parameter of underground mine abide by some probability distribution. 结果表明,井下生产的一些参数各服从于某种概率分布。
- Successful operation of this technology provided a new way not only to mirabilite and petroleum production but also to other fluid mine development. 该钻井技术的成功实施不仅为芒硝、石油开采,而且为其它流体矿藏的开采提供一条新的途径。
- This paper describes and discusses the configuration,coorking principle and design methods,etc,of measuring hoper used in underground mine. 论述了井下矿山矿井计量漏斗的结构、工作原理和设计方法等。
- The paper makes qualitative and quantitative analysis on the potential haulage accident in a certain underground mine of Yunnan. 本文采用FTA法对云南省某地下矿可能发生的运输事故作了定性及定量分析。
- From the special anger in mine development, the levy of mine tax is analyzed and the shortcoming in the work and its improving suggestions are presented. 从矿业开发的特殊性角度,分析与论述了矿业税的征收,又特别指出了矿产资源税费征收中存在的不足与改进建议。
- Collapse of stope roofs is one of disasters occurring at underground mines. 矿山采场顶板冒落是地下矿山开采中常见的灾害。
- Historically, Sungai Lembing was a rich and famous town, as the main producer of tin in Pahang.Lembing is the deepest and longest underground mine in the world. 林明镇是个很富有和著名的市镇,因为它是彭亨州的主要锡矿生产区.;林明是世界上最深和最长的地下锡矿。
- Its extracting method includes surface well drilling and underground mine tunnelling.The tunnelling method is suitable for many mine areas in our country. 开发煤层气的方法有地面钻井开采和井巷开采两种,其中井巷开采方法适用于我国许多矿区。
- This paper introduces the financing mode of BOT to mining development for the first time. 简要介绍了BOT融资方式,并首次将BOT融资方式引入矿业领域。
- The new products,new structures,new technicals and new development of drilling equipments,carryscrapers,trucks and auxiliary operation equipments in foreign underground mines are described. 综述了国外井下矿山凿岩设备、铲运机、汽车及辅助作业设备的新产品、新结构、新技术和新发展。
- The prospect and problems of manganese mine resource development in Datian county are analyzed, according to the present situation of manganese mine development, and the countermeasures are presented. 从资源开发利用现状出发,分析了大田锰矿资源开发利用前景,指出了存在问题,并提出了针对性建议。
- At last, the paper introduces the application method of wetting agents to suppress dust in underground mines. 最后介绍了湿润剂在地下开采矿山中的具体应用方法。