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- 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。
- 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。
- In crater retreat blasting at underground mines,each largediameter hole will be used time and again. 地下矿山大直径深孔分层装药爆破时,每个炮孔要分段多次利用。
- On the survey basis, the productivity and unit operating cost of LHD used in some underground mines in China are generally reviewed. 作者在调查研究的基础上,论述了铲运机在我国地下矿山的生产能力和作业成本。
- Through changing the configuration of the earth's surface and debasing the soil quality,land has been badly damaged in underground mines. 通过改变地表形态和降低土壤质量,井工煤矿生产对土地产生比较严重破坏。
- The land subsidence caused by abandoned underground mines has been a kind of typical geological disaster and influenced troublefree operation of engineering construction severely. 由废弃的地下采空区引起的地面沉陷,已成为一种典型的地质灾害,严重影响工程建设的顺利进行。
- 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。
- 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。
- 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。
- 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。
- 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。
- Series KY underground rotaty rig designed and developed according to the conditions of China's underground mines has the modular structure,thus it is mobie in maneuver and easy in operation. 根据我国地下矿山的情况,设计、研制的KY系列地下牙轮钻机具有分体结构。因而,机动灵活,操作方便。
- 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。
- The mined-out area due to underground mining is one of the main risk sources of mines. 地下开采留下的大量采空区是影响矿山安全生产最主要的危险源之一。
- All-orientation detection in underground mines can be implemented by uncoplanarity coaxial off-set loops,coplanarity coaxial off-set loops,or central loops in PROTEM-47 system made in Canada. 采用加拿大产PROTEM-47瞬变电磁系统,通过不共面同轴偶极方式、共面偶极方式或者中心方式布置线圈实现了井下全方位探查。
- I think your plans will chime in with mine. 我想你的计划会同我的相吻合。