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- Prospecting metal mine goafs by Rayleigh wave method is introduced. 介绍用瑞雷波法检测金属矿山采空区。
- Rich mineral resources, granite, tuff, 15 kinds of marble, and other non-metallic mineral and metal mining. 矿产资源丰富，有花岗石、凝灰岩、大理石等15种非金属矿和金属矿。
- Dexing Copper Mine in Jiangxi province is the biggest open-pit non-ferrous metal mine in China,and it is a porphyry copper deposit. 江西德兴铜矿是我国最大的有色露天金属矿,属斑岩型铜矿山。
- Now researches of 4D application are on probing phases theoretically in land reclamation of metal mine. 目前4D在金属矿山土地复垦中的应用研究在理论上处于探索阶段。
- Nonferrous metal mineral resources are limited and non-renewable resources, and the lifeblood of the nonferrous metal mining enterprises. 摘要有色金属矿产资源是不可再生的有限资源，也是有色金属矿业企业的生存命脉。
- The mining subsidence mechanism of metal mine with fractured blocky rock mass is different from that of coal mine with layered rock mass. 摘要金属矿山多为裂隙发育的块状岩体，因而开采引起的地表沉陷机制不同于层状地层的煤矿。
- Through a case study in the Dexing Copper Mine of Jiangxi Province, some useful conclusions have been drawn about metal mine pollution. 通过热红外遥感影像对德兴铜矿的地面热污染状况进行研究，为金属矿山热污染的治理提供帮助。
- The source of competition superiority of China's metal mining and its status quo are analyzed using Porter's diamond model, and its competition superiority model is constructed. 用波特的钻石体系模型分析成本上升背景下我国金属矿业获得竞争优势的来源与现状,构建了金属矿业的竞争优势模型。
- HU Ji-ping.A case study of modern underground mining methods (IV):sublevel open stoping with draw points on footwall [J].Foreign Metal Mining Magazine,1990(9):40-43. [4]胡际平.;现代地下矿山采矿方法典型实例 (八)--下盘漏斗分段空场采矿法[J]
- As the first successful introduction of natural caving method in domestic nonferrous metal mine,Tongkuangyu Mine increases production capacity and reduces production costs. 铜矿峪矿作为国内第一个成功引进自然崩落法技术的有色金属矿山,提高了矿山生产能力,降低了生产成本。
- The idea is put forward that 4D is applied to the whole process of tailing depot reclamation in metal mine, and then application methods are expatiated. 提出了4D应用于金属矿山尾矿库复垦全过程的设想,并对其应用方法做了阐述。
- KT series fans are widely used in air-conditioning system, air-purifying units and building ventilation applications. FB offer ideal solutions for coal, metal mine ventilation applications. KT系列离心通风机广泛应用于空调机组、空气净化除尘、建筑物通风等场所。FB系列矿用防爆轴流通风机主要用于煤矿、金属矿山等地面主通风及井下局部通风。
- Taking Xincheng Gold Mine as the example, the law of ground stress of metal mines and the optimization of mining design for underground mines are presented. 以新城金矿为实例,介绍了金属矿山地应力的规律性及地下矿山采矿设计优化方法;
- This machine is mainly suitable in the small coal mine makes the ground with to extract the type to ventilate, may also take the general metal mine, the tunnel, the subway and the draft equipment. 该机主要适用于小型煤矿作地面用抽出式通风，也可作为一般金属矿山、隧道、地铁和通风设备。该产品外壳材料可根据用户要求采用钢材或复合材料（玻璃钢）。
- The block theory is applied in the key block identification in metal mines to find out the law of the orebody overburden destruction and movement. 将块体理论应用到金属矿山关键块体的辨识,用来解决金属矿矿体覆岩破坏与移动规律。
- They dispose of 0.5 millon tons ores every year in Shizhuyuan Nonferrous Metals Mine,according to these amount... 按柿竹园矿年处理50万t矿石量计算,每年至少可为企业创造100万元以上的直接经济效益。
- Raising bench height is an important problem concerning the development of production and technique in the open-pit metal mines in the country. 提高露天矿台阶高度,是关系我国露天金属矿山,特别是大型露天矿生产和技术发展的一个十分重要的问题。
- But a number of nonferrous metal mines are short of the mineral resource as a result of exploit long term,for example,tin ore. 但经过长期的开采,我国多数有色金属矿山企业资源不足或严重不足,锡多金属矿就是其中的代表。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- The surface of the wasteland(such as tailings reservoir) discarded by metal mines after mining can form an extremely worse ecological environment,which needs to be restored. 金属矿山开采后的废弃地(如尾矿库)表面形成极端的生态环境,需要进行生态恢复。
- 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
