Diamond mining deposits, can be said to be a huge, but the work carefully judge. 钻石矿床的开采,可以说是一件规模巨大,却又细心备至的工作。
Discussion on the Problems Existing in and Countermeasures for the Mining of Gypsum Deposits in Shanxi Province 山西省石膏矿床开采中存在的问题及对策
Prediction on Mining Strata Movement for Underground Metal Deposits and the Control Technology 地下金属矿床开采岩层移动预测与控制技术
Combining with the actual situation of China mineral resources exploration, this paper points out that it conforms to china's situation and the development trend of mining industry to strengthen concealed deposits exploration, can help to alleviate the shortage of shortage of China mineral resources. 摘要结合我国矿产资源的勘查实情,认为加强隐伏矿勘查符合我国国情和矿业发展趋势,有利于缓解我国矿产资源紧缺的矛质。
The geology and mining condition of deposits is complicated in Daling Mine, it is one of most difficulty are bodies for mining in China. 大岭矿矿床地质及开采技术条件复杂,是国内有色矿山少有的难采矿体。
By dynamic programming method, authors put forward a decisive method of mining procedure of large surface mining deposits. 提出了一种确定特大型水平、近水平露天矿田开采程序的方法。
The Applied Dynamic Programming in the Decision of Mining Procedure of Large Surface Mining Deposits 用动态规划法确定大型露天矿田开采程序
Ore dilutions in mining of some uranium deposits and their economical analysis 铀矿开采中的矿石贫化及其经济分析
The copper ore will be mined by adit and pass-combined development system. To ensure the safety of simutaneous mining of gold and copper deposits, ore pillar structure with chessboard type frame will be adopted and the rooms and pillars are to be extracted in two steps. 铜矿采用平硐-溜井联合开拓系统,为保证金矿与铜矿同时开采的安全,铜矿采用棋盘式框架矿柱结构,矿房矿柱分二步骤回采。
Calculations of loss and dilution in mining of uranium deposits and their economical evaluation 铀矿开采中损失率和贫化率的计算及降低损失贫化的意义
Several Technical Problems in Deep Mining of Metal Deposits 金属矿床深部开采的几个技术问题
These views provide the basis for ground control and rock failure predict in mining narrow-vein wolframite mineral deposits. 这些观点为脉钨矿床开采的地压控制和地压预报提供了依据。
In the future, the efforts to research and deploy the mining methods, modify and perfect the roof support techniques and improve the mechanization should be made in the mining of gold deposits. 今后在金矿床开采中应致力于新的采矿方法研究和推广应用,改进和完善护顶技术,提高机械化水平。
Groundwater is a principal destructive factor about mine safety in deep mining of deposits. 在矿床深部开采过程中,地下水是危害矿井安全的主要因素。
Application and development of hydromechanical mining method at the tin alluvial deposits in Yunnan Tin Company 水力机械化开采在云南锡业公司砂锡矿床的应用与发展
The mining method with medium-length holes is a high-effective method for mining of large breccia deposits with low-grade ore. 中深孔采矿不失为回采低品位、大规模的角砾岩矿体的一种高效采矿方法。
The test results indicate that this method has the advantages of strong adaptability and good safety conditions when used in mining deposits with multi-mined areas, and is an economic and practical new mining method. 试验研究表明,斜面蹬碴落矿采矿方法用于开采多空区矿体,具有适应性较强、安全条件较好的优点,是一种经济实用的新型采矿方法。
It is significant in prospecting, exploration and mining of uranium deposits. 它对指导找矿、勘探和开采同具重要的现实地质意义。
Study on data mining of uranium deposits on the basis of information fusion 基于信息融合的铀矿床遥感数据挖掘技术
Several transnational uranium industry companies have become the main stockholders of low cost uranium production centers all around the world. Most mining uranium deposits and uranium production centers have centralized in a few countries. 少数跨国铀业公司已成为世界各地低成本铀矿生产中心的主要股东,全球大部分开采中的铀矿床、铀生产中心主要集中在少数几个国家中。
In-situ leach mining of sandstone uranium deposits 疏松砂岩型铀矿原地浸出开采法
Geologic Disaster in Chamber Mining of Manganese Deposits and Its Countermeasures 锰矿房柱法开采地质灾变与防治对策
Based on the solubility, heating effect of solution, phase equilibrium of glauberite and volume expansion of glauberite ore after solution mining, it proves the possibility of adopting the all-solution mining for glauberite deposits. 通过对钙芒硝的溶解度曲线、溶解时的热效应、钙芒硝与水的相平衡,以及经水采后的体积膨胀效应等的描述,认为实现钙芒硝全液相开采是可能的。
Based on the ground behaviour of the gently inclined thin manganese deposit and the intact rock stress, a description is made on features and methods of mining the deposits, and the law and current status of the related underground pressure activities. 以缓倾薄层锰矿床的地层特征、原岩应力等为基础,简述了锰矿床开采技术特征,采矿方法及相应地压活动规律与现状;
Permeation and control of radon and its radiation products in underground mining of uranium deposits 铀矿开采中氡及其子体的渗流与控制
This paper presents the study results of applying computer technology to evaluate quantitatively the techno economic feasibility of in situ leaching mining sandstone uranium deposits. A computer system software have been developed. 砂岩铀矿床地浸开采经济评价系统软件为研究矿床的经济价值,定量地评价地浸开采的技术经济可行性和工艺优化决策提供了方便快捷的技术手段。
The proposals how to widely adopt trackless mining technique for uranium ore deposits in China are presented. 文章对我国铀矿山如何更广泛地采用无轨采矿技术提出了看法和建议。
Spontaneous combustion of sulfide ores is one of the major hazards in safe mining of sulfurous ore deposits. 硫化矿石自燃是硫化矿床开采过程中的重大灾害之一。
With the rapid economic development, a lot of mineral resources are developed. There are a variety of security hazards in the mining process, and a large number of gobs formed by underground mining deposits have been one of the major sources of risk. 随着经济的高速发展,矿产资源被大量的开发,在开采的过程中,形成了各种各样的安全隐患,其中,矿床地下开采形成的大量采空区已经是我国矿山的主要危险源之一。