1.
It is thought that deposits in the Tongchang orefield are composite type deposits of parity, poly-period, poly-stage, poly-soure and poly-genesis.
认为铜厂矿田矿床为同位多期—多矿化阶段—多来源的多因复成矿床。
2.
APPLICATION OF MICRO STAGE GRINDING TECHNOLOGY IN ANQING COPER MINE
微阶段化磨矿技术在安庆铜矿的应用
3.
Optimization of parameters when practising multi unit and muti step stage room mining method
多单元多步骤阶段矿房采矿法参数优化
4.
Among them, the gold-arsenomarcasite-quartz stage and the gold-stylotyp-polymetallic sulfide stage are the major gold-forming stages.
其中,金毒砂石英阶段和金黝铜矿多金属硫化物阶段为主要金成矿阶段。
5.
Discussion on Anti-sulfuration Dust Explosion Measurement in Multicell and Multi-process Phase Mining
多单元多步骤阶段矿房采矿法防硫化矿尘爆炸措施的探讨
6.
Transportation of the Industrial Experiment Tailings in Step Grinding and Concentrating Process
阶段磨矿阶段选别工艺工业试验尾矿的输送
7.
Application of Micro-stage Grinding Technique in Copper Mine
微阶段磨矿技术在铜矿山的应用研究
8.
The quartz-barite-calcite stage is main matallogenesis.
其中方解石—石英—重晶石阶段为成矿主要阶段。
9.
Thehardening curve can be divided into three stages, i. e. first, rapid-hardening andsaturated stage.
循环硬化曲线可以分成三个阶段:初始阶段、速硬化阶段和饱和阶段。
10.
The Application of Digital Simulating Method in the Optimization on Mining System Design of Block Stoping;
阶段空场法采矿系统设计优化的数值分析方法及应用
11.
Soil Organic Carbon Mineralization of Subalpine Spruce Plantation in Western Sichuan Province
川西亚高山不同阶段人工林土壤有机碳矿化初步研究
12.
A Study on Metallogenic Episodes and Metallogenic Stages of Dongping Gold Deposit, Northwest Hebei Province
冀西北东坪金矿床的成矿期次及成矿阶段研究
13.
On such a basis, the author has established the model for applying geophsical and geochemical techniques to different stages of prospecting for interstratified oxidation zone sandstone type uranium deposits.
在此基础上，建立了不同阶段物化探方法寻找层间氧化带砂岩型铀矿的找矿模式。
14.
the last phase is to internationalize the gold market of our country.
第三阶段是我国黄金市场国际化阶段。
15.
On Application of Sublevel Drilling and Stope Mining Method in Mining Thin Lode of Shouyun Iron Mine
分段凿岩阶段矿房法在首云铁矿薄矿脉开采中的应用研究
16.
THE HIGH BENCH LONG HOLE MINING IN ANQING UNDERGROUND COPPER MINE
安庆铜矿高阶段大直径深孔采矿法实施方案
17.
Discussion on Mine Construction Investment Control at the Stage of Completion Settlement in Xinqiao Coal Mine
新桥矿矿井建设中竣工结算阶段投资控制探讨
18.
Distribution structure and parameter determination of medium-length holes in stage room mining method
阶段矿房采矿法中深孔布置结构及参数的确定