贫矿

结果表明，掺入稀土贫矿有利于改善水泥熟料的岩相结构，同时增加了A矿中Al2O3、Fe2O3的固溶量；

The results reveal tha the added rare - earth lean ore is helpful to improve the petrographic structure of cement clinker and increase the solid solution of Al2O3 、 Fe2O3 in alite ;

金川贫矿区自然崩落法采场底部结构的稳定性

Base Stability of Jingchuan Lean Ore Area Mining by Natural Caving Method

X射线荧光光谱分析中经验系数的求取及其在镍矿贫矿分析中的应用

Evaluation of Empirical Coefficients in Analysis of Poor Nickel Ores by X-ray Fluorescence Spectrometry

因子分析结果表明，富矿类型的网状矿石与贫矿类型的星点状矿石的Ni，Cu矿化期存在着明显的差异性；

The results of factor analysis show distinct differences for different mineralization stages between the stockwork type ores and the spotted ores .

采用SEM、EDAX、OM等分析测试方法，研究了稀土贫矿掺加条件下，水泥熟料的岩相结构及其微区化学组成。

By means of SEM 、 EDAX and OM , the petrographic structure and microscopic chemical composition of cement clinker have been researched by adding rare-earth lean ore .

贫矿粗粒预选新工艺的研究

Study on a new process for pre-concentration of coarse lean ore

稀土贫矿对水泥熟料性能的影响

The influences of lean rare-earth ores on the properties of cement clinker

金川镍贫矿资源综合利用的意义

Significance of Comprehensive Utilization of Ni Lean Ore Resource in Jinchuan Mine

露天油母页岩贫矿排土场上建筑物的地基处理

Building Foundation Hanling of the Open Air Oil Shale Poor Mineral Dumping Site

3贫矿多，富矿少；

More poor ores and less rich ores .

堆浸法从剥离贫矿石中提取黄金的工业试验

A commercial-scale trial of gold extraction from stripped barren ore by heap leaching process

金川二矿区贫矿石弱酸性介质选矿工艺试验研究

Test Study on Weak-acidic Medium Mineral Processing of Low-grade Ore in Jinchuan No.2 Mining Area

金川二矿贫矿开采充填设计优化及数值分析

Optimization Design and Numerical Analysis of Excavating-filling Engineering for Lean Ore in Jinchuan No.2 Minefield

用原地溶浸采矿回收西部贫矿资源的关键技术研究

A key technical study on recovering resources from western low grade ore by means of in-situ leaching mining

我国矿产资源的特点是贫矿多，富矿少；

Mineral resources in China have the next characteristics : there are many lean ore and few rich ore ;

溶浸采矿是从贫矿、残矿、废石堆、尾矿中提取金的一种行之有效的方法。

Solution mining is a available method to extract gold from lean ore , relic , waste dumps and tailings .

金川公司龙首矿西采区贫矿开采研究，关系到贫矿开采能否可行，是金川做大做强的关键之一。

Description is made of the development and utilization of Ni lean ore resource and mine production in Jinchuan Mine .

金川二矿贫矿工程地质与水文地质调查研究

The Engineering Geology and Hydrogeology Investigations of the Lean Ore Zone in the NO.2 Mining District of Jinchuan Non-ferrous Metals Corporation

本文对攀钢矿业公司的表外矿、极贫矿综合利用试验研究工作进行了总结、分析，并对今后的研究工作提出了一些思路。

Summarized and analysis the experimental investigations of comprehensive utilization for resistant sheet ore and extra poor ore and issued some proposal .

介绍了用堆浸法从剥离贫矿石中回收黄金的工业试验条件及结果。

The conditions and result of a commercial scale trial of gold extraction from stripped barren ore by heap leaching process are reported .

我国大宗贫矿资源利用潜力巨大，贫矿资源利用是保障资源安全的必然选择。

There are huge potential in utilization of lean ore in China , and utilization of lean ore is an inevitable choice for guaranteeing resources safety .

海钢北山贫矿有用铁矿物主要是赤铁矿和部分磁铁矿。

The valuable minerals included in the poor iron ores of BeiShan Mine of Hainan Iron and Steel Company ( HISC ) are mainly hematite and magnetite .

试验获得了成功，各项技术经济指标达到了国内先进水平，为开发利用低品位贫矿提供了参考。

This experiment was successful and various technical and economic indexes had reached domestic advanced level such as to provide reference for the use of low grade ore.

前言：堆浸提金技术处理含金的大量贫矿、老矿山尾矿及早期金矿采出的“废石”，有其基建投资少、建设速度快、成本低的优点。

The technique in refining gold can handle a large number of gold-bearing lower-grand ore , the tailings in the mines and the early exploited " waste ores " .

金川集团公司是我国主要镍生产商，拥有大量镍贫矿资源，用目前的选冶流程开发利用不经济。

Jinchuan Group Company Ltd ( JNMC ) is the biggest nickel producer in China , and has abundance of nickel lean ore , which is unprofitable using conventional processing route .

当前，我国金矿资源的特点是富矿、易处理矿日益减少或枯竭，复杂矿石、难处理矿石和贫矿多。

At present , gold resources in China is characterized by that the rich mine and manageable ore are becoming scarcer while complex ore , refractory ore and lean ore increasing .

凡口矿区中生代晚期热事件的加热和保温层的覆盖，使得早期贫矿体经历退火静态重结晶作用，使贫矿体向内部收缩和圆化呈截然边界，总体演变成为高品位的超大型铅锌矿床。

Heated by the late Mesozoic thermal event and covered by thermal insulation beds , the early low-grade ore bodies underwent an annealing static recrystallization , and became a high-grade superlarge lead-zinc ore deposit .

山西省铝土矿资源十分丰富，但由于80%以上为贫矿，故生产成本高，缺乏竞争力。

Shanxi Province is rich in the resources of beauxite . But because 80 % of it is low-grade ore , its production cost is high , being short of competitive power in the market .

采用三维有限元弹塑性数值模拟方法，分析金川贫矿区高应力破碎岩体自然崩落法开采过程中底部结构的稳定性。

The stability of the base structure for the fracture rock-mass of great stress area in Jinchuan lean ore area mining by natural caving process is analyzed by the three-dimensional elastic-plasticity finite element numerical analogy .

已探明储量600多亿吨，矿石平均含铁33%，贫矿占97%。

The total proven reserves is 60000 million ton with average grade of 33 % and is dominated by poor ore that accounts for 97 % of the total and the minable is 11000 million ton .