Development and change of the process flow to treat gold-bearing lean sulphide ore

1、

Effective Way to Raise Beneficiation Result of Extremely Lean Magnetite Ore

提高极贫磁铁矿石选矿效果的有效途径

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2、

Study on Extraction of Aluminum Oxide from Lean Alumina Ore by Ecological Disposal Method

生态处理贫铝矾土提取氧化铝的试验研究

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3、

Status Quo of Utilization Technology for Extremely Lean Iron Ore Resources and Its Development Trends

超贫铁矿资源化利用技术现状及发展趋势

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4、

In addition to the partial lean ore, the en-block rock strength is higher. But the rock will be softened encountering with water, which results in the expansion of internal stress and the intensity decline.

该矿区除部分贫矿岩外，单块岩石强度均较高，但矿岩遇水将会软化，内部产生膨胀应力，造成强度降低，在支护工程中要特别注意。

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5、

Basic geological characteristics and rock mass media consisting of geological model for lean ore bodies are discussed based on engineering geological investigation data from in situ rock mass. And geological models for lean ore bodies have been established successfully.

以现场岩体的工程地质调查资料为基础，论述了组成贫矿体地质模型的主要岩体介质及贫矿体基本地质特性，建立了贫矿体的地质模型。

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6、

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

介绍了金川矿区镍贫矿资源开发利用及矿山生产的基本情况，并着重对金川矿区贫矿资源开发利用的意义做了详细论述。

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7、

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;

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；

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8、

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.

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。

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9、

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.

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。

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10、

The total amount of China's iron resource is abundant, but which have the characteristics of larger lean ore, little mine with rich grade, complicated ore type, difficult utilization on temporary.

我国铁矿资源总量丰富，但是贫矿多、富矿少，矿石类型复杂，暂难利用矿多。

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11、

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.

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。

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12、

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.

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。

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13、

Small scale tests and verification tests of magnesia reduction concentrating process for treating rich lean ore mixture from Longshou Mine in Jinchuan were carried out.

对金川镍矿龙首矿混合矿石进行了降镁工艺小型试验和验证试验。

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14、

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

金川二矿贫矿工程地质与水文地质调查研究

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15、

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

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。

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16、

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

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。

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17、

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

金川二矿贫矿开采充填设计优化及数值分析

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18、

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

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。

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19、

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

我国矿产资源的特点是贫矿多，富矿少；

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20、

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

贫矿粗粒预选新工艺的研究

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