halvans

Studies on Leaching Techniques for Polyhalite;

杂卤石矿溶浸工艺基础研究

Leaching behavior of polyhalite in Quxian was studied by using CaCl_2 as leaching agent.

以渠县杂卤石矿为原料,选取CaCl2溶液作为溶浸剂,对矿石进行了室内搅拌浸出试验和柱浸试验。

occurs at or near the earth's surface; breaks down complex minerals into simpler ones.

在地表或近地表发生的把复杂矿石分解为简单矿石的过程。

The limestone absorbs impurities from the ore.

石灰石从矿石中吸收杂质。

Mineral Processing of Quartz Vein Type Complication Multi-metal Ore

石英脉型复杂多金属矿选矿试验研究

Worthless rock or other material in which valuable minerals are found.

矿物杂质，尾矿在其中找到有价值的矿石的无价值岩石或其它矿产

The main useful mineral is celestine.

矿石组构虽然复杂,但其矿物组成比较简单,有用矿物主要为天青石。

the desired mineral that is left after impurities have been removed from mined ore.

开采的矿石去掉杂质后剩余的有用矿物。

Types of Gold Mineralization of Copper Ore Complex and its Ore-forming Geological Characteristics

铜石杂岩体区金矿化类型及其成矿地质特征

THE MINERALS PROCESS EXPERIMENT RESEARCH OF Mo,Bi,WO_3,CaF_2 COMPLEX MINE

钨钼铋萤石复杂多金属矿选矿工艺方案研究

Cause and Countermeasures of Ore Loss and Dilution in Complex Orebod

复杂矿体开采中矿石损失贫化原因及其对策

Guiding Significance of Metallogenic Model of Pingyi Zhuojiazhuang Gold Deposits on Ore-prospecting of Surrounding Copper Rocks

平邑卓家庄金矿床成矿模式对铜石杂岩体周围找矿的指导意义

The siliceous impurities in the ore are removed by reaction with the calcium oxide that is formed when the limestone is heated, CaO + SiO2--Ca-SiO3.

矿石中含硅的杂质同氧化钙(加热石灰石形成的)化合而被排除出去。

Alunite is a harmful impurity which is difficult to remove from kaolinite, and so is kaolinite in alunite ore.

明矾石是高岭土中难以除去的有害杂质,高岭石也是明矾石矿石中的有害杂质。

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。

Iron ore, as mined, contains varying quantities of impurities.

铁矿石从地下开采出来时具有不同含量的杂质。

Experimental research on comprehensive utilization of some complex polymetallic sulfide ore

某复杂多金属硫化矿石综合回收试验研究

The chromite deposits in the Muskox Complex occur only in feldspathic peridotite.

在穆斯科克斯杂岩体中，铬铁矿矿层仅产于长石质橄榄岩中。

Oxygen Isotopic Composition of Magnetite and Diopside in Rock Containing Ore and Oxygen Isotopic Equilibrium Temperature of Fan Shan Complex

矾山杂岩体含矿岩带磁铁矿辉石氧同位素及同位素平衡温度

Petrography and Geochemistry of Ore-bearing Complex of Yinan Gold Deposit, Shandong Province

山东沂南金矿床含矿杂岩体岩石学与地球化学研究