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碱性条件下，一水硬铝石的回收率急剧下降。In the alkaline region, there is a marked drop in the recovery of diaspore.

研究了微波焙烧对一水硬铝石矿浸出性能的影响。The effects of microwave roasting pretreatment on leaching behavior of diaspore ore were investigated.

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结果表明，峙峪矾土的主要矿物组成为波美石，含有少量的一水硬铝石和锐钛矿等。The results show that the major mineral of Shiyu bauxite is boehmite with little diaspore and anatase ect.

得出焙烧矿在增浓溶出过程中受化学反应控制，且为一级反应。The chemical reaction is the rate controlling process of digesting roasted diaspore in the sweetening process.

一水硬铝石表面的铝离子丰度是高岭石表面的铝离子丰度的1.7倍。Abundance of aluminium atom on the surface of diaspore is 1.7 times larger than that on the surface of kaolinite.

以一水硬铝石为原料，利用等离子喷涂激光重熔技术制备了氧化铝陶瓷涂层。Using diaspore as raw material, alumina ceramic coating was prepared by plasma spray plus laser remelting technique.

表面正、逆向化学反应的离子反应级数均为一级。Both forward and reverse chemical reactions happened on the diaspore surface are of first order to the ions involved.

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我国储量丰富的铝土矿资源其主要特点是高硅、高钛低铁的一水硬铝石型，用于生产氧化铝的条件十分苛刻，工艺流程长，能耗高。China is rich in diaspore with high silicon, high titanium and low iron, which, is hard to be processed to produce alumina.

我国沉积高岭石矿和硬水铝石铝土矿资源丰富，其储量和质量均为世界之冠。China is abundant with sedimentary diaspore and kaolinite mineral resources. Their reserves are both the first in the world.

豫西北地区铝土矿均为-水硬铝石型沉积矿床，赋存于中石炭统本溪组。Bauxite ore in the Northwest Henan province is generally sedimentary diaspore type in Benxi Formation of Carboniferous Series.

分析了我国铝土矿中一水硬铝石和铝硅酸盐脉石矿物的晶体结构与表面性质。The crystal structure, wettability and floatability of diaspore and other gangues like kaolite, illite and pyrophyllite were discussed.

用一水硬铝石型铝土矿在旋流浮选系统中进行了旋流浮选和分级试验对比。Making use of the diaspore type bauxite, the cyclone flotation and classification test had been carried in the system of cyclone flotation.

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研究采用胺类捕收剂时铝土矿中一水硬铝石和含铝硅酸盐矿物单矿物的浮选行为。The single mineral floatation behaviors of diaspore , kaolinite, illite and pyrophyllite in bauxite by using alpine collectors are investigated.

发现样品中镓的加权平均含量超过边界品位，并在煤层下部和底板岩石中显著富集，其主要地质载体为硬水铝石。It was discovered that the gallium is more than marginal grade in content and enriched in lower coal seam and floor, and occurs mainly in diaspore.

我国自行开发成功的高温双流法溶出技术是实现一水硬铝石矿间接加热强化溶出的适宜选择。The high temperature two-stream digestion technology developed by China is suitable to process diaspore with indirect heating digestion technology.

又我国硬水铝石岩溶铝土矿，应属于生物有机质成矿作用的沉积型铝土矿。Such kind of clay can be used as high mobility material in paper industry. And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits.

采用季铵盐DTAL作捕收剂，研究了氯化钠对一水硬铝石和叶蜡石浮选的影响及其作用机理。The effects and mechanisms of sodium chloride on the flotation of diaspore and pyrophyllite with the cationic quaternary ammonium DTAL as a collector were studied.

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本文在一水硬铝石高温高压溶出理论的基础上，对贵州高硫高品位铝土矿进行了溶出性能研究。This paper studies the leaching function of high grade bauxite containing sulfur of Guizhou according to the high-pressure digestion theory of the diaspore bauxite.

针对我国铝土矿资源的实际情况，对一水硬铝石与主要脉石矿物高岭石的反浮选分离作了初步研究。Based on the characters of Chinese bauxite resources, the separation of diaspore and the main gangue, kaolinite by reverse flotation was studied preliminarily in this paper.

针对中国铝土矿资源具体特点，本文作了一水硬铝石与主要脉石矿物一硬质高岭石反浮选的初步研究。Based on the characters of Chinese bauxite resources, the separation of diaspore and the main gangue hard kaolinite by reverse flotation was studied preliminarily in this paper.