This paper has also studied the disposal of pregnant antimony solution in production of sodium bicarbonate and on the basis of the theoretical analysis and experiment, designed a process flow with three-effect-evaporation, to recovery ammonium chloride and sodium chloride.

When gallium is extracted by DHG586 chelated resin from Bayer process solution, the ( pregnant) solution composite, especially solution alkalinity affects severity the resin adsorption ( capability).

用DHG586型螯合树脂从拜耳工艺溶液中提取镓时，种分母液组成对树脂吸附容量有很大影响，其中溶液的碱度对吸附容量的影响更明显。

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This process flow can dispose 150m~ 3 pregnant antimony solution of production of sodium bicarbonate, producing 24t ammonium chloride and 10t sodium chloride, in a day.

氯化铵回收工艺设计能力为日处理小苏打母液150m~3，每天可生产氯化铵24吨，氯化钠约10吨。

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Study on New Process Gold Extraction from Pregnant Cyanide Solution

从氰化浸出液中提金新工艺的研究

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When two absorbers are connected in series, it is necessary to optimize the first absorption efficiency of the former to about or over 50%, and maximize the rate of sodium nitrite/ sodium nitrate in its pregnant solution at the same time.

对两级串联碱吸收而言，应首先调整1＃塔的吸收率至接近或大于50%，并同时使其吸收母液的亚／硝比达最大；

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The gold and silver were deposited on the steel wool in electrowinning of the eluted pregnant solution with the recoveries of these two metals 99% or so.

解吸贵液通过电解，使金和银沉积到钢棉上，电沉积率99%左右。

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It is the first time in China to develop and apply the new type carbon adsorption trough successfully for adsorbing gold on carbon from pregnant solution of heap leaching.

新型堆浸贵液炭吸附槽的研制与应用在国内尚属首次，并获得了成功。丰富和发展了国内堆浸生产中的炭吸附设备。

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When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.

从含高铜、铅、锌贵液中直接用锌粉置换回收金，效果差。

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Approach to Raising the Rate of Sodium Nitrite/ Sodium Nitrate in the Pregnant Solution from the Absorption of Nitric Acid Plant Tail Gas

提高硝酸尾气碱吸收循环液中亚/硝比问题的探讨

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Technological study on extracting gold by leaching of copper-bearing gold ore with chlorine water followed by antimony powder precipitation in pregnant solution

含铜金矿的氯水浸出、锑粉置换富集提金工艺研究

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Research and productive practice on recovering gold from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation

锌粉置换法从含高铜、铅、锌贵液中回收金的研究及生产实践

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Measures to raise uranium content in pregnant solution from "tails" of roll-type ore body

提高卷状矿床翼部矿体浸出液铀质量浓度的措施

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An additional reflux pipe of spinning pregnant solution is installed and modified by innovation.

通过增设纺丝原液回流管以及对其改造，大大减轻了劳动强度及改善了操作环境。

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Alumina concentration, alkalinity, suspending materials in pregnant solution;

分解原液中的氧化铝浓度、总碱浓度、悬浮物含量；

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A study on prediction of uranium concentration in pregnant solution from in-situ leaching

地浸采铀浸出液铀质量浓度预测研究

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Extraction method for recovery molybdenum from pregnant solution of acid precipitation

用萃取法从酸沉母液中回收钼

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The final percentage roof subsidence factor is 54 precent, and the rise roof basally keeps integrity. The rise can be continuously used after local maintenance, and approximate 6 million yuan economic benefit is acquired.

在井下试验中，轨道上山顶板最终沉降率为54%，顶板基本保持完整，局部维修后可继续使用，取得经济效益600余万元。

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The car which body and main parts is made of aluminium alloy can reduce 30 precent of the weight, and then has lesser wastage of fuel and discharge amount of greenhouse gases and other deleterious gases.

由其代替钢材用于汽车车体结构和其它零件的成形，可使汽车减重30%，进而减少燃油消耗和温室气体CO2及其它有害气体的排放。

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As well know, LC is mostly important antibody precent cell, and it decide character of immunity reaction in the tissue of skin, it is also main reason of immunity exclude reaction after transplant variant skin.

已知LC是皮肤中最重要的抗原递呈细胞，决定了皮肤组织的免疫反应特征，是异体皮肤移植后发生免疫排斥的主要原因；

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The results show that the precent conversion to MnFe 2O 4 ferrite powders is low ( between 35% and 50%) and there are many defects in the structure of the crystal lattice.

结果表明，以燃烧合成方法制备MnFe2O4粉体的转化率较低（35%～50%），产物存在较多的晶格缺陷，并且存在部分亚稳相，如FeMnO3。

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Proceeding from the electric safty protective theory of low-voltage network, the protective earthing of arc welding power sources and protective zero arc discussed. The precent standard reviews are advanced in this paper.

本文从低压电网系统中的电气安全防护理论出发，对弧焊电源的保护接地与保护接零问题进行了探讨，并提出了对现行标准的修改意见。

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