Researches results on the direct cyanide gold leaching method showed that the gold leaching rate was only 80.41%.
对原矿直接氰化浸金进行探索，结果表明，金的浸出率仅为80.41%。
The invention relates to a leaching method for alloy obtained by magnetic separation nickel-copper bessemer matte.
本发明涉及一种磁选铜镍高锍得到的合金的浸出方法。
Whether the in-situ leaching method is successful depends on the quality of borehole engineering to a great extent.
地浸开采的成败很大程度上取决于钻孔工程质量。
The effects of accompanying anions on Cu specific adsorption in soils were investigated using a constant flow leaching method.
本文采用流动法研究了陪伴阴离子对红壤、黄棕壤专性吸持铜的影响。
Thermodynamic analysis results show that tellurium can be leached by sulfuric acid leaching method from lead-rich tellurium slag.
热力学分析结果表明：可以采用酸浸方法从高铅碲渣中提取碲。
The direct leaching method of roasted molybdenite with ammonia (or liquid ammonia) instead of aqueous ammonia has been described.
本文介绍了直接用氨气(或液氨)代替氨水浸出钼焙砂的方法。
Thermodynamic analysis results show that tellurium can be leached by sulfuric acid leaching method from lead-rich tellurium slag.
并通过硫酸浸出高铅碲渣中碲的条件实验验证了热力学分析的结果。
A study for leaching of a low grade and difficult to separate copper ore was performed by using ammoniacal pressure leaching method.
用加压氨浸的方法，对某低品位难选离析铜矿进行了浸出研究。
The research shows that the precious metals can be recovered from the catalyst by the wet leaching method and the fire concentration method.
研究表明，从催化剂中回收贵金属，可采用湿法浸出法和火法富集；
The results show that the defaults places can be exactly determined by penetrant method which is more visual and accurate than acid leaching method.
结果显示，表面渗透探伤法能准确确定连轧坯和轧后钢板表面缺陷的位置。与酸浸法相比，表面渗透法更加直观、准确。
The characteristics of acid leaching of brown soil and cinnamon soil were studied using an indoor soil column leaching method with simulated acid rain.
用室内模拟淋洗土柱的方法，对棕壤和褐土的酸淋容特征进行了研究。
The experimental result shows that the sulfuric acid leaching method is more suitable for tellurium slag containing high lead than alkaline leaching method.
并通过硫酸浸出高铅碲渣中碲的条件实验验证了热力学分析的结果。
Methods including alkali sintering method, acid leaching method and so on of extracting alumina from fly ash and research progress thereof at home and abroad have been expounded.
对国内外采用粉煤灰提取氧化铝的工艺方法及研究进展进行了阐述，包括碱法烧结和酸浸法等工艺。
Effects of soil sodicity and gypsum application on dynamical behavior of heavy metal elements under effluent irrigation were studied by means of soil column leaching method in laboratory.
采用室内土柱淋洗试验方法，研究了污水灌溉条件下土壤碱度和石膏应用对土壤中重金属元素动态变化的影响。
The traditional gold and silver leaching method from the low grade iron-manganese gold silver ore didn't work out because gold and silver were encapsulated by iron, manganese and other minerals.
低品位铁锰型金银矿由于金银被铁锰等矿物包裹，传统浸金银的方法无法达到目的。
The method, experimental equipment and results of column leaching were presented for low-grade copper sulfide ore.
介绍了含砷低品位硫化铜矿柱浸实验研究方法、装置和结果。
The method and result of leaching of gold ore heap bio oxidation cyanidation CIL process was introduced.
介绍了难浸金矿石堆式细菌氧化—氰化炭浸提金的基本试验方法和结果。
The effect of reducing agent, temperature and time on leaching of strontium are investigated, and the method for purification of strontium chloride solution is also studied.
分析了还原剂、温度和时间对锶浸出率的影响，研究了氯化锶溶液中脱除杂质的方法和效果。
The principle, method and case history how to predict the average uranium mass concentration in lixivium of in-situ leaching are introduced and the existing problems are discussed.
介绍了矿床采区浸出液中平均铀质量浓度的预测原理、方法和实例，并讨论了存在的问题。
The process of producing molybdenum disulfide with natural method has been improved. In the new process, stepwise leaching is substituted for mixed acids leaching.
对天然法生产二硫化钼的工艺进行了研究，提出了以分段浸出代替混合浸出的方案，并进行了实践。
Leaching rate of Copper from 40% by common method rise to 60 ~ 70% by coordination method.
使铜的浸取率由常规法的40%提高到协同浸取法的60—70%。
This Paper discusses the method for uranium exploration based on the analysis of helium in water leaching soil samples using ion pump helium detector.
本文讨论了利用离子泵测氦仪，测定水浸土壤样的水中氦的找铀矿方法。
The results show that this method can attain thorough removal of copper and part removal of tellurium and selenium and the silver is still not leached in leaching process.
结果表明，该方法能达到铜的较完全脱除及碲、硒的部分脱除，银在浸出过程中基本没有损失。
Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment.
通过室内土柱淋洗试验，研究了PAM施用量和施用方式对不同碱度土壤饱和水力传导度的影响。
The process conditions of removing Fe From Cu leaching liquor were studied by oxidation precipitation method. Its industrial practice was introduced.
研究了氧化— 中和沉淀法从铜浸出液中除铁的工艺条件，并介绍了工业实践。
Heap leaching to low grade gold ore in the Northwest District has been proven a profit making method.
采用堆浸法处理低品位金矿石，在西北各主要产金省已取得了很好的经济效益。
The leaching solution was centrifugalized, and then distilled by headspace analytical method.
浸提液离心后采用静态顶空技术处理。
Prelimary study is made of the leaching parameters of a copper mine tailing, and a new method for tailing leaching and copper recovery in the future is proposed.
本文简介了某铜矿山尾砂可浸性参数初步探索，为尾砂开发、回收铜金属提供了一条新的途径。
Prelimary study is made of the leaching parameters of a copper mine tailing, and a new method for tailing leaching and copper recovery in the future is proposed.
本文简介了某铜矿山尾砂可浸性参数初步探索，为尾砂开发、回收铜金属提供了一条新的途径。
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