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。
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 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。
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