The approach to removal of impurity by barren solution and the effect of removing impurity on leaching result were explored which offered basic informations for the carrying out of zero discharge of cyanide waste water.
根据仓上金矿生产实际情况，探讨了贫液除杂质的途径及除杂后对浸出效果的影响，为仓上金矿实现氰化污水零排放提供了基础资料。
"Jnder the proper conditions, the leaching efficiency of zinc could reach above 96%.
锌精矿不经焙烧而采用三价铁溶液或二价铁溶液为溶剂直接浸出,考察了锌精矿和中浸渣在一定的硫酸浓度和浸出时间、粒度、氧分压对浸出过程的影响,在适宜的工艺条件下锌的浸出率可达到96%以上。
To improve the leaching efficiency,the effect of adding anode mud obtained from zinc electrowinning on zinc leaching was investigated,of which the leaching conditions including dose of anode mud,temperature,H_2SO_4 concentration and reaction time were tested.
为了提高锌的浸出率,研究了在浸出过程中加入锌电解阳极泥对ZnS浸出的影响。
With the technique of amalgamating ore tailing pelletized to heap leaching,there arrives a low leaching efficiency of no more than 54.
混汞尾矿直接用于制粒堆浸 ,金浸出率很低 ,只有 54。
Study on improving cyanide leaching rate of copperbearing gold concentrate from Hunchun Goldcopper Mine;
提高珲春金铜矿含铜金精矿氰化浸出率的试验研究
Experimental study on improvement of the leaching rate of low grade gold by the use of ammonium thiosulfate;
氨性硫代硫酸盐对提高低品位金浸出率的试验研究
Experimental research on enhancing cyanide leaching rate of gold from gold concentrate containing copper;
某金精矿预氧化除铜提高金氰化浸出率的试验研究
Technology for improvement of extraction rate of protein from defatted corn germ;
提高玉米胚蛋白浸出率的工艺研究
The extraction rate of tea was studied by changing the dip degree, dip time and dip temperature.
考察了浸泡次数、浸泡温度和浸泡时间对铅、铜、锌3种金属元素浸出率的影响。
Industrial application shows that with this technique,the dosage of sodium cyanide can be reduced by more than 50%,manufacturing cost by more than 30%,the grade of silver slag by 15g/t,while the extraction rate of silver can be enhanced by 11%.
工业应用实践表明,该工艺节约氰化钠用量50%以上,生产成本降低1/3,浸渣银品位降低到15g/t,银浸出率提高11%。
To get the maximizing leaching ratio of cobalt from black blended powder(bbp) containing LiCoO2,acetylene black and tiny amount of aluminum obtained from cathode materials of spent lithium ion batteries,orthogonal tests were designed with four factors,then,to adjust factors levels for maximizing of leaching ratio of cobalt.
为从废旧锂离子电池正极材料中分离出的黑色混合粉末(包括钴酸锂、乙炔黑及少量铝)中浸出钴,用正交实验,调整因素水平以使钴的浸出率达到最大化。
The behaviour of impurities in sodaleaching process is studied for ShiZuyuan low gradetungsten ore， The experiment shows that the leaching ratio of P，As，Si is respectively about0．6％，2．57％and 3． 84％in the leaching process，but it can be limited by addition of controlagent．The leaching ratio of Cu，bi，Zn is respectively about 2．23％，1．04％and 10．73％.
试验表明：分解过程杂质Ｐ，Ａｓ，Ｓｉ的浸出率分别为０。
Effects of Cement Solidification on Heavy Metal Extraction From Polluted Pond Sludge in Qingshuitang Region
株洲清水塘镉污染水塘污泥水泥固化的浸出效果研究
Study on Optimization of Lactic Acid-Pressurization Extraction Technology of Chicken Bone Nutritional Component by Response Surface Methodology
乳酸压力法对鸡骨营养成分浸出效果的响应面分析
Controlling Effect of Several Plant Extracts on Pieris rapae in the Field;
几种植物浸出液对菜青虫的田间防治效果
The Screening and Breeding of High Effective Bacteria and Mechanism of Bioleaching of Copper Sulfide Minerals;
铜硫化矿生物浸出高效菌种选育及浸出机理
Bioleaching of Realgar, Bacteriostasis Function and Medical Efficacy of Realgar Microorganism Lixivium;
雄黄的微生物浸出及其浸出液的抑菌、药效作用研究
VACUUM SYSTEM FOR HIGH PRESSURE IMPREGNATION AND AFFECTION ON IMPREGNATION QUALITY
谈高压浸渍真空系统及其对电极浸渍效果的影响
It is a varnish that can be dunked in acid without ill effect
这是一种可浸入酸中并不产生不良效果的清漆。
CONTINUED EFFECT OF TETRACYCLINE ON THE ELIMINATION OF CITRUS YELLOW SHOOT BY BUDWOOD IMMERSION
四环素浸泡芽条消除柑桔黄龙病的持续效果
Effect of applying CaO 2 to cold water paddy field in hilly area in brown red soil of southeast Hubei
鄂东南棕红壤丘陵区冷浸田施用过氧化钙效果
Study on Characteristics of Cultivation of Acidithiobacillus Ferrooxidans and Its Effects on Bioleaching of Phosphate Ore;
嗜酸氧化亚铁硫杆菌的培养特性和浸磷效果
Research on Effect of production Increase of Potato cultivation with Seed-soaking with Trace Fertilizer Mn, Zn;
锰、锌微肥浸种栽培马铃薯增产效果的研究
Engineering Measures and Their Effect Analyses to Reduce Immersion Effects of Chaozhou City Zone
减轻潮州城区浸没影响的工程措施及效果分析
Effect of sugar on color preservation of fresh-cut sweet potato slice
浸糖工艺对鲜切甘薯片护色效果的研究
Discussion on fouling monitoring and cleaning effect of submerged UF membrane
浸没式超滤膜污染监测与清洗效果分析
Stability and efficiency of mixed pesticide solutions for treating the root-soil of Taiwan plants
台湾苗木根土浸泡药液稳定性及其处理效果
Study on antimicrobial effects of mint(Mentha canadaensis L.) extract and the appliction to pork preservation
薄荷浸提液的抑菌效果及猪肉保鲜研究
Effect of the Soaking Solution of Eupatoeium japonicum on River Snail-killing
紫茎泽兰浸泡液对椎实螺杀灭效果观察
Study on Elimination Effect of Garlic Extract on Nitrite
大蒜浸提液对亚硝酸盐清除作用的效果分析