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
"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。
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。
This test shows that added sodium carbonate as co solvent could make leaching yield amount to 70 percent, and come to the conclusion that the better condition to make iron and aluminum up to the highest leaching yield.
首先进行了助溶和酸浸试验,研究证明,加入碳酸钠作助溶剂,可使铝铁硅的浸出率达70%以上。
In connection with the problem of low leaching yields of flavonoids,ginkgolides,etc.
针对银杏茶冲泡饮用时黄酮类物质、苦内酯等物质浸出率比较低的问题,提出了一种新的银杏茶饮料加工技术,设计了一种新的加工工艺,使银杏叶中黄酮类物质的浸出率高达82。
A Study of the Extracting Rate of Gold & Silver from Immersed Copper Sediment Influenced by Cyaniding Conditions;
氰化条件对浸铜渣中金银浸出率的影响研究
Effect of temperature on the activity of mineral-bioleaching microorganisms and the bioleaching rate of copper
温度对浸矿微生物活性及铜浸出率的影响
The minor-scale industrial heap-leaching test presents the character of long leaching cycle and low leaching ratio.
经过小型工业堆浸试验,呈现出周期较长、浸出率较低的特征。
Preparation of Zeolite 4A with Gangue by Microwave Irradiation
微波法用煤矸石制备4A分子筛中SiO_2浸出率研究
Study on Improving the Extraction Rate of Saponins in Gleditsia Sinensis by Ultrasonic
运用超声法提高皂荚皂甙浸出率的研究
Influence of Different Factors on Fluorine Leaching Rate in Tea
不同影响因子对茶叶中氟浸出率影响的研究
Impact of technologic condition selected for roasting zinc concentrate on recovered ratio of total sulfur and zinc in hydro-metallurgical extracting zinc
锌精矿焙烧工艺条件对湿法炼锌总硫利用率及锌浸出率的影响
Hydrogen peroxide and cyanide consumptions can be reduced with the similar gold leaching speed and recovery.
在金浸出速度和浸出率基本相同的情况下，可以降低过氧化氢和氰化物的耗量。
Sherritt zinc pressure leach study for China Western Mining Company:high zinc extraction at high altitude
高海拔下锌的高浸出率——谢里特为中国西部矿业公司进行的锌氧压浸出研究
Study on the Influence of Grinding Mode on Ore to Extraction of V_2O_5 from Siliceous Navajoite by Roasting and Acid Leaching Process
含钒硅质岩焙烧-酸浸提钒工艺原矿磨矿因素对钒浸出率影响试验研究
The leaching rate of gold is increased to 90% by ammonium thiosulfate,as against the 15% under the condition of cyanide leaching.
以甘肃坪定金矿为例 ,其浸出率可由氰化法的 15 %提高到 90 %。
Studies of the Influencing Factors of the Carp's Crude Protein and the Characters of the Carp Milk's Stabilization and Emulsification;
草鱼粗蛋白浸出率的影响因素及鱼乳蛋白液稳定乳化特性研究
Experimental Study of Affecting Factors for Relational Maceration Rate of Chemical Compostion of Five Compound Decoction Such as Carapax Trionycis Decoction;
对鳖甲汤等五种复方汤剂中有关化学成分浸出率影响因素的研究
Impact of Additive Zeolite on Cs~+ Leaching Rate of Solidified Cement of High Level Liquid Waste
在沸石对高放废液水泥固化体中Cs~+浸出率的影响
Research on Effect of Pressure Oxidation on Indium Leaching Rate in Zinc Oxidation Flue Dust
加压氧化对锌渣氧粉中铟浸出率影响的试验研究
The Ways to Increase the Recovery Rate of Gold Leaching From Heap Leaching of the Earth's Surface Oxidation Ore in Jinshan Gold Mine
提高金山地表氧化矿堆浸金浸出回收率的措施
Compared with conventional agitation acid leaching method,this process decreases the acid consumption by 21 % and manganese dioxide by 29%,the extraction rate of uranium reduces by 1. 86%.
与搅拌浸出比较，淋滤浸出省酸21％、省二氧化锰29％，铀提取率降低1．86％。
The percentage of oil and water content in cake are suitable for sovent extraction.
榨出饼的含油率和水份适合于溶剂浸出。
