The permeability of ore mass has a great influence on the leaching period of heap leaching and the leaching efficiency,hence the uranium ores with high content of clay is difficult to acidic heap leaching.
矿堆的低渗透性能是局限矿石浸出周期及金属浸出率的最主要因素之一 ,因此 ,长期以来 ,高含泥量的铀矿石一直是酸法堆浸提铀技术的应用禁区。
The investigation of optimizied technique for acid leaching of tungsten residue reveals that when 50 g tungsten residue is leached at 40 ℃ for about 10 min,the recovery rates of Ta2O5,Nb2O5 and WO3 are 86.
研究了钨渣的酸浸法优化处理工艺,在40℃条件下,分别用HCl和H2SO4处理50 g钨渣10m in:15%HCl溶液中Ta2O5、Nb2O5与WO3的回收率分别为86。
In this paper,the several physical and chemical methods for purification of quartz sand were reviewed,including scouring,magnetic separation,flotation,ultrasonic,acid leaching,chelating,and so on.
本文综述了几种石英砂的物理化学提纯方法,包括擦洗法、磁选法、浮选法、超声波法、酸浸法、络合法等,提出了国内石英砂提纯方法的发展方向。
Investigation on the correlative factors affecting acid leaching rate of a uranium deposit ore
铀矿石酸法浸出率的影响因素分析
Judge and Apply Various Information Parameters in Acid In-situ Leaching of Uranium
酸法地浸采铀中信息参数的判断及其应用
Research on Remediation of Contaminated Groundwater from Acid In-situ Leaching Uranium Mining by Sulfate Reducing Bacteria;
硫酸盐还原菌治理酸法地浸采铀地下水污染的研究
Perhaps the most important quality is commitment, but other factors, such as immersion are also significant.
比如“沉浸法”，沉浸是指深深地陷入某事。
Compared with the conventional leaching, the acid consumption is reduced by 30%～40% in the activate heap process.
试验证明 ,活化堆浸比常规酸法浸出可省酸30 %～ 4 0 % ;
Steel products--Method for etch test of tower sample
GB/T15711-1995钢材塔形发纹酸浸检验方法
Stainless steels--10Percent oxalic acid etch test
GB/T4334.1-1984不锈钢10%草酸浸蚀试验方法
Choice of leaching agent in acid agitation leaching of a uranium ore
某铀精矿酸法搅拌浸出氧化剂的选择
Acid Leaching of Nickel from A Garnierite Ore at Atmospheric Pressure
常压酸浸法从硅镍矿中提取镍的研究
Determination of Flos Lonicera Japonica Extract by HPLC
HPLC法测定金银花浸膏中绿原酸的含量
Determination of Polygalacic Acid in Extractum Polygalae Liquidum by HPLC
HPLC法测定远志流浸膏中远志酸的含量
Thermodynamics of alumina leached by sulfuric acid process
硫酸浸出法提取氧化铝的热力学讨论
Determination of L-arginine in yeast extract by high performance liquid chromatography-evaporative light-scattering detector
HPLC-ELSD法测定酵母浸膏中游离L-精氨酸
Degradation of Methylene Blue by Acidic Leaching Solution of Steelmaking Flue Dust-Fenton Method
炼钢粉尘酸浸液-Fenton法降解亚甲基蓝
Reclaiming MnCO_3 from Used Zn-Mn Batteries by Acid Leaching Method
酸浸法由废旧锌锰电池制取碳酸锰的研究
This method is a combination of pickling and blast cleaning.
这一方法是酸浸除锈法和喷砂除锈法的组合。
limed or pickled kidskin
浸灰或浸酸的小山羊革
Acids used in pickling can include sulfuric.
酸浸渍中用的酸有硫酸。
Study on NO_3~- s accumulation and degradation products when nitrate acts as oxidant in in situ leach of uranium;
硝酸盐作地浸采铀氧化剂若干问题的研究