Study on Tannase Produced by Aspergillus Niger and Propyl Gallate Biosynthesised by Immobilized Aspergillus Niger Cells in Organic Phase; The ellagic acid has been prepared by oxidation of the leaching solution of Chinese gallnut containing tannic acid. 黑曲霉产单宁酶的研究和有机相中固定化黑曲霉细胞生物合成没食子酸丙酯的初探以五倍子为原料浸取单宁酸,由单宁酸氧化制备鞣花酸。
Electrodepositing gold of iodine leaching solution from waste printed circuit board 电解法从废弃印刷线路板的碘化浸金液中沉积金
Study on Fe-Al Separation of Bauxite Leaching Solution by Acid Method Treatment 铝矾土运输船铁矾土运输船酸法处理铝土矿的浸出液中铁铝分离研究
The technology discussion about magnesium recovery from nickel saprolite sulphuric acid leaching solution 硫酸浸出含Ni残积矿矿石镁回收技术探讨
On the Recovery of Tungsten and Molybdenum out of Acid Leaching Solution by Ion-exchange 离子交换法回收高钼钨中矿化选液中的钨钼
The results showed that gold recoveries could be increased by fine grinding of concentrates, raising concentration of sodium cyanide in leaching solution and adding the regent SDM. 试验结果表明:提高矿样的磨矿细度和浸出液中氰化钠的浓度以及加入SDM助浸剂,均可提高金的氰化浸出率。
Main contaminating material characters of natural leaching solution of improved gangue matrix 改良煤矸石基质淋溶液主要污染物特征
According to control requirements of uranium leaching solution process, the paper discusses the completion of automation for uranium hydrometallurgy process by using SCADA and PLC. 根据铀浸出液处理过程控制的要求,本文论述了如何用监控组态软件结合PLC可编程序控制器完成对铀水冶的自动控制。
Leaching antimicrobial agent In vitro antibiotic effect of the leaching solution of astragalus on cariogenic bacteria 浸出型抗菌剂(抗菌剂通过浸出而毒死微生物)黄芪浸出液对致龋菌的体外抑菌实验
Toxic Effect of Heavy Metal in Leaching Solution of Fly Ash from Solid Waste Combustion to Alga 垃圾焚烧飞灰浸出液中重金属对藻类的毒性
Selective leaching of silver from copper anode mud with sodiumsufite and reducing silver from the leaching solution with formaldehyde have been investigated. 对低温氧化焙烧湿法工艺处理铜阳极泥的第三步&亚硫酸钠浸出银及甲醛还原银进行了研究。
For this, hydrogen peroxide and cupferron were used as screening agent and agent for removing impurities in the test of purifying this vanadium-containing acid leaching solution. 为此,以双氧水、铜铁试剂为掩蔽剂和除杂剂,对该含钒酸浸液进行了除杂净化试验。
The methods of determining gold in ore, cyanide leaching solution, electrolyte and ion exchange resin in RIP are reviewed. 综述了树脂矿浆法提金工艺中的矿石、氰化浸出液、电解液和载金树脂中金的测定方法及应用。
Mutagenic Effects of Leaching Solution of Simulated Acid Rain on Manganese Tailings for Vicia Faba Root Tip Micronucleus 锰尾矿模拟酸雨浸出液对蚕豆根尖微核的诱变效应
Extraction of Vanadium From Acid Leaching Solution of Stone Coal by Anion Exchange Resin 离子交换法从石煤直接酸浸液中提取钒的工艺研究
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
A study on model of contaminant transport and soil consolidation coupling Effects of Microbe on Leaching Solution of Coal Waste 土体固结与污染物运移耦合模型研究微生物对煤系固体废弃物淋滤液污染性影响
Iron Removal from Hot Acid Leaching Solution of Zinc Roasting Dust by Goethite Process 用针铁矿法从锌焙烧烟尘的热酸浸出液中除铁
Effects of Microbe on Leaching Solution of Coal Waste 微生物对煤系固体废弃物淋滤液污染性影响
Separation of Fe and Ni by solvent extraction with LK-C2 from nitric acid leaching solution of wasted printed circuit boards LK-C2萃取分离废线路板酸浸液中的铁和镍
Determination of anions in leaching solution of municipal solid wastes by using ion chromatography Water and wastes had to be pulled by pipes into storage containers. 离子色谱法测定城市生活垃圾渗沥水中阴离子废水和垃圾必须用管道吸入贮藏器中。
The determination method of gold in the ore and thiourea leaching solution has been studied. 研究了矿石及其硫脲浸取液中金的测定方法。
The reduction of the acidic leaching solution of cinder by pyrite concentrate and its mechanism was studied. 研究了硫铁矿精矿还原硫酸烧渣酸浸液及其反应机理。
The copper in leaching solution can be effectively replaced by iron shaving. 用铁屑置换浸出液中铜的效果很好,能制得较高质量的海绵铜。
Processing conditions of effectively separating indium from the leaching solution of a smelting antimony slag were researched. 研究了从冶炼锑渣浸出液中有效地分离铟与锑、铁的工艺条件;
Precipitation process of the goethite from hot acid leaching solution of zinc concentrate roast dust was investigated. 研究了从锌焙烧烟尘常压热酸浸出液中沉淀针铁矿的过程。
Copper and Stannum are separated by precipitating under different pH values from the leaching solution. 对电镀污泥的浸出液采用加碱调节pH值的方法来分步沉淀铜和锡。
In this thesis, the process of the recovery of gold from thiosulfate leaching solution were studied. 本论文就硫代硫酸盐金浸出液中金的回收进行了研究。
Heavy metal concentration of the leaching solution of the brick was measured. 检测原料和底泥砖重金属的含量及浸出浓度。