Study on enrichment of germaniumin hot acid leaching and zinc-smelting with iron vitriol method;
热酸浸出—铁矾法炼锌工艺中富集锗的研究
Investigations into separation of the components such as A1_2O_3 in the gangue by acid leaching;
煤矸石中Al_2O_3等成分的酸浸分离研究
Study on low grade sulfide zinc-lead ore flotation and separation through acid leaching with oxygen pressure;
低品位硫化铅锌矿混合浮选-氧压酸浸分离铅锌的研究
A comparative investigation on the XRD spectra of coal series kaolin and high-SiO 2/Al 2O 3 kaolin before calcining and acid-leaching and after that, clearly shows that these two kinds of kaolins have the same calcining and acid-leaching mechanisms.
用XRD谱图对比了煤系高岭土与高硅铝比高岭土煅烧酸浸前后的结晶分布特征 ,发现两者的煅烧活化过程完全相同 ,只有其中的高岭石经煅烧成为偏高岭石后才能进行酸浸反应 ,后者含有大量的硅铝化合物伴生矿使得最大浸取率很低。
The technological route for the preparation of manganous sulfate from rhodochrosite by acid-leaching was reviewde.
介绍了以菱锰矿为原料，用硫酸浸出法制备硫酸锰的工艺路线，详细讨论了各种因素对锰浸出率及产品质量的影响，进而对老工艺进行了改进，优化出了最佳工艺条件。
Effect of various factors on the kind and concentration of acid,ratio of solid and liquor,amounts of adding HF,temperature and time of acid-leaching were investigated,an.
本文采用混酸加氟法对工业微硅粉进行除铁试验研究,试验研究了酸的种类和质量分数、固液比、混酸配比、氢氟酸的加入量、酸浸温度和时间等因素的影响,结果表明:最佳的工艺条件是混酸的成分为3%HCl+17%H2SO4,液固比为1。
The paper comprehensive introduce roasting and leaching technology of silica and charcoal based vanadium ore .
试验结果表明,采用无钠化空白焙烧-酸浸工艺,钒的浸出率93。
In this study,we strengthened the effect of leaching process at the temperature above 100 ℃,proper content of HF acid and leaching time,which can further eliminate the impurity element to make high purity quartz power.
针对脉石英矿中含有大量云母及长石等伴生矿的特点,通过调整溶液浓度及温度等手段,强化矿物的酸浸效果。
The optimal parameters for V2O5 extraction from stone coal with the technology of roasting-sulfuric acid leaching is investigated by orthogonal experiments.
采用正交实验研究焙烧-硫酸浸出法从石煤中提取五氧化二钒的最佳条件。
The vanadium phase and valence state of stone-coal with low carbon in Guizhou province were analyzed by electron probe,and a pressure acid leach experiment was carried out.
利用电子探针分析方法对贵州某地低碳石煤中钒矿物和价态进行了分析,并对该矿石进行了加压酸浸试验研究。
The enrichment and recovery of tantalum and niobium through acid leaching and sodium alkali fusing from tungsten residue is studied.
研究了用酸浸与钠碱熔融法从钨渣中富集和回收钽铌。
The experiment studied optimize the pickling process conditions of kaolin.
实验研究了酸浸高岭土的优化工艺条件,高岭土与盐酸质量比为1:3,盐酸浓度为6mol。
The best process conditions of pickling and removing impurity were obtained through experiment.
采用改进的全湿法工艺对柳州锌品集团公司生产的氧化锌原料进行了提纯处理 ,通过实验 ,确立了酸浸、除杂过程的最佳工艺条件 ,制备得氧化锌含量为 99。
The floatation tungsten concentrate is treated by acid pickling to remove phosphonium and carbonate,and its final concentrate is 70.
浮选钨精矿经过酸浸除磷、碳酸盐后,获得混合钨精矿品位为70。
Acids used in pickling can include sulfuric.
酸浸渍中用的酸有硫酸。
Elimination of Magnesium Oxide in the Platinum Palladium Ore by Acid Leach and Comprehensive Utilization of the Leach Liquor
云南某铂钯矿酸浸除镁及浸出液综合利用研究
Removal of Magnesium Oxide from High MgO Content Ores Using Sulfuric Acid Leaching Method and Comprehensive Utilization of the Leaching Solution;
高镁矿石酸浸降镁及浸出液综合利用研究
The Study of Dephosphorization from High Phosphorus Hematite by Using Acid Leaching and Utilization of Leaching Solution;
高磷赤铁矿酸浸降磷及浸出液综合利用的研究
Simultaneous Pressure Oxidation Leaching of Zinc Sulfide Concentrate and Neutral Leaching Residue
闪锌矿与中性浸出渣合并氧压酸浸(英文)
Comparative Study of Bacteria Leaching and Acid Leaching a Uranium Ore from Guangdong by Experiment
广东某铀矿石的菌浸与酸浸对比试验研究
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
The fabric is rinsed, saturated with a weak solution of sulfuric.
织物要先进行水洗，然后用淡硫酸浸渍。
Study on Oxidative Leaching Kinetics of Sphalerite in Acid Solution under Pressure
硫化锌精矿加压氧化酸浸动力学研究
Or immerse with 10 ％ glacial acetic acid brothers, wipe next.
或用10％冰醋酸浸泡手足，然后擦干。
RESEARCH ON EXTRACTING VAVADIUM FROM STONE COAL BY NO SALT ROASTING AND ACID LEACHING PROCESS
石煤无盐焙烧—酸浸提钒工艺试验研究
limed or pickled kidskin
浸灰或浸酸的小山羊革
sulfited mimosa extract
亚硫酸化荆树皮浸膏
Less common reagents that attack polymers include acids, bases.
比较不常见的浸蚀多聚物的化学浸蚀物有酸、碱。
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 % ;
goatskin limed or pickled
经石灰鞣制或浸酸的山羊皮
Pasted plate immediately were given an acid and stored overnight.
涂好的极板立即进行浸酸，储存一整夜。