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leaching by alkaline solution 碱溶
The new technology of production of Zn powder by alkaline leaching and electrowinning is described. 介绍碱浸-电解湿法直接生产金属锌粉的新工艺。
The alkaline solution may help to reduce acidity. 碱性溶液有助于降低酸度。
Lipase acts only in an alkaline solution. 脂肪酶仅在碱溶液中才起作用。
Pidan is prepared from raw duck egg by alkaline treatment. 摘要皮蛋是生鸭蛋经由碱处理而制成的。
Aluminium material was electropolished with ad dition of additive TA in alkaline solution by periodic reverse current. 采用周期换向电解法,在添加适量添加剂TA的碱性溶液中对铝材进行电解抛光。
Chitosan can be made from chitin by alkaline deacylation. 壳聚糖是由甲壳质脱去乙酰基而制得的。
Crystallization of sodium phenylpyruvate (PPNa) by hydrolysis of 5-benzalhydantoin in alkaline solution is studied. 研究了碱性溶液中苯丙酮酸钠盐的结晶过程。
Its water solubility is not affected by electrolysis, while it is not soluble in alkaline solution. 对水的溶解性不受电解的影响，但不溶于碱性水溶液。
In such oxidation case, bilirubin could be oxidized into biliverdin by oxygen in alkaline solution. 表明胆红素在碱性环境中可被氧化成胆绿素。
The new process of producing Zn powder by alkaline leaching and electrowinning is a reliable,cost-effective and flexible process. 碱浸-电解法作为一种生产高纯度锌粉的新工艺,具有流程简单、原料适应性强、成本低等优点。
Keywords Interfacially Active Substances;Separation;Silica Gel Column Chromatography;Interfacial Tension;Emulsifiability by Alkaline Solution;Crude Oil of Karamay; 界面活性组分;分离;硅胶柱层析;界面张力;碱水乳化性能;克拉玛依原油;
Piperine was obtained by extraction of piperlongunl with ethonal for several times.Piperinic acid was produced by hydrolyzing piperine in alkaline solution. 蒙药药材荜茇经过多次用乙醇提取,进一步分离提纯得到较纯的胡椒碱;
Pigment matter in mature fibers of brown or green cotton was extracted by organic solvent (ethanol, aether and dimethylbenzene), acid and alkaline solution, and HNO 3/ethanol. 以白色棉、棕色棉和绿色棉的成熟纤维为材料;用有机溶剂(乙醇、乙醚、二甲苯);酸性、碱性溶液;以及HNO3/乙醇溶液;分别对不同颜色纤维中的色素进行提取.
There is no acid mine drainage, since acids are neutralised immediately by alkaline seawater. 海底开采不存在酸矿排放问题，这是因为酸性物质已被碱性海水立即中和。
Study of Alkaline Soluble Polysacchride B_0 by Alkaline Extraction from Marasmius Androsaceus(L;FR) FR. 碱提碱溶小皮伞多糖B_0的研究
In this paper, the advance in technology of aid to leaching by adding peroxide (H2O2,CaO2), its technological principles and advantages are discussed. 概述了过氧化物（H2O2，CaO2）助浸工艺的进展、原理和优点。
R.M.Lukes,”The Chemistry of the Autocatalytic Reduction of Copper by Alkaline Formaldehyde”Plating,15,969(1964). 林欣玮，奈米金属线之制程研发及特性研究，国立台湾大学化学所硕士论文，民92年。
The concept holds that uranium is leached by groundwater from tuffeceous rocks. 该理论认为, 来自凝灰岩的地下水淋蚀铀。
The defatted wheat germ protein(DWGP)was prepared by alkaline extraction and subsequent isoelectric precipitation. 本文用碱提取后等电点沉淀法制取了脱脂麦胚蛋白,并对其理化和功能特性进行了研究。