Here some wet phosphoric acid purification technologies are presented.
阐述了湿法磷酸净化方法及其研究进展。
There is great difficulty in the desulfurization technology for wet phosphoric acid purification.
湿法磷酸净化脱硫技术难度大。
This paper deals with using emulsion liquid membrane technique to remove magnesium which is a new technique for wet-process phosphoric acid purification.
采用乳化液膜技术对湿法磷酸进行脱镁净化是一种净化湿法磷酸的新途径。
The stainless steel annealing and pickling process can product large quantity of waste mixed acid(HF/HNO3) that must be treated through acid purification system.
不锈钢生产退火酸洗过程会产生大量废混酸（HF/HNO3），通过酸净化系统对废酸进行处理。
Six, in phosphoric acid purification, help wet-process phosphoric acid process gypsum separation. 7, used for water in rivers of water works water treatment flocculant.
在磷酸提纯中，有助于湿法磷酸工艺中石膏的分离。7、用于以江河水源的自来水厂的水处理絮凝剂。
Objective To establish a super-sensitive diagnosis method for influenza a (H1N1) by enrichment of virus RNA using several settling agents and nucleic acid purification methods.
目的利用几种助沉剂和核酸纯化方法富集病毒rna，建立甲型H1N 1流感超敏感诊断方法。
Production technologies of food grade calcium hydrogen phosphate such as phosphoric acid purification method, bone glue extraction method and applications are introduced in detail.
本文介绍了国内外食用磷酸钙盐的概况，详细介绍了磷酸净化法、骨胶浸取法等食品级磷酸氢钙的生产工艺以及应用情况。
The working process of resin bed and working principle of acid purification unit and flowchart are described particularly. Making comparison of acid consumption of using it before and after.
详细介绍了树脂床工作过程和酸净化装置的工作原理及工艺流程，对酸净化装置投入前后的酸耗量做了对比。
A standing and layering process for the regenerated acid purification is described. The treating agent ANPA is added in regenerated acid and stood after agitation to purify it through layering.
介绍了净化再生酸的静置分层法，将处理剂anpa加入再生酸中，搅拌后静置，使再生酸分层分离而得到净化。
Phosphoric acid concentration after the initial purification to remove impurities in the majority of solid-phase material, the phosphate raw materials (agricultural commodities phosphate).
浓磷酸经过初级净化处理以除去大部分固相物杂质，得到原料磷酸(农用商品磷酸)。
To improve the utilization value of diatomite ore, a research on isothermal stable state acid leaching purification by microwave was made.
为提高硅藻土矿利用价值，进行了微波作用下硅藻土矿的稳态酸浸提纯研究。
The methods of purification for naphthenic acid consist of physical method and chemical method.
环烷酸的提纯方法主要有物理方法和化学方法。
In order to get a simplified method to purify hyaluronic acid (HA) from tissues of animals, procedure of purification of HA from bovine vitreous body was studied.
为了得到一种简便的从动物组织中分离纯化透明质酸(HA)的新方法，用牛眼玻璃体为原料，对HA的分离纯化进行了研究。
The results of the experiments indicated that microwave could promote and strengthen acid leaching purification of diatomite ore.
实验研究结果表明，微波可强化硅藻土的酸浸提纯。
Proposed is a process for purification of yellow humic acid by heterophase cation-exchange membrane. After electrophoresis, its purity was up to 95% and recovery, 88.47%.
研究了一种新的黄腐酸提纯工艺方法，采用异相离子交换膜进行黄腐酸的电渗析提纯，黄腐酸经电渗析后的纯度可达95% ，收率为88.47% ；
This paper summarizes the bioactivity, Abstracts, isolation, purification, inspection, analyze and identification of triterpenes(ursolic acid and corosolic acid)in loquat leaf.
本文对枇杷叶中三萜类物质的类型、生物活性、提取分离、纯化、检测分析以及鉴定进行了综述。
Medicine, distillery, organic acid and inorganic industry, also used in purification and decoloring.
药品、制酒、有机酸及无机物工业，用于去杂质纯化、脱色。
Separation and purification method for multi-valence unsaturated fatty acid was introduced, as well as its application prospect in production of rubber seed oil.
介绍了多价不饱和脂肪酸的分离纯化方法，以及在橡胶籽油中的应用前景。
Sodium chloride and hydrochloric acid are often used to regenerate spent ion exchange resins used in water purification.
氯化钠和盐酸常用来再生水净化中用的废的离子交换树脂。
This paper deals with the treatment of arsenic_containing waste water in the purification section of sulfuric acid unit, and its process and mechanism are also introduced.
对硫酸生产中净化工序废水进行处理，根据其含砷量多少，介绍其处理方法、工艺流程及机理，经处理后的污水均可达到国家排放标准。
A purification process of wet-process phosphoric acid, which is used for the production of toothpaste-grade calcium hydrogen phosphate, was studied.
以湿法磷酸为原料制取牙膏级磷酸氢钙的关键在于解决湿法磷酸的净化与脱氟问题。
Attaching amino acid to the resin is the sticking point in the whole synthesis, because it has the most important effects on the yield and purification of ultimate product.
第一个氨基酸与树脂连接反应是整个合成过程中最关键的反应，它的好坏直接关系到最终产品的产率和纯度。
Production, purification, properties, structural basis and applications of acid-stable xylanase were reviewed.
综述了酸性木聚糖酶的产生、纯化和性质、结构基础及应用。
The products above have good adsorption and purification on dust, smoke, formaldehyde, xylene, amines, carbon dioxide, sulfur dioxide, acid, alkali and other harmful gases in the air and the sewage.
以上产品对空气中的尘埃、烟尘、甲醛、二甲苯、胺、二氧化碳、二氧化硫、酸、碱等各种有害气体尘埃及污水有着良好吸附和净化作用。
The invention relates to a purification processing method of the discharge gas of an acid waste water tank, belongs to waste gas purification treatment technology.
本发明涉及一种酸性污水储罐排放气的净化处理方法，属于废气净化治理技术领域。
The article deals with the BESA phosphoric acid process by wet purification.
着重介绍了BESA湿法磷酸的净化工艺。
The milk samples are pretreated with tiny boiling hydrochloric acid for decomposition and purification. Using the K-matrix method to calculate calcium and magnesium.
采用盐酸煮沸分解，净化，借助于K-矩阵法同时测定了牛乳中钙和镁。
The present invention has the advantages of simple process and saving in alcohol and precipitant, and may be applied in refining and purification of hyaluronic acid.
本发明用于分离透明质酸外，也可用于透明质酸的精制和纯化过程。
The present invention has the advantages of simple process and saving in alcohol and precipitant, and may be applied in refining and purification of hyaluronic acid.
本发明用于分离透明质酸外，也可用于透明质酸的精制和纯化过程。
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