The new process to separate lactic acid from fermentative liquid through film ultrafiltering and ion exchanging is introduced.
介绍了采用膜分离与离子交换相结合分离乳酸的新工艺。
The results by author 's study on the accelerating effect in ion exchanging process with macroreticular ion exchange resin are reviewed systematically.
本文系统地回顾了作者在大孔离子交换树脂交换过程中的加速效应研究结果。
It is proposed that the process of removing fluorine with activated alumina is inappropriate to be termed as adsorption or ion exchanging, as lots of tests have shown.
通过大量的试验证明，活性氧化铝除氟不能简单归结为分子吸附或离子交换，要考虑具体的工艺过程。
The results indicate that this technique is one of the feasible proposals for the separation of ion exchanging eluate analyzed not only from environment remediation, but economic effect.
结果表明，将该工艺应用于分离处理离子交换洗脱液，无论是从环境治理角度，还是经济效益方面分析都是一种可行的方法之一。
Two salt bridges are arranged in the composite electrode to fill ring-shaped flexible diaphragm formed by hot pressing of potassium chloride, thus providing ion exchanging paths between solutions.
复合电极内设置两个盐桥，为聚乙烯填充氯化钾热压而成的 环状弹性膜片，提供溶液之间进行离子交换的通路。
Their methods include the use of strips of ion-exchanging plastic, braided with polystyrene to toughen them up....
他们的方法包括利用聚苯乙烯加固的离子交换塑料带。
Analysis of the poisoned ion exchange resin proves that the pollution of ion exchange resin by iron compound is the main reason leading to exchanging ability reduction.
通过对中毒离子交换树脂的分析，证实离子交换树脂被铁化物污染是导致离子交换树脂交换能力有所下降主要原因。
A new complex ion exchanger, hydrated antimony pentoxide ammonium molybdophosphate, is prepared and its exchanging capacity is studied.
研究了水合五氧化二锑磷钼酸铵复合无机离子交换剂的制备和交换性能。
The main catalysts used are PTC, strong acidic ion-exchanging resin, solid super acid, etc.
主要的催化剂有季铵盐、强酸性离子交换树脂、固体超强酸等。
Through selecting extracting solvent, extracting times and alkalinizing method, Oxymatrine is extracted and purified by ion-exchanging and re-crystallization.
通过对溶剂、提取次数、碱化条件的选择，用离子交换和重结晶的方法提取纯化氧化苦参碱。
Through selecting extracting solvent, extracting times and alkalinizing method, Oxymatrine is extracted and purified by ion-exchanging and re-crystallization.
通过对溶剂、提取次数、碱化条件的选择，用离子交换和重结晶的方法提取纯化氧化苦参碱。
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