目的研究臭氧气体和臭氧水溶液中各种臭氧浓度测定方法的特点,同时研究了温度对臭氧在水中溶解度的影响。
In this paper, characteristic of different methods for the determination of ozone in water and in gas were studied and the influence of temperature on solubility of ozone in water were also studied.
用该方法测定了304不锈钢熔体在不同温度和氮分压下的氮的溶解度值。
By this method, the nitrogen solubility in 304 stainless steel melt was measured at different temperatures and partial nitrogen pressures.
方法:采用溶剂法制备固体分散体,进行溶解度、溶出速率测定,导数热重分析(DTG)。
Methods: the solid dispersion was prepared by solvent method. The solubility, the dissolution rate and the derivative thermogravimetry (DTG) were determined.
针对对苯二甲酸工业中的溶解度基础数据缺乏的问题,提出了一种测定高温下对苯二甲酸在醋酸水溶液中的溶解度的方法。
For resolving the lack of solubility data terephthalic acid in aqueous acetic acid, a method of determining the solubility at high temperature was developed.
方法:采用HPLC法测定荆芥内酯在水和各种有机溶剂中的平衡溶解度;
Method: The HPLC method was established and used to detect the concentration of schizonepetin in water and different organic solvents;
方法:采用HPLC法测定荆芥内酯在水和各种有机溶剂中的平衡溶解度;
Method: The HPLC method was established and used to detect the concentration of schizonepetin in water and different organic solvents;
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