利用二维核磁共振技术对一类新的含羟基中环二胺及其衍生物在水溶液中的构型和构象进行了较为详尽的研究。
NMR techniques were used to investigate the stereo configuration and conformation of the hydroxyl mesocyclic diamines and their derivatives in aqueous solution.
研究了新显色剂2 ，4 二羟基苯甲醛缩氨基硫脲（DBT ）与铜的显色反应，建立了光度法测定微量铜的新方法。
A new method for the spectrophotometric determination of trace copper with 2,4 dihydroxybenzaldehyde thiosemicarbazone(DBT) is reported in this paper.
介绍了甘油新的开发应用，包括1，3-丙二醇、二羟基丙酮、 1，2-丙二醇和环氧氯丙烷的制备研究及应用。
New utilizations were introduced in this paper, such as 1,3- propanediol, dihydroxy acetone, 1,2- propanediol, epichlorohydrin.
应用推荐