北京石油化工学院2026年研究生招生接收调剂公告
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sirljz(金币+2):欢迎新虫 2010-06-08 15:33:23
zehuac(金币+10, 翻译EPI+1):多谢参与应助,楼主BB退回,没办法付给您,我代楼主给你奖励BB吧,希望以后积极应助哦 2010-06-16 16:44:11
In this thesis, hydroxy aldehyde substituted aniline Schiff Base compounds 1  5 were synthesized in anhydrous ethanol reflux with substituted aniline and p-hydroxybenzaldehyde as raw material. 1H NMR, 13C NMR, IR, melting point, and other means were applied to characterize the structure of the five molecules, the results of which were maximum absorption wavelength of 314  331 nm in UV spectrum, emission spectrum wavelength of 374  390 nm with strong fluorescence in fluorometric assay.
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