The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.
实验结果表明,偶氮基团的引入改善了8-羟基喹啉的生色能力,并且在乙腈随着取代基由苯基变为萘基和蒽基时,化合
的吸收光谱发生红移。
The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.
实验结果表明,偶氮基团的引入改善了8-羟基喹啉的生色能力,并且在乙腈随着取代基由苯基变为萘基和蒽基时,化合
的吸收光谱发生红移。
Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.
由苯与异丁酰在无
化铝作催化剂的条件下制备苯基异丙基酮。
Four new materials,such as carbon suspension,sodium sulfonate of polyoxyethylene allyl glycidyl nonyl phenyl ether,vanillyl alcohol,vanillin,etc,in lead-acid storage batteries were reviewed.
综述了铅酸蓄电池用碳素悬浊的制备与作用方式以及在铅酸蓄电池使用聚氧化乙烯烯丙基缩
甘油基壬基苯醚的硫酸酯钠盐、香草醇和香草醛的目的及作用机理。
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