| 1. | One of the amino acids, called prolene, is not really an amino acid, but imino acid .
有一种称为脯氨酸的氨基酸实际上并不是氨基酸，而是亚氨基酸。
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| 2. | Synthetic method of imino diacetic acid
亚氨基二乙酸合成工艺
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| 3. | This thesis was composed in three parts : ( 1 ) the performance of the catalysts for the oligomerization and polymerization of ethylene ; ( 2 ) the comonomer effect of the in - situ copolymerization of ethylene by the bis ( imino ) - pyridyl iron complexes and metallocenes ; ( 3 ) the in - situ copolymerization of ethylene by cobalt - based catalysts and metallocenes
本论文共分为3部分：催化剂性能的评价，双亚胺基吡啶铁配合物与茂金属复配催化乙烯原位共聚中的共单体效应以及双亚胺基吡啶钴配合物与茂金属复配催化乙烯原位共聚。
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| 4. | In order to find replacer for metronidazole and drug selection . some diesters or esters of acids containing nitrogen with metronidazole were designed and synthesized , which have difference in water - solubility . metronidazole was reacted with the corresponding amino or imino multi - carboxylic acid compounds in the presence of acetic anhydride or thionyl chloride or dcc . the intermediate of nitrilotriacetic acid with ac
为寻找羟乙基甲硝唑的替代物，分别采用酸酐法酰氯法或dcc法，将氨基羧酸与羟乙基甲硝唑反应，得到5个亲水性不同的单酯或二酯，用ms谱确证了次氨基三乙酸与乙酸酐反应的中间物，并对得到的酯的
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