Cu furaldehyde - diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63.

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HEDTA ( N - hydroxyethyl ethylene diamine triacetic acid )

N - 羟乙基乙二胺三醋酸 ( 有机螯合剂 )

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Dialysis and ethylene diamine tetraacetic acid ( EDTA ) were used for improving electrospinnability of the PVA.

经透析或加入乙二胺四乙酸 ( EDTA ) 后,可纺性有了明显改善.

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This invention discloses a method for preparing resorcinol by continuous hydrolysis ofm phenylene diamine.

一种间苯二胺连续化水解制备间苯二酚的方法,涉及一种有机化工原料间苯二酚的制备工艺.

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Trace o - phenylene diamine can sensitively catalyze the discoloration reaction of crystal violet oxidized by KBrO _ 3.

痕量邻苯二胺能灵敏催化溴酸钾氧化结晶紫褪色.

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Meanwhile the applications of secondary amine , diamine, polyamine and their derivatives were summarized also.

同时概述了仲胺、二胺 、 多胺及其衍生物的应用.

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A series of Copolyimides, derived from hexamethylene diamine ( HMD ) , 4,4? ? - diaminodiphenyl ether ( ODA ) and 3,3? ?, 4,4? ? - oxydiphthalic dianhydride ( ODPA ), were prepared.

采用二苯醚3,3, ′4, 4′-四 甲酸 二酐与己二胺和4, 4′-二氨基二苯醚为 单体 合成聚酰胺酸, 经热酰亚胺化制备共聚型聚酰亚胺.

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