在氢氧化钠、氢氧化钾、二乙胺和乙二胺碱性溶液中，在硫离子存在下套出现灵敏的吸附波。
In basic media containing sodium hydroxide, potassium hydroxide, diethylamine and ethylenediamine, and in the presence of sulphide ion, there appears a sensitive adsorption wave.
一般的防腐剂对水晶结构是有麻烦的，特别是乙二胺四乙基二钠。
Preservatives in general are troublesome to crystalline structures and especially disodium EDTA.
乙二胺四乙酸二钠是一种优秀的络合剂。
Disodium ethylenediamine tetraacetate is a good sequesterant.
本文介绍了一种用环氧乙烷生产羟已基乙二胺的新技术，列举了羟乙基乙二胺的性能及应用范围。
A new technology to produce hydroxy ethyl ethylene diamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed.
以2，3- 丁二酮和乙二胺为原料，采用二步法合成了2，3-二甲基吡嗪．研究了催化剂体系对脱氢反应的影响，得到了较好的结果．。
Dimethylpyrazine was synthesized by the two_steps method of 2,3-butylanedione and ethylenediamine, the dehydrogen catalytic system was studied and better results were obtained.
在1,2 -二苯基乙二胺的拆分过程中，充分搅拌是获得良好拆分效果的关键。
During the optical resolution of1, 2-diphenyl ethylenediamine, fully stirring is very important.
本文利用具有配位、溶解和还原能力的乙二胺-乙二醇二元混合溶剂体系制备了近似单分散的二硫化镍微球。
In this thesis, an ethylenediamine-glycol mixed solution system which has good abilities of coordination, dissolution and reductivity has been used to synthesize near monodispersed NiS2 microspheres.
综述了手性1，2二苯基1，2 乙二胺及其衍生物的合成，以及作为手性辅助基和手性配体在不对称合成中的应用。
This review summarizes the synthesis and the application of 1,2-diphenyl- 1,2-diaminoethane and its derivatives as chiral auxiliaries, chiral ligands and chiral reagents in asymmetric synthesis.
手性1,2 -二苯基- 1,2 -乙二胺及其衍生物在不对称合成中的应用。
Application of Chiral 1, 2-diphenyl-1, 2-diaminoethane and Its Derivatives in Asymmetric Synthesis.
本文研究了强碱性条件下，以乙二胺为络合剂，用水合肼把二价镍离子还原为单质镍的方法。
Under the condition that the strong basic is medium and ethylene diamine is complex reagent, the method that Ni2 + of wastewater is deoxidized by hydrazine hydrate is studied.
乙二胺四乙酸二钠，是白色结晶性颗粒或粉末的螯合剂，在染料、食品、药品等工业中有重要用途。
EDTA-2Na is a chelating agent as white crystalline granular or powder. It has important applications in dyestuff food, medicine industry.
乙二胺四乙酸二钠，是白色结晶性颗粒或粉末的螯合剂，在染料、食品、药品等工业中有重要用途。
EDTA-2Na is a chelating agent as white crystalline granular or powder. It has important applications in dyestuff food, medicine industry.
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