乙内酰脲

研究了5，5-二甲基乙内酰脲（DMH）无氰脉冲镀银工艺。

The process of cyanide-free silver pulse electroplating is investigated in5,5-dimethyl hydantoin ( DMH ) bath .

5-（取代萘基）乙内酰脲的合成

Synthesis of 5 - ( Substituted naphthyl ) hydantoin

结果表明N，N-1,3-二溴-5,5-二甲基乙内酰脲氧化伯醇及仲醇生成相应的醛或酮；

This test shows that oxidizing primary alcohol , secondary alcohol and α - hydroxyl acid yields corresponding aldehyde or ketone ;

硫乙内酰脲衍生物水解速率测定及其构效关系初步分析

Determination of hydrolysis rate and preliminary structure-activity relationship of thiohydantoin derivatives

目的研究5，5二苯基乙内酰脲3基甲基磷酸钠新的合成工艺。

Objective To study a new synthesis method of5,5-diphenylhydantoin-3-ylmethylphosphate disodium .

研究了5,5-二甲基乙内酰脲为配位剂的无氰镀银工艺。

A cyanide-free silver electroplating process with 5,5-dimethyl hydantoin as coordination agent is studied .

5,5-二甲基乙内酰脲无氰镀银工艺的研究

Study on 5,5-Dimethyl Hydantoin Cyanide-free Silver Electroplating Process

乙内酰脲水解酶基因在大肠杆菌中的克隆表达

Expression of Hydantoin Hydrolase Gene in Escherichia coli

微波辐射下一锅法合成5,5-二苯基乙内酰脲

One-Pot Synthesis of 5,5-Diphenyl Hydantoinate under Microwave Irradiation

几种5,5-取代的乙内酰脲之合成

The synthesis of some 5,5-substituted hydantoins

超声波作用下5,5-二取代乙内酰脲的合成

Synthesis of 5,5-Disubstituted Hydantoins Under Ultrasound

过氧化物泡腾片是以过碳酸钠与乙内酰脲为主要成分、加入其它辅剂组成的固体片剂，为研究其杀菌效果及其它性能，采用悬液定量杀菌试验方法进行了实验室观察。

Peroxide effervescent tablet is a solid tablet composed of sodium percarbonate and hydantoin as the main ingredients and other adjuvents .

循环伏安曲线测试结果表明，5,5-二甲基乙内酰脲无氰镀金液在电镀工艺范围内性能稳定，无副反应发生。

The results of cyclic voltammogram curves indicated that 5,5-dimethyl hydantoin is stable in the range of electrodeposition region with no additional reaction .

一步法合成5-（对-羟苯基）-乙内酰脲α，ω-双（2,6-二甲基羟苯基）聚苯醚树脂

SYNTHESIS OF 5 ( P HYDROXYPHENYL ) HYDANTOIN IN ONE STEP α,ω - Bis ( 2,6-dimethyl hydroxyphenyl ) - poly ( 2,6-dimethyl-1,4-phenylene oxide ) with low molecular weights

乙内酰脲水解酶的表达对于乙内酰脲酶的催化机制研究及氨基酸的生物不对称合成都具有重要意义。

The expression of hydantoin hydrolase gene ( hyuH ) is very important in elucidation of mechanisms of bio-catalysis and its application in asymmetry synthesis of amino acids .