查询词典 methyl-glyoxal

Effects on the reaction of factors such as reactant ratio, reaction time, and reaction temperature were investigated, and optimum reaction conditions were determined as follows: mole ratio of cyanuric chloride to ethylamine to sodium hydroxide to sodium methyl mercaptide was 1:2.1:2.0:1.7, and the temperature and time of the first, second, and third substitution reactions were -2, 0, and 82℃ and 30, 60, and 180 min, respectively.

讨论了原料配比、反应时间和反应温度等因素对反应的影响，获得了较佳的反应条件。较佳反应条件为三聚氯氰：乙胺：氢氧化钠：甲硫醇钠＝l：2.1：2.0：1.7，第一、第二、第三取代反应的反应温度和反应时间分别为-2℃、0℃、82℃和30、60、180min。

This paper presents the synthesis of three kinds of amine such as 2-(methyl- sulonyl)ethylamine,3-propylamine and 2--ethylamine via three different methods.

本文采用三种不同的方法合成了2-乙胺，3-丙胺，2-乙胺等3个含砜基伯胺；还合成了3--x-吲哚甲酸甲酯(x=5，6，7)， E-4-喹啉甲醛肟，E-6-氟-2-吡啶甲醛肟等三类芳环甲醛肟，其中吲哚类和吡啶类化合物未见文献报道。

Simetryne is synthesized from cyanuric chloride, ethylamine and sodium methyl mercaptide in solution of the trichloroethylene.

以三聚氯氰、乙胺和甲硫醇钠为原料，以三氯乙烯为溶剂制备了西草净。

The appropriate conditions are that the mole ratio of cyanuric chloride to ethylamine, sodium hydroxide, sodium methyl mercaptide is 1:2.1:2.1:4.0, the temperature and time of first, second, third substitution reaction is respectively 0℃, 20℃, 78℃ and 10min, 30min, 480min.

适宜反应条件为三聚氯氰：乙胺：氢氧化钠：甲硫醇钠=1：2.1：2.1：4，第一、第二、第三取代反应的反应温度和反应时间分别为0，20，78℃和10，30，480min。

Simetryne was synthesized from cyanuric chloride, ethylamine, and sodium methyl mercaptide in a 50% isopropanol + water solution.

以三聚氯氰、乙胺和甲硫醇钠为原料，以50%异丙醇＋50%水为溶剂制备了西草净。

objective to determine the contents of eucalyptol, camphor, synthetic borneol, menthol, methyl salicylate, cinnamaldehyde and eugenol in shexiang qufengshi adhesive plasters by gc method.

目的建立气相色谱法同时测定麝香祛风湿膏中桉油精、樟脑、冰片、薄荷脑、水杨酸甲酯、桂皮醛、丁香酚等7组分的含量。

The experiment result shows that the copolymer of methyl methacrylate and crylic acid surly coordinate with europium ion.

研究结果表明，共聚物与铕发生了配位，而小分子配体的引入对配合物的荧光强度起到了加强作用。

Results and Discussion Flavin 2 was synthesized from 3,4-diaminobenzoic acid (3) and alloxane monohydrate (4) in good yield according to standard procedures (Scheme 1).9 The first step afforded flavin 5 in quantitative yield, in 1:1 ratio of the 7- and 8-hydroxycarbonyl regioisomers, and was subsequently methylated by methyl iodide to form flavin 6 in 86% yield, in a 3:2 ratio of the 7- and 8-regioisomers.

结果与讨论黄素二是合成3，4 -二氨基安息香的酸（ 3 ）和氧嘧啶水合物（ 4 ）在良好的收益率根据标准程序（计划1） 0.9的第一步，给予黄素五，在定量产量，在1：1的比例， 7 -8 -羟基羰基 regioisomers ，并随后甲基甲基碘形成黄素6月在86 ％的产量，在一个3：2的比例， 7 -和8 regioisomers 。

Because of the bad fluidness of palm oil, it can not be used on diesel engine directly. We can transfer it and methanol to the fuel of palm oil methyl ester by transesterification as an alternative fuel of diesel engine.

由於棕榈油的流动性差，不宜直接当燃料使用在柴油引擎上，故可将其与甲醇经由转酯化反应制造出棕榈油甲酯生质柴油燃料做为柴油引擎的替代性燃料。

The carbonylation of methanol is homogeneous phase and hydrogenolysis of methyl formate is heterogeneous phase.

并在假想不同的步骤为反应控制步骤的基础上，提出了可能的30种反应速率方程。

My first article for Screen Power Magazine, which is to this day is the official magazine of Jackie Chan, was a DVD review of the Hong Kong actioner Gen-X Cops, starring Nicholas Tse and Daniel Wu.

我的第一篇文章为屏幕力量杂志，在对这天是Jackie Chan 正式杂志，是香港actioner Gen X 警察的DVD 回顾，担任主角Nicholas Tse 和丹尼尔吴。

His lips grazed hirs, Now what are you going to do?

他的唇使吃草了 hirs，现在你将要做什麼？