查询词典 methyl-glyoxal

As a model reaction, the photocatalytic degradation of methyl orange was investigated.

以甲基橙为光催化反应模型化合物，考察了光催化剂的活性。

The results showed that the modified zeolite could enhance evidently capability of methyl orange.

结果表明：改性沸石明显提高了沸石对甲基橙的吸附能力。

Then the characteristic and the mechanism of the fluorescence spectra of methyl parathion standard solution are explained.

由此对甲基对硫磷标准溶液荧光光谱的产生机理和特性作出了解释。

The integration of the methyl group of methylamine, based on the internal standard of the methylene group of ethanol, was measured and from which the amount of methylamine in the solution as well as the time that required can be derived.

以乙醇的亚甲基为内标，测量各种溶液情况下甲胺碳峰的积分值，可以判断该溶液甲胺所含的重量，以及达成某浓度所需通气时间。

The reaction of methyl bromide with methylamine to give dimethylammonium bromide is a typical SN2 reaction that shows second-order kinetics.

答：甲基溴与甲胺反应得到二甲基溴胺是一个典型的SN2反应，是动力学二级反应。

A new kind of non-ionic surfactant methyl glucose amide was prepared by using oleic acid, glucose and methylamine as raw materials.

以油酸、葡萄糖、甲胺等为原料合成一种新型非离子表面活性剂油酸改性甲基葡萄糖酰胺。

Methylcarbonate is an important organic industrial intermediate. Because its molecular structure contains carbonyl, methyl, methoxyl group and carbonyl methoxyl group, etc., it can be used in carbonylate, methylate, methoxylate organic synthetic reaction.

碳酸二甲酯是一种重要的有机化工中间体，由于其分子结构中含有羰基、甲基、甲氧基和羰基甲氧基，因而可广泛用于羰基化、甲基化、甲氧基化和羰基甲基化等有机合成反应。

The synthesis path of 2-phosphono-butane-1,2,4-tricarboxylic acid is studied by using alkyl phosphate,butendioic acid dialklesters and methyl acrylate with the catalyst of sodium methylate.

论文摘要本文以亚磷酸二甲酯，顺丁烯二酸二甲酯，丙烯酸甲酯为原料，甲醇钠为催化剂，合成了 2-膦酸丁烷-1，2，4-三羧酸并对中间物及产物进行了 IR、13C，31P 核磁，MS 表征。

Hydrolysis of completely methylated cellulose gives a high yield of 2,3,6-tri-O-methyl-x-glucose.

完全甲基化的纤维素水解后，得到高产率的2，3，6-三-O-甲基-x-葡萄糖。

In the traditional process,β-methylnaphthalene is oxidized with solution of chromic acid to give β-methylnaphthoquinone. However, a great deal of waste water with chromium will be produced in the process, which is very serious to environment. At the same time, the raw material consumption is great, which lead to the high production cost. Furthermore, by-product 6-methyl-1, 4-naphthoquinone will be produced, which is difficult to be separated completely and be utilized solely.

传统的生产工艺是用铬化物氧化β-甲基萘制备β-甲基萘醌，此工艺在生产过程中会产生大量的含铬废水，处理繁杂困难，对环境污染十分严重，并且原料消耗大，成本高，反应过程中的副产物6-甲基-1，4-萘醌未能加以彻底分离和利用。

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？