三甲胺

The optimized structures and energies of the reactants, intermediates, transition states and products of two reaction channels (corresponding to syn-acraldehyde and anti-acraldehyde) in gas or in methanol solvent were obtained. The potential energy profiles reveal the processes of the trimethylamine-catalyzed Baylis-Hillman reaction between acraldehyde and formaldehyde in gas or in methanol solvent at the microscope level.

通过研究，获得了三种情况下两种反应通道(分别对应于顺式-和反式-丙烯醛)中涉及的反应物、产物、中间体、过渡态的优化结构及其能量，并由此得到了反应的势能面图，在电子微观层次上揭示了三甲胺催化的丙烯醛和甲醛的Baylis-Hillman反应的微观过程。

The fact that increasing solvent polarity increases the reaction rate supports to the conclusion that the ammonolysis of α-CDA with trimethylamine follows SN2 mechanism.

增加溶剂极性对α-CDA的三甲胺氨解反应有利，表明反应具有SN2反应的特征。

The reaction of ECH and TMAC was investigated in microemulsion and non- by the analysis of various components with a combined method of LC-MS and GC-MS.

在微乳化和非微乳化条件下研究了环氧氯丙烷和三甲胺盐酸盐的反应。

A method was developed for the determination of choline chloride and trimethylamine in feedstuff by ion chromatography.

建立了离子色谱法测定饲料中氯化胆碱含量及鉴别饲料中氯化胆碱及掺假物三甲胺的方法。

Besides fuel oil,mesitylene can be mainly used in production of 1,3,5-benzenecarboxylic acid,1,3,5-triaminobenzene,antioxidant Lonox-330 and so on.

重整重芳烃中的均三甲苯除了用作燃料油组分外，还可以用于制备均苯三甲酸、均苯三甲胺和抗氧剂Lonox 330等高附加值产品。

The main results were as follows:①The genomic DNA extraction method from TCK/TCT teliospore was established, which include cell wall lysis of teliospore by alkali solution, destroying teliospore cell wall for releasing nucleic acid from cytoplasma membrain and elimination of the PCR inhibitors such as pigments or polyphenols component.

论文主要研究结果如下：①优化了碱裂解法破冬孢子外壁-CTAB破坏原生质体，释放核酸-微量DNA过滤柱去除色素、多酚等PCR抑制物质的TCK/TCT冬孢子提取方法，排除了冬孢子细胞壁难破DNA难以提取，三甲胺、色素等PCR抑制物质导致假阴性的难题，采用此方法提取的腥黑穗菌DNA完全适用于PCR扩增。

The chromogenic reaction that aluminium-chromeazurol S reacts with cation surfactant CTAC (cetyl trimethylammonium chloride) to form stable iso-ligand ternary complex can be used to determine the luminosity of aluminium oxide.

在pH=6的乙酸盐缓冲溶液中，铝一铬天青S与阳离子表面活性剂氯化十六烷基三甲胺形成稳定异配位体三元络合物的显色反应，籍以进行三氧化二铝的光度测定。

The results indicated that the method had high sensitivity and was very useful to determine the trimethylamine in gas phase.

用pH为1的硫酸吸收液吸收含三甲胺的气体，采用离子色谱仪测定吸收液中TMA浓度。

The off-flavored eggs were found to contain large amounts of trimethylamine.

人们发现异味蛋含有大量的三甲胺。

Synthesis of cationic lignin flocculant by Lignin, epichlorohydrin and trimethylamine was obtained.

研究了木质素与环氧氯丙烷、三甲胺合成木质素季铵盐的工艺。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。