甲基

The method of synthesis of N,N-dimethyl-1-aminomethane-1,1-di phosphonic acid N-oxide is introduced.

介绍了一种氨烷基膦酸氮氧化物——二甲基氨基亚甲基二膦酸氮氧化物的合成方法，并进行了缓蚀阻垢性能的研究。

The phosphotungstic acid was used to degrade the methyl orange solution with ultraviolet radiation.

以磷钨酸为光催化剂，在紫外灯照射下，对甲基橙溶液进行光催化降解，考察了几种阴阳离子对磷钨酸光催化降解甲基橙溶液的影响。

A series of trimethylolhexane triheptyl esters were synthesized from trimethylolhexane with special kinds of supported phosphotungstic acid catalyst.

以自制三羟甲基己烷为原料，采用自制的负载磷钨酸催化剂催化合成一系列三羟甲基己烷脂肪酸酯。

The influence of the methyl modified SiO 2 gel glass matrices on the thermal and fluorescence properties of photoactive organic species were also studied in t...

结果表明，由于甲基的影响，缩聚反应速度成为以纯 MTES为先驱物制备光学均匀复合固态染料激光介质的关键控制因素，甲基改性复合固态染料激光介质可进行较高温度热处理，经适当温度热处理后，染料的荧光强度有较大提高。

Afterwards, N-(6-chloro-3-pyridinemethyl) phthalimide is prepared by using potassium phthalimide, as nucleophilic reagent, condensation reacting with 2-chloro-5-methylpyridine at a temperature of 70℃.

然后在70℃条件下，以邻苯二甲酸亚胺钾作为亲核试剂，与2-氯－5-氯甲基吡啶发生缩合反应，制备了N-（6-氯－3-吡啶甲基）邻苯二甲酰亚胺。

For example , the synthesis of dialkyl alkylphosphonothionates pesticide and phytocidal herbicide Glufosinate.

本文重点开展了O，O-二乙基甲基亚膦酸酯及其中间体的合成研究和以O，O-二乙基甲基亚膦酸酯为中间体合成草铵膦的研究。

The comparative investigation of synthesizing the polyhydric alcohols, such as pentaerythritol, pentaglycerine, trimethylolpropane, neopentyl glycol and so on are conducted, these compounds are all based on the reaction of cross-aldol condensation.

对季戊四醇、三羟甲基乙烷、三羟甲基丙烷、新戊二醇等基于交叉羟醛缩合反应的多元醇类化合物的合成进行对比研究。

The fluorescence properties of polymethylene bis-b-naphthoates I (n = 2, 3, 4, 5, 10) in poor solvents such as DMSO-water and ethylene glycol-water were measured under stationary and nonstationary conditions at various temps.

本文研究了双-β-萘甲酸多亚甲基二醇酯在二甲基亚砜-水(DMSO-H2O)和乙二醇-水(EG-H2O)两种混合溶剂中的稳态和时间辨荧光光谱以及温度、溶剂组成对荧光光谱的影响。

The stavudine was prepared from 5-methyluridine via six steps in 34% overall yield, in which the key step is the selective acylation of 5-methyluridine by propionyl chloride.

该路线以5-甲基尿苷为起始原料，关键步骤是5-甲基尿苷和丙酰氯的选择性酰化反应，六步反应总收率为34%。

Methyl 6-acylnaphthalene from 2-methylnaphthalene was synthesized via acylation using acetic anhydride and propionyl chloride as the acylating agents with catalyst aluminum trichloride in homogeneous liquid phase system.

为制备重要的化合物2-甲基6-酰基萘，提高酰化产物的收率和纯度，以2-甲基萘为原料，分别研究了乙酸酐和丙酰氯为酰化剂时的酰化反应，对酰化反应的产物进行了GC、FT-IR和GC-MS表征；对酰化反应的影响因素进行了研究。

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？