甲醇

In this case, ethanol and methanol...

在这个事件中，乙醇和甲醇

The new aproach of which can be achieved via the oxidation of 2-naphthylamine (39) by CuCl〓benzylamine or ethanolamine (2: 1) in methanol under mild condition with isolated yield up to 74％.

本文开发出利用2-萘胺（39）为原料，以氯化铜—苄胺或乙醇胺（2：1）作为氧化偶合试剂，在温和的条件下和甲醇溶剂中，以高达74％的产率合成40的新方法。

Based on density functional theory calculation with periodic boundary conditions, the possibility of the direct coupling of methanol into ethene by oxonium ylide mechanism was investigated.

采用基于周期性边界条件的密度泛函理论研究了HSAPO-34分子筛上甲醇通过氧鎓叶立德机理直接耦合生成乙烯的可能性。

After methanol is taken out, the research octane number of C5 etherealization product is about 95. The alkene content is less than 35%, the sulfur content is less than 10μg/g and the aromatics content is less than 1%, it is a clean and high quality gasoline component with high octane number.

脱除甲醇后，裂解C5馏分选择性加氢后的醚化产物的研究法辛烷值为95左右，烯烃含量小于35%，硫含量小于10×10^(-6)，芳烃含量小于1%，是一种优质、清洁的高辛烷值汽油组分。

The effect of methanol concentration on the etherification was discussed.

在消除内扩散和外扩散的情况下，考察了甲醇浓度对醚化反应速率的影响。

This paper studied the synthesis and models about the etherification reaction from isoamylene to the tert-amyl methyl ether synthesis.

分析了异戊烯醚化生成甲基叔戊基醚的反应机理及相关的反应动力学模型，以甲醇和乙烯裂解碳五为原料进行醚化反应，分别求得R-E模型、L-H模型的动力学参数。

Etherification of propylene oxide with methanol using MAF solid base catalyst had been investigated.

研究了甲醇与环氧丙烷在固体碱催化剂MAF存在下非均相合成丙二醇甲醚的过程。

A method for determining contents of seven kinds of residual organic solvents such as methanol, ethanol, methylene chloride, ethyl aetate, toluene, tetrahydrofuran and acetic acid in a new pharmaceutical-developing (UP0044) was established by capillary gas chromatography.

建立了测定新药UP0044中甲醇、乙醇、二氯甲烷、乙酸乙酯、甲苯、四氢呋喃、乙酸7种有机溶剂含量的方法，以确定它们在药物中的残留量和比例。

The effects of different entrainers(methanol,acetone,ethyl acetate,petroleum ether and ethanol of different concentrations) on the diosgenin extraction rate were studied.

探讨了乙醇、甲醇、丙酮、乙酸乙酯、石油醚作为夹带剂以及在无夹带剂的条件下，对薯蓣皂素收率的影响。

Methods:A YWG-C18 column was used.The mobile phase consist ed of acetonitrile containing 0.2% methanol-water solution containing 0.1% tri ethylamine and 0.1% phosphoric acid(3∶97)and the detection wavelength was 220 nm.

采用高效液相色谱法，色谱柱为YWG-C18柱，流动相为0.2%甲醇的乙腈溶液-含0.1%三乙胺、0.1%磷酸的水溶液(3∶97)，检测波长为220 nm。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。