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- Keywords Phenyl ethyl ketone;Boron catalyzed;Enantioselectivity;AM1; 苯基乙酮;硼催化;对映体选择性;AM1;
- p-hydroxy phenyl ethyl ketone 对羟基苯乙酮
- phenyl ethyl ketone 苯基乙基甲酮
- BC-DH2004 catalyst was used in dehydrogenation of sec-butyl alcohol(SBA)to prepare methyl ethyl ketone(MEK). 采用BC-DH2004催化剂进行仲丁醇脱氢合成甲乙酮的研究。
- METHODS: the phenyl ethyl alcohol (PEA) odor detection threshold test was used to test the olfactory thresholds of 25 normal Chinese young people. 方法：利用酚基乙基乙醇气味测知阈值测试方法来测试25名正常本地年经人的嗅觉阈值。
- P hydroxy benzeneacetamide is prepared from benzylcyanide after a series of organic reactions such as nitration, hydrolysis,reduction and so on. 以苯乙腈为原料,经过硝化、水解、还原、重氮化和水解、酯化和氨化制备了对羟基苯乙酰胺;
- The polyurethane adhesives with solvent were prepared by polyester diol,1,4-butanediol,HDI and methyl ethyl ketone. 采用聚酯二元醇、1,4丁二醇、1,6-己二异氰酸酯以及丁酮为主要原料,合成溶剂型单组分聚氨酯胶粘剂。
- The solvents we used were acetone,methyl ethyl ketone,methyl isobutyl ketone,ethyl acetate and vinyl acetate. 对丙酮、甲苯、丁酮、甲基异丁基酮、乙酸乙酯、醋酸乙烯酯等溶剂进行了评选。
- On the day before FESS, patients filled out a sinusitis questionnaire and took a phenyl ethyl alcohol (PEA) odor detection threshold test, a skin test, and acoustic rhinometry. 手术前一日，病患填一份鼻窦炎问卷并接受酚基乙基乙醇嗅觉阈值测量、皮肤试验检查及声反射鼻测量。
- The ammoxidation of methyl ethyl ketone (MEK) to methyl ethyl ketoxime (MEKO) over nano-scale TS-1 was studied with a three-neck glass reactor. 以纳米钛硅分子筛TS-1为催化剂,采用三口玻璃反应器研究了甲乙酮(MEK)氨氧化的反应性能。
- Commonly used solvents ratio is: methyl ethyl ketone (30 per cent, accounting for 50% aminomethylbenzoic hexanl or 20 per cent. 常用的溶剂配比为：甲乙酮撤离30%25、甲苯撤离50%25、异丙醇撤离20%25。
- The properties of heavy crude oil is described and the effectiveness of diluting and viscosity reduction for heavy crude oil with naphtha-Methyl Ethyl Ketone (MEK) is analyzed. 概述了稠油的物性,分析了石脑油中加入MEK(甲基乙基酮)后对稠油的稀释降粘效果。
- This invention relates to the manufacture of phenyl and phenyl ethyl malonic esters and more particularly to the manufacture of dialkyl phenylmalonates and compounds are useful as intermediates in the manufacture of medicinals. 本发明和苯基苯乙基丙二酸酯的生产有关，尤其是和二烷基苯基丙二酸酯的生产有关，它们在生产药品的过程作为中间体非常有用。
- The characteristics of using activated carbon fiber to absorb and recover toluene and methyl ethyl ketone tail gas from the solvent dewaxing and deoiling unit were described. 介绍了活性炭纤维的产品性能,阐述了活性炭纤维在酮苯脱蜡装置甲苯与甲乙酮尾气吸附回收的工艺特点。
- Para Hydroxy Phenyl Glycine Methyl Potassium Dane Salt 含羟苯氨基乙酸甲基钾盐
- BUTENEX is the most advanced extractive distillation techonology for n-butene and butane separation up to now,uses methyl ethyl ketone and N-formyl morpholine for extraction solvent. 采用甲乙酮和氮甲酰吗啉混合物做萃取剂分离正丁烯和丁烷的技术是目前最先进的技术。
- By simulating the absorption process of organic waste gases, wecan conclude that the most relative error of the absorption efficiency of methyl ethyl ketone is 4.54%, the average relative error is 2.19%. 本文对有机废气的吸收过程进行了模拟计算，取得了令人满意的模拟结果：丁酮吸收率的实验值与计算值的最大相对误差为4.;54%25，平均相对误差为2
- SYNTHESIS OF PHENYL ETHYL ALCOHOL 苯乙醇的合成
- In the first group we choose nine chemical compounds as detect index, they are benzene, toluene, m-xylene, o-xylene, ethylbenzene, butadiene, acetone, 2- Methyl ethyl ketone, 1,3,5- terimeth benzene. 在教室、复印室、寝室和办公室内对苯、甲苯、邻二甲苯、间二甲苯、乙苯、丁二烯、丙酮、2-丁酮、1-3-5三甲基苯九种物质进行检测。
- D-p-methylsulfino phenyl ethyl serinate D-（-）-苏式-[对-（甲砜基）苯基]丝氨酸乙酯
