phenyl的例句大全

A method for determining the volatile components in yellow rice wine was studied. Total of 42 volatile components were identified with GC/ MS. Isoamyl alcohol, ethyl lactate and phenyl ethyl alcohol were quantitatively analyzed.

研究了黄酒香气成分的分析方法，通过GC／MS共鉴定到42种香气成分，对其中异戊醇、乳酸乙酯、β－苯乙醇进行定量分析。

In the first route, itwas synthesized by cyclization reaction, bromination, condensation, Royer reaction, reduction, nucleophilic substitution ( total six steps) starting from β-phenyl ethanol in5% total yields.

第一条路线以β-苯乙醇为原料，经过环化、溴化、缩合、Royer成环、还原和亲核取代共6步反应合成了SK&F101468A，总收率约为5%；

Study on the preparation of p-phenyl ethyl alcohol

β-苯乙醇的合成研究

Synthesis of β-phenyl-ethyl alcohol from styrene

自苯乙烯合成β-苯乙醇

Spectrophotometric Determination of Glutamate in Sodium Glutamate with 1,3 N, N ′ Bis 4 ( 4 ′ nitrobenzenediazo) phenyl squaraine

1,3-N，N′-双-[4-（4′-硝基苯偶氮）苯基]异方酸二酰胺分光光度法测定味精中的谷氨酸根

ResultsThe main by-product was11,17-d i-addition product of Grignard reagent of N, N-dimethylamino phenyl bromide.

结果证实了副产物是11，17位双加成的格氏反应的产物。

Studies on the Synthesis of Sesamin-group Lignans IV.A Study of the Reaction between Dimethyl 2-Phenyl-furane-3,4-dicarboxylate and Grignard Reagents

芝麻素类型木脂素的合成研究Ⅳ2－苯基呋喃3，4－二羧酸二甲脂与格氏试剂反应的研究

A preferential 1,2 elimination reaction of syn diethyl ( 2-acetylamino-1-bromo-2-( p-methoxy-phenyl) ethyl) phosphonate 1 rather than the anticipated nucleophilic substitution reaction under basic conditions is described in the present paper.

报道了在碱性条件下，顺（2-乙酰胺基-1-溴-2-（对-甲氧基苯基）乙基）膦酸二乙酯进行的是-1,2-消除反应而不是所期望的亲核取代反应。

The thesis discusses the phenyl chlorine silane cleaner production technologies, and puts forward the synthesis of phenyl trichlorosilane technical route through the application Grignard reaction which can solve shortcomings of traditional methods, that is high energy consumption, more by-products, and environment pollution. 2.

文中论述了苯基氯硅烷的清洁生产工艺，提出了用格氏法合成苯基三氯硅烷的研发思路，从根本上解决传统方法能耗高、副产物多，环境污染的缺点。

Ethyl-4'-cyano-phenyl Carboxylic ester, a liquid crystal compound, was prepared from ethyl benzene by reaction of Friedel-Crafts, haloform, acylation and esterification in 44.8% overall yield.

以乙基苯为原料，经付-克反应、卤仿反应、酰化和酯化合成了液晶化合物对乙基苯甲酸对氰基苯酚酯，四步总收率44.8%。

Synthesis of N-phenyl Maleimide by Decompressed Azeotropic Method

减压共沸法合成N-苯基马来酰亚胺

Centalum ( 2-methyl-1-phenyl-3-butyne-1,2-diol) The video is about Nottingham Trent University.

这一部有关诺丁汉特伦大学的录像。

Objective To explore new mutation in phenylalanine hydroxylase ( PAH) gene.

目的检测中国苯丙酮尿症（phenylketonuria，PKU）患者苯丙氨酸羟化酶（Phenylalanine hydroxylase，PAH）基因新的突变位点。

Phenylalanine dehydrogenase ( EC 1.4.1.20) is employed for the determination of Phenylketonuria ( PKU) in the clinic.

苯丙氨酸脱氢酶（Phenylalanine dehydrogenase，EC1.4.1.20，简称PheDH）是临床苯丙酮尿症的检测用酶。

Objective To obtain the mutation spectrum of exon 12 of the phenylalanine hydroxylase ( PAH) gene.

目的了解中国人苯丙酮尿症（phenylketonuria，PKU）患者的苯丙氨酸羟化酶（Phenylalanine hydroxylase，PAH）基因第12外显子点突变种类和频率。

two alkyl phenyl ether chain isomers and seven long chain alkylphenol chain isomers were obtained by separating the long chain alkylphenol with centrifugal thin layer plate separator.

使用离心薄层层析仪对长链烷基酚进行分离，得到2个烷基苯基醚链异构体和7个长链烷基酚链异构体。

the poly-oxyethylene alkyl phenyl ether obtained by calcium oxide catalyst had perfect quality with narrow molecular weight distribution, high cloud point, good appearance and low by-product peg.

乙氧基化制得的烷基酚聚氧乙烯醚产品分子量分布窄，浊度高，外观色泽好，副产物聚乙二醇（PEG）低。

through nmr analysis, it was discovered that isomerization of alpha olefine, rearrangement of the alkyl phenyl ether molecule and isomerization among the alkylphenol ring isomers were occurred. a reaction mechanism was proposed.

NMR分析结果表明，长链烷基酚合成中发生了α－烯烃的异构化和烷基苯基醚分子内重排以及烷基酚环异构体之间的异构化等，同时给出了它们的反应机理模型。

a new method of spectrophotometric determination of trace amount of chromium(ⅵ) with high sensitivity-tetrakis ( 4 dimethyl amine ammonium phenyl) porphyrin

超高灵敏度测定水中痕量铬（Ⅵ）的新方法&四（4-二甲胺苯基）卟啉分光光度法

improve the equipment for preparation of phenyl ethyl ketone in the experiment

制备苯乙酮实验装置的改进