有奖纠错
| 划词

Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

二茂铁基苯基甲醇与三氟化硼-乙醚溶液在二氯甲烷中作用,形成二茂铁苯基甲基碳正离子。

评价该例句:好评差评指正

By using phenylfluorone photometer analysis,solution of germanium content in 2-octanol and petroleum was measured.

本文采用苯基荧光酮分光光度法测定仲辛醇/石油醚溶液中锗含量。

评价该例句:好评差评指正

The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.

以二苯基-4-苯硫基代苯基硫鎓盐(DPTS)为光引发剂,研究乙烯基正丁醚本体和溶液光聚合。

评价该例句:好评差评指正

The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.

实验结果表明,偶氮基团引入改善8-羟基喹色能力,并且在乙腈溶液中随着取代基由苯基变为萘基和基时,化合物吸收光谱发红移。

评价该例句:好评差评指正

MNDO calculations and group theory were carried out on tetraphenyl porphyrine(TPP) to obtain its optimum molecular geometry.

运用MNDO计算和群论,优化得满意中位取代四苯基(H2TPP)分子构型。

评价该例句:好评差评指正

The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.

其主要成分是三苯基-甲烷、叶绿醇、正十六碳酸、2,4,6-三(1,1-二甲乙基)-苯酚等,这为进一步开发利用蒌蒿提供科学依据。

评价该例句:好评差评指正

A new path for the preparation of leaf alcohol with 3-chloropropanol, triphenylphosphine and propionaldehyde through Wittig reaction was studied.

本文研究以3-氯丙醇,三苯基膦和丙醛为原料利用威蒂希反应合成叶醇新路线。

评价该例句:好评差评指正

Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.

建立水产品中三丙基锡、三丁基锡和三苯基气相色谱-质谱(GC-MS)分析方法。

评价该例句:好评差评指正

Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.

由苯与异丁酰氯在无水三氯化铝作催化剂条件下制备苯基异丙基酮。

评价该例句:好评差评指正

To continue the natural identified chemical after that,we have found that 4-(4-hydroxyphenyl)-2-butanol(Rhododendrol:RD)inhibited the melanin synthesis more than Arbutin did.

我们在探索天然化合物过程中,发现4-(4-羟苯基)-2-丁醇(杜鹃醇:以下简称RD)抑制黑色素合成作用比熊果苷更强。

评价该例句:好评差评指正

This paper initially discussed synthesis and modification of tetrafunctional epoxy resin(1,1,2,2- tetrakis(hydroxy phenye)ethane),as well as application in copper clad laminate.

对四官能环氧树脂[1,1,2,2-四(对羟基苯基)乙烷四缩水甘油醚]合成与改性及在覆铜板中应用作初步探讨,并对其屏蔽紫外线与产荧光机理作用作简单阐述。

评价该例句:好评差评指正

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚成二苯基碳化二亚胺,后者又聚合成含氮杂环多环芳烃。

评价该例句:好评差评指正

The main synthetic methods of o-phenylphenol were reviewed.The method and research status of dehydrogenation to o-phenylphenol after cyclohexane condensation reaction were discussed detailedly.

摘要介绍合成邻苯基苯酚几种主要工艺方法,对环己酮缩合脱氢法制邻苯基苯酚合成方法及研究状况进行详细阐述。

评价该例句:好评差评指正

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架β-苯基丙烯酸酯为中间体先引入双键,再经过三酮合环制备乙烯基吡喃。

评价该例句:好评差评指正

N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.

以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺苯基化、二芳胺环化、N-烷基化、硫代化反应合成N-丁基-2-乙氧基硫代吖啶酮。

评价该例句:好评差评指正

The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique.

利用激光闪光光解技术进行有氧和无氧条件下氯化三苯基锡与亚硝酸水溶液紫外光解反应研究。

评价该例句:好评差评指正

A new tetrakis( p glycylglycinephenyl)porphin and its rare earth (Yb,Sm) complexes were synthesized.They have been characterized by elemental analysis,UV vis,IR, 1HNMR and laser Raman spectra.

首次合成一种新型四(对甘氨酰甘氨酸)苯基卟吩及其稀土镱、钐配合物。用元素分析、红外光谱、紫外可见光谱、核磁共振和激光拉曼光谱等方法进行表征。

评价该例句:好评差评指正

As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N,N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions.

N,N—二苯基甘氨酸对5种金属离子萃取能力强于N—正丁基甘氨酸。

评价该例句:好评差评指正

The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.

光学活性杀菌剂合成中间体N-(2,6-二甲苯基)-丙氨酸与l-薄荷醇在催化剂作用下,成非对映异构体薄荷醇酯。

评价该例句:好评差评指正

用户正在搜索


acidity, acidityconstant, acidization, acidize, acidizer, acidizing, acidly, acidness, acidocyte, acidocytopenia,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

化学 Crash Course

We also know that there's a phenyl group on the third carbon.

我们还知个碳上有一个苯基

评价该例句:好评差评指正
Crash Course 综

When benzene is used as an attachment, we call it a phenyl group, so this is 2-phenylhexane.

当苯用作连接物时, 我们称其为苯基, 因此这 2-苯基己烷。

评价该例句:好评差评指正
Crash Course 综

They're a phenyl group joined by a methyl group instead of just directly.

它们一个由甲基连接的苯基, 而不直接连接的。

评价该例句:好评差评指正
Crash Course 综

Now benzoic acid is one of literally infinite possible benzene-based compounds.

在苯甲酸几乎无限可能的苯基物之一。

评价该例句:好评差评指正
Crash Course 综

If one of the hydrogens is replaced with a phenyl group, well that chemical was first derived from trees in the Styrax family, so it's called styrene.

如果其中一个氢原子被苯基取代,那么这种化学物质首先来自苏香科的树木, 因此被称为苯乙烯。

评价该例句:好评差评指正

用户正在搜索


acidometrictitration, acidometry, acidomycin, acidophil, acidophile, acidophilia, acidophilic, acidophilism, acidophilus, acidophilus milk,

相似单词


3G, 401(K), a,
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接