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

其主要成分是苯基-烷、叶绿醇、正十六碳、2,4,6-(1,1-乙基)-苯酚等,这为一步开发利用蒌蒿提供了科学依据。

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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/石油醚溶液中锗的含量。

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

实验结果表明,偶氮基团的引入改善了8-羟基喹啉的生色能力,并且在乙腈溶液中随着取代基由苯基变为萘基和蒽基时,化合物的吸收光谱发生红移。

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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.

光学活性杀菌剂的合成中间体N-(2,6-苯基)-丙氨与l-薄荷醇在催化剂作用下,生成非对映异构体的薄荷醇酯。

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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—苯基甘氨对5种金属离子的萃取能力强于N—正丁基甘氨。

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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.

首次合成了一种新型的四(对甘氨酰甘氨)苯基卟吩及其稀土镱、钐的配合物。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行了表征。

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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.

利用激光闪光光解行了有氧和无氧条件下氯化苯基锡与亚硝水溶液的紫外光解反应研究。

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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的几种主要工艺方法,对环己酮缩合脱氢法制邻苯基苯酚的合成方法及研究状况行详细阐述。

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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.

以邻氯苯和对乙氧基苯胺为原料,经过胺的苯基化、芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。

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

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

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

异氰基化合物一步聚成苯基碳化亚胺,后者又聚合生成含氮杂环的多环芳烃。

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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]的合成与改性及在覆铜板中的应用作了初步探讨,并对其屏蔽紫外线与产生荧光的机理作用作了简单阐述。

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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的过程中,发现4-(4-羟苯基)-2-丁醇(杜鹃醇:以下简称RD)抑制黑色素合成的作用比熊果苷更强。

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

本文研究了以3-氯丙醇,苯基膦和丙醛为原料利用威蒂希反应合成叶醇的新路线。

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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氯化铝作催化剂的条件下制备苯基异丙基酮。

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

以苯基-4-苯硫基代苯基硫鎓盐(DPTS)为光引发剂,研究了乙烯基正丁醚的本体和溶液光聚合。

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

建立水产品中丙基锡、丁基锡和苯基锡的气相色谱-质谱(GC-MS)分析方法。

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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,优化得到了较满意的中位取代四苯基卟啉(H2TPP)的分子构型。

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

茂铁基苯基醇与氟化硼-乙醚溶液在氯烷中作用,形成茂铁苯基基碳正离子。

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双语版 TED-Ed 演讲精选

Named Kevlar, this alternating blend of 1,4-phenylene-diamine and terephthaloyl chloride combine at the molecular level to form a series of parallel chains.

这种由 1,4-基二胺和对二酰氯交替混合而成合物被命名为凯夫拉,在分子水平上结合形成一系列平行链。

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Crash Course 综合篇

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

现在是几乎无限可能基合物之一。

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Crash Course

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

们还知道第三个碳上有一个基。

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博兹曼科——

And so in an acid-base titration what we'll use is phenolphthalein.

因此, 在碱滴定中, 们将使用是基邻二。

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Boost Your Biology with Lucas Aoun

So what I did is I took I took one gram of L-tyrosine, 500 milligrams of D-L-phenylalanine just for precursor for the dopamine.

所以服用了1克L-酪氨和500毫克D-L-基丙氨,后者作为多巴胺前体。

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Boost Your Biology with Lucas Aoun

And then we discovered that it's a natural source of phenylethylamine, which is PEA, which is known in chemistry as being the molecule of love, the molecule of joy.

后来们发现, 它是一种天然基乙胺来源,即PEA,在中被称为“爱分子”、“快乐分子” 。

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Crash Course 综合篇

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

当用作连接物时, 们称其为基, 因此这是 2-基己烷。

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Crash Course 综合篇

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

它们是一个由基连接基, 而不是直接连接。

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Crash Course 综合篇

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基取代,那么这种物质首先来自苏合香科树木, 因此被称为乙烯。

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