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The common chemical constituents were juniper camphor,1,3,3-trimethylcyclohex-1-ene-4-carboxaldehyde,borneol,α-curcumene,α-bisabolol,cis-caryophyllene,benzyl benzoate,methyl β,β-dimethylbenzenepropanoic acid ester,2,4-decadienal and heneicosane in the essential oil of the five cultivars' Hangjuhua.Among them,juniper camphor is most which were composed of 11.96%,10.51%,10.95%,13.28% and 10.77% of the total essential oil,and methyl β,β-dimethylbenzenepropanoic acid ester is second,which were composed of 1.51%,1.86%,2.52%,4.89% and 2.51% of the total essential oil,respectively.

5种栽培类型杭菊花挥发油中共有成分为1,3,3-三甲基环己-1-烯-4-甲醛、冰片、α-姜黄烯、α-甜没药萜醇、顺式石竹烯、桧脑、安息香酸苄酯、β,β-二甲基苯丙酸甲酯、2,4-癸二烯醛和二十一烷;其中桧脑含量最高,分别占挥发油总量的11.96%,10.51%,10.95%,13.28%和10.77%,为5种栽培类型杭菊花挥发油中最具特征的成分;其次是β,β-二甲基苯丙酸甲酯,分别占挥发油总量的1.51%,1.86%,2.52%,4.89%和2.51%。

Keywords: Organozinc reagents; cis-Addition Products; Ring-expansion; Chain-extension

中文关键词:有机锌试剂;环氧的顺式开环;酮酯的扩环;碳链增长

Organozinc reagents; cis-Addition Products; Ring-expansion; Chain-extension

中文主题词:有机锌试剂;环氧的顺式开环;酮酯的扩环;碳链增长

However, this contradicts other experiments that have demonstrated that treated tumor cells do not contain bare platinum, but rather undegraded cisplatin—accumulated in certain organelles.

其中就含有一些完整的顺式铂氨。小泡接着进入胞内,并且和包括细胞核在内的细胞器发生接触。

Treatment of polystyrene-supported selenium ,bromide with lithium acetylides afforded polystyrene-supported selenoacetylene, which reacted with dicyclohexylborane giving a way for stereoselective synthesis of polymer-supported- vinylic selenides .

聚苯乙烯负载硒溴与炔基锂反应合成聚苯乙烯负载炔基硒醚,再与二环己基硼烷反应制得聚苯乙烯负载顺式烯基硒醚;此负载型烯基硒醚在NiCl2(PPh3)2存在下与格氏试剂发生偶联反应,提供了一种有效的-1,2-二取代乙烯的固相有机合成方法

This requirement may be satisfied by the submission of information such as the following: name (generic name, chemical name, code number ); Chemical Abstracts Service number if available; description (e.g., appearance, color, physical state ); molecular formula and molecular weight; structural formula (including ionic state if applicable ); stereochemistry identifying chiral centers, cis-trans isomerism, etc.

有的话、描述(如:外观、颜色、物理状态)、分子式和分子重量、结构式、立体化学(找出手性中心、顺式贯穿异性等)、对映结构体或固态形式比率(如:外消旋物、规定的异构体、对映异构物和固态形式的混合物)、溶解性档案、分隔系数、溶液pH值、解离常数、熔点和沸点、拆射率、精确重力。

Objective To evaluate and compare the histamine release and hemodynamic changes caused by cisatracurium and atracurium during induction of general anesthesia.

目的 在全麻诱导期间观察单次静注顺式阿曲库钱后的组胺释放作用及其对血流动力学的影响。

In this paper, the establishment of a new, rapid method for the specific detection of infectious HAV and the feasibility to exchange HAV IRES and 5 NTR with its counterparts from poliovirus were investigated.

本研究对检测感染性甲肝病毒快速方法的建立和用异源IRES或5'非编码区替换甲肝病毒相应顺式作用元件的可行性进行了探索。

E. . The epoxidation of cis-allylic alcohols is difficult, and with 20%mol Ti 〓 and 30%mol tartrates, up to 80%e.

的对映选择性被得到;对难于环氧化的顺式烯丙基醇,使用20%mol四异丙氧基钛和30%mol酒石酸酯得到最高80%e.e。

Therefore, one of central problems in biomedicine f...

因此,识别顺式作用元件并且预测它们的功能是生物医学领域的一个中心问题。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。