查询词典 membered

The sources of the published data, with the group additivity path used in extrapolation where appropriate, are indicated in Table 1 for each species.

在必要时，氮气heteroatom 代替在a 和苯一样six-membered 圆环由形成热的改变塑造了由数额对吡啶转换。

Over the past four decades, many dearomatization reactions have developed and applied for synthesis of alicyclic compounds con-taining six–membered carboncyclic moieties.

芳香族化合物稳定、易得，通过芳香族化合物的脱芳构化反应，制备官能化的脂肪六元碳环化合物，早以引起人们的广泛兴趣。

Avermectins are a series of 16-membered macrocyclic lactones produced by Streptomyces avermitilis with potent anthelmintic and insecticidal activity.

阿维链霉菌产生的阿维菌素是一组高效、低毒、广谱的杀虫抗生素，在医药、农业和畜牧业生产中具有良好的应用价值和广阔的市场前景。

The aryl group can be a five- or six-membered heterocyclic ring.

芳基可以是五-或六-元杂环的环。

Azole:a class of organic compounds having a five-membered heterocyclic ring with two double bonds.

氮杂茂：一种由五种杂环元素，两组粘合剂组成的有机化合物。

Experimental results showed that the CuL complex had five-membered and six-membered rings containing two M—O,and one M—N bonds and that the ligand was of a multidentate one.

对其结构进行元素分析、摩尔电导率、紫外吸收光谱、红外吸收光谱、荧光光谱及电化学表征，结果表明，配合物同时含有2个M─O和1个M─N键形成的五元环和六元环，HL为多齿配体。

We have studied silica single and double chain based on two-membered ring and nanotubes based on three-membered ring using the density-functional theory at 6-31G level.

运用密度泛函理论，在6-31G基组水平上，对二元环组成的Si02单链、双链纳米线和三元环组成的纳米管进行几何优化，并对其结合能、电子结构和振动频率进行计算。

We have studied silica single and double chain based on two-membered ring and nanotubes based on three-membered ring using the density-functional theory at 6-31G level. The average binding energy, electronic structure and vibration frequency were calculated.

运用密度泛函理论，在6-31G基组水平上，对二元环组成的SiO2单链、双链纳米线和三元环组成的纳米管进行几何优化，并对其结合能、电子结构和振动频率进行计算。

Study on the structure and stablities of anion cluster(SiO_2)_nX~-3MR (three-membered ring) structure, 2MR (two-membered ring) linear chain structure and pseudotetrahedral cage structure have been proposed for the anion cluster (SiO_2)_nX~-(n=1~5 X=_, 0, OH).

主要研究(SiO_2)_nX~-(n=1～5 X=_，O，OH)离子团簇的三类典型结构(三元环结构、二元环链状结构和四面体笼状结构)。

Tudy on the structure and stablities of anion cluster(SiO_2)_nX~-3MR (three-membered ring) structure, 2MR (two-membered ring) linear chain structure and pseudotetrahedral cage structure have been proposed for the anion cluster (SiO_2)_nX~-(n=1~5 X=_, 0, OH).

iO_2_nX~-离子团簇结构和稳定性的理论研究主要研究(SiO_2)_nX~-(n=1～5 X=_，O，OH)离子团簇的三类典型结构(三元环结构、二元环链状结构和四面体笼状结构)。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了