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)。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。