membered的例句大全

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.

The progresses in five-membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.

综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用.

Special methods for four-membered Carbocyclic rings are given in Chapter 32.

制取四碳环化合物的特殊方法是在第三十二章中阐述的.

This Paper has reviewed five-membered cyclic sulfate's synthesis and it's application for stereoselective synthesis.

本文将对五元环硫酸酯化合物的合成及其在有机立体合成中的应用作一综述.

Proline is the only natural amino acid which contains an important five-membered secondarygroup.

脯氨酸是天然氨基酸中唯一含五员环亚胺,其衍生物和类似物广泛用于不对称合成、对映体拆分和生物化学中.

The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively, and the five-membered ring exhibits an envelope conformation.

其中六元环分别呈现微扭曲的椅式构象、严重扭曲的椅式构象及半椅式构象；

Achievements on the Application of Hydrazine and Related Compounds for the Synthesis of Five-Membered Azole Heterocycles

肼类衍生物在五元唑类杂环合成中的应用进展

The calculated results show that the aza Wittig reaction is a two step reaction, having one four membered ring intermediate on its reaction surface.

计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。

Computing the Wiener index of Six-membered ring spiro chains using block-cut-vertex tree

利用块割点树计算六环螺链的Wiener指标