Chemical-Structures的意思|示意

The chemical structures were (identified) by physicochemical properties and spectral data analysis.

并通过理化数据测定及波谱分析，鉴定化合物结构。

Such an ambiguity brings troubles for the computer handling of chemical structures.

这种歧义性给化学结构的计算机处理带来了困难。

Within the plant kingdom are to be found a vast array of chemical structures.

在植物王国之内是被发现浩大的一些化学结构。

The chemical structures, spectral characters, methods of extraction and separation, toxicity and pharmacological activities of long-chain phenolic acids from exopleura of Ginkgo biloba were reviewed.

综述近年来有关银杏外种皮中已知的银杏酚酸类成分的化学结构、波谱性质、提取分离方法、毒性及药理作用等方面的研究概况。

The chemical structures that form the units of DNA and RNA and that encode genetic information i.e. the bases that make up the base-pairs are A, G, T, C and U (see DNA).

形成DNA、RNA单体以及编码遗传信息的化学结构，也就是组成碱基对的碱基包括A、G、T、C、U。

Methods:The isolation and purification were carried out by repeated silica gel column chromatography, and the chemical structures were determined by physicochemical properties and spectral analysis.

方法：采用反复硅胶柱色谱、葡聚糖凝胶色谱等分离纯化，通过理化常数和波谱分析鉴定其化学结构。