例句 /

The development and chemical constituent of porphyrin reagents are reviewed. The synthesis of porphyrin reagents, chemical reaction mechanism and conditions are described, and its trends are expatiated also.

The development and chemical constituent of porphyrin reagents are reviewed. The synthesis of porphyrin reagents, chemical reaction mechanism and conditions are described, and its trends are expatiated also.

摘要论述了国内外关于卟啉的研究进展、化学组成;阐述了卟啉类化合物的合成方法、反应历程及影响因素,并对卟啉类化合物的研究方向作了概述。