heading group meaning in English

头栏

Glycerolipids are synthesized from glycerol 3 - phosphate by the addition of fatty acid chains and a head group
植物体中的线粒体、质粒以及内质网可合成甘油脂。
In this paper , a new amphiphilic molecule ( n , n - dimethylferrocenylmethylhexad - ecylammonium bromide , fc16ab ) with fc moiety as the head group was synthesized and characterized by ft - ir , h1nmr , esms etc . the studies about electron level structure and surface activity of fci & ab are carried in detail at first
接着对其电子能级结构，以及表面性质作了研究，表明fc _ ( 16 ) ab是一种具有潜在应用价值的光电功能成膜分子。然后以这种功能分子为主，研究其单分子膜物理化学特性，以及构筑超薄有序膜的方法。