共价

The relationship between bond valence and bond covalency has been investigated by a semiempirical method.

一种半经验方法研究了固体材料中键电荷键性的关系。

The chemical modification methods of food proteins are summarized,including acylation,deamidation,phosphorylation,glycosylation,covalent cross-linking effect etc.

综述了酰、去酰胺、磷酸、糖基、交联等食品蛋白质的学改性技及方法。

The immobilization methods including absorption,covalent bonding, and combination of above two methods) and classification of inulinase were introduced.

介绍了酶固定（包括吸附法、法以及吸附法法结合使方法）及菊粉酶的种类。

A method to calculate new valence electronegativity and the ionicity of chemical bond of the transition metal elements is also presented here.

提出了计算过渡元素态半径的公式;提出了计算过渡元素新态电负性和学键的离子性的方法。

The most commonly used method for the covalent binding of biomolecules onto 1-D nanostructures is through the diimide-activated amidation of carboxylic acid terminated nanostructures.

最常的方法是通过端羧酸基纳米结构的二酰亚胺活氨基合物来进行生物分子1-D纳米结构的结合。