The chemical constituent change in bond area is the main factor that makes the martensitic zone.

熔合区化学成分的变化是马氏体带形成的主要原因。

A chemical constituent (element or compound) of an alloy, which may be used to specify its composition.

合金的任一组成(以是元素或化合物)可以被用于区分其构成成分。

Liquid glass is composed of almost pure silicon dioxide, the chemical constituent of quartz or silica, basically like ordinary glass.

液态玻璃几乎是由纯二氧化硅构成的，二氧化硅就是石英或硅石中的化学成分，基本上象普通玻璃一样。

The phase composition and chemical constituent, reaction properties and foaming ability of high-Mg phosphate gangue were studied.

对某磷矿尾矿的物相和化学组成、反应特性及发泡性能进行了研究。

Plant resources are very rich in China, and it is very important to study the chemical constituent and Pharmacological activities of Jasminum.

该属植物在我国资源非常丰富，对其进行进一步的研究和开发具有重要意义。