chemical modification的例句大全

It is economical as well as effective method to take chemical end-capping modification of PPC and melt blending modify it with the help of biodegradable materials.

因此，对PPC进行化学封端改性，并借助其他可生物降解材料对其进行熔融复合改性，是一种既经济又有效的重要方法。

By means of optimum chemical compositions, additions of N, Cr into the melt and modification procedure, an as-cast structure with metastable austenite matrix and relatively even distribution of carbide particles was obtained.

通过化学成分的优化，N、Cr等元素的加入和变质处理等措施，得到在稳定性较低的奥氏体基体上弥散分布有粒状碳化物的铸态组织。

Because of their structural limitations, the industry rarely used directly, through physical, chemical and biological modification, availability of many materials with excellent performance.

由于本身结构的局限性，工业上很少直接使用，但通过物理、化学和生物改性加工，可获得众多性能优良的材料和产品。

this paper not only has studied the formation mechanisms of phosphate chemical conversion film for one kind of magnesium alloy ( zm5) theoretically but also will widen the application of phosphate surface modification technique for magnesium alloys practically.

本文不仅从理论上研究了在ZM5镁合金表面生成磷酸盐化学转化膜的形成过程，课题的研究成果还将拓宽磷酸盐表面改性处理在镁合金中的实际应用。

Modification of nonmetallic mineral materials can be classified as physical and chemical.

非金属矿物材料的改性方法可分为物理改性和化学改性.

Modification of solution method of the saturation index model based on the chemical thermodynamics

基于化学热力学的饱和指数模型求解方法的改进

developments and uses of chemical agents for water blockage an injection profile modification in china

我国油田化学堵水调剖剂开发和应用现状