physical-chemical change的意思|示意

This method is purely physical process, and has no any chemical change and pollution. It is an ideal way to withdraw the flavanone of corn silk.

结论该方法采用全物理过程，无任何化学变化及污染，是提取玉米须黄酮类物质的有效途径。

After some way to deal with the original starch, the different degree to change its physical or chemical properties of the original.

原淀粉经过某种方法处理后，不同程度地改变其原来的物理或化学特性。

This paper introduces the physical and chemical change of particleboard in the course of hot pressing and analyses the effect of temperature, heating time and pressure.

介绍了刨花板热压过程中板坯的物理变化和化学变化，分析了热压温度、时间、压力在热压过程中的作用，阐明了热压工艺是刨花板生产中产品质量保证的重要环节。

If you want to know the structure and properties of the atom, you must make physical and chemical experiments to change the state of the atom.

你要知道原子的组织同性质，你就得实行物理学和化学的实验，变革原子的情况。

The existence of seepage through soil mass makes the shearing strength change (mainly become smaller)because of the mechanical, physical and chemical reaction of water flow.

当土体中存在渗流时，由于水流的力学、物理、化学等作用，会使土体的抗剪强度发生变化（主要趋势是使抗剪强度降低）。

Separation technology of macroscopic absorption resin could change physical and chemical parameters of different combinatorial herbs of Chinese drug extracts.

大孔树脂分离技术可改变中药复方不同药物组合的物理化学参数。