This paper studied the physical and chemical change of soaked pork fat in Yu Bing Shao rice wine processing.

研究了豉香型米酒陈酿过程中浸泡猪肉脂肪的物理化学性质变化。

youdao

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。

youdao

Weathering means the physical and chemical change of minerals and rock under new physical and chemical condition. It is a change in original place affected by atmosphere and bioss.

风化(weathering)作用：是指矿物、岩石在地表新的物理、化学条件下所产生的一切物理状态和化学成分的变化，是在大气及生物影响下岩石在原地发生的破坏作用。

youdao

The rocks change in both chemical and physical ways.

VOA: special.2009.09.14

Some, including Dr Riebesell, suspect that these physical and chemical effects of warming may prove a greater driver of productivity change in the ocean than altered pH.

ECONOMIST: Ocean acidification