Under low temperature, Cr2O3 is the main product,and with the increase of temperature, CrO2 and CrO3 start to generate,and under high temperature, CrO3becomes the main product.

• 在低温下,Cr2O3是主要的产物,而随着温度的升高,开始生成CrO 2和CrO3; 在高温下,CrO3成为主要产物。