The liver is the majority of medicines transformation metabolism place, when liver metabolism, some medicines itself and its metabolite may have direct or the indirect toxic damage to the liver cell.

In the light of analysis of temperature reducing principle and the problems of gas cooling in the old dry dedusting system, a transformation plan of gas indirect cooling was proposed.

SOC content and the direction of decomposition and transformation were affected by direct and indirect effects of soil properties, but their influence mechanism are different.