Prescribed burning, fires set on purpose, is a common, if risky, method.
即是故意纵火，虽然涉及危险，却是常见的做法。
2
This paper analyses the effective mechanism of additive acting on coal burning process . Put forward that using additive is a practical method to reduce fuel coal burning pollution.
本文分析了添加剂对煤炭燃烧的影响机理，指出配煤添加剂是改善动力煤燃烧的污染排放问题的一个可行途径。
3
With the method of prescribed burning, the effects of burning on Leymus chinensis population in Inner Mongolia steppe were discussed.