Basic principles and methods in applicable blur maths were applied to evaluate the hazards of the major productive toxicants like nickel,cobalt,copper,vitriol fog,SO_2 and chlorine.

• 应用模糊数学的基本原理和方法,对冶炼厂镍、钴、铜、硫酸雾、二氧化硫、氯气等主要生产性毒物的危害进行综合评价。