purificant
n. 净化剂，洁净剂
例句
The invention relates to a negative ion indoor air purificant and a method for preparing the same.
本发明涉及一种负离子室内空气净化物及其制备方法。
Lithium hydroxide is used as purificant in special environment to adsorb CO2 breathed out by person.
氢氧化锂在特殊环境中用作空气净化剂，吸收人体呼吸排出的二氧化碳。
The invention discloses a fast purification method of the air pollution of an environment inside a vehicle and a purificant.
本发明公开了一种车内环境空气污染快速净化方法及净化剂。
