The classification of the corrosiveness of gaseous agents on the structural material are depend on agent type, agent density and environmental humity.
气态介质对建筑材料的腐蚀性分级决定于介质类型、浓度及环境湿度。
2
A new method for the sterilization of dental hand-piecxes by the joint action of a high-concentration gaseous ozone sterilizing agent and high-intensity ultraviolet ray has been put forward.
提出了高浓度臭氧气体消毒剂和高强度紫外线联合作用消毒口腔手机的新方法。
3
The chemical agent is sprayed into the smoke through a revolving sprayer, thereby being capable of effectively removing the gaseous mercury and achieving the aim of purifying the smoke.