Results Pyrethroid residue in mandril increased by 400% and porosity reduced by 45% after heatingelectrothermal vaporizing liquid.
结果电热蚊香液在加热后期芯棒中的拟除虫菊酯残留量增加400%，孔隙率降低45%。
2
Obiective Test the relationship between the heating time of electrothermal vaporizing liquid and the residues of pyrethroid in mandril.
目的测试电热蚊香液加热时间与芯棒中拟除虫菊酯残留量的关系。
3
Based on electrothermal principle and heat transfer theory, calculation formulas of electro heat parameters for direct resistance heating appliance are deduced in this paper.