摘要
介绍了空气负离子对人体的生物效应和空气负离子产生的机理，分析了负离子浓度随空间环境衰减的规律．
This paper explains the biological effect of air negative ion on the human body and mechanism of the yield of air negative ion, it analyses the law of its density decline with the environxnent as well.
关键词
空气
负氧离子
形成
浓度
衰减规律
arouse the electric place, electro-ionization electricplace, take-constant, uniter minal coefficient, aeroquality exponential appraisal
