Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2019, Vol. 35 ›› Issue (18): 44-49.doi: 10.11924/j.issn.1000-6850.casb18020011

Special Issue: 农业气象

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A review of negative air ion

  

  • Received:2018-02-02 Revised:2018-10-08 Accepted:2018-10-12 Online:2019-07-01 Published:2019-07-01

Abstract: The study first summarizes the concept, function, formation and formation mechanism of NAI (Negative Air Ion), as well as the measurement method and grading evaluation method of NAI. Then, the diurnal variation, seasonal variation and regional variation characteristics of NAI and the factors influencing NAI concentration were summarized by summarizing the related research of predecessors, and the regularities of these conclusions were summarized. Finally, by analyzing the current research of many scholars, it is found that some problems need to be solved further in the related research of NAI.

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