Popis: |
With the increase of urban electromagnetic radiation source, electromagnetic environment pollution which poses a threat to the health of the residents is increasingly worse, there exists a controversy to the safety limit. In order to master the basic information about urban electromagnetic radiation source of major cities in Jilin, the statistical analysis of environmental comprehensive field monitoring data is conducted in Jilin province’s major cities, Changchun, Yanji and Siping ,the result shows that the electric field intensity of the environmental electromagnetic radiation in three cities is below China electromagnetic radiation safety standard. Then according to the research situation at home and abroad , combining the practical situation of Jilin province, this article discusses the protection standard of environmental electromagnetic radiation and provides the suggested values of the safety threshold limit of electromagnetic radiation . |