文档介绍：电磁辐射(diàn cí fú shè)的风险与防护
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一、电磁辐射(diàn cí fú shè)
电磁辐射是电磁能量以电磁波的形式经由过程空间传布的现象，它的传布速度即为人们但凡所说的光速。电磁辐射可按其波长、频率枚举成假设干频率段，形成电磁波谱。频率越高该辐射的量子能量越除夜，其生物学传染打动也越强。
电磁辐射源可以分为天然电磁辐射源和酬报电磁辐射源〔高频感应加热设备、高频介质加热设备、短波和超短波理疗设备、微波发射设备和无线电播送与通信等各类射频设备〕。雷电、太阳黑子勾当、宇宙