【摘 要】
：
随着电脑的日益普及,从70年代末以来人们开始关心电脑的电磁辐射对人体健康有无不良影响。电脑的电磁辐射来自视频终端显示器的阴极射线管,它能发射出软X线、紫外线、红外线
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随着电脑的日益普及,从70年代末以来人们开始关心电脑的电磁辐射对人体健康有无不良影响。电脑的电磁辐射来自视频终端显示器的阴极射线管,它能发射出软X线、紫外线、红外线、可见光以及射频、高频和低频电磁辐射。软X线在离屏幕5cm处的剂量为0～0.2mR/h(容许剂量是0.5mR
With the increasing popularity of computers, since the late 1970s, people began to concern about whether computer electromagnetic radiation has any adverse effect on human health. The computer’s electromagnetic radiation comes from the cathode ray tube of a video terminal display that emits soft X-rays, ultraviolet light, infrared light, visible light, and radio frequency, high frequency and low frequency electromagnetic radiation. Soft X-ray at a distance of 5 cm from the screen is 0 to 0.2 mR / h (allowable dose is 0.5 mR
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