Buckus Raimondas, Strukcinskiene Birute, Raistenskis Juozas
Vojnosanit Pregl. 2014 Dec;71(12):1138-43. doi: 10.2298/vsp140119013b.
BACKGROUND/AIM: During recent years, the widespread use of mobile phones has resulted in increased human ex- posure to electromagnetic field radiation and to health risks. Increased usage of mobile phones at the close proximity raises questions and doubts in safety of mobile phone users. The aim of the study was to assess an electromagnetic field radiation exposure for mobile phone users by measuring electromagnetic field strength in different settings at the distance of 1 to 30 cm from the mobile user.
In this paper, the measurements of electric field strength exposure were conducted on different brand of mobile phones by the call-related factors: urban/rural area, indoor/outdoor setting and moving/stationary mode during calls. The different types of mobile phone were placed facing the field probe at 1 cm, 10 cm, 20 cm and 30 cm distance.
The highest electric field strength was recorded for calls made in rural area (indoors) while the lowest electric field strength was recorded for calls made in urban area (outdoors). Calls made from a phone in a moving car gave a similar result like for indoor calls; however, calls made from a phone in a moving car exposed electric field strength two times more than that of calls in a standing (motionless) position.
Electromagnetic field radiation depends on mobile phone power class and factors, like urban or rural area, outdoor or indoor, moving or motionless position, and the distance of the mobile phone from the phone user. It is recommended to keep a mobile phone in the safe distance of 10, 20 or 30 cm from the body (especially head) during the calls.
背景/目的：近年来，手机的广泛使用导致人类接触电磁场辐射增加，健康风险也随之增加。在近距离频繁使用手机引发了对手机用户安全性的质疑。本研究的目的是通过测量距离手机用户1至30厘米的不同环境中的电磁场强度，评估手机用户的电磁场辐射暴露情况。
本文通过与通话相关的因素，即城乡地区、室内/室外环境以及通话期间的移动/静止模式，对不同品牌手机的电场强度暴露进行测量。将不同类型的手机在距离场探头1厘米、10厘米、20厘米和30厘米处面向探头放置。
农村地区（室内）通话时记录到的电场强度最高，而城市地区（室外）通话时记录到的电场强度最低。在行驶的汽车中使用手机通话的结果与室内通话类似；然而，在行驶的汽车中使用手机通话时的电场强度比站立（静止）位置通话时高出两倍。
电磁场辐射取决于手机功率等级以及城乡地区、室外或室内、移动或静止位置以及手机与手机用户之间的距离等因素。建议在通话期间将手机与身体（尤其是头部）保持10厘米、20厘米或30厘米的安全距离。
