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http://epa.gov/radtown/tv-computer.html:
$ V& Q6 [* |7 l1 J2 j2 ?8 | “There is no evidence that radiation from televisions or 8 W* y5 X( G5 Q
computers has resulted in human injury. The radiation safety standards
7 F1 J' ?- Z+ U0 G3 y% I vfor TVs, computers and other consumer products set and enforced by FDA
9 O3 J P- P ]/ ~ l' o! salso work to keep you safe. Keep in mind that television and computer
6 \2 Y4 j. k `( Z3 n& _% Yscreens have not been found to give off any measurable level of 0 _8 @" h; \9 E- {. [3 o& F
radiation./ X7 y) l3 O1 A! [2 Z, V
There are two simple steps you can take if you are concerned about ; f7 @" X1 Y) p( Y
being exposed to radiation from television or computer screens.
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Time: Limit the time spent around your TV or computer screen;
, c- H8 e$ r; m Distance: Increase the distance between you and the radiation
Q. m$ G1 E1 s& ksource. FDA advises sitting a distance of at least two to three feet ' z0 a; ~3 R i0 j' H7 A
from the screen to limit exposure. ” ) c& h) ? v9 p
常见辐射的问题有比较详细的问答:http://www.fcc.gov/oet/rfsafety/rf-faqs.html#Q23& [3 [2 r0 L# r
手机的SAR值查询:
( ^6 [" p6 M7 @绝大多数的手机都有一个“FCC ID”。打开手机后盖,把电池扣下来,. |$ U+ g2 t5 E' | n: B% Z# d; r
就可发现。记下来,然后在http://www.fcc.gov/oet/ea/fccid/查询即可。例如,: [7 W, S6 W+ O* ]! U
一个手机的FCC ID是“QMNRH-103”,在网站中分别输入“QMN”和“RH-103”,$ x& |1 R* U2 }0 e
确定即可得出结果,然后点击“Display Grant”,出现新的网页,在网页底部
3 ~3 n, b7 B' t g; d: h6 E& J内容中即可找出该手机的头部和身体的SAR值“Head: 1.22 W/kg; Body: 0.72 . s4 B. i8 y3 M( ?# t) R+ M
W/kg ”。该结果中还提到了手机与人体的距离等条件。有兴趣的网友可以自己 z+ Y0 J" x; k; B; a: p
试着查下一下自己手机的SAR值。
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