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原帖由 井忘川 于 2006-5-8 07:55 发表
+ q; e/ A) k5 |键盘辐射最大是没错的。
; {/ _ O: O4 _7 A你知道计算机的辐射量是多少吗?
. Y2 J4 a" L6 l, F) U1.键盘1000V/m6 T/ w( P! z7 U: i& f9 M
2.鼠标450V/m* d; M# G; W; m) z: F" i s
3.屏幕218V/m) a5 q, Z: p6 L: Y F
4.主机170V/m。 0 }. i% H! \8 v7 c; f: i" O
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2 o0 ^4 ^% G# {国际标准 TCO’99对CRT显示器的电场强度要求是:% W4 Z1 Q T: q- l
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
- H7 }: q0 b( M: `cm in front of the VDU and at 50 cm in front of it.
. x: ]8 J1 B7 V/ PBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
, ]+ b) i7 [+ \0 i8 L" s; U0 G50 cm around the VDU and at 30 cm in front of it.. @; Q9 E$ s X6 m
, _3 j s" P+ M# {ref: http://www.d-silence.com/downloads/99crt.pdf
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& d0 C8 g; t g0 x+ ?1 [( q+ g. }你这218v/m有何科学依据?0 K* v" `8 T# c J: p' C
2 k# l% V$ p' o: w% g; U ggoogle了一把,源头是这:
- B6 |! P; R+ r' ^0 `, zhttp://www.daniweb.com/techtalkforums/thread10489.html9 }9 M1 { S" k8 |8 H( j/ ^
) w' X8 b p4 h9 {* k! r估计就这样以讹传讹了。- P" D6 q3 x% }' D) t
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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