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原帖由 井忘川 于 2006-5-8 07:55 发表( e( U- u$ A3 v; \
键盘辐射最大是没错的。: `5 ~/ G" ]- h* n
你知道计算机的辐射量是多少吗?2 x4 z+ j4 c. m- a
1.键盘1000V/m8 p! E4 a; c/ V1 y7 f
2.鼠标450V/m4 D/ x8 N* z6 \$ |
3.屏幕218V/m( a7 l3 `2 y ?- k# Q# S
4.主机170V/m。 - [* P/ }$ N4 e8 L
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国际标准 TCO’99对CRT显示器的电场强度要求是:1 h5 _% S- O9 h' W4 ]# o2 ]
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30- R3 i; c4 m$ u- d
cm in front of the VDU and at 50 cm in front of it.
9 {0 s; m1 x' N# s( ^: UBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
- a( M/ K" v5 q- g: P; Y) Z3 ?50 cm around the VDU and at 30 cm in front of it.
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ref: http://www.d-silence.com/downloads/99crt.pdf% ^, D6 y# K( y. f, _$ Y# [- V. s
7 Y$ e- ^; S' H% z' ^' R你这218v/m有何科学依据?* L, B2 _1 P9 F) k6 a4 ^! x7 g
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google了一把,源头是这:! t! i; u; ^/ e3 |6 X. i7 N- k
http://www.daniweb.com/techtalkforums/thread10489.html' h9 I7 t8 z$ B/ @, T! g
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估计就这样以讹传讹了。
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1 o8 l! C, y# [2 }[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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