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原帖由 井忘川 于 2006-5-8 07:55 发表
8 u, a) h7 L- { \' z3 t* N键盘辐射最大是没错的。7 E) P9 Z r2 E! T. P; S5 `
你知道计算机的辐射量是多少吗?
9 G: g n8 h7 |" s% k e2 U+ X8 p1.键盘1000V/m
, ?# O6 z) L7 S- o5 F V2.鼠标450V/m$ c, U; R: ]8 S/ e1 R! r8 U
3.屏幕218V/m
+ i$ U& i" e( |3 V6 y4.主机170V/m。 5 f' N! x" X! V7 ~% G
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国际标准 TCO’99对CRT显示器的电场强度要求是:0 O4 x+ m4 S$ I' k9 | p2 |+ C, ]
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30; ^: r2 a! m. @% P: }( U- a; ~
cm in front of the VDU and at 50 cm in front of it.
/ P4 T/ @+ V. D) w: ]: wBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
% M+ g: p: Q0 I1 G; F" j3 F50 cm around the VDU and at 30 cm in front of it.
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ref: http://www.d-silence.com/downloads/99crt.pdf5 e) n/ ?" k% ?* y' y# M( Z
- Y$ F! t5 P$ ^9 D( R你这218v/m有何科学依据?
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, q5 o( h. r: ~; y+ Bgoogle了一把,源头是这:
% h* g( s2 h. }; i, G" i5 r6 rhttp://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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