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原帖由 井忘川 于 2006-5-8 07:55 发表
7 _9 H5 O8 a& z- ]键盘辐射最大是没错的。1 M0 i! e/ c" R, G
你知道计算机的辐射量是多少吗?3 v; l+ ?" n' H6 D( ~; ^% O
1.键盘1000V/m
1 ?! @. A) A; a8 K( O s5 g1 v2.鼠标450V/m
# z2 g& q+ X0 Z+ i) Z3.屏幕218V/m8 e. U% z9 W3 y. B( E) K! Y3 E
4.主机170V/m。
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5 f% A9 r* b! o# R! z国际标准 TCO’99对CRT显示器的电场强度要求是:
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30, a7 L" f k O3 O3 m. N' H
cm in front of the VDU and at 50 cm in front of it. {' F6 \, r# Y( x
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at/ y- T# ] B# S6 j- _' t
50 cm around the VDU and at 30 cm in front of it." q. y( k" J5 Q0 Q, O
/ e' D8 j! f7 d K% C, `ref: http://www.d-silence.com/downloads/99crt.pdf3 m6 g, g" n. @0 d2 Y# S2 p
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你这218v/m有何科学依据? c) b% W5 `% Z" ]" ~5 K3 O
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google了一把,源头是这:
3 P7 D2 k) k; m5 V5 b) j8 vhttp://www.daniweb.com/techtalkforums/thread10489.html2 P! b; z% f i1 k7 Y" H+ q
7 @: r' I1 L, L1 L; _" C; z( L# A估计就这样以讹传讹了。5 P% U: J4 N9 Z' @* r
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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