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原帖由 井忘川 于 2006-5-8 07:55 发表
+ F8 A: X3 X$ n( h7 _; |" ` f: Z2 e键盘辐射最大是没错的。
2 ]7 z% G+ K. _你知道计算机的辐射量是多少吗?+ _* p0 Q# g2 `' T. P# ?/ Z; R
1.键盘1000V/m: y3 `) c. e, @: _4 W' ]3 Y
2.鼠标450V/m
( O) _/ w/ V+ [5 e E3.屏幕218V/m
j6 a, s7 r U4.主机170V/m。 ! j2 G7 W" O( j/ F# C% q6 ?: e( m3 y5 G
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+ j# M) @0 |) x( j国际标准 TCO’99对CRT显示器的电场强度要求是:9 l1 s3 Z4 {& _' [! g
4 e0 T5 \ `& d+ \) DBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
; k) C: ]5 Y/ z' ` B$ H% X& `cm in front of the VDU and at 50 cm in front of it.
' E( f p2 {/ l" v8 R! j" S6 g; WBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at0 }9 S9 Q- l: `5 g. ]$ [$ F
50 cm around the VDU and at 30 cm in front of it.0 W! `7 K# y L: y: n) i# g8 C$ p1 v
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ref: http://www.d-silence.com/downloads/99crt.pdf0 B1 y# z; w: V" X. E
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你这218v/m有何科学依据?; x+ u" t. v3 b; Y5 |8 Y0 u" N
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google了一把,源头是这:8 H: T% K& R9 m( q, {7 B2 d
http://www.daniweb.com/techtalkforums/thread10489.html4 E ~* f# E' p }) }( F
: C; q0 X+ G& A估计就这样以讹传讹了。
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, u4 D9 P' y+ J[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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