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原帖由 井忘川 于 2006-5-8 07:55 发表
' u5 M9 l4 L0 {. s) J5 F键盘辐射最大是没错的。7 e3 q# }1 f9 D0 O4 F
你知道计算机的辐射量是多少吗?
+ a v) a3 B+ }( Q$ V Q1.键盘1000V/m
1 E. _, B2 I2 p2.鼠标450V/m, J) x# C; a! }0 b% g. m
3.屏幕218V/m5 T. @9 D- C1 X7 h: E3 L
4.主机170V/m。 1 o1 a T# E8 }1 b
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5 o2 N' Z" |5 E$ u, h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
. W* a0 l0 w, }% d. ncm in front of the VDU and at 50 cm in front of it.
2 |7 P) i8 g m9 ~1 S% ]/ `+ aBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
# h3 b* f; ~" L! v* d R D50 cm around the VDU and at 30 cm in front of it.! U4 ]3 q2 W) O: _6 q* N8 E( a
5 S2 G: S- M: P, Jref: http://www.d-silence.com/downloads/99crt.pdf
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/ i. I8 A% Q3 P1 `* u. }3 _你这218v/m有何科学依据?0 v+ z4 R% o5 x, R1 `6 k
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google了一把,源头是这:
/ ~3 R' g2 d$ \6 I0 thttp://www.daniweb.com/techtalkforums/thread10489.html
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9 Q# w# ~4 R4 k, f' i. m- p9 Q$ w估计就这样以讹传讹了。8 o+ d" j' H& B% j
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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