關於氚(3H)的beta衰變所放出的高速電子以及對人體的影響 - 手錶
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By Lily
at 2005-08-26T00:00
at 2005-08-26T00:00
Table of Contents
由於氚(3H)的beta衰變只會放出高速移動的電子,不會穿透人體,因此只有大量吸入氚才會對人體有害,但是我目前買了這個東西http://tw.page.bid.yahoo.com/tw/auction/1136573070...
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手錶
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By Emma
at 2005-08-27T11:15
at 2005-08-27T11:15
這種東西 已經利用在是美軍 的制式軍錶
美國是非常重視人的先進國家
http://tw.f2.page.bid.yahoo.com/tw/auction/b206492...
可以看看
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By Kumar
at 2005-08-29T09:25
at 2005-08-29T09:25
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名牌手錶真的都那麼貴嗎
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By Blanche
at 2005-08-25T00:00
at 2005-08-25T00:00
還是可以議價的ㄚ
陳本會不會很低ㄚ 匯有點省不得買ㄟ
謝謝啦
地球上最硬的東西...是什麼?
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By Odelette
at 2005-08-25T00:00
at 2005-08-25T00:00
請問懷錶是哪一國發明的?
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By Gilbert
at 2005-08-25T00:00
at 2005-08-25T00:00
”發條”是誰發明的???
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By Emma
at 2005-08-25T00:00
at 2005-08-25T00:00
有誰知道巴黎戀人的男主角朴新陽手錶示甚麼品牌的阿?
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By Liam
at 2005-08-25T00:00
at 2005-08-25T00:00