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貝可

貝可法文Becquerel,符號Bq),又叫貝克貝可勒爾貝克勒爾,係放射性活度嘅國際單位[1]。如果喺一定量嘅放射性物質裏面,每秒有一個核子衰變活動,佢嘅放射性活度就係 1 貝可。用國際單位制基本單位表示就係[s-1],雖然佢同頻率嘅單位赫茲一樣,但係意義唔同。一克鐳嘅放射性活度有3.7×1010Bq。

參考

[編輯]
  1. http://www.hko.gov.hk/education/edu02rga/radiation/radiation_09_uc.htm 互聯網檔案館歸檔,歸檔日期2013年6月3號,. 香港天文台 輻射術語詞彙及參考資料
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貝可
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