呼啵Fe2+ 說 cpm = counts per minute. This is the "hits" that the scint. counter gets per minute. d - #b6rj4o - Plurk

14 years ago

cpm = counts per minute. This is the "hits" that the scint. counter gets per minute. dpm = disintegrations per minute.

14 years ago

說的真有道理

14 years ago

剛好最近有日本的[核爆]輻射議題可以順便教學

14 years ago

台灣的媒體嘖嘖

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micodreamer 說

14 years ago

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