Basic knowledge about radiation (They are around us) What is the external exposure and internal exposure?
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Basic knowledge about radiation
Basic knowledge about radiation 
Basic knowledge about radiation Committed effective dose is effective dose of XXX exposure.
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Basic knowledge about radiation 5 Sieverts we need to know
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Basic knowledge about radiation Three radiation-related units you need to know
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Basic knowledge about radiation (Easy-to-understand) What is the difference between ‘radioactive material’, ‘radioactivity’ and ‘radiation’?
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Basic knowledge about radiation (There are 2 definitions) What is radiation?
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Basic knowledge about radiation (First step) 3 parts consisting of an atom
Hello. My name is Daichi, elaborating the radiation issues in an easy-to-understand manner.In this first article, I woul...