注目の話題: 義母は良い人だけど、ここが嫌だ。; レストランに赤ちゃんを連れてくるな; 「私の夫はごみ収集」と言うのは　恥ずかしいですか？

A diary of a heretic in English

No.34　11/03/20 13:25
蚤野心蔵 ( 50代 ♂ Oe38xe ) あ+あ-

【As for the unit,Sv,to be exact, Sievert】

　　　　　　　We　measure　the　the　radiation　which　has　influence　for　human　bodies　with the　unit, Sv.　Lots of people may think,「What kind of criterion does the Sv express?｣ or 「What does Sv mean｣To tell the truth, I didn't know until　I　read next explanation😳

The　unit was named Sv　after Swedish physicist,who rendered great services to protective clothing for radiation. At first we need to learn another unit, Gy before the expression of the Sv😃

Gy means a unit of energy.There is　a thing which is applied照射 radiation,then　when the thing absorbs the radiation, it needs energy. Its mass総量 of energy is expressed with joule per 1 ㎏.It's Gy.😃

Joule, I make it rule to call it 「J」,is a unit of 仕事量,which we can learn with the formula,「mass×acceleration×distance」As for the word of 「仕事量」, it seems to be a technical term of physics. I'm not good at physics at all,so I can't express the word in English. I'm sorry for it😩

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