2017-12-0９ ルテニウム１０６

http://www.dailymail.co.uk/sciencetech/article-5159355/Russia-Spike-radioactivity-unrelated-nuclear-plant.html

https://indeep.jp/radiation-detected-in-the-air-in-europe-again-this-time-ruthenium-106/


https://indeep.jp/radiation-detected-in-the-air-in-europe-again-this-time-ruthenium-106/

https://en.wikipedia.org/wiki/Radioisotope_thermoelectric_generator