المستخدم sandus7hbr

مستخدم منذ:	4 سنوات (منذ أغسطس 26، 2020)
الرتبة:	مستخدم مسجل
الاسم الكامل:
المكان:
الموفع:	http://aktschool.kz/user/seidhezzxg
نبذة شخصية:	Learn more about radon, how it impacts lung health and what you can do about it. The only dose-effect relationship readily available are those of miners associates (for a lot higher exposures), revealed to radon. Researches of Hiroshima and also Nagasaki survivors are less insightful (the exposure to radon is persistent, localized, and the ionizing radiations are alpha rays). Furthermore, the smoking is a considerable confounding factor in all miners' researches. A controversial epidemiological study, all of a sudden showing lowered cancer threat vs. radon domestic direct exposure (5 pCi/L ≈ 200 Bq/m3).

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