книги Наука, техника, медицина Техника Машиностроение

Selenium-79

Код 2405625

  • ISBN: 978-5-5113-4359-4

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High Quality Content by WIKIPEDIA articles! Selenium-79 is a radioisotope of selenium present in spent nuclear fuel and the wastes resulting from reprocessing this fuel. It is one of only 7 long-lived fission products. Its yield is low (about 0.04%) as it is near the lower end of the mass range for fission products. Its half-life has been variously reported as 650,000 years, 65,000 years, 1.13 million years, 480,000 years, 295,000 years, 377,000 years and most recently with best current precision, 327,000 years.

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ISBN: 978-5-5113-4359-4

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ГОСТы, стандарты Путешествия, туризм, природа Домашние животные

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