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This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds. [1]
129 I is one of the seven long-lived fission products that are produced in significant amounts. Its yield is 0.706% per fission of 235 U. [7] Larger proportions of other iodine isotopes such as 131 I are produced, but because these all have short half-lives, iodine in cooled spent nuclear fuel consists of about 5/6 129 I and 1/6 the only stable iodine isotope, 127 I.
The high short-term radioactivity of spent nuclear fuel is primarily from fission products with short half-life.The radioactivity in the fission product mixture is mostly due to short-lived isotopes such as 131 I and 140 Ba, after about four months 141 Ce, 95 Zr/ 95 Nb and 89 Sr constitute the largest contributors, while after about two or three years the largest share is taken by 144 Ce/ 144 ...
The New York Film Festival (NYFF) is a film festival held every fall in New York City, presented by Film at Lincoln Center. Founded in 1963 by Richard Roud and Amos Vogel with the support of Lincoln Center president William Schuman , NYFF is one of the longest-running and most prestigious film festivals in the United States. [ 1 ]
The longest-lived nuclides are also predicted to lie on the beta-stability line, for beta decay is predicted to compete with the other decay modes near the predicted center of the island, especially for isotopes of elements 111–115. Unlike other decay modes predicted for these nuclides, beta decay does not change the mass number.
The festival, which runs through Oct. 14 at venues across New York City, showcases more than 100 films from 41 countries, including prize winners from the Cannes, Venice, Berlin, Sundance, Toronto ...
The 2024 version of NYFF ran from Sept. 27 to Oct. 14 with thousands of cinephiles watching over 100 movies programed by the team at Film at Lincoln Center. The New York Film Festival is set apart ...
New York based distributor Several Futures has acquired Pierre Creton and Vincent Barré’s “7 Walks With Mark Brown” which just had its U.S. premiere at the New York Film Festival.