52Fe
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Isotopes of cobalt — Naturally occurring cobalt (Co) is composed of 1 stable isotope, 59Co. 28 radioisotopes have been characterized with the most stable being 60Co with a half life of 5.2714 years, 57Co with a half life of 271.79 days, 56Co with a half life of 77.27 … Wikipedia
勾 — I gōu (1) ㄍㄡˉ (2) 用笔画出符号, 表示删除或截取: ~销。 ~乙(在报刊书籍的某些词句两端画上像 乙 的记号, 表示作为资料)。 (3) 画出形象的轮廓, 描画: ~画。 ~勒。 (4) 用灰、 水泥等涂抹建筑物的缝(f坣g ): ~缝。 (5) 调和使黏, 调味: ~芡。 (6) 牵引, 招引: ~引。 ~通。 (7) 停留, 逗留: ~留。 (8) 摄取: ~魂摄魄(形容使人心神摇荡, 控制不住)。 (9) 中国古代数学著作中称不等腰直角三角形中较短的直角边:… … International standard chinese characters dictionary
Железо — (латинское Ferrum) Fe, химический элемент VIII группы периодической системы Менделеева; атомный номер 26, атомная масса 55,847; блестящий серебристо белый металл. Элемент в природе состоит из четырёх стабильных изотопов: 54Fe (5,84%),… … Большая советская энциклопедия
Nucleosynthesis — Nuclear physics Radioactive decay Nuclear fission Nuclear fusion Classical decays … Wikipedia
Isotopes of nickel — Naturally occurring nickel (Ni) is composed of five stable isotopes; 58 Ni, 60 Ni, 61 Ni … Wikipedia
Info-Tech Research Group — Infobox Company company name = Info Tech Research Group company company type = Private foundation = 1998 location = London, Ontario key people = Joel McLean (President and CEO). industry = Research products = Technology research Market research… … Wikipedia
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