Перевод и анализ слов искусственным интеллектом
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- как употребляется слово
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- варианты перевода слова
- примеры употребления (несколько фраз с переводом)
- этимология
Что (кто) такое zinc oxyphosphate cement - определение
![Older fibre cement roofing. [[Rammu]] island in Estonia](https://commons.wikimedia.org/wiki/Special:FilePath/Rammu Kiini hooned.jpg?width=200 "Older fibre cement roofing. [[Rammu]] island in Estonia")
Википедия
Naturally occurring zinc (30Zn) is composed of the 5 stable isotopes 64Zn, 66Zn, 67Zn, 68Zn, and 70Zn with 64Zn being the most abundant (48.6% natural abundance). Twenty-five radioisotopes have been characterised with the most abundant and stable being 65Zn with a half-life of 244.26 days, and 72Zn with a half-life of 46.5 hours. All of the remaining radioactive isotopes have half-lives that are less than 14 hours and the majority of these have half-lives that are less than 1 second. This element also has 10 meta states.
Zinc has been proposed as a "salting" material for nuclear weapons. A jacket of isotopically enriched 64Zn, irradiated by the intense high-energy neutron flux from an exploding thermonuclear weapon, would transmute into the radioactive isotope 65Zn with a half-life of 244 days and produce approximately 1.115 MeV of gamma radiation, significantly increasing the radioactivity of the weapon's fallout for several years. Such a weapon is not known to have ever been built, tested, or used.
