- helium age
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возраст, установленный гелиевым методом
English-Russian dictionary of geology. 2011.
helium age
Смотреть что такое "helium age" в других словарях:
Helium — Hélium Traduction à relire Helium → … Wikipédia en Français
Hélium 4 — Hélium Traduction à relire Helium → … Wikipédia en Français
HÉLIUM (DATATION PAR L’) — HÉLIUM DATATION PAR L’ Des atomes d’hélium naissent lors de la désintégration de 238U, de 235U et de 232Th; ainsi:238U face=F0019轢 206Pb + 8 4He 238U face=F0019轢 207Pb + 7 4He, 232Th face=F0019轢 208Pb + 6 4He, L’isotope 235U est très peu abondant … Encyclopédie Universelle
Helium (disambiguation) — Helium, in science and astronomy, may refer to:*Helium, chemical element **Helium 3, an isotope of helium **Helium 4, an isotope of helium *Helium dating, a method of determining the age of rocks *Helium fusion, a type of nuclear fusion in stars… … Wikipedia
Helium dating — is a method of determining the age of a substance using the decay of radioactive isotopes … Wikipedia
Age of the Earth — This article is about scientific estimates of the age of the Earth. For religious and other non scientific estimates, see Dating Creation. Earth as seen from Apollo 17 The age of the Earth is 4.54 billion years (4.54 × 109 years ± 1%) … Wikipedia
helium dating — Method of dating that depends on the production of helium during the decay of radioactive isotopes of uranium and thorium. Because of this decay, the helium content of any mineral or rock capable of retaining helium will increase during the… … Universalium
Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… … Wikipedia
Hélium — Pour les articles homonymes, voir Helium (homonymie). Hélium Hydrogène ← Hélium → … Wikipédia en Français
helium dating — noun a method of determining the age of rock that depends on the production of helium during the decay of various radioactive isotopes of uranium and thorium. Syn: He dating … Wiktionary
Obtention de l'helium — Hélium Traduction à relire Helium → … Wikipédia en Français
