- biological half-period
- биологический период полувыведения (из организма)
[lang name="English"]physical half-period — физический период полураспада
English-Russian dictionary on nuclear energy. 2015.
biological half-period
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Half-life — This article is about the scientific and mathematical term. For other uses, see Half life (disambiguation). Number of half lives elapsed Fraction remaining Percentage remaining 0 1/1 100 1 1/2 50 2 … Wikipedia
biological development — Introduction the progressive changes in size, shape, and function during the life of an organism by which its genetic potentials (genotype) are translated into functioning mature systems (phenotype). Most modern philosophical outlooks would … Universalium
Biological warfare — For the use of biological agents by terrorists, see bioterrorism. Weapons of mass destruction … Wikipedia
Cambrian Period — Oldest time division of the Paleozoic Era. During the Cambrian, 543–490 million years ago, there were widespread seas and several scattered landmasses. The largest continent was Gondwana. The average climate was probably warmer than today, with… … Universalium
Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene … Universalium
Critical period hypothesis — The critical period hypothesis is the subject of a long standing debate in linguistics and language acquisition over the extent to which the ability to acquire language is biologically linked to age. The hypothesis claims that there is an ideal… … Wikipedia
Critical Period Hypothesis — See also: Language acquisition#Critical Period hypothesis The Critical Period Hypothesis refers to a long standing debate in linguistics and language acquisition over the extent to which the ability to acquire language is biologically linked to… … Wikipedia
Ordovician Period — Interval of geologic time, 490–443 million years ago, the second oldest period of the Paleozoic Era. It follows the Cambrian and precedes the Silurian. During the Ordovician, many of the landmasses were aligned in the tropics. Life was dominated… … Universalium
Permian Period — Interval of geologic time, 290–248 million years ago. The last of the six periods of the Paleozoic Era, it follows the Carboniferous Period. During the Permian, the continents joined to form a single supercontinent, Pangea. Hot, dry conditions… … Universalium
Migration Period — This article is about European migrations in the early part of the first millennium A.D.. For prehistoric migrations, see Human migration. For the 2003 Canadian film, see The Barbarian Invasions. 2nd to 5th century simplified migrations. See also … Wikipedia
Jurassic Period — Interval of geologic time, 206–144 million years ago, that is one of the three major divisions of the Mesozoic Era, preceded by the Triassic Period and followed by the Cretaceous. During the Jurassic, Pangea began to break up into the present day … Universalium
