- double nucleus
- двойное ядро
English-russian dictionary of physics. 2013.
double nucleus
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Double beta decay — is a radioactive decay process where a nucleus releases two beta rays as a single process. In double beta decay, two neutrons in the nucleus are converted to protons, and two electrons and two electron antineutrinos are emitted. In the process of … Wikipedia
Double electron capture — is a decay mode of atomic nucleus. For a nuclide (A, Z) with number of nucleons A and atomic number Z, double electron capture is only possible if the mass of the nuclide of (A, Z 2) is lower. In this mode of decay, two of the orbital electrons… … Wikipedia
Nucleus (band) — Nucleus were a pioneering jazz rock band from Britain who continued in different forms from 1969 to 1989. In their first year they won first prize at the Montreux Jazz Festival, released the album Elastic Rock, and performed both at the Newport… … Wikipedia
Double minute — Double minutes are small fragments of extrachromosomal DNA, which have been observed in a large number of human tumors including breast, lung, ovary, colon, and most notably, neuroblastoma. They are a manifestation of gene amplification during… … Wikipedia
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
nucleus — /nooh klee euhs, nyooh /, n., pl. nuclei / klee uy /, nucleuses. 1. a central part about which other parts are grouped or gathered; core: A few faithful friends formed the nucleus of the club. 2. Biol. a specialized, usually spherical mass of… … Universalium
double fertilization — noun : fertilization that is characteristic of most seed plants and that involves a fusion between the egg nucleus and a sperm nucleus, which results in the production of the embryo, and a fusion between the second sperm nucleus and the two… … Useful english dictionary
Double hélice — Acide désoxyribonucléique « ADN » redirige ici. Pour les autres significations, voir ADN (homonymie) … Wikipédia en Français
Double fertilization — The parts of a flower Double fertilization … Wikipedia
nucleus — n. 1) the part of a cell that contains the genetic material, DNA. The DNA, which is combined with protein, is normally dispersed throughout the nucleus as chromatin. During cell division the chromatin becomes visible as chromosomes. The nucleus… … The new mediacal dictionary
double fertilization — A process, unique to flowering plants, in which two male nuclei, which have travelled down the pollen tube, separately fuse with different female nuclei in the embryo sac. The first male nucleus fuses with the egg cell to form the zygote; the… … Glossary of Biotechnology
