- spontaneous emission
-
самопроизвольная эмиссия
English-Russian dictionary of geology. 2011.
spontaneous emission
Смотреть что такое "spontaneous emission" в других словарях:
Spontaneous emission — is the process by which a light source such as an atom, molecule, nanocrystal or nucleus in an excited state undergoes a transition to the ground state and emits a photon. Spontaneous emission of light or luminescence is a fundamental process… … Wikipedia
spontaneous emission — spontaneous emission, Physics. the release of excess energy in the form of light by an excited atom: »Light produced by the sun and by ordinary electric lights is the result of spontaneous emission caused by heat (James P. Gordon) … Useful english dictionary
spontaneous emission — savaiminė emisija statusas T sritis fizika atitikmenys: angl. spontaneous emission vok. spontane Emission, f rus. спонтанная эмиссия, f pranc. émission spontanée, f … Fizikos terminų žodynas
Amplified spontaneous emission — (ASE) or superluminescence is light, produced by spontaneous emission, that has been optically amplified by the process of stimulated emission in a gain medium.Origins and problemsASE is produced when a laser gain medium is pumped to produce a… … Wikipedia
Spontaneous — means a self generated event, typically requiring no outside influence or help.The word spontaneous may also refer to:* Spontaneous abortion * Spontaneous bacterial peritonitis * Spontaneous combustion * Spontaneous emission * Spontaneous fission … Wikipedia
Emission coefficient — is a coefficient in the power output per unit time of an electromagnetic source, a calculated value in physics. It is also used as a measure of environmental emissions (by mass) per MWh of electricity generated, see: Emission factor. Scattering… … Wikipedia
Emission spectrum — The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted by the element s atoms or the compound s molecules when they are returned to a lower energy state. Each element s … Wikipedia
émission spontanée — savaiminė emisija statusas T sritis fizika atitikmenys: angl. spontaneous emission vok. spontane Emission, f rus. спонтанная эмиссия, f pranc. émission spontanée, f … Fizikos terminų žodynas
spontaneous fission — ▪ physics type of radioactive decay in which certain unstable nuclei of heavier elements split into two nearly equal fragments (nuclei of lighter elements) and liberate a large amount of energy. Spontaneous fission, discovered (1941) by the … Universalium
emission — A discharge; referring usually to a discharge of the male internal genital organs into the internal urethra; the contents of the organs, including sperm cells, prostatic fluid, and seminal vesicle … Medical dictionary
spontaneous radiation — savaiminis spinduliavimas statusas T sritis radioelektronika atitikmenys: angl. spontaneous radiation vok. spontane Strahlung, f rus. спонтанное излучение, n pranc. émission spontanée, f … Radioelektronikos terminų žodynas
