forbidden lines

forbidden lines
«запрещенные» линии (спектра)

English-russian astronautics dictionary. - M.: Military Publishing house. . 1964.

Игры ⚽ Нужно сделать НИР?

Смотреть что такое "forbidden lines" в других словарях:

  • forbidden lines — forbidden lines, Physics. spectral lines of radiation produced by changes in energy level that occur within an atom only when the interval between atomic collisions is exceptionally long: »They are the so called forbidden lines colors which an… …   Useful english dictionary

  • forbidden lines — ▪ physics       in astronomical spectroscopy, bright emission lines in the spectra of certain nebulae (H II regions (H II region)), not observed in the laboratory spectra of the same gases, because on Earth the gases cannot be rarefied… …   Universalium

  • Lakeer - Forbidden Lines — Infobox Film name = Lakeer Forbidden Lines imdb id = 0426075 writer = Ahmed Khan (screenplay) Shahab Khan (screenplay) Mehboob (dialogue) starring = Sunny Deol Sunil Shetty John Abraham Sohail Khan director = Ahmed Khan producer = Vivek Kumar… …   Wikipedia

  • Forbidden mechanism — A forbidden mechanism or forbidden line is a concept in physics/chemistry. It is a spectral line emitted by atoms undergoing energy transitions not normally allowed by the selection rules of quantum mechanics. In chemistry, forbidden means… …   Wikipedia

  • Forbidden City (nightclub) — The Forbidden City was a Chinese themed nightclub and cabaret in business from the late 1930s to the late 1950s at 363 Sutter Street (the former space is now renumbered 369 Sutter Street) in San Francisco s Chinatown.cite… …   Wikipedia

  • nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …   Universalium

  • Nebulium — Cat s Eye Nebula (NGC 6543) Nebulium was a proposed element found in a nebula by William Huggins in 1864. The strong green emission lines of the Cat s Eye Nebula, discovered using spectroscopy, led to the postulation that an as yet unknown… …   Wikipedia

  • nebulium — /neuh byooh lee euhm/, n. Astron. a hypothetical element once thought to be present in emission nebulae because of certain unidentified spectral lines, now known to be forbidden transitions of oxygen and nitrogen ions. [1895 1900; NEBUL(A) + IUM] …   Universalium

  • Ring Nebula — For the Ring Nebula in Barnard s Galaxy, see Ring Nebula (NGC 6822). The Ring Nebula M57, The Ring Nebula. Credit: NASA/STScI/AURA …   Wikipedia

  • Astronomical spectroscopy — is the technique of spectroscopy used in astronomy. The object of study is the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other celestial objects. Spectroscopy can be used to derive many… …   Wikipedia

  • Donald Howard Menzel — by Babette Whipple Born April 11, 1901 …   Wikipedia

Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»