photoelectric photometry

Mira otros diccionarios:

• photoelectric photometry — fotoelektrinė fotometrija statusas T sritis Standartizacija ir metrologija apibrėžtis Fotometrija, kai spinduliuotės imtuvai yra fotoelementai, fotoelektriniai daugintuvai ir kt. fotoelektriniai įtaisai. atitikmenys: angl. photoelectric… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• photoelectric photometry — fotoelektrinė fotometrija statusas T sritis fizika atitikmenys: angl. photoelectric photometry vok. lichtelektrische Photometrie, f rus. фотоэлектрическая фотометрия, f pranc. photométrie photoélectrique, f …   Fizikos terminų žodynas

• photometry — photometric /foh teuh me trik/, photometrical, adj. photometrist, photometrician /foh teuh me trish euhn/, n. /foh tom i tree/, n. 1. the measurement of the intensity of light or of relative illuminating power. 2. the science dealing with such… …   Universalium

• Photometry (astronomy) — Photometry is a technique of astronomy concerned with measuring the flux , or intensity of an astronomical object s electromagnetic radiation. Usually, photometry refers to measurement over large wavelength bands of radiation; but, when not only… …   Wikipedia

• Photoelectric flame photometer — A photoelectric flame photometer is a device used in inorganic chemical analysis to determine the concentration of certain metal ions, among them sodium, potassium, lithium, and calcium.In principle, it is a controlled flame test with the… …   Wikipedia

• photoelectric cell — Electronics. photocell. [1890 95] * * * ▪ electronics also called  Electric Eye, Photocell, or Phototube,         an electron tube with a photosensitive cathode that emits electrons when illuminated and an anode for collecting the emitted… …   Universalium

• University of Illinois Observatory — Infobox nrhp | name = University of Illinois Astronomical Observatory nrhp type=nhl caption = The observatory at U of I is a National Historic Landmark. locator x = locator y = location = Urbana, Illinois, Champaign County, Illinois, USA nearest… …   Wikipedia

• Joel Stebbins — (July 30 1878 ndash; March 16 1966) was an American astronomer who pioneered photoelectric photometry in astronomy. He earned his Ph.D at the University of California. He was director of University of Illinois observatory from 1903 to 1922 and… …   Wikipedia

• Richard D. Lines — was an American amateur astronomer. He started as a deep sky observer and photographer, but later specialized in photometry of variable stars. He was a member of the American Association of Variable Star Observers and International Amateur… …   Wikipedia

• List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia

• (80) Сапфо — Открытие Первооткрыватель Норман Погсон Место обнаружения Мадрас Дата обнаружения 2 мая 1864 Эпоним Сапфо Категория Главное кольцо …   Википедия