- luminous density
- объемная плотность световой энергии
Большой англо-русский и русско-английский словарь. 2001.
luminous density
Смотреть что такое "luminous density" в других словарях:
Luminous efficacy — is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power. Depending on context, the power can be either the radiant flux of the source s output, or it can be the total electric power consumed by… … Wikipedia
luminous flux density — luminous flux per unit of cross sectional area. * * * … Universalium
luminous flux density — luminous flux per unit of cross sectional area … Useful english dictionary
luminous flux density — šviesos srauto tankis statusas T sritis fizika atitikmenys: angl. luminous flux density vok. Lichtstromdichte, f rus. плотность светового потока, f pranc. densité du flux lumineux, f … Fizikos terminų žodynas
luminous-flux density — noun : the luminous energy in a beam of light passing a unit normal section per unit time called also intensity of light … Useful english dictionary
luminous intensity — noun A measure of the power emitted by a source of light; equal to the flux density per solid angle … Wiktionary
Orders of magnitude (density) — Skylab measured several orders of magnitude of the Sun s density (top scale: 10−18 to 10−6 g⋅cm−3, equivalent to 10−15 to 10−3 kg⋅m−3) at different temperatures and heights above its surface. List of orders of magnitude for density less than … Wikipedia
Orders of magnitude (specific energy density) — This is a table of specific energy densities by magnitude. Unless otherwise noted, these values assume standard ambient temperature and pressure. List of orders of magnitude for specific energy density Order of magnitude J/(kg) Specific energy… … Wikipedia
Orders of magnitude (luminous flux) — To help compare different orders of magnitude, the following list describes various lumen, which is measured in lm. Factor (lm) Multiple Value Item 10 2 1 centilumen (clm) 0.025 lm One firefly[1] 101 10 lumen (lm) 12.57 lm One candle … Wikipedia
плотность светового потока — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN luminous densityluminous flux density … Справочник технического переводчика
Exposure value — In photography, exposure value (EV) denotes all combinations of camera shutter speed and relative aperture that give the same exposure. The concept was developed in Germany in the 1950s (Ray 2000),in an attempt to simplify choosing among… … Wikipedia
