radiant transmittance

См. также в других словарях:

• transmittance — [transmit′ ns, tranzmit′ ns] n. 1. the act or process of transmitting 2. the ratio of the radiant energy transmitted by a body to the total radiant energy received by the body …   English World dictionary

• Radiant energy — Visible light (a form of radiant energy) scattered by fog in a forest. Radiant energy is the energy of electromagnetic waves.[1] The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time and …   Wikipedia

• transmittance — trans·mit·tance mit ən(t)s n 1) TRANSMISSION 2) the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary * * * trans·mit·tance (T) (trans mitґəns) 1. in analytical chemistry, the ratio I/I0… …   Medical dictionary

• transmittance — (T)    The ratio of radiant power transmitted by the sample, I, to the radiant power incident on the sample, I. T = I/I …   Forensic science glossary

• transmittance — noun Date: circa 1855 1. transmission 2. the fraction of radiant energy that having entered a layer of absorbing matter reaches its farther boundary …   New Collegiate Dictionary

• transmittance — /trans mit ns, tranz /, n. Physics. the ratio of the radiant flux transmitted through and emerging from a body to the total flux incident on it: equivalent to one minus the absorptance. Also called transmission. [1850 55; TRANSMIT + ANCE] * * * …   Universalium

• transmittance — trans•mit•tance [[t]trænsˈmɪt ns, trænz [/t]] n. phs Physics. the ratio of the radiant flux transmitted through and emerging from a body to the total flux incident on it: equivalent to 1 minus the absorptance • Etymology: 1850–55 …   From formal English to slang

• transmittance — noun the fraction of radiant energy that passes through a substance • Syn: ↑transmission • Hypernyms: ↑coefficient …   Useful english dictionary

• Heat transfer — is a discipline of thermal engineering that concerns the exchange of thermal energy from one physical system to another. Heat transfer is classified into various mechanisms, such as heat conduction, convection, thermal radiation, and phase change …   Wikipedia

• absorbance — In spectrophotometry, log of the ratio of the radiant power of the incident radiation to the radiant power of the transmitted radiation. SYN: absorbancy, absorbency, extinction (2), o …   Medical dictionary

• Exposure (photography) — Underexposure redirects here. For the 2005 film by Oday Rasheed, see Underexposure (2005 film). A long exposure showing stars rotating around the southern and northern celestial poles. Credit: European Southern Observatory …   Wikipedia