spectral absorption
21spectral line — noun a dark or bright line in an otherwise continuous spectrum caused by the absorption or emission of light, at a single wavelength, by the movement of electrons between energy levels of an atom or molecule …
22spectral line — spec′tral line′ n. opt a line in a spectrum due to the absorption or emission of light at a discrete frequency • Etymology: 1865–70 …
23spektrale Absorption — spektrinė sugertis statusas T sritis Standartizacija ir metrologija apibrėžtis Elektromagnetinių ar kitokių bangų sugertis tam tikroje spektro srityje. atitikmenys: angl. spectral absorption vok. spektrale Absorption, f rus. спектральное… …
24spektrale Absorption — spektrinė sugertis statusas T sritis fizika atitikmenys: angl. spectral absorption vok. spektrale Absorption, f rus. спектральное поглощение, n pranc. absorption spectrale, f …
25Atomic spectral line — In physics, atomic spectral lines are of two types: * An emission line is formed when an electron makes a transition from a particular discrete energy level of an atom, to a lower energy state, emitting a photon of a particular energy and… …
26Water absorption — is a phenomenon in the transmission of electromagnetic radiation through a medium containing water molecules. Water molecules are excited by radiation at certain wavelengths and tend to selectively absorb portions of the spectrum while allowing… …
27Type spectral — En astronomie, les étoiles présentent quatre caractéristiques principales : température de surface, gravité à la surface, masse et luminosité. Ces caractéristiques ne sont pas indépendantes les unes des autres et ne sont pas directement… …
28LUMIÈRE - Dispersion et absorption — Suivant sa fréquence, un rayonnement électromagnétique interagit différemment avec la matière. Un des aspects de ce phénomène est la dispersion, c’est à dire la variation de l’indice de réfraction de la substance en fonction de la longueur d’onde …
29Tunable diode laser absorption spectroscopy — (TDLAS) is a technique for measuring the concentration of certain species such as methane, water vapor and many more, in a gaseous mixture using tunable diode lasers and laser absorption spectrometry. The advantage of TDLAS over other techniques… …
30Atomic absorption spectroscopy — In analytical chemistry, atomic absorption spectroscopy is a technique for determining the concentration of a particular metal element in a sample.cite book |author=Sperling, Michael B.; Welz, Bernhard |title=Atomic Absorption Spectrometry… …
