absorption line spectrum

См. также в других словарях:

• absorption line — noun : a dark line in the absorption spectrum of a gas or a vapor * * * absorption line, a dark line in a continuous spectrum of white light caused by the natural or artificial absorption of the wavelengths of light radiating from the atoms of a… …   Useful english dictionary

• absorption line — noun Date: circa 1889 a dark line in an absorption spectrum …   New Collegiate Dictionary

• line spectrum — /laɪn ˈspɛktrəm/ (say luyn spektruhm) noun an emission or absorption spectrum consisting of a number of sharply defined lines, as produced by an element in the atomic state. Each line corresponds to a particular wavelength …  

• Spectrum analysis — also known as Emission Spectrochemical Analysis is the original scientific method of charting and analyzing the chemical properties of matter and gases by looking at the bands in their optical spectrum. The empirical laws of spectrum analysis are …   Wikipedia

• Absorption spectroscopy — An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light as a specific example. A white beam source – emitting light of multiple wavelengths – is focused on a sample (the complementary… …   Wikipedia

• spectrum — /spek treuhm/, n., pl. spectra / treuh/, spectrums. 1. Physics. a. an array of entities, as light waves or particles, ordered in accordance with the magnitudes of a common physical property, as wavelength or mass: often the band of colors… …   Universalium

• absorption band — noun Date: 1865 a dark band in an absorption spectrum; also absorption line …   New Collegiate Dictionary

• absorption band — /əbˈsɔpʃən bænd/ (say uhb sawpshuhn band) noun one of a number of the dark bands in an absorption spectrum identifying specific wavelengths of light which have been absorbed by the surrounding medium. Also, absorption line …  

• Absorption band — An absorption band is a range of wavelengths (or, equivalently, frequencies) in the electromagnetic spectrum which are able to excite a particular transition in a substance. See absorption spectrum. Since energetic transitions can take place in… …   Wikipedia

• Absorption spectrum — A material s absorption spectrum shows the fraction of incident electromagnetic radiation absorbed by the material over a range of frequencies. An absorption spectrum is, in a sense, the opposite of an emission spectrum.Every chemical element has …   Wikipedia

• line — 1. A mark, strip, or streak. In anatomy, a long, narrow mark, strip, or streak distinguished from the adjacent tissues by color, texture, or elevation. SEE ALSO: linea. 2. A unit of …   Medical dictionary