specific absorption

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• specific absorption — savitoji sugertis statusas T sritis fizika atitikmenys: angl. specific absorption vok. spezifische Absorption, f rus. удельное поглощение, n pranc. absorption spécifique, f …   Fizikos terminų žodynas

• Specific absorption rate — (SAR) is a measure of the rate at which radio frequency (RF) energy is absorbed by the body when exposed to radio frequency electromagnetic field. It is defined as the power absorbed per mass of tissue and has units of Watts per kilogram [cite… …   Wikipedia

• Specific power — In engineering, the term specific power can refer to power either per unit of mass, volume or area, although power per unit of volume is more formally known as power density, and power per unit area as surface power density. [… …   Wikipedia

• absorption spécifique — savitoji sugertis statusas T sritis fizika atitikmenys: angl. specific absorption vok. spezifische Absorption, f rus. удельное поглощение, n pranc. absorption spécifique, f …   Fizikos terminų žodynas

• Specific Ultraviolet Absorption — (SUVA) at 254 nanometers (nm), an indicator of the humic (Natural organic matter NOM) content of water. It is a calculated parameter obtained by dividing a sample s ultraviolet absorption at a wavelength of 254 nm (UV 254) (in m =1) by its… …   Wikipedia

• Specific energy — is defined as the energy per unit mass: J/kg or, in basic SI units: m2/s2. It is an intensive property. Contrast this with energy, which is an extensive property. There are two main types of specific energy: field strength and strength of… …   Wikipedia

• absorption spectrum — n an electromagnetic spectrum in which a decrease in intensity of radiation at specific wavelengths or ranges of wavelengths characteristic of an absorbing substance (as chlorophyll) is manifested esp. as a pattern of dark lines or bands compare… …   Medical dictionary

• absorption spectrum — n. a spectrum with a pattern of dark bands or lines created when light passes through a gas or liquid into a spectroscope: the chemical elements of the gas or liquid absorb specific wavelengths of light creating a unique pattern which can be used …   English World dictionary

• 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

• Absorption coefficient — The absorption coefficient α is a property of a material. It defines the extent to which a material absorbs energy, for example that of sound waves or electromagnetic radiation. Wallace Sabine was a pioneer of this concept in acoustics and… …   Wikipedia

• 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