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| FES | family environment scale; fat embolism syndrome; flame emission spectroscopy; forced expiratory spir... |
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| PIXE | particle-induced x-ray emission; proton-induced x-ray emission |
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |
| IRS | immunoreactive secretion; infrared spectrophotometry; insulin receptor species; insulin receptor sub... |
| FI | fasciculus intrafascicularis; fever caused by infection; fibrinogen; fixed interval; flame ionizatio... |
| AAS | Atomic Absorption Spectrophotometry |
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| NIRS | Near infrared spectrophotometry |
| SFS | Synchronous fluorescence spectrophotometry |
| FID | Flame ionization detector |
| GC-FID | Gas chromatography-flame ionization detection |
| flame emission spectrophotometry | Determination of the concentration of an element by measurement of light emitted when the element is excited by energy in the form of heat. (05 Mar 2000) |
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| atomic absorption spectrophotometry | Determination of concentration by the ability of atoms to absorb radiant energy of specific wavelengths. (05 Mar 2000) |
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| spectrophotometry | Quantitative measurements of concentrations of reagents made by measuring the absorption of visible, ultraviolet or infrared light. (18 Nov 1997) |
| spectrophotometry, atomic absorption | A highly sensitive technique used to analyze various elements, especially metals, including aluminum, arsenic, beryllium, calcium, copper, iron, lead, and lithium, which are present in trace amounts. The atoms are excited above a ground state by flame vaporization, and the radiation emitted as the molecules return to a ground state is measured in unexcited non-ionised molecules. (12 Dec 1998) |
| spectrophotometry, infrared | Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules. (12 Dec 1998) |
| spectrophotometry, ultraviolet | Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example cl2, so2, no2, cs2, ozone, mercury vapor, and various unsaturated compounds. (12 Dec 1998) |
| flame | 1. A stream of burning vapor or gas, emitting light and heat; darting or streaming fire; a blaze; a fire. 2. Burning zeal or passion; elevated and noble enthusiasm; glowing imagination; passionate excitement or anger. "In a flame of zeal severe." "Where flames refin'd in breasts seraphic glow." (Pope) "Smit with the love of sister arts we came, And met congenial, mingling flame with flame." (Pope) 3. Ardor of affection; the passion of love. 4. A person beloved; a sweetheart. Synonym: Blaze, brightness, ardor. See Blaze. Flame bridge, a bridge wall. See Bridge. Flame colour, brilliant orange or yellow. Flame engine, an early name for the gas engine. Flame manometer, an instrument, invented by Koenig, to obtain graphic representation of the action of the human vocal organs. See Manometer. <chemistry> Flame reaction, a method of testing for the presence of certain elements by the characteristic colour imparted to a flame; as, sodium colours a flame yellow, potassium violet, lithium crimson, boracic acid green, etc. Cf. Spectrum analysis, under Spectrum. <botany> Flame tree, a tree with showy scarlet flowers, as the Rhododendron arboreum in India, and the Brachychiton acerifolium of Australia. Origin: OE. Flame, flaume, flaumbe, OF. Flame, flambe, F. Flamme, fr. L. Flamma, fr. Flamma, fr. Flagrare to burn. See Flagrant, and cf. Flamneau, Flamingo. Source: Websters Dictionary (01 Mar 1998) |
| flame arc | An arc between two impregnated electrodes that causes volatilization of the core with resultant flame. (05 Mar 2000) |
| flame figure | A small area of dermal or subcutaneous necrosis with intense eosinophil staining of collagen bundles; seen in the lesions of Well's syndrome. (05 Mar 2000) |
| flame ionisation detector | <apparatus> A piece of equipment used in gas chromatography that uses a flame to decompose the neutral solute molecules into charged particles, then measures any changes in conductivity. (09 Oct 1997) |
| flame ionization | Pyrolysis of organic compounds at the temperature of a hydrogen-air flame to produce ionic intermediates which can be collected and the resulting ion current measured by gas chromatography. (12 Dec 1998) |
| flame retardants | Materials applied to fabrics, bedding, furniture, plastics, etc. To retard their burning; many may leach out and cause allergies or other harm. (12 Dec 1998) |
| flame spots | Haemorrhagic areas occurring in the nerve fibre layer of the retina. (05 Mar 2000) |
| alpha emission | <physics> Form of nuclear decay where the nucleus emits an alpha particle (see entry below). (09 Oct 1997) |
| beta emission | <radiobiology> Form of nuclear decay where a neutron splits into a proton plus electron plus neutrino set. The proton stays in the nucleus but the electron (beta ray) is ejected. (09 Oct 1997) |
| gamma emission | <physics> Nuclear decay process whereby the nucleus goes from an excited state to a more stable state by emitting a gamma ray. See: gamma ray. (09 Oct 1997) |
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