| B.T.U. | British Thermal Unit |
|---|---|
| BThU | British thermal unit |
| BTU | British thermal unit |
| clo | "clothing"-a unit of thermal insulation |
| CTU | cardiac-thoracic unit; centigrade thermal unit; constitutive transcription unit |
| DTA | Differential Thermal Analysis |
|---|---|
| LTK | Laser thermal keratoplasty |
| TEA | Thermal Energy Analyzer |
| TER | Thermal Enhancement Ratio |
| TIMS | Thermal ionization mass spectometry |
| thermal | Pertaining to or characterised by heat. (18 Nov 1997) |
|---|---|
| thermal anaesthesia | Loss of temperature appreciation. (05 Mar 2000) |
| thermal barrier | <radiobiology> In magnetic mirror devices, this is a depression of electrostatic potential formed by enhancing ion loss in the region between the central cell and the positive potential plug. The thermal barrier significantly reduces the density requirements in the plug and lowers the overall power required to sustain the solenoidal plugging by thermally decoupling central cell electrons from the end plugs. (09 Oct 1997) |
| thermal burn | A burn caused by heat. (05 Mar 2000) |
| thermal capacity | <chemistry> The amount of energy required to raise the temperature of an object by one degree Celsius (or Kelvin), it is represented by the symbol C and is given in units of J/K. (09 Jan 1998) |
| thermal conductivity | <radiobiology> Degree to which a substance transmits heat. (basic definition, I believe, is: (heat flow) = (thermal conductivity) (temperature gradient)) (09 Oct 1997) |
| thermal conversion cycle | <radiobiology> Process of generating electrical power with a fusion reactor by means of a steam / other gas turbine. This is distinct from direct conversion cycles. (09 Oct 1997) |
| thermal cover | Vegetative condition, generally with greater than 70% canopy closure and 40 feet in height, that can significantly ameliorate weather effects such as wind, heat, cold, and snow. Used by wildlife in winter. (05 Dec 1998) |
| thermal efficiency | <radiobiology> Ratio of the electric power produced by a power plant to the original amount of heat produced. This measures the efficiency with which the thermal energy is converted to electricity. (09 Oct 1997) |
| thermal expansion | <radiobiology> Characteristic property of most solids and liquids which causes their volume to increase when they are heated. Thermal expansion and contraction can cause structural problems in pulsed fusion devices. (09 Oct 1997) |
| thermal melting profile | In general a record of the phase state of a system over a temperature range. Phase changes can be detected by exothermy or endothermy. Valuable in studying lipid and DNA structures. (18 Nov 1997) |
| thermal neutron | <radiobiology> A neutron in thermal equilibrium with its surrounding environment. Thermal neutrons are those that have been slowed down by a moderator to speeds characteristic of the local temperature. Compare: fast neutron. (09 Oct 1997) |
| thermal resource | A facility that produces electricity by using a heat engine to power an electric generator. The heat may be supplied by the combustion of coal, oil, natural gas, biomass, or other fuels, including nuclear fission, solar, or geothermal resources. (05 Dec 1998) |
| thermal sense | The ability to distinguish differences of temperature. Synonym: temperature sense, thermal sense, thermic sense, thermesthesia. Origin: thermo-+ G. Aisthesis, sensation (05 Mar 2000) |
| thermal sensors | Sensors that detect tiny changes in heat or temperature. (14 Nov 1997) |
| British Thermal Unit | <unit> Unit of energy needed to raise one pound of water by one degree fahrenheit. It is equal to 252 calories or 1055 Joules. Acronym: BTU (13 Nov 1997) |
|---|---|
| differential thermal analysis | Technique by which phase transitions of chemical reactions can be followed by observation of the heat absorbed or liberated. (12 Dec 1998) |
Synonyms : Conductivities, Thermal, Conductivity, Thermal, Thermal Conductivities
| thermal |
relating to or associated with heat; "thermal movements of molecules"; "thermal capacity"; "thermic energy"; "the caloric effect of sunlight" of or relating to a hot spring; "thermal water" rising current of warm air caused by or designed to retain heat; "a thermal burn"; "thermal underwear"
Ãâó: wordnet.princeton.edu/perl/webwn
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| thermal equilibrium |
a state in which all parts of a system are at the same temperature
Ãâó: wordnet.princeton.edu/perl/webwn
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| thermalgesia |
pain caused by heat
Ãâó: wordnet.princeton.edu/perl/webwn
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| thermal dilution curve |
thermodilution curve, the graphic representation of results obtained with thermodilution.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| thermal |
1. Pertaining to temperature or heat. 2. A discrete buoyant element in which the buoyancy is confined to a limited volume of fluid. See plume. 3. A relatively small-scale, rising current of air produced when the atmosphere is heated enough locally by the earth's surface to produce absolute instability in its lowest layers. ...
Ãâó: amsglossary.allenpress.com/glossary/browse
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| thermal | rising current of warm air |
|---|---|
| thermal | caused by or designed to retain heat |
| thermal | relating to or associated with heat |
| thermal | a limit to high speed flight imposed by aerodynamic heating |
| thermal | the emission of electrons from very hot substances |
| thermal | a state in which all parts of a system are at the same temperature |
| thermal | harm to lakes and rivers resulting from the release of excessive waste heat into them |
| thermal | a printer that produces characters by applying heat to special paper that is sensitive to heat |
| thermal | a nuclear reactor in which nuclear fissions are caused by neutrons that are slowed down by a moderator |
| thermal | a semiconductor device made of materials whose resistance varies as a function of temperature |
| thermal | a natural spring of water at a temperature of 70 F or above |
| thermal | pain caused by heat |
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