| AFIP | Armed Forces Institute of Pathology |
|---|---|
| FOAVF | failure of all vital forces |
| CDSC | Communicable Diseases Surveillance Centre [London] |
| ICLH | Imperial College, London Hospital |
| LSHTM | London School of Hygiene and Tropical Medicine |
| TOL | Tower of London |
|---|---|
| CF | Canadian Forces |
| GRF | Ground Reaction Forces |
| ABCD | Amphotericin B Colloidal Dispersion |
| MSPD | Matrix Solid-Phase Dispersion |
| london dispersion forces | <chemistry> The forces that exist in nonpolar molecules that involve an accidental dipole that induces a momentary dipole in a neighbor. (09 Jan 1998) |
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| London forces | First postulated by van der Waals in 1873 to explain deviations from ideal gas behaviour seen in real gases; the attractive force's between atoms or molecules other than electrostatic (ionic), covalent (sharing of electrons), or hydrogen bonding (sharing a proton); generally ascribed to dipolar and dispersion effects, π-electrons, etc.; these relatively nondescript force's contribute to the mutual attraction of organic molecules. Synonym: London forces. (05 Mar 2000) |
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| van der Waals' forces | First postulated by van der Waals in 1873 to explain deviations from ideal gas behaviour seen in real gases; the attractive force's between atoms or molecules other than electrostatic (ionic), covalent (sharing of electrons), or hydrogen bonding (sharing a proton); generally ascribed to dipolar and dispersion effects, π-electrons, etc.; these relatively nondescript force's contribute to the mutual attraction of organic molecules. Synonym: London forces. (05 Mar 2000) |
| reciprocal forces | In dentistry, force's whereby the resistance of one or more teeth is utilised to move one or more opposing teeth. (05 Mar 2000) |
| london | The capital city of England. <medicine> London paste, a paste made of caustic soda and unslacked lime; used as a caustic to destroy tumours and other morbid enlargements. London pride. <botany> A cruciferous plant (Sisymbrium Irio) which sprung up in London abundantly on the ruins of the great fire of 1667. Source: Websters Dictionary (01 Mar 1998) |
| London, Fritz | <person> German-U.S. Physicist, 1900-1954. See: London forces. (05 Mar 2000) |
| coarse dispersion | 1. A condition of temporary cessation, as of animation, of pain or of any vital process. 2. <pharmacology> A preparation of a finely divided drug intended to be incorporated (suspended) in some suitable liquid vehicle before it is used or already incorporated in such a vehicle. Origin: L. Suspensio (18 Nov 1997) |
| molecular dispersion | Dispersion in which the dispersed phase consists of individual molecules; if the molecules are of less than colloidal size, the result is a true solution. (05 Mar 2000) |
| colloidal dispersion | <chemistry> A mixture containing particles larger than those found in a solution but small enough to remain suspended for a very long time. (09 Oct 1997) |
| specific optical dispersion | <microscopy> The difference between the refractive indices of light of two different wavelengths, both indices measured at the same temperature, the difference being divided by the specific gravity also measured in the same medium at the test temperature. For convenience, the specific dispersion value is multiplied by ten. (05 Aug 1998) |
| dispersion | <microscopy> The variation of refractive index with colour (or wave-length) of light. The spreading of white light into its component colours when passing through a glass prism is due to dispersion which, in turn, is due to the fact that the refractive index of transparent substances is lower for long wavelengths than for-short wavelengths. A measure of dispersion is defined as: nD - 1 v= nF-nC where nD = refractlve index at 589 nm (yellow), nF = 486 nm (blue), nC = 656 nm (red). (05 Aug 1998) |
| dispersion colloid | A colloidal solution in which the dispersed phase can be concentrated by centrifugation. Synonym: dispersion colloid, molecular dispersed solution. (05 Mar 2000) |
| dispersion force | Forces of attraction between atoms or nonpolar molecules that result from the formation of induced dipoles. Sometimes referred to as London dispersion forces. Important in the DLVO theory of colloid flocculation and thus in theories of cell adhesion. (18 Nov 1997) |
| dispersion medium | The medium or fluid in which a disperse is suspended. Synonym: continuous phase, dispersion medium, dispersion phase, external medium. (05 Mar 2000) |
| dispersion phase | The medium or fluid in which a disperse is suspended. Synonym: continuous phase, dispersion medium, dispersion phase, external medium. (05 Mar 2000) |
| dispersion relation | <radiobiology> For a given wave, the dispersion relation relates the temporal frequency of a wave (w, or omega) to its wavenumber k and other physical quantities characteristic of the system. Dispersion relations can be quite simple (for example, w = k c for light, c being the speed of light), and they can also be quite complex, with interesting mathematical structure. The dispersion relation and its mathematical structure provide important information about the wave, including the phase and group velocities. Note that the meaning of dispersion relation is different in plasma physics than in other fields. (09 Oct 1997) |
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