| EF | ectopic focus; edema factor; ejection fraction; elastic fibril; electric field; elongation factor; e... |
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| EF-1 alpha | Elongation Factor 1 alpha |
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| EF-2 | Elongation Factor 2 |
| EF-G | Elongation Factor G |
| EF | Elongation factor |
| EF-1 | Elongation factor 1 |
| elongation | <radiobiology> Parameter indicating the degree to which the cross-section of a toroidal plasma is non-circular. Kappa=b/a, where b and a are the vertical and horizontal minor radii. As kappa is increased, the confinement in relation to the total current improves, but the plasma also becomes more and more unstable to vertical displacements. A circular plasma has kappa of 1, a common value for elongated plasmas is 1.7, and the absolute limit is probably around 2. (09 Oct 1997) |
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| elongation factor | <biochemistry> Peptidyltransferase components of ribosomes that catalyse formation of the acyl bond between the incoming amino acid residue and the peptide chain. There are three classes of elongation factor: EF1_ (EF Tu in prokaryotes) binds GTP and aminoacyl tRNA, delivering it to the A site of ribosomes. EF 1_ (EF Ts) helps in regeneration of GTP EF 1_. EF 2 (EF G) binds GTP and peptidyl tRNA and translocates it from the A site to the P site. Diptheria toxin inhibits protein synthesis in eukaryotes by adding an ADP ribosyl group to a modified histidine residue (dipthamide) in elongation factor II. (18 Nov 1997) |
| peptide chain elongation | The process whereby an amino acid is joined through a substituted amide linkage to a chain of peptides. (12 Dec 1998) |
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| peptide elongation factors | Protein factors uniquely required during the elongation phase of protein synthesis. (12 Dec 1998) |
| peptide elongation factor tu | A protein found in bacteria and eukaryotic cells which delivers aminoacyl-trna's to the a site of the ribosome. The aminoacyl-trna is first bound to a complex of elongation factor tu containing a molecule of bound GTP. The resulting complex is then bound to the 70s initiation complex. Simultaneously the GTP is hydrolyzed and a tu-GDP complex is released from the 70s ribosome. The tu-GTP complex is regenerated from the tu-GDP complex by the ts elongation factor and GTP. (12 Dec 1998) |
| sign of elongation | <microscopy> Referring to the elongation of a substance in relation to refractive indices. If it is elongated in the direction of the high refractive index, it is said to have a positive sign of elongation. If it is elongated in the direction of the low refractive index, it has a negative sign of elongation, not to be confused with the sign of double refraction (i.e., optic sign). (05 Aug 1998) |
| elongation |
the quality of being elongated an addition to the length of something the act of lengthening something
Ãâó: wordnet.princeton.edu/perl/webwn
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| elongation |
Amount of permanent extension in the vicinity of the fractures in the tensile test; usually expressed as percentage of original gage length.
Ãâó: www.sfsa.org/sfsa/glossary/deftrmee.html
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| elongation |
Stretch to breaking point measure expressed as a percentage in a 10" length
Ãâó: www.pdhpc.com/Glossary/Glossary.htm
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| elongation |
the fractional increase in length of a material stressed in tension.
Ãâó: www.acculam.com/defs.htm
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| elongation |
The angle of a planet away from the Sun or Moon from the Earth as viewed from Earth.
Ãâó: home.hiwaay.net/~krcool/Astro/moon/moonpedia/
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| elongation | the act of lengthening something |
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| elongation | an addition to the length of something |
| elongation | the quality of being elongated |
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