| REE | rapid extinction effect; rare earth element; resting energy expenditure |
|---|---|
| COA | Canadian Ophthalmological Association; Canadian Orthopaedic Association; certificate of authority; c... |
| CPA | Canadian Physiotherapy Association; Canadian Psychiatric Association; carboxypeptidase A; cardiopulm... |
| AJKD | American Journal of Kidney Diseases |
| JOC | Journal of Oncologic Clinical(?) |
| A.I.I.M.S. | All India Institute of Medical Sciences |
|---|---|
| JAMA | Journal of the American Medical Association |
| LEO | Low Earth Orbit |
| NIEHS | National Institute of Environmental Health Sciences |
| NEJM | New England Journal of Medicine |
| journal article | The predominant publication type for articles and other items indexed for nlm databases. (12 Dec 1998) |
|---|---|
| behavioural sciences | Disciplines concerned with the study of human and animal behaviour. (12 Dec 1998) |
| biological sciences | All of the divisions of the natural sciences dealing with the various aspects of the phenomena of life and vital processes. The concept includes anatomy and physiology, biochemistry and biophysics, and the biology of animals, plants, and microorganisms. It should be differentiated from biology, one of its subdivisions, concerned specifically with the origin and life processes of living organisms. (12 Dec 1998) |
| physical sciences | The natural sciences dealing with inanimate matter or with energy, as physics, chemistry, astronomy. (12 Dec 1998) |
| social sciences | Disciplines concerned with the interrelationships of individuals in a social environment including social organizations and institutions. Includes sociology and anthropology. (12 Dec 1998) |
| national academy of sciences | A united states organization of distinguished scientists and engineers established for the purpose of investigating and reporting upon any subject of art or science as requested by any department of government. The national research council organised by nas serves as the principal operating agency to stimulate and support research. (12 Dec 1998) |
| alkali earth metal | See: alkaline earth elements. (05 Mar 2000) |
| alkaline earth | <chemistry> Any of the metallic elements found in the second column of the periodic table, such as calcium and magnesium. (09 Oct 1997) |
| alkaline earth elements | Those element's in the family Be, Mg, Ca, Sr, Ba, and Ra, the hydroxides of which are highly ionised and hence alkaline in water solution. (05 Mar 2000) |
| rare earth elements | Those elements with atomic numbers 57-71 which closely resemble one another chemically and were once difficult to separate from one another. Synonym: rare earth elements. Origin: Lanthanum, first element of the series (05 Mar 2000) |
| rare earth metal | Those elements with atomic numbers 57-71 which closely resemble one another chemically and were once difficult to separate from one another. Synonym: rare earth elements. Origin: Lanthanum, first element of the series (05 Mar 2000) |
| rare-earth screen | An intensifying screen made of a rare-earth oxide phosphor, more efficient than calcium tungstate, especially at the higher kilovoltages used in modern radiography. (05 Mar 2000) |
| metals, alkaline earth | Metals that constitute the group IIa in the periodic table. (12 Dec 1998) |
| metals, rare earth | Elements of group IIIb of the periodic table from lanthanum, atomic number 57, to and including lutetium, atomic number 71. (12 Dec 1998) |
| diatomaceous earth | A type of silica-rich dirt which is soft, fine-grained, porous, light-coloured, and composed of the skeletons of diatoms (one-celled marine organisms with skeletons based on silicon). It is used as a filter. (09 Oct 1997) |
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