| international u. of penicillin |
the specific penicillin activity contained in 0.6 microgram of the international standard sodium salt of penicillin II or G.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| International Symbol of Access |
A symbol used to identify buildings and facilities that are barrier-free and therefore accessible to disabled persons with restricted mobility, including wheelchair users. SEE: il
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| international u. of vitamin A |
an older unit of vitamin A activity, equal to the activity of 0.3 microgram retinol or 0.6 microgram β-carotene; because the provitamin A carotenoids are absorbed less efficiently than is retinol, the source must be specified. Although largely supplanted by retinol equivalent (q.v.), the unit is still used in labeling. When the source is retinol, the unit is officially vitamin A u.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| International Union of Pure and Applied Chemistry |
ABBR: IUPAC. An organization composed of experts from many countries whose charter is to standardize aspects of the basic science of chemistry, including nomenclature, structural formulae, and s
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| international u. of vitamin D |
the specific biological activity of 0.025 microgram of cholecalciferol.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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