half-lethal dose

См. также в других словарях:

• Median lethal dose — This article is about the toxicological term. For the album by Mudvayne, see L.D. 50 (album). For other uses, see LD50 (disambiguation). In toxicology, the median lethal dose, LD50 (abbreviation for “Lethal Dose, 50%”), LC50 (Lethal Concentration …   Wikipedia

• median lethal dose — n LD50 * * * (LD50) the amount of pathogenic bacteria, bacterial toxin, or other poisonous substance required to kill half of a group of uniformly susceptible animals, or the amount of ionizing radiation that will kill half of a large group or… …   Medical dictionary

• median lethal dose — the dose of a chemical which will result in the death of half the fish in a given time period. Abbreviated as LD50 …   Dictionary of ichthyology

• Dose — means quantity in the following fields: In nutrition, medicine, and toxicology: Dose (biochemistry), the quantity of something that may be eaten by or administered to an organism, or that an organism may be exposed to Medicine and toxicology… …   Wikipedia

• Lethal injection — For the Ice Cube album, see Lethal Injection (album). Part of a series on Capital punishment Issues …   Wikipedia

• lethal time — the time over which an administered chemical will result in the death of half the fish for a given dose. Abbreviated as LT50 …   Dictionary of ichthyology

• median lethal time — the time over which an administered chemical will result in the death of half the fish for a given dose. Abbreviated as LT50 (note that LT50 is also the temperature lethal to 50% of an exposed population (or where 50% survive)) …   Dictionary of ichthyology

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Operation Crossroads — Coordinates: 11°36′N 165°30′E / 11.6°N 165.5°E / 11.6; 165.5 …   Wikipedia

• Polonium — (] [cite journal author = Momoshima N., Song L.X., Osaki S.,Maeda Y., title = Biologically induced Po emission from fresh water journal =J Environ Radioact. year = 2002 volume = 63 issue = 2 pages = 187–197 doi =10.1016/S0265 931X(02)00028 0]… …   Wikipedia

• Rodenticide — A wild rat Rat poison redirects here. For the window manager, see ratpoison. Rodenticides are a category of pest control chemicals intended to kill rodents. Single feed baits are chemicals sufficiently dangerous that the first dose is sufficient… …   Wikipedia