concentración letal 50

concentración letal 50

Concentration of a material in the air that kills 50% of the test animals when administered as a single exposure in a specific time period (usually 1 hour); a common measure of acute toxicity of vapors, dusts, mists and gases. Note that lethal concentration values are used when the route of administration is by inhalation. LC values are often expressed as parts of material per million parts of air (ppm). Compare "lethal dose 50".

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Kategoria: Rolnictwo ogólne
Company: USDA
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Branża/Dziedzina: Anatomia Kategoria: Cytologia

células

Las células son la unidad funcional básica de la vida (todos los organismo están compuestos por ellos). Fueron descubiertos por Robert Hooke en 1665. ...