- 行业: Government
- Number of terms: 41534
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The product of conception at any stage of development from fertilization to birth. It includes the embryo or the fetus as well as the extraembryonic membranes.
Industry:Agriculture
A measure of the amount of substance present in a unit amount of mixture or solution. The amounts can be expressed as moles, grams, or volumes.
Industry:Agriculture
A microbial sensitivity test which measures the lowest concentration of an antimicrobial agent that inhibits the growth of a microorganism.
Industry:Agriculture
A measure of the amount of substance present in a unit amount of mixture or solution. The amounts can be expressed as moles, grams, or volumes.
Industry:Agriculture
A microbial sensitivity test which measures the lowest concentration of an antimicrobial agent that inhibits the growth of a microorganism.
Industry:Agriculture
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".
Industry:Agriculture
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".
Industry:Agriculture
The concentration of a compound needed to reduce population growth of organisms, including eukaryotic cells, by 50% in vitro. Though often expressed to denote in vitro antibacterial activity, it is also used as a benchmark for cytotoxicity to eukaryotic cells in culture.
Industry:Agriculture
The concentration of a compound needed to reduce population growth of organisms, including eukaryotic cells, by 50% in vitro. Though often expressed to denote in vitro antibacterial activity, it is also used as a benchmark for cytotoxicity to eukaryotic cells in culture.
Industry:Agriculture
A measure of the degree to which a few large firms dominate total sales, production or capacity within an industry or market.
Industry:Agriculture
