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Knowledge organization
A field of study invloving the indexing and classification of knowledge that is usually performed in libraries, databases and archives etc. It is related to Library and Information Science(LIS).
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relative systemic availability
Biology; Toxicology
Quantity of metabolizable substance divided by product of quantity of absorbed substance and exposure.
reference value
Biology; Toxicology
Quantity value, generally accepted as having a suitably small measurement uncertainty, to be used as a basis for comparison with values of quantities of the same kind.
reactive nitrogen species (RNS)
Biology; Toxicology
Radical nitrogen-based molecules that can act to facilitate nitrosylation reactions; reactive nitrogen species include dioxidonitrogen(•) (nitrogen dioxide, nitryl radical) NO2•, ...
therapeutic index
Biology; Toxicology
Ratio between toxic and therapeutic doses (the higher the ratio, the greater the safety of the therapeutic dose).
precursor
Biology; Toxicology
Substance from which another, usually more biologically active, substance is formed.
slimicide
Biology; Toxicology
Substance intended to kill slime-producing organisms. Note: Used on paper stock, water cooling systems, paving stones etc.
reproductive toxicant
Biology; Toxicology
Substance or preparation that produces non-heritable adverse effects on male and female reproductive function or capacity and on resultant progeny.
