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no observed effect concentration
chem. koncentrace bez pozorovaných účinků
 English thesaurus
no observed effect concentration The greatest effluent dilution which does not result in lethality that is statistically different from the control (0% effluent) at the 95% confidence level. For discharges, the critical dilution must be equal or less than the NOEC.
abbr., O&G, sakh. NOEC
no observed effect concentration
: 2 phrases in 1 subject
Chemistry2