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перманганатная окисляемостьstresses
gen. permanganate index (ГОСТ Р 55684-2013 twinkie)
chem. permanganate oxidizability (lxu5)
construct. permanganate demand (сточных вод)
ecol. chemical oxygen demand with permanganate as the oxidant; permanganate value
Makarov. permanganate oxygen consumed