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.
снижение вертикальных перетоков(reduction of cross section flow by the presence of the polymer layer adsorbed on the pore walls, which thickness is significant compared to pore size and which is almost unpenetrable to fluid flow; за счёт адсорбции на стенках пор почти непроницаемого слоя полимера, размер которого сравним с размером пор.)