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(english) A separator or diaphragm usually found in a chamber to facilitate separation of two (2) fluids or gases.
(Environmental Engineering) The recovery and reuse of a product which would otherwise be thrown away.
(english) 1)Half-round cavity in a mold, or half-round projection or molding on a casting, 2) a single deposit of weld metal produced by fusion.
(Environmental Engineering) A film of microorganisms attached to a surface, such as that on a trickling filter, rotating biological contactor, or rocks in natural streams.
Removal of part of coil from entry end of unit; may be necessitated by a defect in coil or by a wreck in the mill, etc. Backoff weight is the part of the coil that is removed and not finished/produced.
(Environmental Engineering) The anoxic biological conversion of nitrate to nitrogen gas. It occurs naturally in surface waters low in oxygen, and it can be engineered in wastewater treatment systems.
(english) In two dimensions, a roller support restrains one translation degree of freedom.
(Environmental Engineering) A process which only occurs in the absence of molecular oxygen.
(Environmental Engineering) The maximum allowable concentration of a given constituent in potable water.
(Environmental Engineering) (TSS) is the amount of suspended (filterable) matter in a water.
(english) The amount, expressed as a ratio, of particles in a fluid stream upstream of a filter, after the fluid posses through a filter, divided by the amount of particles downstream, for a particular size particle.
(Software Engineering) a modeling notation that represents a functional decomposition of a system