Environment

Environment

Issues related to the circumstances or condition of the earth's natural surroundings.

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Environment > Pollution

biofiltration

Environment; Pollution

"Biofiltration is a pollution control technique using living material to capture and biologically degrade process pollutants. Common uses include processing waste water, ...

diffuser

Environment; Pollution

"(In various machines or mechanical systems, as centrifugal pumps or compressors) a device for utilizing part of the kinetic energy of a fluid passing through a machine by ...

mixing zone

Environment; Pollution

"A mixing zone is the region in which the initial dilution of a discharge occurs. Many hydrodynamic definitions of mixing zones include both near-field mixing as well as ...

moisture content

Environment; Pollution

"Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture), rock, ceramics, fruit, or wood."

odor detection threshold

Environment; Pollution

"The odor detection threshold is the lowest concentration of a certain odor compound that is perceivable by the human sense of smell."

mixed medium filtration

Environment; Pollution

"A system using two or more dissimilar granular materials (such as anthracite, sand and garnet) blended by size and density. Such a filter is graded from coarse to fine in ...