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Environment

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

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Environment > Pollution

trickling filter

Environment; Pollution

"A trickling filter is a type of water pollution treatment system. It consists of a fixed bed of rocks, lava, coke, gravel, slag, polyurethane foam, sphagnum peat moss, ...

mesophilic

Environment; Pollution

"A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, typically between 20 and 45 °C (68 and 113 °F).[1] The term is ...

protozoa

Environment; Pollution

"In some biological taxonomy schemes, Protozoa are a diverse group of mostly motile unicellular eukaryotic organisms, but the term is no longer used in modern taxonomy."

mass balance

Environment; Pollution

"A mass balance, also called a material balance, is an application of conservation of mass to the analysis of physical systems. By accounting for material entering and ...

pathogen

Environment; Pollution

"The term is used to describe an infectious agent (colloquially known as a germ) — a microorganism, in the widest sense such as a virus, bacterium, prion, fungus or ...

methanol

Environment; Pollution

"A toxic, colorless, volatile flammable liquid alcohol, originally made by distillation from wood and now chiefly by oxidizing methane."

Monod equation

Environment; Pollution

The Monod equation is a mathematical model for the growth of microorganisms. It is named for Jacques Monod who proposed using an equation of this form to relate microbial growth ...