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  4. Glossary P

Glossary P

The Environmental Glossary. Letter P +++ Popular Articles: 'Peak power', 'Parallel connection', 'Process'

PEF

PEF --->Peak expiratory flow

Pelagic species

pelagic species are fish that live at or near the water's surface. Examples of large pelagic species

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Pelagic zone

A pelagic zone is the area of open water beyond the littoral zone.

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Pellets

Pellets are Little plastic balls that can be stretched into long fibers to make thread.

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PELs

A PELs is Permissible Exposure Limits (standards set by the Occupational, Safety and Health Administration - OSHA).

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Pen

A Pen is Most swine are grouped together in Pens,

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Pen Mating

A Pen Mating is Boar is placed in a Pen with group of sows to allow for breeding.

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Pendulous Udder

A Pendulous Udder is a loosely attached udder.

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Pentane

Deutsch: Pentan / Español: Pentano / Português: Pentano / Français: Pentane / Italiano: Pentano

Pentane in the environmental context refers to a hydrocarbon compound with the chemical formula C₅H₁₂. It is an alkane composed of five Carbon atoms and is commonly used as a solvent, blowing agent in foam production, and in energy applications. Pentane plays a role in industrial processes but also has implications for air quality, Greenhouse gas emissions, and sustainable practices.

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Pentanes plus

A Pentanes plus is a mixture of hydrocarbons, mostly pentanes and heavier fractions, extracted from natural gas.

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