Glossary P

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

population units are the entities that make up a target population.

Deutsch: Pore / Español: Poro / Português: Poro / Français: Pore / Italiano: Poro /

A Pore is an open space in rocks and soils

Deutsch: Schweinefleisch / Español: Cerdo / Português: Porco / Français: Porc / Italiano: Maiale

Pork is the meat derived from domestic pigs (Sus scrofa domesticus). In the context of the environment, pork production encompasses various aspects of agriculture, including land use, water consumption, greenhouse gas emissions, and its impact on biodiversity and ecosystems.

The Porosity is the ability of rock material to store water. So it is a measure of the water-bearing capacity of subsurface rock.

A Porous Block Pavement Systems: is Porous block pavement systems are prefabricated lattice structures made of concrete or plastic that are designed to support light traffic from cars

Portland Cement Concrete (PCC or Concrete) is a hardened mixture of portland cement, sand, and coarse aggregate. Waste materials like fly ash, slag and plastic fibers can also be used in the concrete mixture.

The Positional Accuracy is the closeness of locational information to its true position or position in relation to an accepted standard.

A Positive Control Sample is a prepared standard which undergoes an analytical procedure to provide comparison with an unknown specimen thereby monitoring recovery to assure that a test and/or its components are working properly and producing correct or expected results. In microbiology this would be a positive culture control.

Deutsch: Positives Feedback / Español: Retroalimentación positiva / Português: Retroação positiva / Français: Rétroaction positive / Italiano: Retroazione positiva

Positive feedback in the environmental context refers to processes within environmental systems that amplify or increase the effect of a change, leading to further deviation from the system's initial state. Unlike negative feedback, which stabilizes and dampens changes, positive feedback tends to accelerate changes, potentially leading to dramatic shifts in environmental conditions.

A POSITIVE PRESSURE is Condition that exists when more air is supplied to a space than is exhausted, so the air pressure within that space is greater than that in surrounding areas.