Glossary P

A Pulmonary edema is an accumulation of excessive amounts of fluid in the lung extravascular tissue and air spaces.

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A Pulmonary emphysema is an abnormal, permanent enlargement of the air spaces distal to the terminal nonrespiratory bronchiole, accompanied by destructive changes of the alveolar walls and without obvious fibrosis.

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Deutsch: Zellstoff / Español: Pulpa / Português: Polpa / Français: Pâte / Italiano: Polpa /

A pulp is raw material made from trees used in producing paper products. Pulp is a moist, mushy material made from ground up trees or torn up old paper that is mechanically and chemically made into paper.

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Deutsch: Reinigung / Español: Purificación / Português: Purificação / Français: Purification / Italiano: Purificazione

Purification in the environmental context refers to the process of removing pollutants, contaminants, or undesired substances from air, water, and soil to restore these elements to a cleaner, safer state for humans, plants, and animals. This concept is critical in environmental management and conservation efforts, aiming to reduce the impact of human activities on the natural world and to ensure the sustainability of vital resources.

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PWS --->Public Water System

Pyramid of Energy flow is the diagram representing the flow of Energy through each trophic level in a Food chain or food web. With each Energy transfer, only a small part (typically 1

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A Pyranometer is an instrument for measuring the solar reflectance, or albedo, of materials.

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Deutsch: Pyrethroid / Español: Piretroide / Português: Piretroide / Français: Pyréthroïde / Italiano: Piretroide

Pyrethroid refers to a class of synthetic chemical compounds designed to mimic the insecticidal properties of natural pyrethrins, which are derived from chrysanthemum flowers. These substances are widely used in agriculture, household insect control, and public health for pest management. While effective against a broad spectrum of insects, pyrethroids pose environmental concerns due to their persistence and potential toxicity to non-target organisms, particularly aquatic life.

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