particles per million

См. также в других словарях:

• Self-propelled particles — SPP models predict robust emergent behaviours occur in swarms independent of the type of animal that is in the swarm. Self propelled particles (SPP), also referred to as self driven particles or as the Couzin–Vicsek algorithm,[1][2] …   Wikipedia

• PPM — Parts Per Million (Miscellaneous » Unit Measures) Parts Per Million (Governmental » NASA) Parts Per Million (Academic & Science » Meteorology) *** Pages Per Minute (Computing » General) ** Project Portfolio Management (Governmental » US… …   Abbreviations dictionary

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• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

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• hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …   Universalium

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

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• earth — /errth/, n. 1. (often cap.) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a… …   Universalium