concentration of dust particles

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• Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …   Wikipedia

• Dust explosion — A dust explosion is the fast combustion of dust particles suspended in the air in an enclosed location. Coal dust explosions are a frequent hazard in underground coal mines, but dust explosions can occur where any powdered combustible material is …   Wikipedia

• interplanetary dust particle — ▪ astronomy also called  micrometeoroid,  micrometeorite , or  cosmic dust particle   a small grain, generally less than a few hundred micrometres in size and composed of silicate minerals and glassy nodules but sometimes including sulfides,… …   Universalium

• mppcf —    abbreviation for million particles per cubic foot, a unit used to measure concentration of dust particles, mostly in industrial settings. 1 mppcf is equivalent to about 35.315 million particles per cubic meter. The symbol mp/f3 is sometimes… …   Dictionary of units of measurement

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