small particles

  • 81physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction       the systematic study of the inorganic world …

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  • 82Mie scattering — Monostatic radar cross section [RCS] of a perfectly conducting metal sphere as a function of frequency (calculated by Mie theory). In the low frequency Rayleigh scattering limit where the circumference is less than the wavelength, the normalized… …

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  • 83Albert Einstein — Einstein redirects here. For other uses, see Einstein (disambiguation) …

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  • 84Saturn — Infobox Planet bgcolour = #FFCC66 name = Saturn symbol = caption = Saturn, as seen by Cassini orbit ref =cite web last = Yeomans | first = Donald K. | date = 2006 07 13 url = http://ssd.jpl.nasa.gov/?horizons title = HORIZONS System | publisher …

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  • 85Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… …

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  • 86Spray tower — Spray towers or spray chambers are a form of pollution control technology. They consist of empty cylindrical vessels made of steel or plastic and nozzles that spray liquid into the vessels. The inlet gas stream usually enters the bottom of the… …

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  • 87Cement mill — A 10 MW cement mill, output 270 tonnes per hour A cement mill (or finish mill in North American usage[1]) is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is… …

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  • 88Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …

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  • 89Particle collection in wet scrubbers — Wet scrubbers capture relatively small dust s with large liquid droplets. In most wet scrubbing systems, droplets produced are generally larger than 50 micrometres (in the 150 to 500 micrometres range). As a point of reference, human hair ranges… …

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  • 90Powder mixture — A powder is an assembly of dry particles dispersed in air. If two different powders are mixed perfectly, three theoretical powder mixtures can be obtained: the random mixture, the ordered mixture or the interactive mixture. Contents 1 Different… …

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