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impactor |
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impactor [im′pak·tər] (engineering) A general term for instruments which sample atmospheric suspensoids by impaction; such instruments consist of a housing which constrains the air flow past a sensitized sampling plate. Also known as impactometer. (mechanical engineering) A machine or part whose operating principle is striking blows. (mining engineering) A rotary hammermill which crushes ore by impacting it against crushing plates or elements. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The UltraMax[R] impactor produces high quality product at a lower cost per ton, no matter the feed material--limestone, basalt, sand and gravel, heavily reinforced concrete or slabs of asphalt. The similarity suggests that the moon came into being when a giant impactor struck 2003 EL61 soon after it coalesced from the same swirling disk of dust, gas, and ice that swaddled the infant sun and gave birth to the planets. 10] Harvard Impactor (HI; Air Diagnostics and Engineering, Inc. |
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