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spin
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   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.02 sec.

spin

In physics, the intrinsic angular momentum of a subatomic particle, nucleus, atom, or molecule, which continues to exist even when the particle comes to rest. A particle in a specific energy state has a particular spin, just as it has a particular electric charge and mass. According to quantum theory, this is restricted to discrete and indivisible values, specified by a spin quantum number. Because of its spin, a charged particle acts as a small magnet and is affected by magnetic fields.



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Current effort is focused on a development of value-added products containing both recycled tire rubber and post-consumer plastics using a new ZE-25 laboratory scale co-rotating twin-screw extruder built by Berstorff for SSSE process development and currently operational at the Polymer Reclamation Center at BIRL.
New research from the BIRL Industrial Research Laboratory at Northwestern University in Evanston, Ill.
 
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