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           | Description | 
           
             English: Cascade process of ionization. Electrons are ‘e−’, neutral atoms ‘o’, and cations ‘+’. The first impact of an electron on an atom results in one ion and two electrons. Therefore, the number of charged particles increases rapidly (in the millions) only “after about 20 successive sets of collisions”, mainly due to a small mean free path (average distance travelled between collisions). Idea and information from: Leal-Quirós, Edbertho (2004) “Plasma Processing of Municipal Solid Waste”. Brazilian Journal of Physics, vol. 34, no. 4B, p.1587 
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           | Date | 
           May 2010 | 
          
          
           | Source | 
           Own work | 
          
          
           | Author | 
            Rudolfensis | 
          
         
         
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             Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the  Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled  GNU Free Documentation License.  http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
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