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User contributions for Billy Huang

A user with 35 edits. Account created on 17 July 2007.
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27 November 2017

22 November 2017

17 December 2013

25 March 2012

20 February 2012

  • 16:3916:39, 20 February 2012 diff hist +131 Cobalt-60Correction: Cobalt-60 is produced by neutron activation of Cobalt-59 (a stable isotope) according to CANDU who have been making this since 1946.

17 February 2011

27 October 2010

24 June 2010

18 November 2009

2 July 2009

24 March 2009

29 November 2008

2 July 2008

29 November 2007

30 July 2007

17 July 2007