Nosov Yu.V. department head Beloyarsk NPPAnalysis of the Dynamics of Hydrogen Ingress into Secondary Sodium after Replacement of the BN-600 Power Unit Steam Generator Stages 5/29/2012 2011 - #01 Global safety, reliability and diagnostics of nuclear power installations Nosov Yu.V. Tsygankov G.N. Beltyukov A.I. Govorov P.P. Kuznetsov A.A.