. "Non-Leakage Probability"@en . "The \"Non-Leakage Probability\" is the probability that a neutron will not escape from the reactor during the slowing-down process or while it diffuses as a thermal neutron" . "http://en.wikipedia.org/wiki/Six_factor_formula"^^ . . . "\\(\\Lambda\\)"^^ . . "http://www.iso.org/iso/catalogue_detail?csnumber=31895"^^ .