HotnucleiwithdifferentN/Zratiowereproducedbyusing~(40)Arbeamon~(112)Snand~(124)Sntarget,respectively.Theenergyspectraandtheemissionprobabilitiesofhydrogenisotopesareanalyzedinthe30MeV/u~940)Ar+~(112,124)Snreactions.PartialemissionprobabilityP_iofacertainspeciesiisdefinedhereby