简介:InrecentlypublishedpaperbyYangChunxin[1],Ireexaminedthepaper.Onpage128,thepaper'pointedoutthatthesizeandspatialdistributiondensityofnucleationsitespresentedonrealboilingsurfacecanbedescribedbythenormalizedfractaldistributionfunction,andthephysicalmeaningofparametersinvolvedinsomeexperimentalcorrelationsproposedbyearlyinvestigationsareidentifiedaccordingtofractaldistribution'.However,thedefinitiononfractaldimensiongivenbyYang[1]ishighlyquestionable,andtheresultsobtainedbyYangarecontradictorytothebasicfractaltheory.Herearemycomments: