无弹窗小说网 - 综合其他 - 新书艺理论在线阅读 - 之七

之七

dinamassspeeter.,foundtwounknownsubstahemassis60timesand70timesthatofcarbon,sothesetwounknownsubstancesarecalleddC70.TheshapeofC60islikeafootball,with20hexagonand12pentagonfaces,aclosedspherewith32fatotal.Infact,wheistscolleicdustinspace,theyhavelongdiscoveredsubstancessuchasdC70.Therefore,theabovethreestistsarethefirsttomanufacturedearth,andtheyalsojointlywontheNobelPrizein1996.

    In1985,ProfessorQuaitofStanfordUyandGerdBinningandHeinrichRohrerofIBMjointlyiedtheatomiicroscope.Italsousesaprobetosthesurfaceoftheobject.Whentheprobeapproachestheobjeeasured,aforceisgeedbetweentheprobeandtheobject,whibeattractiveorrepulsive,andbeusedtoanalyzethesurfaceoftheobject