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1、00DO?rOU160807>mOSMANIAUNIVERSnYttBRARY-AccessionNo.3fAuth.,1marhcabelow>sbookshouldbere.Mnedo:jorbeior.rfitOTTOHAHN,INVISIBLERADIATIONSOFORGANISMSProtoplasma-MonographienHerausgogebeuvonR.Chambers(NewYork),E.Faure'-Fremiet
2、(Paris),H.Freundlich(London),E.Kiister(GieBen),F.E.Lloyd(Montreal),H.Schade(Kiel)f,W.Seifriz(Philadelphia),J.Spek(Heidelberg),W.Stiles(Birmingham)RedigiertvonF.Weber(Graz)VOLUME9INVISIBLERADIATIONSOFORGANISMSOTTORAHNPIIOJ'LSSOROFJUfilKRlOLOfrr,COIIXKLLFXIVLKStTYWIT
3、H.V2ILI.rSTKATIONSBerlinVerlagvonGebruderBorntraegerW35Koester-Ufer171936INVISIBLERADIATIONSOFORGANISMSOTTOKAHNPROFESSOROFBACTERIOLOGY,CORNELLUNIVERSITYWITHANINTRODUCTIONTOTUKPHYSICSOFRADIATIONBYS1DNKYV.IJAHNESRESEAltCHASSOCIVTEINPHYSICS,UNIVERSITYOFRUCUKSTRRWITH5
4、2II.IATSTRATIONSBerlinVerJagvonGtbriiderBorntraegerV:wIot"ter-Ufor171930insbesonderodasRrohtdm-Ultt'rsetzunginfromdeSprachen,vorhehaltenCopyright193lil>y(iolirudorBorntivipgerinBerlinJiinckd^rBuchdrurkopM(let,Waisi-nhausex(1inhHinHalli-(Saalc-iI'nntfdinfl-ormariy
5、FOREWORDVisiblebiologicalradiationshavealwaysgreatlyattractedman'scuriosity;firefliesandglowworms,Iuniiiitwentwood,phosphorescentmeat,andtheilluminatingorgansofdeepseafishareamongthewell-knownwondersofnature.Thebiologicalimportanceofthisluminescenceseemstobeinnopro
6、portiontotheimpressionitmakesuponthehumanmind.Whileitisassumedbysomebiologiststhatithasthepurposeofattractingtheprey,offrighteningenemies,orofluringthemaletothefemale,otherinvestigatorshavecontestedthesetheories.Thephosphorescentbacteriausuallylosetheabilitytoprodu
7、celightwhencultivatedforsometimeonartificialmedia,withoutanyapparentdecreaseinvitality.Theemissionofvisiblelightisprobablyofnogreaterimportancethancolor;itplaysnoessentialroleinthecellphysio-logyoftheorganisms.Quitetothecontrary,theinvisibleradiationsoflivingorg-an
8、ismsareofconsiderablephysiologicalsignificance.Theyplayadistinctpartincelldivisionandingrowth.Theyareevidentillthehealingofwounds.Oldageisaccompa