居里夫人的英文简介-居里夫人介绍英文

居里夫人的英文简介:居里夫人介绍英文　　玛丽居里,世称"居里夫人'，法国闻名波兰裔科学家、物理学家、化学家。下面是为你整理的居里夫人的英文简介，盼望对你有用!　　玛丽居里科研成就　　Researchareas　　1,foundradioactiveelementspolonium(Po)andradium(Ra).　　2,presentedtheideathattheray(nowknowntobecomposedofelectrons)isnegativelychargedparticles.　　Scientificresults　　Intheexperimentalstudy,Mrs.Curiedesignedameasuringinstrumentthatnotonlymeasuredthepresenceorabsenceofasubstance,butalsomeasuredthestrengthoftheray.Afterrepeatedexperiments,shefoundthattheintensityofuraniumwasproportionaltotheamountofuraniuminthesubstance,regardlessofthestateofuraniumandtheexternalconditions.　　MarieCuriehasconductedathorough examinationoftheknownchemicalelementsandallthecompounds,andhasobtainedtheimportantdiscoverythatanelementcalledthoriumcanalsoautomaticallyemitaninvisibleray,indicatingthattheelementcanemitarayNotjustthecharacteristicsofuranium,butsomeelementsofthecommoncharacteristics.Shecalledthisphenomenonradioactive,theelementsofthisnatureiscalledradioactiveelements.Theyreleasetheraycalledradiation.　　Attheendof1902,Mrs.Curieextractedatenthofaverypuregramofradiumchlorideandaccuratelymeasureditsatomicweight.Theexistenceofradiumhasbeenconfirmed.Radiumisaveryrarenaturalradioactivematerial,itsbodyisshiny,likeafinesalt-likewhitecrystal,radiumwithaslightbluefluorescence,andthisisthebeautifullightbluefluorescence,intoAwomansbeautifullifeandunyieldingfaith.Inspectralanalysis,itisnotthesameasthelineofanyknownelement.Althoughradiumisnotthefirsthumandiscoveryofradioactiveelements,butitis themostradioactiveelements.Usingitspowerfulradioactivity,itispossibletofurtheridentifymanynewpropertiesofradiation.Sothatmanyelementsgetfurtherpracticalapplication.Medicalresearchfoundthattheradiationforavarietyofdifferentcellsandtissues,theroleisverydifferent,thosebreedingfastcells,oncetheradiumirradiationwassoondestroyed.Thisdiscoverymakesradiumapowerfulmeansoftreatingcancer.Canceriscausedbytherapidpropagationofcells,thelaserforitsdestructionthanthesurroundinghealthtissuedamagemuchmore.Thisnewtreatmentsoondevelopedintheworld.IntheFrenchRepublic,radiumtherapyisknownasCurietherapy.Thediscoveryofradiumfundamentallychangedthebasicprinciplesofphysics,forthepromotionofscientifictheoryandtheapplicationofpractical,haveaveryimportantsignificance.居里夫人的英文简介