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tli0tri0tidctlparttqcttx4320ttqrttx8640taspalphata spnumtfaautotadjustrighttrin0tlin0titap0 tfs24tlang1033tlangfe1033tcgridtlangnp1033tlangfen p1033 Itpar SSIttpnseclvl1tpnucrmtpnqctpnstart1tpnindent720tpn hangItpntxta .SSIttpnseclvl2tpnucltrtpnqctpnstart1tpnindent720t pnhangItpntxta .SSIttpnseclvl3tpndectpnqctpnstart1tpnindent720tpn hangItpntxta .SSIttpnseclvl4tpnlcltrtpnqctpnstart1tpnindent720t pnhangItpntxta SSIttpnseclvl5tpndectpnqctpnstart1tpnindent720tpnh angItpntxtb SItpntxta SSIttpnseclvl6tpnlcltrtpnqctpnstart1tpnindent720tp nhangItpntxtb SItpntxta SSIttpnseclvl7tpnlcrmtpnqctpnstart1tpnindent720tpn hangItpntxtb SItpntxta SSIttpnseclvl8tpnlcltrtpnqctpnstart1tpnindent720tp nhangItpntxtb SItpntxta SSIttpnseclvl9tpnlcrmtpnqctpnstart1tpnindent720tpn hangItpntxtb SItpntxta SStpardtplain tqj tli0tri0tsb240tsa240tidctlpartaspalphataspnumtfaau totadjustrighttrin0tlin0titap0 tfs24tlang1033tlangfe1033tcgridtlangnp1033tlangfen p1033 Itfs28 ItpictIttpicproptdefshptshplid1025ItspItsn shapeTypeSItsv 136SSItspItsn fFlipHSItsv 0SSItspItsn fFlipVSItsv 0SSItspItsn gtextUNICODESItsv MICROSCOPUL ELECTRONICSSItspItsn gtextSpacingSItsv 78650SSItspItsn gtextFontSItsv Arial BlackSSItspItsn gtextFReverseRosSItsv 0SSItspItsn fGtextSItsv 1SSItspItsn gtextFVerticalSItsv 0SSItspItsn gtextFKernSItsv 1SSItspItsn gtextFTightSItsv 0SSItspItsn gtextFStretchSItsv 1SSItspItsn gtextFShrinkFitSItsv 1SSItspItsn gtextFBestFitSItsv 1SSItspItsn gtextFNormalizeSItsv 0SSItspItsn gtextFDxMeasureSItsv 0SSItspItsn gtextFBoldSItsv 0SSItspItsn gtextFItalicSItsv 0SSItspItsn gtextFUnderlineSItsv 0SSItspItsn gtextFShadoSItsv 0SSItspItsn gtextFSmallcapsSItsv 0SSItspItsn gtextFStrikethroughSItsv 0SSItspItsn fillTypeSItsv 7SSItspItsn fillBackColorSItsv 11184810SSItspItsn fFilledSItsv 1SSItspItsn fLineSItsv 0SSItspItsn shadoColorSItsv 5066061SSItspItsn shadoOpacitySItsv 52429SSItspItsn shadoOffsetYSItsv 38100SSItspItsn fShadoSItsv 1SSItspItsn fshadoObscuredSItsv 0SSItspItsn fPerspectiveSItsv 0SSItspItsn f3DSItsv 0SSItspItsn fc3DMetallicSItsv 0SSItspItsn fc3DUseExtrusionColorSItsv 0SSItspItsn fc3DLightFaceSItsv 1SSItspItsn fc3DConstrainRotationSItsv 1SSItspItsn fc3DRotationCenterAutoSItsv 0SSItspItsn fc3DParallelSItsv 1SSItspItsn fc3DKeyHarshSItsv 1SSItspItsn fc3DFillHarshSItsv 0SSItspItsn fLayoutInCellSItsv 1SSItspItsn fLayoutInCellSItsv 1SSStpicscalex75tpicscaley75tpiccropl0tpiccropr0tp iccropt0tpiccropb0tpic20108tpich1799tpicgoal11400tp ichgoal1020tmetafile8Stpar tpar tpar Stpard tqc tli0tri0tsb240tsa240tidctlpartaspalphataspnumtfaau totadjustrighttrin0tlin0titap0 Itfs28 tpar Stpard tqj tli0tri0tsb240tsa240tidctlpartaspalphataspnumtfaau totadjustrighttrin0tlin0titap0 Itfs28 ttab Inventia microscopului electronic a fost posibila in urma unor studii experimentale si teoretice in fizica si inginerie. Principalul concept pe care microscopul electronic s-a format electronii au unda asociata. Acesta a fost ipotetizat de catre fizicianul francez Printul Luis Victor de Broglie in 1924. In 1927, ipoteza lui de Broglie a fost verificata experimental de catre fizicienii americani Clinton J. Davisson si Lester H. Germer si independent de catre fizicianul englez George Paget Thomson. In 1932 inginerii germani Max Knoll si Ernst Ruska construiesc primul microscop de transmisie electronica. In 1938 Ruska si inginerul german Bodo von Borries construiesc primul model al comercialului M.E.T. pentru Siemens-Halske Company din Berlin, Germania. InginSItf38tfs28 erul englez Sir Charles Oatley a inventat M.E.S.-ul. Ernst Ruska a realizat primele experimente cu ajutorul microscopului electronic construit de el teensutbai, primul de acest fel din lume, teen care rolul razelor de luminte3 era teendeplinit de un fascicul de electroni ce traversau mai multe lentile electronice.t Primul microscop electronic putea mte3ri imaginea obiectelor doar de 400 de ori.tpar Stpard tqj tfi720tli0tri0tsb240tsa240tidctlpartaspalphataspnu mtfaautotadjustrighttrin0tlin0titap0 Itfs28 Se stie ca puterea separatoare a intrumentelor optice este invers proportionala cu lungimea de unda a radiatiei utilizate. Microscoapele optice nu vor putea da imagi... Download |