Investigación y ciencia 340 - Enero 2005

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    Hjkpcfx [, Hjog

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    todkx ckx fdkdfx, Vl {vglto df cox xvnftox fxtvdgkdox roxfkvl lgyfc df afphvpgo xvrfpgop kc pfhoafldkdo rop ck Keflhgkdf Rpotfhhgl Afdgoka`gfltkc# vlk rkptf rop agccl, Lglelotpo holtkaglkltf# {vf xf xfrk# xoaftf k vl rophfltknf tklkcto df ck ro`ckhgl df FF,VV, k vlox lgyfcfx df fzroxghglxvrfpgopfx k cox pfhoafldkdox rop ckx kvtopgdkdfx ifdfpkcfx,Cox akwopfx iohox df afphvpgo xvxrfldgdo fl fc kgpf xol ckxhfltpkcfx fchtpghkx {vf {vfakl hkp`l,

    Hjkpcfx [, Hjog

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    fl fc avhjo aflox dkglo ftkloc, Fc ho!pk~l {vg~ holtpg`vwk k ck hgphvckhgl dfc

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    Ck fxhkxf~ df ozeflo lo fxvl rpo`cfak rkpk kcevlox rfhfx,

  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

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    Ck flxfkl~k df ck cfhtvpk jk pfhg`gdo vlkktflhgl holxgdfpk`cf fl cox ctgaox kox roprkptf df dgyfpxkx dgxhgrcglkx> ck rxghocoek# ckcglextghk# ckx lfvpohgflhgkx w ck gltfcgeflhgkkptgighgkc# fltpf otpkx, Ckx glyfxtgekhgolfx pfk!cg~kdkx jkl hpfkdo vl xcgdo hvfpro df holo!

    hgagfltox xo`pf ck lktvpkcf~k dfc khto df cffp# xo`pf fcrpohfxo df kd{vgxghgl df fxtk hoarftflhgk w xo`pf ckxdgighvctkdfx {vf flhvfltpk fc krpfldg~ fl tkc rpohfxo,Lo o`xtkltf# w pficfnkldo ck flopaf garoptklhgk {vftgflf fl lvfxtpk xohgfdkd ck kcik`ftg~khgl rcflk dftodk ck ro`ckhgl# cox df`ktfx xo`pf cox atodox df fl!xfkl~k xgevfl xgfldo gltflxox,

    Jkw {vf flxfkp k cffp? Rckltfkp fxtk rpfevltk rpf!xvrolf {vf rvdgfpk lo xfp lfhfxkpgo jkhfpco# {vf xfrvfdf krpfldfp k cffp hoao xf krpfldf k jk`ckp# fx df!hgp# xgl flxfkl~k opeklg~kdk xgxtfatghkafltf, Todoxcox lgox kd{vgfpfl xv cflevk aktfplk xgl rpoepkakxdf flxfkl~k lg akfxtpox, @kxtk hol ck rpfxflhgk dfkdvctox {vf jk`ckl xgl gltflhgl df flxfkp rkpk {vfcox lgox krpfldkl xgl yocvltkd df krpfldfp, Krpfldfpk cffp# rop fc holtpkpgo# fzgef hckxfx# rpoepkakx# rpoif!

    xopfx# w k rfxkp df todox fxtox fxivfp~ox# rckltfk rpo!`cfakx k vlk rporophgl epkldf df lgox, Xgl fa!`kpeo# kcevlox kvtopfx dfigfldfl ck gdfk df {vf krpfldfpk cffp w kd{vgpgp ck cflevk aktfplk lo xol hol{vgxtkxivldkafltkcafltf dgifpfltfx, Fx hgfpto {vf avhjox lgoxkrpfldfl k cffp hol vlk ikhgcgdkd kxoa`poxk, Rfpo#nvlto k xtox# xf flhvfltpkl otpox rkpk {vgflfx fxtk tk!pfk fx hkxg gppfkcg~k`cf, Tkcfx dgifpflhgkx gldgygdvkcfxlo xf o`xfpykl fl ck kd{vgxghgl df ck cflevk aktfplk#co {vf pfxrkcdk ck gdfk df {vf krpfldfp k cffp w krpfl!dfp k jk`ckp fltpkkl afhklgxaox dgifpfltfx,

    Fzgxtfl dox ikagcgkx df atodox df flxfkl~k df ckcfhtvpk {vf xf xvfcfl rpfxfltkp hoao avtvkafltf fz!

    hcvwfltfx> cox atodox ilghox# {vf dkl rpgopgdkd kck flxfkl~k dfc rpglhgrgo kcik`tgho# w cox atodoxeco`kcfx w xvx dfpgykdox# {vf dkl rpgopgdkd kc xge!lgighkdo {vf tpklxagtfl cox aflxknfx fxhpgtox, Yfpfaox{vf lo fzgxtf lglel ivldkaflto rkpk khfrtkp fxtk oro!xghgl, Kvl{vf ck holipoltkhgl fltpf dfiflxopfx dfvlo w otpo atodo fx rkptghvckpafltf flholkdk fl fcavldo klecoxknl# rop pk~olfx {vf krkpfhfpl ax kdf!ckltf# cox rckltfkagfltox tka`gl xol xfafnkltfx flckx hoavlgdkdfx df cflevk hkxtfccklk,

    Fc atodo ilghoFc atodo ilgho xf rporolf fzrcotkp cox `flfighgoxdfc rpglhgrgo kcik`tgho {vf fxt fl ck `kxf df lvfxtpoxgxtfak df fxhpgtvpk> {vf ckx vlgdkdfx vtgcg~kdkx fl ckfxhpgtvpk# cftpkx w epvrox df cftpkx# dfloaglkdkx epk!ifakx *ck h df hkxk w ck hj df hjkc# rop fnfarco'#pfrpfxfltkl df aklfpk ax o aflox xgxtfatghk ckxvlgdkdfx ioloceghkx df ck cflevk dfloaglkdkx iolf!akx, Fc atodo ilgho df flxfkl~k df ck cfhtvpk hol!xgdfpk {vf fc rpglhgrgo kcik`tgho df`f xfp rpfxfltkdokc krpfldg~ df aklfpk fzrchgtk# xgxtfatghk w tfarpklk,

    Fzrchgtk xgelgighk {vf fc akfxtpo df`f kwvdkp kc kcvalok hoarpfldfp ck pfckhgl {vf fzgxtf fltpf epkifakx wiolfakx xgl fxrfpkp {vf xtf dfxhv`pk fxroltlfk!afltf tkc pfckhgl, Xgxtfatghk {vgfpf dfhgp {vf ck fl!xfkl~k df`f opeklg~kpxf xgevgfldo vl opdfl rpfhgxo#dftfpaglkdo rop holxgdfpkhgolfx tfpghkx w rphtghkx{vf toakl fl hvfltk ckx dgighvctkdfx {vf rckltfk fc kgx!ckp hgfptox iolfakx, Cox iolfakx lo xol cox xolgdoxaktfpgkcfx df {vf fxt jfhjk fc jk`ck# xglo fltgdkdfxk`xtpkhtkx, Rop fnfarco# fc iolfak /r/ fx vlk k`xtpkh!hgl> fx co {vf ckx rkck`pkx rkrk# rgrk w rf *fcloa`pf df ck cftpk {vf co pfrpfxfltk' tgflfl fl hoalkc hoagfl~o, Fxtf iolfak lo rvfdf xfp holhpftg~kdo

    Ck flxfkl~k

    df ck cfhtvpkCk `x{vfdk dfc afnop atodo rkpk flxfkp k cffpxgevf rpfohvrkldo k avhjox fdvhkdopfx,

    Ck glyfxtgekhgl hgfltighk rfpagtf khtvkcafltf

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    Nfxx Kcfepk# Akpgxoc Hkppgcco w Fagcgo Xlhjf~

    9 GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

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    aktfpgkcafltf fl vl xolgdo rop{vffx garoxg`cf rpolvlhgkpco xgl vlkyohkc, Rop fxtk pk~l# ck flxfkl~kdf ck hoppfxroldflhgk fltpf epkif!akx w iolfakx xfp ax fzgtoxk xghoagfl~k hol ckx yohkcfx w ckx hol!xolkltfx ipghktgykx {vf rvfdfl xfpkgxckdkx# w xf fxrfpk {vf fxto kwvdfkc lgo k hoarpfldfp fc rpglhgrgo kc!ik`tgho, Rop ctgao# tfarpklk xf pf!igfpf k {vf fc hdgeo kcik`tgho df`frpfxfltkpxf dfxdf fc hoagfl~o dfcrpoepkak df flxfkl~k,

    Fc ivldkaflto tfpgho df fxtf a!todo fx {vf fc doaglgo dfc xgxtfakdf hoppfxroldflhgkx rolf k dgxroxg!hgl dfc lgo vlk jfppkagfltk *cffp'{vf cf rfpagtgp hoarpfldfp fc xge!lgighkdo df hvkc{vgfp rkck`pk {vfflhvfltpf, Df kj ck lohgl df rpo!dvhtgygdkd{vf hkpkhtfpg~k kc hdgeokcik`tgho,

    Fltpf ckx hptghkx {vf xf jkl iop!avckdo jkhgk fxtf atodo# rpglhg!rkcafltf rop dfiflxopfx df rporvfx!tkx aftodoceghkx kctfplktgykx# hk`fdfxtkhkp tpfx, Ck rpgafpk> pfxvctkroho fxtgavckltf rkpk fc krpfldg~=cf kcfnk df ck dgaflxgl ivlhgolkcdf ck cfhtvpk> fztpkfp xgelgighkdo whoavlghkp, Fl xfevldo cvekp# xvikctk df fighkhgk# rkptghvckpafltffl kcevlkx cflevkx# hoao fc glecx#fl ckx {vf fc hdgeo kcik`tgho fxroho rpodvhtgyo k hkvxk df ck ikc!tk df pfevckpgdkd df ckx pfckhgolfxepkifak!iolfak, Fxtk hptghk fx dfaflox garoptklhgk fl xgxtfakx op!toepighox ax pfevckpfx# hoao fcdfc hkxtfccklo, Rop ctgao# kcevloxkvtopfx kigpakl {vf cox lgox ro!xffl holohgagfltox gltvgtgyox xo!`pf ck fxhpgtvpk *{v pfrpfxfltk# haoco jkhf# rkpk {v xgpyf' {vf fc xgx!tfak df flxfkl~k ilgho gelopk#co {vf rodpk ccfykp kc lgo k loorfpkp hol co {vf wk roxff w k kdor!tkp vlk khtgtvd rkxgyk kltf fc lvfyokrpfldg~knf,

    Cox atodox eco`kcfxCox atodox eco`kcfx krkpfhfl hoaovl gltflto df xvrfpkp kcevlkx dffxtkx hptghkx, Ck rporoxghgl rpgl!hgrkc fx {vf ckx vlgdkdfx flxfkdkxxfkl ckx rkck`pkx hoarcftkx, Df fxtkiopak xf fygtkl cox rpo`cfakx df ckikctk df pfevckpgdkd dfc hdgeo w#kdfax# fc krpfldg~knf xf hfltpk flvlgdkdfx {vf tgflfl xgelgighkdo k`kl!dolldoxf ckx {vf lo co tgflfl# coxepkifakx w cox iolfakx,

    Fl vl rpoepkak hcxgho df cfh!tvpk eco`kc xf fargf~k flxfkldokc krpfldg~ ykpgkx dfhflkx df rk!ck`pkx jkxtk {vf ckx pfholo~hk dg!pfhtkafltf# fx dfhgp# xgl pfhvppgp kck afdgkhgl ioloceghk *cvlk/cvlk/# xoc/xoc/# fth,', Fc yo!hk`vckpgo ygxvkc kx kd{vgpgdo fxvtgcg~kdo rop cox kcvalox rkpk cffpw hoarolfp ipkxfx# rfpo fxtkx khtg!ygdkdfx fxtl cgagtkdkx rop ck hkl!tgdkd df rkck`pkx afaopg~kdkx, Kltfvlk rkck`pk dfxholohgdk fc krpfl!dg~ fxtk o`cgekdo k kdgyglkp xv xge!lgighkdo= fc akfxtpo co klgakp krpkhtghkp fxtk khtgygdkd w lo k `vx!

    hkp ck hoppfxroldflhgk fltpf epkif!akx w iolfakx, Yfpxgolfx afloxpkdghkcfx dfc atodo rckltfkl {vffc hpfhgagflto dfc yohk`vckpgo yg!xvkc pf{vgfpf pfkcg~kp dgxhpgaglk!hgolfx hkdk yf~ ax iglkx {vf rvf!dfl gldvhgp kc kcvalo k pfrkpkp flck iolocoek, Rop fnfarco# rkpk af!aopg~kp fc xgelgighkdo df rkck`pkxhoao cvlk# hvlk# dvlk# tvlk#fth,# glifpgp fc ykcop iolocegho dfck rpgafpk cftpk fx garoptkltf, Dffxtk aklfpk# hk`pk xvrolfp {vf xg

    `gfl ckx hoppfxroldflhgkx epkifak!iolfak lo xf flxfkl *kc afloxfzrchgtk w xgxtfatghkafltf'# fckcvalo rvfdk ccfekp k orfpkp holfcckx df kcel aodo,

    Lo o`xtkltf# cox dfiflxopfx dffxtk aftodocoek kxvafl fc rpglhg!rgo tfpgho# dfifldgdo rop I, Xagtjfltpf otpox# df {vf ck iolocoek loiopak rkptf df cox rpohfxox {vf gl!tfpygflfl fl ck gdfltgighkhgl dfrkck`pkx fxhpgtkx rop rkptf dfc cfh!top fzrfpto, Ax fxrfhighkafltf#kpevafltkl {vf ck afdgkhgl io!loceghk jkhf ax cflto fc khhfxokc xgelgighkdo w# holxfhvfltfafltf#

    df`fpk xfp dfxtfppkdk df ck fl!xfkl~k, Fx garoptkltf kltghgrkp {vffxtkx gdfkx jkl xgdo pfivtkdkx far!pghkafltf dvpkltf cox ctgaox kox#hoao yfpfaox flxfevgdk,

    Fl ck clfk df cox atodox eco!`kcfx# ck orhgl dfloaglkdk cfl!evknf gltfepkdo rolf fc likxgx flfc vxo dfc cflevknf fxhpgto fl xg!tvkhgolfx hoavlghktgykx pfkcfx,Xfel fxtk roxghgl# fc rkrfc dfcakfxtpo fx fc df kwvdkp kc kcvalok fzrcopkp w dfxhv`pgp rpoepfxgyk!

    GLYFXTGEKHGL W HGFLHGK# flfpo# 0226 5

    ;, CK FLXFKL^K DF CK CFHTVPK# df`f `kxkpxf fl ck kxohgkhgl df epkifakxw iolfakx# o jk df farf~kp wk rop ckx rkck`pkx hoarcftkx?

    TGLKUFXT

  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

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    : GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

    afltf ckx holyflhgolfx dfc cflevknffxhpgto k tpkyx df xv vxo fl hol!tfztox lktvpkcfx, Kc cfhtop rpglhg!rgkltf {vf lo holxgevf cffp vl afl!xknf xf cf klgakp rkpk {vf kdgyglfxv xgelgighkdo fzrcotkldo todox coxpfhvpxox dgxrolg`cfx> rkck`pkx {vfpfholohf# xvx rporgox holohgagfl!tox cglextghox f gliopakhgolfx xo!`pf fc tfak# ckx gcvxtpkhgolfx {vfkhoarkkl fc aflxknf# ck hoarpfl!xgl df ckx gltflhgolfx dfc kvtop#fth, Mfllft Eoodakl holdflx fxtklohgl fl vlk ipkxf hcf`pf> Cffpfx rpkhtghkp vl nvfeo df kdgyglkl!~kx rxghocglextghkx, Fxtk kigpak!hgl tgflf hoao holxfhvflhgk {vffc pfholohgagflto df rkck`pkx xfkholxgdfpkdo vl rpohfxo xfhvldk!pgo# vlk orhgl# fl ck hoarpflxgldf ck cflevk fxhpgtk, Rkpk cox df!iflxopfx dfc cflevknf gltfepkdo lo

    fx lfhfxkpgo cffp hkdk vlk df ckx rk!ck`pkx df vl tfzto# rvfx fc cfhtop

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    Fl fc avldo jgxrklojk`ckltf xfjk dfxkppocckdo otpk aftodocoek ho!avlghktgyk hol pkhfx fl ck tfopkfyocvtgyk holxtpvhtgygxtk df NfklRgkeft, Fc ivldkaflto df fxtk rpo!rvfxtk fx {vf cox lgox {vf dfxdfavw rf{vfox fltpkl fl holtkhtohol ck cflevk fxhpgtk dfxkppoccklfxroltlfkafltf# fxto fx# xgl fl!xfkl~k iopakc# gdfkx xo`pf co {vf

    pfrpfxfltk ck fxhpgtvpk fl fc rckloiopakc w ivlhgolkc> {v dgxtglevf

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    Ck aftodocoek holxtpvhtgygxtk

    rckltfk ck flxfkl~k k rkptgp df ckxjgrtfxgx dfc lgo w rporghgk flcox krpfldghfx fc farcfo df xvx rpo!rgox pfhvpxox rkpk fxhpg`gp, Fx ga!roptkltf xv`pkwkp {vf fc kyklhf dfckcvalo xvrolf vl khfphkagflto rpo!epfxgyo kc hdgeo kcik`tgho# w {vfxg `gfl ckx pfeckx df tpklxiopakhglepkifak!iolfak# w yghfyfpxk# lo xfflxfkl df aklfpk xgxtfatghk# fckrpfldg~ tfldp glfygtk`cfafltf {vfdfxhv`pgpckx o hodfxhv`pgpckx hol ckkwvdk dfc flxfkltf, Fxtf hpfk xg!tvkhgolfx {vf ikyopf~hkl ck fyocv!hgl df ckx gdfkx rfpxolkcfx dfclgo xo`pf fc cflevknf fxhpgto, Ropfc holtpkpgo# fl ck aftodocoek i!lghk# w tka`gl fl ck eco`kc# fx fcflxfkltf fc {vf rcklgighk ck xf!hvflhgk hol ck {vf xf ccfykpl k hk`ocox krpfldg~knfx,

    Rfpo vlk pfygxgl hptghk df ckxorhgolfx aftodoceghkx rpfxfltkdkxlo rvfdf dfnkp kc akpefl k ckx krop!tkhgolfx `gfl holxocgdkdkx df ck gl!yfxtgekhgl xo`pf cox afhklgxaox orpohfdgagfltox df cfhtvpk df ckx

    rkck`pkx# xv kd{vgxghgl w xvx dgig!hvctkdfx,

    Hao cffaox ckx rkck`pkx?Fxtk hvfxtgl rvfdf rkpfhfpcf fz!tpkk kc cfhtop fzrfpto, Lvfxtpk ga!rpfxgl fx {vf ck gdfltgighkhgl dfvlk rkck`pk fxhpgtk fx glxtkltlfk wlo dfnk cvekp kc fxtvdgo df rpohf!xox {vf rodpkl toakp tgfaro w hol!xvagp flfpek rop rkptf dfc cfhtop,Xgl fa`kpeo# fc klcgxgx fzrfpgafltkcdf ck cfhtvpk df rkck`pkx dfavfxtpkTGL

    KUFXT 0, COX AFTODOX ECO@KCFX toakl hoao vlgdkd df krpfldg~knf ckx rkck`pkx hoarcftkx,

    Ck gppfevckpgdkd optoepighk dfc glecx rodp xfp vlk pk~l rkpk ortkp rop fxtf flio{vffl fxk cflevk,

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    {vf lo fx kx, Rop fnfarco# ckx rk!ck`pkx ipfhvfltfx xf gdfltgighkl axdfrpgxk {vf ckx aflox ipfhvfltfxw cox fxtvdgox df ck`opktopgo avfx!tpkl {vf fxtf w otpox ikhtopfx# tkcfxhoao ck colegtvd df ck rkck`pk# xvfxtpvhtvpk optoepighk o ck fzgxtfl!hgk df yfhglox optoepighox o io!loceghox *rkck`pkx xgagckpfx op!toepighk o ioloceghkafltf= ropfnfarco# xol yfhglkx df rkto ckxrkck`pkx ekto# rkco# rktk# rgto,,,'# df!tfpaglkl df aklfpk rpfygxg`cf ckdvpkhgl w ck rpfhgxgl dfc rpohfxodf gdfltgighkhgl,

    Cox aodfcox fck`opkdox rkpk fz!rcghkp fxtox pfxvctkdox holxgdfpkl{vf gdfltgighkp vlk rkck`pk hol!xgxtf fl fxtk`cfhfp vlk holfzgl fl!tpf xv iopak optoepighk fl fc tfztow cox holohgagfltox {vf fc cfhtoproxff fl xv afaopgk czghk xo`pf

    dghjk rkck`pk= holohgagfltox rpgl!hgrkcafltf xfaltghox *xv xgelgig!hkdo'# xglthtghox *tgro epkaktghkc#elfpo# fth,' w ioloceghox *xv rpo!lvlhgkhgl', Fxtk holfzgl xf rvfdfpfkcg~kp df dox iopakx dgifpfltfx,Ck rpgafpk tgflf cvekp df aklfpkdgpfhtk w xf rpodvhf hvkldo ck rk!ck`pk {vf jkw {vf gdfltgighkp iopakrkptf dfc pfrfptopgo df rkck`pkx af!aopg~kdkx {vf roxff fc cfhtop# fcdfloaglkdo czgho optoepigho, Ckxfevldk rpohfdf rop flxka`cknf io!locegho# fxto fx tpkdvhgfldo coxfcfafltox optoepighox df ck rkck!`pk# cftpkx w epvrox df cftpkx# k ckiopak ioloceghk hoppfxroldgfltf,Xf tpktk fl fxtf hkxo df vl pfho!lohgagflto gldgpfhto {vf xf rpodvhfk tpkyx df ck pfrpfxfltkhgl io!loceghk df ck rkck`pk,

    Khtgygdkd kvtoaktg~kdkFxtox dox rpohfxox ivlhgolkl df ak!lfpk rkpkcfck w kvtoatghk# co {vf{vgfpf dfhgp {vf cox rpohfxox ga!rcghkdox fl ck cfhtvpk df rkck`pkx

    xf rolfl fl akphjk o`cgektopgkafltffl hvklto cox onox dfc cfhtop ignklvlk rkck`pk fxhpgtk, Ck yocvltkddfc cfhtop lo dfxfarfk lglel rk!rfc fl fxtf rpohfxo w# rop fcco# loxf rvfdf fygtkp cffp vlk rkck`pkvlk yf~ {vf jk fltpkdo fl fc hkaroygxvkc# lg tkaroho dfhgdgp xg ck rk!ck`pk xfp rpohfxkdk ioloceghk voptoepighkafltf,

    E, Ykl Opdfl w xvx hock`opkdo!pfx jkl dfaoxtpkdo fcfekltfafltfck gltfpyflhgl df ck iolocoek fl

    ck cfhtvpk df rkck`pkx rop afdgo dfvlk tkpfk df toak df dfhgxgl xfal!tghk> holtfxtkp prgdkafltf xg vlkrkck`pk fxhpgtk rfptflfhf o lo kvlk hktfeopk rkptghvckp= rop fnfa!rco# dfhgdgp xg xf tpktk o lo df vlkicop, Cox pfxvctkdox avfxtpkl {vfrkck`pkx hoao poux *pfak'# {vfxf rpolvlhgk gevkc {vf poxf *poxk'#rpodvhfl k aflvdo fc fppop df krpf!tkp fc `otl x, Rop xvrvfxto {vffc cfhtop xk`f {vf poux lo fx vlloa`pf df icop# rfpo ck tfldflhgk kpfxroldfp x pfyfck {vf ck iolo!coek df poux# {vf xf khtgyk df aodokvtoatgho fl fc rpohfxo df gdfl!tgighkhgl df ck rkck`pk fxhpgtk# gl!tfpigfpf lfektgykafltf fl ck tkpfkxfaltghk# xgl {vf cox xvnftox rvf!dkl fygtkpco, Fxtf iflaflo# cck!akdo fifhto df joaoiolk# xf o`!xfpyk tka`gl hvkldo xf rpfxfltkl

    rxfvdorkck`pkx, Rop fnfarco# fl hkx!tfccklo# ck rxfvdorkck`pk jk`gl#joaiolk df kygl# rpodvhgpk gl!tfpifpflhgkx fl ck tkpfk df dfhgxglxfaltghk o`nfto {vf yvfck eflf!pkldo vlk tfldflhgk fpplfk k pfx!roldfp x,

    Hk`f kepfekp {vf cox fxtvdgox ag!lvhgoxox df Pkwlfp w xvx hock`o!pkdopfx xo`pf ck aklfpk fl {vf coxonox pfhoppfl vl tfzto pfyfckl kx!rfhtox df fxtk khtgygdkd {vf# dflvfyo# lo hoglhgdfl hol lvfxtpkx

    gltvghgolfx df cfhtop, Tflfaox ckgarpfxgl df {vf cox onox xf dfx!cg~kl df aklfpk holtglvk k co ckpeodf ckx clfkx df tfzto# rfpo ck pfk!cgdkd fx avw dgifpfltf, Cox onoxrpohfdfl df aklfpk dgxholtglvk>xf dftgflfl fl ck rkck`pk {vf cffldvpkltf vlox 022!062 agcgxfevldoxhoao rpoafdgo *ignkhgl ohvckp' wxkctkl# cgtfpkcafltf# k ck xgevgfltffl 82 ax *aoygagflto xkhdgho',Cox fxtvdgox xo`pf cox aoygagfl!tox ohvckpfx dfc cfhtop fzrfpto avfx!tpkl {vf xf ignkl hkxg todkx ckx rk!ck`pkx df vl tfzto w {vf ck dvpkhgldf ckx ignkhgolfx dfrfldf dfc tpk!`kno df gdfltgighkhgl {vf fzgnk ckrkck`pk *fx aflop fl ckx rkck`pkxipfhvfltfx {vf fl ckx {vf lo coxol tklto',

    Todox fxtox tpk`knox avfxtpkl {vffc rpohfxkagflto df ckx rkck`pkx

    fxhpgtkx# kgxckdkx o hoarolgfldovl tfzto# fx vlk khtgygdkd kvtoak!tg~kdk fl fc cfhtop fzrfpto, Xvx hvk!cgdkdfx gltfcfhtvkcfx tgflfl roho olkdk {vf yfp fl tkc rpohfxo, Ropxvrvfxto# fc cfhtop ckx fnfphf fl coxrpohfxox df hoarpflxgl df cox tfz!tox> krcghk xvx holohgagfltox cgl!extghox w holhfrtvkcfx rkpk fz!tpkfp ckx gdfkx# pfckhgolkpckx fltpfx w hol cox holohgagfltox rpfygox#rkpk pfkcg~kp glifpflhgkx# f glhcvxorkpk fcfegp gltfcgefltfafltf dldf

    GLYFXTGEKHGL W HGFLHGK# flfpo# 0226 7

    Hoarkpkhgl df atodox df flxfkl~kfl Fxtkdox Vlgdox

    Xol lvafpoxkx ckx glyfxtgekhgolfx {vf avfxtpkl ckx yfltknkx df ckflxfkl~k ilghk fl ck cflevk glecfxk, Fl cox FF,VV, jkw vlkckpek tpkdghgl df hoarkpkp cox pfxvctkdox o`tflgdox hol dgifpfltfxatodox df flxfkl~k df ck cfhtvpk, Fltpf cox fxtvdgox pfhgfltfx xfflhvfltpk fc pfkcg~kdo rop ck Khkdfagk Lkhgolkc df Hgflhgkx/ HolxfnoLkhgolkc df Glyfxtgekhgolfx# {vf# `kno fc kvxrghgo dfc Dfrkptkafltodf Fdvhkhgl# pfygx ax df 522 rv`cghkhgolfx, Ccfe k ck holhcvxgldf {vf fc pfholohgagflto df ckx rkck`pkx fxhpgtkx fx avw dgihgc xg loxf dgxrolf dfc holohgagflto df hao ckx cftpkx pfrpfxfltkl df iopakxgxtfatghk k cox xolgdox, Kdfax# xgl tkc holohgagflto lo fx roxg`cffc rpoepfxo fl fc krpfldg~knf, Xg vl lgo lo rvfdf krowkpxf fl fcrpglhgrgo kcik`tgho# fc pfholohgagflto df rkck`pkx xfp cflto w ck`o!pgoxo# co {vf dgighvctkp ck hoarpflxgl df cox tfztox,

    Kx agxao fc Rklfc Lkhgolkc xo`pf ck Cfhtvpk# opeklg~kdo rop fcGlxtgtvto Lkhgolkc df Xkcvd Glikltgc w Dfxkppocco Jvaklo# df FxtkdoxVlgdox# pfkcg~ vl aftkklcgxgx df vlk xfcfhhgl df 8: fxtvdgox `gflholtpockdox xo`pf glxtpvhhgl ilghk, Cox pfxvctkdox aoxtpkpol {vfck glxtpvhhgl ilghk xgxtfatghk kvafltk fc zgto df cox lgox fl fckrpfldg~knf df ck cfhtvpk w {vf pfxvctk xgelgighktgykafltf ax fifhtgyk

    {vf ck glxtpvhhgl {vf glhcvwf rohk# o lglevlk# flxfkl~k ilghk,Otpk garoptkltf rv`cghkhgl kafpghklk# Jou Rxwhjocoeghkc XhgflhfGliopax tjf Tfkhjgle oi Pfkdgle# pfhoef vlk pfygxgl fzhfcfltf df coxdktox ax khtvkcfx w xgelgighktgyox fl fc tfak {vf lox ohvrk,

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    cffp fl ivlhgl df xvx gltfpfxfx wlfhfxgdkdfx,

    Flxfkp k vl lgo k cffp holxgx!tf# rop lfhfxgdkd# fl kwvdkpco kfck`opkp vl rpohfxkdop df rkck`pkxfxhpgtkx kvtoaktg~kdo# rfpo fx tka!`gl flxfkpcf k flholtpkp ckx hck!yfx {vf rfpagtfl ck hoarpflxgldf cox tfztox w k `vxhkp gliopak!hgl gltfcgefltfafltf fl ivlhgldf xvx lfhfxgdkdfx, Fxtox actgrcfxkxrfhtox {vf fleco`k ck flxfkl~kdf ck cfhtvpk xol dfc todo dgifpfl!tfx w `vflk rkptf dfc df`ktf xo`pfcox atodox rpoygflf df {vf coxdfiflxopfx df vlo v otpo jk`ckl dfflxfkp k cffp jkhgfldo pfifpflhgkk hvfxtgolfx dgifpfltfx> hpfkp w kvto!aktg~kp fc rpohfxkdop df rkck`pkx

    fxhpgtkx# rop vlk rkptf# w flxfkpcfkc lgo k xfpygpxf hol gltfcgeflhgkdf c# rop otpk,

    Ck holhgflhgk ioloceghkFc rpohfxo df krpfldg~knf {vf ccfykk ck kd{vgxghgl df cox afhklgx!aox df gdfltgighkhgl df rkck`pkxfx vlo df cox afnop dohvafltkdoxdf ck rxghocoek hoelgtgyk, Fl fchkxo dfc cfhtop fzrfpto ygaox {vffzgxtfl dox rpohfdgagfltox rkpk ckgdfltgighkhgl df rkck`pkx fxhpgtkx#

    vlo dgpfhto v optoepigho w otpogldgpfhto o iolocegho, Fl fxtf c!tgao hkxo fc xgxtfak ktpg`vwf io!lfakx k ckx cftpkx o epvrox df cf!tpkx# w rkpk krpfldfp k jkhfp fxtkorfpkhgl fc krpfldg~ tgflf {vfhoarpfldfp fc hdgeo kcik`tgho# co{vf cf fzgef jk`fp kgxckdo afltkc!afltf cox iolfakx, Xco kx fc lgoxfp hkrk~ df holhf`gp ckx rkck!`pkx xoc w eoc hoao iopakdkxhkdk vlk rop tpfx iolfakx# df coxhvkcfx fx fc rpgafpo fc {vf dgxtgl!evf vlk df otpk, Xf jk dkdo fc loa!`pf df holhgflhgk ioloceghk k fxtkhkrkhgdkd, Lo xf tpktk xco df ro!dfp dgxhpgaglkp kvdgtgykafltf rk!ck`pkx {vf rpfxfltkl dgifpflhgkx io!loceghkx algakx= fxtk ctgak

    hkrkhgdkd iopak rkptf df cox af!hklgxaox df rpohfxkagflto dfc jk!`ck {vf xf dfxkppocckl df iopaklktvpkc w fc lgo ck roxff glhcvxokltfx df farf~kp k jk`ckp, Xg loivfpk kx# lo rodpk dgxtglevgp fl!tpf ckx rkck`pkx {vf owf w fxtk`cf!hfp hoppfxroldflhgkx xgxtfatghkxfltpf hkdk vlk df fcckx w xvx pf!ifpfltfx, Ck holhgflhgk ioloceghkxf dfxkppocck ax tkpdf w pf{vgfpfvl tgro df pficfzgl holxhgfltf {vfrfpagtk kgxckp afltkcafltf ckx vlg!

    dkdfx ioloceghkx {vf holxtgtvwflckx rkck`pkx,

    Hgfptox kxrfhtox df ck holhgflhgkioloceghk rpfhfdfl fl xv dfxkppo!cco kc krpfldg~knf df ck cfhtvpk, Kxxf jk dfaoxtpkdo {vf cox lgox rpf!cfhtopfx xol hkrkhfx df xfeafltkpvlk rkck`pk fl xck`kx dkldo vl eoc!rfhgto o rkcakdk rop xck`k, Holvlox rohox fnfarcox w kceo df fl!tpflkagflto ck akwopk df cox lgoxdf 4 w 6 kox xol hkrkhfx df jk!hfp fxtk tkpfk, Ck jgrtfxgx xgc!`ghk *hkdk xck`k tgflf {vf xfp pf!rpfxfltkdk rop vl xgelo epigho'#dfxhpgtk rop cox holxtpvhtgygxtkx# xf`kxk fl fxtk jk`gcgdkd, Fx fygdfltf{vf fc lgo lo rodpk dfxkppocckp ckjgrtfxgx xg lo ivfpk hkrk~ df hol!hf`gp fzrchgtkafltf ckx rkck`pkxhoao xfhvflhgkx df xck`kx, Ck hol!hgflhgk df otpox kxrfhtox ioloceg!

    hox dfc jk`ck# tkcfx hoao ck pgak#tka`gl xf o`xfpykl kltfx df krpfl!dfp k cffp, Cox lgox rpfcfhtopfx xolhkrkhfx df pfkcg~kp tkpfkx {vf fzg!efl fxtk jk`gcgdkd, Rop fnfarco# xfcfx rpfxfltkl 8 dg`vnox# xoc# eocw akp# w xf cfx rgdf {vf gdfltgig!{vfl fc gltpvxo *akp fl fxtf hkxo'#rkpk co hvkc fc lgo tgflf {vf pf!holohfp {vf ckx rkck`pkx xoc weoc pgakl fltpf fcckx rfpo lo holakp,

    Xgl fa`kpeo# ckx tkpfkx {vf fzg!efl ck xfeafltkhgl fl iolfakx xolavhjo ax dgihgcfx, Kx# ck xvrpf!xgl dfc iolfak glghgkc# tkpfk# hc!xghk fl fxtf doaglgo# fl ck {vf xfrporolf kc lgo vlk rkck`pk hoao/xoc/# k co {vf tgflf {vf pfxroldfp/oc/# lo fxt kc kchklhf df cox rpf!cfhtopfx, Fxtk tkpfk garcghk ck hol!hgflhgk iolaghk# {vf fx fc kxrfhtoax fzgefltf df ck holhgflhgk io!loceghk, Ck holhgflhgk iolaghk fxlfhfxkpgk rkpk ck hoarpflxgl dfchdgeo kcik`tgho# wk {vf rkpk fl!tfldfp co {vf pfrpfxfltkl ckx cftpkx

    df vlk rkck`pk fxhpgtk fc krpfldg~tgflf {vf xfp hkrk~ df kgxckp afl!tkcafltf cox iolfakx hoppfxrol!dgfltfx fl ck rkck`pk jk`ckdk, Fxtkjk`gcgdkd lo xf dfxkppocck df ak!lfpk fxroltlfk# tkc hoao jkl ro!dgdo dfaoxtpkp fzrfpgafltkcafltfN, Aopkgx w xvx hock`opkdopfx holkdvctox gcftpkdox> ivfpol glhkrkhfxdf pfkcg~kp ck tkpfk df xvrpgagp fciolfak glghgkc, Rop fc holtpkpgo# vlepvro df kdvctox dfc agxao fl!toplo xohgkc {vf jk`kl xgdo kcik!

    ;2 GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

    8, KLTFX DF KRPFLDFP K CFFP cox lgox toakl holtkhto hol cox tfztox fxhpgtox, Xf

    ikagcgkpg~kl hol cox pfcktox k tpkyx df cox hvfltox f jgxtopgkx {vf cfx cffl cox kdvctox,Krpfldfl xo`pf ck iopak epighk df ckx rkck`pkx w xv dgxroxghgl fl ckx reglkx# kd{vgf!pfl lvfyo yohk`vckpgo w lvfykx iopakx df fzrpfxgl {vf xol rporgkx dfc cflevknffxhpgto, Fxtox holohgagfltox dfxfarfkl vl rkrfc avw garoptkltf fl {vf ck cfhtvpk xfkvlk fzrfpgflhgk aotgykdopk w rcflk df xgelgighkdo,

    NFXVXKCFEPGK#AKPGXOCHKPPGCCOWFAGCGOXKLHJF^

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    `ftg~kdox rvdo ccfykpck k hk`o, Dfcagxao aodo# Hj, Pfkd w xvx ho!ck`opkdopfx dfaoxtpkpol {vf cox cfh!topfx hjglox {vf xco vtgcg~kl fcxgxtfak coeoepigho rporgo df fxtkcflevk# {vf lo pfrpfxfltk iolfakx#xol glhkrkhfx df pfkcg~kp ck tkpfkdf xvrpfxgl dfxhpgtk,

    Fxtox pfxvctkdox tgflfl vlk glhg!dflhgk garoptkltf fl ck flxfkl~kdf ck cfhtvpk rvfxto {vf gldghkl>k' {vf ck holhgflhgk iolaghk lo xfdfxkppocck fxroltlfkafltf# `' {vfck fxtpvhtvpk iolaghk dfc jk`cktgflf {vf xfp fzrchgtkafltf pfyf!ckdk kc krpfldg~ cfhtop w h' {vf fxtolo ohvppf fl eflfpkc xg lo fx fl fcholtfzto dfc krpfldg~knf df ck cfh!tvpk fl vl xgxtfak kcik`tgho, Kdf!ax# glyfxtgekhgolfx hoao ck pfkcg!~kdk rop vlo df cox kvtopfx# NfxxKcfepk# w xvx hock`opkdopfx jkl

    aoxtpkdo {vf ck flxfkl~k df ckcfhtvpk hol fc atodo eco`kc dvpkltffc rpgafp ko lo rfpagtf kc lgokd{vgpgp holhgflhgk iolaghk,

    Tka`gl @, @wplf pfkcg~ vlk xf!pgf df fzrfpgafltox rop afdgo dfvlk yfpxgl df ck`opktopgo df ck fl!xfkl~k eco`kc df ck cfhtvpk# fl ck{vf flxfk`k k vlox rpffxhockpfx kafaopg~kp rkpfnkx df rkck`pkx tkcfxhoao ikt *eopdo'# kxohgldock holvl dg`vno {vf pfrpfxfltk`k vl lgoeopdo# w `kt *avphgckeo'# kxo!hgkdk kc dg`vno hoppfxroldgfltf, Rkpkyfpgighkp xg df fxtf krpfldg~knf fclgo rodk dfdvhgp fxroltlfkafltf{vf ck cftpk i df ikt hoppfxroldkkc iolfak /i/# rvfxto {vf fx fc xo!lgdo {vf dgxtglevf ikt df `kt# fckvtop rporolk kc lgo vlk lvfykrkck`pk fxhpgtk# ivl *dgyfpxgl'# wcf rpfevltk`k xg kj dfhk /ivl/ o/`vl/ *`ohkdgcco' , Cox rpfcfhtopfxivfpol glhkrkhfx df jkhfp fxtk tpklx!ifpflhgk, Kdfax# vlk xfpgf df hol!tpocfx fzrfpgafltkcfx xvrcfafltk!pgox rfpagtgfpol holhcvgp {vf fxtk

    glhkrkhgdkd fx df`gdk k ck ikctk dfholhgflhgk iolaghk fl cox krpfl!dghfx# wk {vf fxtox agxaox lgoxfpkl hkrkhfx df pfkcg~kp tkpfkx f{vg!ykcfltfx hol vlgdkdfx {vf pfrpf!xfltk`kl rkck`pkx w lo iolfakx,

    Rop otpk rkptf# cox fxtvdgox col!egtvdglkcfx *fx dfhgp# {vf holtglklk co ckpeo dfc tgfaro' dfc fltpflk!agflto aftkiolocegho fl dgxtgltkxcflevkx kcik`tghkx# glhcvgdo fc fx!rkoc# jkl rfpagtgdo dfaoxtpkp {vfck pfckhgl fltpf ck holhgflhgk io!

    loceghk w fc krpfldg~knf df ck cfh!tvpk fx df tgro hkvxkc> fc fltpflk!agflto df rpffxhockpfx fl tkpfkx {vfdfxkppocckl ck holhgflhgk ioloceghkikyopfhf ck kd{vgxghgl df ck cfh!tvpk w ck fxhpgtvpk= kx o`tgflfl pf!xvctkdox xvrfpgopfx k cox df vl epvrodf holtpoc {vf pfhg`f vl fltpflk!agflto hvkltgtktgykafltf f{vgyk!cfltf rfpo xgl pfckhgl hol ck io!locoek,

    Df khvfpdo hol cox pfxvctkdoxkltfpgopfx# cox atodox ilghox tgf!lfl vlk yfltknk pfxrfhto k cox a!todox df flio{vf eco`kc# fl ck af!dgdk fl {vf fargf~kl tfarpklo kfzrcghgtkp fc hdgeo kcik`tgho#kroptldocf kc krpfldg~ vlk iopakkvtloak df cffp todkx ckx rkck!`pkx {vf flhvfltpf, Fx fygdfltf#xgl fa`kpeo# {vf ck hoarpflxgldfc hdgeo kcik`tgho fx lfhfxkpgk

    rfpo lo xvighgfltf rkpk coepkp vlrpohfxkdop df rkck`pkx kvtoaktg!~kdo, Ck kvtoaktg~khgl dfc pfho!lohgagflto df rkck`pkx fxhpgtkx pf!{vgfpf vlk rphtghk rpocolekdk dfck cfhtvpk= cox tpk`knox fzrfpgafl!tkcfx avfxtpkl {vf fx ck rporgk kh!tgygdkd df cffp ck {vf rfpagtf kc!hkl~kp fxtf pfxvctkdo, Kx# fc jfhjodf gdfltgighkp vlk rkck`pk fl fc hvpxodf ck cfhtvpk tgflf vl do`cf fifhto,Rop vl ckdo# kvtoaktg~k fc rpohfxodf flxka`cknf iolocegho w# rop otpo#hpfk roho k roho ckx pfrpfxfltk!hgolfx optoepighkx df ckx rkck`pkxcfdkx# fx dfhgp# flholtpkdkx f gdfl!tgighkdkx, Fxtkx pfrpfxfltkhgolfx op!toepighkx xol ckx {vf rfpagtgpl ckgdfltgighkhgl dgpfhtk df tkcfx rkck!`pkx fl flhvfltpox vctfpgopfx, Fxtffx fc ivldkaflto df ck lohgl dfkvtokrpfldg~knf# vl afhklgxao{vf fzrcghk hao fc krpfldg~ df cfh!top# fl ck afdgdk fl {vf dgxrolekdf cox afhklgxaox ioloceghox df`kxf {vf cf rfpagtkl gdfltgighkp rk!ck`pkx fxhpgtkx# rodp rop x xoco af!

    nopkp fc ivlhgolkagflto df xv rpo!hfxkdop df rkck`pkx,

    Rfpo fxtk fyocvhgl fx ckpek# w kxvlo df cox kvtopfx# Fagcgo Xlhjf~#hol xvx hock`opkdopfx# jk aoxtpkdofl vl pfhgfltf fxtvdgo {vf ck jk`g!cgdkd df cox lgox rkpk cffp rkck!`pkx kgxckdkx *pkrgdf~ w fzkhtgtvd'kc hk`o df xfgx kox df fxhockpgdkdrpfxfltk kl dgifpflhgkx gldgygdvk!cfx garoptkltfx, Tkcfx dgifpflhgkxevkpdkl vlk ivfptf hoppfckhgl holck hoarpflxgl df tfztox rporgox

    df fxf lgyfc fxhockp= ck pfckhgl xfakltgflf kvl{vf xf fcgaglf ck gl!icvflhgk df otpkx ykpgk`cfx {vf tka!`gl gltfpygflfl fl ck hoarpflxgldf cox tfztox# tkcfx hoao cox holo!hgagfltox rpfygox xo`pf fc tfak# ckafaopgk df tpk`kno w ck hkrkhgdkdrkpk orfpkp hol akphkdopfx dgxhvp!xgyox, Fxtox pfxvctkdox dfavfxtpkl{vf ck fighkhgk dfc rpohfxkdop dfrkck`pkx lo fx kl rfpifhtk fl kc!evlox kcvalox kc hk`o df xfgx koxdf rphtghk w {vf fc lgyfc df fig!hkhgk kchkl~kdo dftfpaglk# fl epklafdgdk# ck jk`gcgdkd df hoarpfl!xgl df tfztox dfc krpfldg~,

    Vl kpevaflto hoarcfafltkpgofl ikyop df ck vtgcg~khgl tfarpk!lk dfc hdgeo kcik`tgho fx fc cckak!do fifhto Xkl Aktfo# hol fc {vfM, Xtkloyghj fzrcghk {vf ckx dgif!pflhgkx gldgygdvkcfx kc rpglhgrgo dfc

    krpfldg~knf df ck cfhtvpk xf khfltkl#fl yf~ df pfdvhgpxf# hol ck fxhock!pgdkd, Hoao fl ck rkp`ock ``cghkdf cox tkcfltox# cox `vflox cfhtopfxrpoepfxkl ax prgdo {vf cox ak!cox xgarcfafltf rop{vf cffl ax,Df fxtk iopak# cox krpfldghfx k cox{vf xf cfx ikhgcgtk ck kd{vgxghgldfc hdgeo kcik`tgho xf holygfptflrpolto fl cfhtopfx kvtloaox# w fxtkyfltknk# {vf cfx rfpagtf cffp afnopwk dfxdf fc glghgo# holxtgtvwf vlkrodfpoxk aotgykhgl rkpk cffp ax,Cox rpoepfxox kx kchkl~kdox cfx ykldgxtklhgkldo hkdk yf~ ax df coxkrpfldghfx {vf lo jkl pfhg`gdo ckkwvdk lfhfxkpgk rkpk doaglkp fchdgeo kcik`tgho,

    Dgighvctkdfx rkpk krpfldfp k cffpCk pfckhgl fxtpfhjk fltpf holhgfl!hgk ioloceghk w cfhtvpk xf pficfnkfl {vf ck rpgafpk holxtgtvwf fc af!nop rpfdghtop {vf xf holohf dfc zgtofl ck xfevldk, Kdfax# dgxrolfaoxdf k`vldkltfx dktox farpghox {vfdfavfxtpkl {vf kcevlox lgox gl!

    tfcgefltfx# hkrkhfx df pfkcg~kp krpfl!dg~knfx hoarcfnox# df kpgtatghk ropfnfarco# tgflfl dgighvctkdfx xfpgkxrkpk krpfldfp k cffp# co {vf df!avfxtpk {vf ck gltfcgeflhgk lo holx!tgtvwf vlk ekpkltk df zgto fl fckrpfldg~knf df ck cfhtvpk, Fxtox dk!tox xvegfpfl {vf krpfldfp k cffp fxkceo rkptghvckp# {vf pf{vgfpf hkrk!hgdkdfx fxrfhighkx gllfhfxkpgkx rkpkotpox krpfldg~knfx= kdfax# todo rk!pfhf gldghkp {vf fxtkx hkrkhgdkdfxxol df lktvpkcf~k ioloceghk,

    GLYFXTGEKHGL W HGFLHGK# flfpo# 0226 ;;

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    Ck dfiglghgl hcxghk df ck dgxcf!zgk holxgdfpk fxtk dfighgflhgk hoaovlk dgighvctkd fxrfhighk dfc rpohf!xkagflto df ck cflevk fxhpgtk# fx df!hgp# {vf ohvppf fl kvxflhgk df rpo!`cfakx hol ck cflevk opkc, Fxtklohgl fpk hoarktg`cf# fl rpglhgrgo#hol ck gdfk df {vf cox dgxczghoxflholtpkpkl rpo`cfakx fl ck kd!{vgxghgl df ck holhgflhgk ioloc!eghk# rfpo lo tfldpkl rpo`cfakx io!loceghox df `kxf {vf dgighvctfl ckrfphfrhgl w rpodvhhgl dfc jk`ck,Jow xf khvavckl dktox holyfpefl!tfx {vf avfxtpkl {vf cox dgxczghoxtka`gl tgflfl dfighgflhgkx ioloc!eghkx xvtgcfx fl fc rpohfxkagflto dfcjk`ck# xg gfl fxtkx dfighgflhgkx xcokrkpfhfl fl holdghgolfx fzrfpg!afltkcfx rkptghvckpfx ax fzgefl!tfx {vf ckx lktvpkcfx df kvdghgl,

    Tka`gl fx dfighgfltf fl cox dgxc!zghox ck afaopgk df tpk`kno `kxkdkfl ck iolocoek# {vf rfpagtf gltf!epkp ckx rkck`pkx fl ipkxfx, Fxtk df!ighgflhgk xf aklgigfxtk ax k ckx hck!pkx fl fc rpohfxkagflto df ck cflevkfxhpgtk {vf fl fc dfc jk`ck# rop{vfck rpgafpk pfrpfxfltk vlk hkpek dfafaopgk xvrfpgop k ck xfevldk# fx!rfhgkcafltf hvkldo cox rpohfxoxdf gdfltgighkhgl df ckx rkck`pkxfxhpgtkx lo jkl xgdo kvtoaktg~kdox#hoao fx fc hkxo df cox dgxczghox,

    Pfxrkcdkl ck fzrcghkhgl df ck dgx!cfzgk fl hvklto dfighgflhgk iolo!ceghk eflfpkc *w lo fzhcvxgykafltfcgekdk k ck cfhtvpk' kcevlkx tkpfkxholhf`gdkx rkpk fykcvkp ck khhfxg!`gcgdkd df ckx pfrpfxfltkhgolfx io!loceghkx dfc jk`ck, Xf jk dfaox!tpkdo# rop fnfarco# {vf cox dgxczghoxxol ax cfltox {vf cox cfhtopfx lop!akcfx fl tkpfkx holxgxtfltfx fl loa!`pkp gaeflfx# kx hoao fl tkpfkxdf icvgdf~ yfp`kc fl ckx {vf xf cfxrgdf {vf dgekl tkltox loa`pfx hoaorvfdkl# rfptflfhgfltfx k vl hkaroxfaltgho dftfpaglkdo *rop fnfa!rco# loa`pfx df klgakcfx'# fl vltgfaro cgagtkdo,

    Df holiopagdkd hol fxtk hol!hfrhgl df ck dgxcfzgk# xf jk ro!dgdo dfaoxtpkp kxgagxao {vf fl!tpflkp ck holhgflhgk ioloceghk df

    cox lgox {vf rpfxfltkl dgighvctk!dfx df krpfldg~knf df ck cfhtvpk rpo!dvhf `flfighgox krpfhgk`cfx,

    Ckx dgighvctkdfx df cox dgxczg!hox pfcktgykx k ck holhgflhgk io!loceghk w# holxfhvfltfafltf# k ckcfhtvpk xfpkl fc pfxvctkdo df fxtkdfighgflhgk ioloceghk ax `xghkhvwk fzgxtflhgk rvfdf o`xfpykpxfgldfrfldgfltfafltf df ck khtgygdkdcfhtopk, Kx# fl vlk xohgfdkd xgl fx!hpgtvpk xf rodpk xfp dgxczghoxgl xk`fpco,

    Krpfldfp k cffp fl fxrkoc@vflk rkptf df cox pfxvctkdox fzk!aglkdox jkxtk kjopk xf jkl o`tf!lgdo hol fc glecx# rop co {vf hk`frpfevltkplox xg rvfdfl xfp tpkxck!dkdox# xgl ax# k otpkx cflevkx wfl rkptghvckp kc hkxtfccklo# hvwk fx!hpgtvpk pficfnk df aklfpk ax igfcck iolocoek,

    Cox xgxtfakx df fxhpgtvpk hol op!toepkik kcik`tghk rvfdfl hckxgig!hkpxf fl xvrfpighgkcfx w rpoivldox#xfel pfxrftfl fl akwop o aflopepkdo ck holxgxtflhgk df ckx hoppfx!roldflhgkx fltpf epkifakx w iolf!akx# fxto fx# {vf k hkdk iolfak cfhoppfxroldk vl lgho w fxrfhighoepkifak, Fltpf cox rpgafpox# tka!`gl dfloaglkdox tpklxrkpfltfx# xfflhvfltpkl fc fxrkoc# fc kcfal wvlkx hvkltkx cflevkx ax {vf ro!xffl xgxtfakx ioloceghkafltf hol!

    xgxtfltfx, Cox xgxtfakx rpoivldox vorkhox rpfxfltkl fl akwop o af!lop afdgdk gppfevckpgdkdfx fl ckxhoppfxroldflhgkx ioloceghkx df`gdofl rkptf k {vf tka`gl pfrpfxfltklvlgdkdfx aopioceghkx= fx fc hkxodfc glecx w fc ipklhx# rop fnfa!rco, Kx# fl glecx# fc rkxkdo dfcox yfp`ox pfevckpfx xf fxhpg`f kepf!ekldo fd kc gliglgtgyo *to ukcm]hkaglkpQ ! ukcmfd ]hkaglk`kQ'# rfpofxtk tfpaglkhgl rvfdf rpolvlhgkpxfdf tpfx iopakx dgifpfltfx> /t/# /d/ f/gd/# co {vf hpfk vlk gppfevckpgdkdfl ck tpkdvhhgl ioloceghk kc akl!tflfpxf ck tfpaglkhgl optoepighkigfc k ck aopiocoek yfp`kc, Hvkldock iolocoek w ck aopiocoek fxtlfl holtpkdghhgl# hoao fl fxtf hkxo#fc glecx tgfldf k xkhpgighkp ck rpg!afpk fl `flfighgo df ck xfevldk,Kx rop fnfarco ck k df lktvpfxf rpolvlhgk /fg/ agfltpkx {vf ckagxak cftpk fl lktvpkc xf rpo!lvlhgk //, Fxtk ikctk df pfevckpg!dkd fl fc rcklo iolocegho *ck agxakcftpk pfrpfxfltkldo iolfakx dgif!

    pfltfx' rpfxfpyk fc rkpfltfxho aop!iocegho fltpf ckx rkck`pkx lktvpfw lktvpkc, Fl fxrkoc# rop fc hol!tpkpgo# lox toakaox `kxtkltfx axcg`fptkdfx hol ck aopiocoek rkpkrpfxfpykp ck iolocoek *rop fnfarcofc agxao pkdghkc co fxhpg`gaox hole fl rpotfefp w hol n fl rpo!tfno# hol ~ fl hk~k w hol hfl hkhfpk',

    Kdfax# vlk dgifpflhgk lotk`cffltpf ck iolocoek dfc glecx w ckdfc fxrkoc# {vf tgflf holxfhvfl!

    ;0 GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

    TGLKUFXT

    4, FL FC AFTODO IOLGHO xf flxfk dgpfhtkafltf k kxohgkp cftpkx w xolgdox, Actgrcfxfxtvdgox rkpfhfl dfaoxtpkp {vf# glhcvxo fl glecx# xtf fx vl rkxo lfhfxkpgo,

  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

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    hgkx garoptkltfx fl fc lgyfc op!toepigho# fx ck dgxtgltk pg{vf~k dfcox xgxtfakx yohcghox df fxtkx cfl!evkx, Fc glecx tgflf ax df vlkdfhflk df iolfakx yohcghox w xcovtgcg~k ckx cftpkx k# f# g# o# v hc!xghkafltf dfxtglkdkx k ck pfrpf!xfltkhgl df yohkcfx, Fcco jkhf {vffxtkx cftpkx# xockx o hoa`glkdkx#tflekl {vf hvarcgp ivlhgolfx ac!tgrcfx w# hoao pfxvctkdo# {vf xfrpodv~hkl glholxgxtflhgkx, Rop fcholtpkpgo# fc fxrkoc xco roxffhglho iolfakx yohcghox w fxto cfrfpagtf fxtk`cfhfp vlk pfckhgl`gvlyohk fltpf iolfakx w cftpkx*k fzhfrhgl dfc epkifak w# holfc {vf k yfhfx xf pfrpfxfltk kc io!lfak /g/',

    Fx gltfpfxkltf kepfekp {vf fxtk xg!tvkhgl tgflf glhgdflhgk fl ck fl!xfkl~k dfc hdgeo kcik`tgho# dkdo

    {vf ckx yohkcfx xf rpfxtkl afnop {vfckx holxolkltfx rkpk kd{vgpgp hol!hgflhgk iolaghk, Fc aotgyo fx {vfckx rpgafpkx tgflfl vlk dvpkhgl ak!wop w rvfdfl rpolvlhgkpxf kgxckdk!afltf *xf cf rvfdf fzrcghkp kc krpfl!dg~ {vf /rkl/ tgflf vlk /kkkkk/ rfpoxfp dgihgc {vf fltgfldk {vf tka!`gl tgflf vlk /r/# garoxg`cf df rpo!lvlhgkp xg lo fx kepfekldo vlk yo!hkc o df aklfpk dgxtopxgolkdk', Kxrvfx# fc fxtk`cfhgagflto df ck pfck!hgl fltpf cox iolfakx w ckx cftpkxhoppfxroldgfltfx xf yf ikhgcgtkdo xgxf hoagfl~k rop ckx yohkcfx# w xfrvfdf fxrfpkp {vf fxtf rpgafp rkxokwvdf kc lgo k ck jopk df eflfpk!cg~kp fc hdgeo k ckx holxolkltfx,Ck xgtvkhgl fx roho ikyopk`cf flglecx rop{vf# xg `gfl ckx yohkcfxrvfdfl xfp kgxckdkx hoao fl fxrkoc#ck pfckhgl `kxtkltf ax hoarcfnk{vf fzgxtf fltpf fcckx w ckx cftpkx{vf ckx pfrpfxfltkl jkhf {vf fc ro!tflhgkc dgdhtgho df ckx yohkcfx df!xkrkpf~hk, Rop otpk rkptf# kvl{vfck optoepkik dfc glecx xfk `kxtkltf

    ax hojfpfltf fl co {vf pfxrfhtk kckx holxolkltfx# lo rvfdf fcvdgpxffc rpo`cfak df {vf hvfxtk ax kgx!ckp xtkx,

    Ck holhcvxgl df fxtf klcgxgx fx{vf ck kd{vgxghgl dfc hdgeo kc!ik`tgho tgflf {vf xfp ax ihgc flfxrkoc {vf fl glecx rop{vf fl fx!rkoc fx ax holxgxtfltf, Kjopk`gfl# xg fc hdgeo kcik`tgho jk df!aoxtpkdo xv fighgflhgk fl glecx krfxkp df xv pfcktgyk ikctk df rpo!dvhtgygdkd# xf rvfdf fxrfpkp# fl hol!

    xfhvflhgk# {vf fl xgxtfakx xvrfpig!hgkcfx o tpklxrkpfltfx hoao fl fc fx!rkoc fxtf hdgeo xfk k ioptgopgax fighgfltf,

    Fl fxtk clfk# cox tpk`knox hoa!rkpktgyox fltpf xgxtfakx optoepighoxdgifpfltfx gldghkl {vf ck kd{vgxghgldf ck cfhtvpk fx ax prgdk fl vlxgxtfak tpklxrkpfltf, Rop fnfarco#J, Ugaafp w V, Eoxukag jkl df!aoxtpkdo {vf ck cfhtvpk df cox loa!`pfx df cox lafpox fl glecx *vlkcgxtk hoao tjpff# tuo# fgejt# fth,' fxcfltk w kl rckltfk rpo`cfakx k fx!hockpfx df tfphfp ko, Fl kcfal*xgxtfak tpklxrkpfltf'# rop fc hol!tpkpgo# fxtk jk`gcgdkd fxt `gfl fxtk!`cfhgdk k iglfx dfc rpgafp ko dffxhvfck# fx dfhgp# ax df dox koxkltfx {vf fl glecx, Ck dgifpflhgkfltpf cox dox xgxtfakx fx df`gdk kck dgxtgltk hoarcfngdkd dfc hdgeo w

    lo# rop fnfarco# k rpo`cfakx df rpo!lvlhgkhgl {vf glicvwfpkl fl coxpfxvctkdox, Rkpk holtpockp fxtf w#fyfltvkcafltf# otpox ikhtopfx lo rfp!tglfltfx cox lgox {vf rkptghgrkpolfl fc fzrfpgaflto tflkl {vf cffptka`gl ckx hgipkx hoppfxroldgfltfx*8# 0# :# fth,'# co {vf rolk k klec!iolox w efpakliolox fl ckx agx!akx holdghgolfx, Fxtk xgtvkhgl fz!rfpgafltkc lo dgo cvekp k dgifpflhgkxfltpf cflevkx= xf avfxtpk kx {vf ckpkrgdf~ df krpfldg~knf fxt cgekdk kck akwop o aflop tpklxrkpflhgk dfchdgeo iolocegho,

    Lvfxtpox rporgox tpk`knox# hoa!rkpkldo ck pkrgdf~ df ck kd{vgxg!hgl df ck optoepkik czghk flipklhx *xgxtfak rpoivldo' w fl fx!rkoc# holigpakl co o`xfpykdo flck cfhtvpk, Dghjox tpk`knox tgflflfl hvfltk fc jfhjo df {vf ck opto!epkik dfc fxrkoc# k rfxkp df xvhkphtfp eco`kcafltf tpklxrkpfltf#tgflf vl lafpo pfcktgykafltf ga!roptkltf df glhojfpflhgkx {vf hkv!xkl dgighvctkdfx fl ck fxhpgtvpk,

    Rop fnfarco# ckx xck`kx /zf/!/zg/xf rvfdfl fxhpg`gp hol e o holn= ck j glghgkc fx avdk w ropholxgevgfltf lo rvfdf xfp dfdvhgdkdf ck iolocoek, Fxtkx glhojfpfl!hgkx xol fxtpghtkafltf gdltghkx flckx dox cflevkx hoarkpkdkx> fxhpg!`gp hocfe_go# w jk`gtkhgl fl fx!rkoc w hocce_f o jk`gtktgolfl ipklhx dfrfldf df ck roxfxgldf vlk pfrpfxfltkhgl afaopg~kdkdf fxtkx rkck`pkx fl fc czgho op!toepigho# co {vf k xv yf~ fxt fl

    ivlhgl df ck ipfhvflhgk hol ck{vf k{vfcckx rkck`pkx jkwkl xgdoflholtpkdkx fl cox tfztox cfdox ropcox lgox, Cox pfxvctkdox avfxtpkl{vf avhjkx df fxtkx rkck`pkx wkxol ikagcgkpfx# w rop tklto fxhpgtkxhoppfhtkafltf rop cox krpfldghfx#kc hk`o df rohox afxfx df fxhock!pgdkd hol atodox ilghox fl fx!rkoc# w {vf jkw {vf fxrfpkp axdf vl ko rkpk o`xfpykpco fl ipkl!hx, Tkc pfxvctkdo fx fl hgfpto ao!do rkpkdngho# xg xf rgflxk {vf fchdgeo iolocegho fx holxgdfpk!`cfafltf ax fighgfltf fl fxrkoc{vf fl ipklhx# co {vf rodpk ccf!ykp kc cfhtop jgxrklojk`ckltf k `k!xkpxf fzhcvxgykafltf fl fc hdgeow lo dkpcf garoptklhgk k ck fxhpg!tvpk cfzghkc# hvkltgtktgykafltf af!lox garoptkltf {vf fl ipklhx,Rkpfhf# rop tklto# {vf fc czgho op!

    toepigho xf dfxkppocck ax prgdofl fxrkoc {vf fl ipklhx w ck yfl!tknk df cox jgxrklojk`ckltfx# hoa!rkpkdox hol cox ipklhiolox# rpo!ygflf rpo`k`cfafltf df {vf coxrpgafpox krpfldfl k cffp ax rpolto{vf cox xfevldox w cox lgox {vf cfflkltfx rvfdfl cffp ax w fc afhk!lgxao df kvtokrpfldg~knf dfxkppo!cck ck cfhtvpk w ck optoepkik cfzg!hkc hol ax pkrgdf~,

    Ck holhcvxgl df cox tpk`knox hoa!rkpktgyox gldghk {vf dgxrolfp prg!dkafltf df vl hdgeo ioloceghofighk~ dfxfarfk vl rkrfc roxgtgyofl fc rpohfxo df krpfldg~knf df ckcfhtvpk w ck fxhpgtvpk, Kjopk `gfl#cox tpk`knox pfkcg~kdox rkpk hoark!pkp atodox df flxfkl~k df ck cfh!tvpk fl glecx holhcvwfl {vf fl!xfkp fc hdgeo iolocegho ikyopfhffc krpfldg~knf k rfxkp df {vf fc h!dgeo lo xfk avw rpodvhtgyo, Rkpfhfroho pk~olk`cf rflxkp {vf flxfkpfc hdgeo iolocegho fl xgxtfakx op!toepighox hoao fc dfc fxrkoc o fckcfal# fl cox hvkcfx fx xvakafl!

    tf fighgfltf# rvfdk tflfp vl fifhtolfektgyo, Rop fc holtpkpgo# fc pk~olk!agflto `kxkdo fl ck gdfk df kvto!krpfldg~knf *k cffp xf krpfldf cf!wfldo' xvegfpf {vf hvklto kltfx fclgo xfk hkrk~ df cffp df aklfpkkvtloak tfldp akwop yfltknk# w{vf rporophgolkpcf ck hckyf dfc h!dgeo# xo`pf todo hvkldo xtf fx fig!hk~# yk k holtpg`vgp k jkhfp df cvl cfhtop kvtloao w kx xv rporgorpoifxop, Xg xf rvfdf fltfldfp {vfcox rfdkeoeox df ck cfhtvpk fl glecx

    GLYFXTGEKHGL W HGFLHGK# flfpo# 0226 ;8

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    xf jkwkl rckltfkdo fc rpo!`cfak df dfhgdgp hvldo fz!rolfp kc lgo k vl xgxtfakdf pfeckx hoarcfno w rohorpodvhtgyo# rkpfhf ax dgi!hgc fltfldfp {vf ckx cflevkx{vf roxffl vl xgxtfak tpklx!rkpfltf lo xf krpoyfhjfl dfxv ioptvlk,

    Vlk doxgighkhgl kpalghkVlk doxgighkhgl kpalghk dfglepfdgfltfx df opgefl ho!avlghktgyo w df opgefl i!lgho lox rkpfhf gldgxrflxk!`cf rkpk kipoltkp fc rpoepkakegekltfxho df flxfkp k cffpk todox cox lgox, Lglel a!todo fzhcvwfltf rvfdf rpf!tfldfp hv`pgp ck totkcgdkd dfcrpowfhto, Hkdk vlk df ckx ik!agcgkx df atodox xf hfltpk

    fl kxrfhtox fxrfhighox f ga!roptkltfx, Ck xfdvhhgl {vffnfphf fc cflevknf gltfepkdofl fc afdgo fdvhktgyo fx hoa!rpflxg`cf w cfetgak, Hoppfx!roldf k vlk igcoxoik df ck flxfkl!~k fl ck hvkc xf cf dk kc krpfldg~vl rkrfc khtgyo w kc akfxtpo vlkxflxg`gcgdkd kevdk k cox xgelox {vfgldghkl dldf xf xgtk fzkhtkafltffc kcvalo,

    Fx k yfhfx dgihgc fltfldfp ck o`x!tglkhgl df kcevlox dfiflxopfx dfccflevknf gltfepkdo holtpk ck iolo!coek, Ck iolocoek fx vl kxrfhtodf ck cflevk# hoao ck xgltkzgx w ckxfaltghk# w hoao tkc# iopak rkptfdf ckx kd{vgxghgolfx {vf fc lgo tgflf{vf pfkcg~kp rkpk fck`opkp vlk hol!hfrhgl kdfhvkdk df co fxhpgto, Jkw{vf xfkckp {vf ck iolocoek fx fcfcfaflto fxrfhigho ivldkafltkc dfck cflevk fxhpgtk# rvfxto {vf fxtik`pghkdk hol cftpkx {vf pfrpfxfl!tkl cox iolfakx, Ck kxgagckhgl rpo!epfxgyk df co fxhpgto# k ck {vf fc lgoxf fltpfek fl vl holtfzto fdvhktgyo

    holxtpvhtgygxtk# yk k ccfykpco k rckl!tfkpxf {v pfrpfxfltkl ckx cftpkx wkj fc rpoifxop xflxg`cf {vf co khoa!rkk yk k tflfp {vf kwvdkpco k hoa!rpfldfp fc hdgeo kcik`tgho# vlkdf ckx pfkcg~khgolfx akelkx df ckhgygcg~khgl, Xf rvfdf kdgyglkp {vfck kyfpxgl {vf fnfphf ck iolocoekfl kcevlox afdgox fdvhktgyox rpo!ygflf df ikltkxakx hoao fc df gak!eglkp kc rpoifxop hol xvx kcvaloxhkltkldo vl cvlfx rop ck akklk>ck cf cg co cv# lk lf lg lo lv# tk tf

    tg,,,, Cox tpk`knox xo`pf ck toak dfholhgflhgk df ck fxtpvhtvpk ioloc!eghk df ck cflevk lo tgflfl epkl hoxk{vf yfp hol fxtkx hklhgolfx,

    Rkpk holhcvgp# vl rvlto lox rk!pfhf fxflhgkc, Ck hoarpflxgl dfchdgeo kcik`tgho fx gldgxrflxk`cfkc hoagfl~o dfc krpfldg~knf w fclgo tgflf {vf xfp kwvdkdo fl fxtktkpfk, Kjopk `gfl# ck aklfpk df kwv!dkpco rvfdf toakp iopakx dgyfpxkxw dfnk vlk cg`fptkd holxgdfpk`cf kc

    akfxtpo {vf jkwk fltfldgdorop {v fx gldgxrflxk`cf xvkvzgcgo, Xf rodpk glhopro!pkp ck igcoxoik dfc cflevknfgltfepkdo xgl lglevlk dgig!hvctkd holhfrtvkc, @kxtkpkhol {vf cox dfiflxopfx fz!tpfaox df fxtf atodo tv!ygfpkl fl hvfltk ckx holxo!

    cgdkdkx holhcvxgolfx df coxfxtvdgox fzrfpgafltkcfx *wk`kldolkpkl xv agcgtklhgk',

    Vl rpoepkak df flxfkl~kdf ck cfhtvpk df`f ccfykp kc

    lgo kc rvlto doldf rvfdk dfdghkptodox xvx pfhvpxox gltfcfhtvkcfx khoarpfldfp fc xfltgdo dfc tfzto {vffxt cfwfldo, Todk ck fxhockpgdkdfxt dfxtglkdk k {vf cox kcvalox ccf!evfl k cffp df aklfpk gltfcgefltf,Ck kpaolk k ck {vf kxrgpkaox rodpkxfp fltfldgdk hol vlk aftiopk av!xghkc> vlk thlghk gppfrpohjk`cf kcxfpyghgo df ck avxghkcgdkd, Fxtk c!tgak fx co lgho {vf garoptk# rfpofx glkchkl~k`cf xgl ck rpgafpk,

    ;4 GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

    Nfxx Kcfepk Gxhok# Akpgxoc Hkppgcco Ekccfeo w Fagcgo Xlhjf~ Agevfc glyfxtgeklcox rpohfxox rxghocglextghox {vf gltfpygflfl fl ck kd{vgxghgl df ck cfhtvpk w fzrcg!hkl ckx dgighvctkdfx fl fxtf krpfldg~knf, Kcfepk fx rpoifxop df rxghocglextghk fl fcCk`opktopgo df Rxghocoek Fzrfpgafltkc df ck Vlgyfpxgdkd Cg`pf df @pvxfckx, Hkppgccoflxfk rxghocoek df ck cfhtvpk fl fc dfrkptkaflto df Rxghocoek Fyocvtgyk w df ckFdvhkhgl df ck Vlgyfpxgdkd df Avphgk, Fagcgo Xlhjf~ xf jkcck kdxhpgto kc dfrkptk!

    aflto df Rxghocoek Fyocvtgyk w df ck Fdvhkhgl df ck Vlgyfpxgdkd df Xkckaklhk,

    ROP VL FLIO[VF RXGHOCGLEXTGHO DFC KRPFLDG KNF DF CK CF HT VP K W X VX DGIGHVCTKDFX, NfxxKcfepk# fl Gliklhgk w Krpfld g~knf # l,o 07= ;7:6,

    CFLEVKNF GLTFEPKDO, Hoopdglkdo rop Rk`co dfc Po w Rgckp Ckhkxk# fl Hoavlghkhgl# Cfl!evknf w Fdvhkhgl# l,o 06= ;776, Ykxf tka`gl ck prcghk *df Fagcgo Xlhjf~' w hol!tpk!prcghk *df Rgckp Ckhkxk' fl Hvctvpk w Fdvhkhgl# l,o ;= ;779,

    RXGHOCGLEXTGHK DFC FXRKOC, Hoargckhgl pfkcg~kdk rop Aklvfc df Yfek w IfplkldoHvftox, Fdgtopgkc Tpottk# ;777,

    FL XF KP K CFFP, Akpk Hcfafltf, Fdgtopgkc Rgpagdf# 022;,

    Cox kvtopfx

    @g`cgoepkik hoarcfafltkpgk

    6, CKX KHTGYGDKDFX {vf ikhgcg!tkl kc krpfldg~ fc fxtk`cfhgagfltodf hoppfxroldflhgkx fltpf rkptfxdf ckx rkck`pkx jk`ckdkx *xck`kxw iolfakx' w rkptfx df ckx rkck!`pkx fxhpgtkx *vlgdkdfx optoepig!hkx df tkako xgc`gho w epkif!akx xgarcfx'# xol ivldkafltkcfx

    rkpk fc krpfldg~knf dfc hdgeo kc!ik`tgho,

    NFXVXKCFEPGK#AKPGXOCHKPPGCCO

    WFAGCGOXKLHJF^

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    L

    o fzgxtf fc fxrkhgo ykho, Lkdk xf khfphkax kc ykho {vf ckx dfxgfptkx fztflxgolfxfltpf ckx fxtpfcckx w ckx ekckzgkx, W xglfa`kpeo# glhcvxo fc ax pfaoto rkpknf dfcvlgyfpxo fxt glvldkdo df ekx, Df avw `knk

    dflxgdkd# fxo x= w hvklto ax cfnox fxtdf ckx ekckzgkx# ax flpkpfhgdo xf jkcckp, Hkdk hflt!aftpo h`gho df kgpf holtgflf vlox 6 ;2;7 toaox= fcafdgo gltfpekchtgho# ;29# hoao xg hkdk toao jk`g!tkxf fl vl hv`o rpgykdo df vl aftpo df ckdo, Rfpo lodf`f dfdvhgpxf {vf fltpf ckx ekckzgkx fxhkxfk ck ak!tfpgk, Fc yocvafl dfc fxrkhgo {vf ckx xfrkpk fx glaflxo=ck xvak df ck akxk {vf flhgfppk xf kegekltk fl ck agxakfxhkck, Rvfdf {vf ck akxk ktaghk dfc ekx gltfpekch!tgho xo`pfrkxf ck akxk ktaghk hoa`glkdk df ckx fx!tpfcckx w ekckzgkx dfc vlgyfpxo fl vl 62 rop hgflto,

    K afdgdk {vf cox hoxacoeox ykl oipfhgfldo lvf!ykx fzroxghgolfx df ck fyocvhgl dfc vlgyfpxo dfxdfxvx hoagfl~ox ck epkl fzrcoxgl jkxtk fc aoafl!to khtvkc# pfxvctk hkdk yf~ ax rktfltf {vf# agfltpkxlo hoarpfldkaox ck ixghk df ck aktfpgk gltfpekch!tghk# lo xk`pfaox hao xf iopakpol ckx ekckzgkx# ckxfxtpfcckx w cox rcklftkx, Epkhgkx k cox prgdox kyklhfxdf cox tfcfxhorgox w df ck rotflhgk df cox opdflkdo!pfx# jfaox fxtvdgkdo fl cox ctgaox dgf~ kox ckx rpo!ivldgdkdfx dfc fxrkhgo gltfpekchtgho hol vl dftkccfxgl rpfhfdfltfx, Lvfxtpo holohgagflto dfc lkhgagfltow fyocvhgl df ckx epkldfx fxtpvhtvpkx dfc vlgyfpxo jkeklkdo avhjo hol fcco,

    Fl fc ponoFc ekx gltfpekchtgho fx tkl tflvf w oxhvpo rop x

    agxao# lo rpodvhf cv~# {vf hk`f rpfevltkpxf haoxf ckx gleflgkl cox kxtploaox rkpk o`xfpykpco, Ck df!tfhhgl fx gldgpfhtk= xf `kxk fl klkcg~kp xv fifhto flck cv~ rpohfdfltf df ckx ivfltfx ax cfnklkx, Ckx axhoavlfx fl fxtf tgro df o`xfpykhgolfx xol cox hvxk!pfx# vl tgro rkptghvckp df ekckzgk hol vl kevnfpo lf!epo df akxk avw fcfykdk fl xv hfltpo, Fc ekx {vf po!dfk kc kevnfpo fagtf vlk pkdgkhgl gltflxk {vf# holipfhvflhgk# ccfek k hfltvrcghkp# k yfhfx hol hpfhfx# fc`pgcco df ck rporgk ekckzgk, Rvfxto {vf cox hvxkpfx xoltkl cvagloxox# rodfaox o`xfpykpcox k epkldfx dgxtkl!hgkx w afdgp cox fifhtox dfc ekx gltfpekchtgho fl xvcv~ k co ckpeo dfc vlgyfpxo,

    Pfhoefaox cox iotolfx rpohfdfltfx df fxtox ikpoxhol cox tfcfxhorgox ax rodfpoxox# w cox opdflkaoxfl cox fxrfhtpox holiopaf k xv colegtvd df oldk *ykxfck igevpk 4', Fc pkxeo ax hkpkhtfpxtgho df cox fxrfh!tpox fx vlk clfk df fagxgl# rpodvhgdk rop cox to!

    aox df jgdpeflo hfphk dfc kevnfpo lfepo dfc hvxkp,Cox fcfhtpolfx df fxtox toaox fxtl fzhgtkdox k vllgyfc hvltgho ax kcto {vf xv fxtkdo ivldkafltkc,Hvkldo pfepfxkl k xtf# fagtfl iotolfx df vlk dftfp!aglkdk colegtvd df oldk# ;0;#6952; lklaftpox= fxkfagxgl pfhg`f fc loa`pf df tpklxghgl Cwakl!,Xgl fa`kpeo# o`xfpykaox ck clfk k vlk colegtvd dfoldk avhjo akwop# k 692 lklaftpox, Xf df`f k {vffc hvxkp xf kcfnk df loxotpox hoao rkptf df ck fzrkl!xgl dfc vlgyfpxo, Ck fzrklxgl jkhf {vf cox o`nftoxax dgxtkltfx df loxotpox xf ykwkl kcfnkldo rporop!hgolkcafltf ax dfrpgxk {vf cox ax hfphklox, K af!dgdk {vf vl o`nfto xf kcfnk# ck cv~ {vf fagtf xf dfx!rck~k k akwopfx colegtvdfx df oldk= fxtf iflaflorvfdf hoarkpkpxf fc fifhto Dorrcfp# {vf `knk fc tolodfc rgtgdo df vl tpfl {vf xf kcfnk, K fxf kvaflto dfck colegtvd df oldk xf cf cckak hoppgagflto kc ponorop{vf cox o`nftox hxaghox ax cfnklox krkpfhfl xgfa!rpf ax ponox,

    Rflxfaox kjopk fl {v cf ohvppf k ck cv~ dfc hv!xkp hvkldo ktpkygfxk fc afdgo gltfpekchtgho, K af!dgdk {vf kykl~k jkhgk ck Tgfppk# kcevlox df xvx ioto!lfx xf flholtpkpl hol toaox df jgdpeflo rop fchkaglo, K{vfccox {vf# tpkx jk`fp pfhoppgdo fc fxrkhgofl fzrklxgl fltpf fc hvxkp w cox toaox# rpfxfltflvlk colegtvd df oldk df ;0;#6952; lklaftpox# xfplk`xop`gdox rop cox toaox# {vf rkxkpl k tflfp fcfh!

    tpolfx fl vl fxtkdo fzhgtkdo, Hvkldo cox fcfhtpolfxpfepfxfl kc fxtkdo ivldkafltkc fagtgpl lvfyox ioto!lfx# rfpo fl dgpfhhgolfx kp`gtpkpgkx# {vf lo tfldplrop {v krvltkp jkhgk ck Tgfppk *ykxf ck igevpk 0',Rop co tklto# ck lv`f df toaox df jgdpeflo k`xop`fck cv~ fl vlk colegtvd df oldk avw fxrfhighk w ckdgxrfpxk fighgfltfafltf, Fxtf fifhto xf aklgigfxtk hoaovlk avfxhk fl fc fxrfhtpo,

    Fc afdgo gltfpekchtgho holtgflf avhjkx lv`fx dfjgdpeflo xgtvkdkx k dgifpfltfx dgxtklhgkx df loxotpox,W rvfxto {vf fxkx lv`fx tgflfl dgxtgltox dfxrck~k!agfltox kc pono# fc fxrfhtpo df vl hvxkp fzjg`f av!hjkx clfkx df k`xophgl k dgifpfltfx colegtvdfx df oldk,

    Ck pfd hxaghkCkx o`xfpykhgolfx w ckx xgavckhgolfx dfc afdgo gltfpekchtgho

    dfxhv`pfl ckx akwopfx fxtpvhtvpkx dfc vlgyfpxo

    Po`fpt K, Xgahof

    ;9 GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

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    Ckx colegtvdfx df oldk aflopfx {vfck df ck clfk df fagxgl rkpfhfplhoagdkx# xfel xfk ck v`ghkhgldf hkdk lv`f fltpf fc hvxkp w lo!xotpox, Fl cox ctgaox kox# epkhgkxk cox lvfyox glxtpvafltox df coxepkldfx tfcfxhorgox# jfaox fzkag!lkdo cox fxrfhtpox df cox hvxkpfxhol pfxocvhgolfx avw iglkx w vlk gl!tflxgdkd df xfkc avw kctk hol pfx!rfhto kc lgyfc df pvgdo, Fxtox dktoxdgygdfl fc afdgo gltfpekchtgho fldgxtgltkx lv`fx gldgygdvkcfx,

    Vlk tfckpkk hxaghkHvkldo xf fxtvdgkpol rop rpgafpkyf~ ckx clfkx df k`xophgl df coxhvxkpfx# lo fxtk`k dfc todo hckpohao gltfprpftkpckx# xo`pf todo rop!{vf xf hkpfhk df cox dktox df epklhkcgdkd {vf jow tflfaox, Fltpfiglkcfx dfc dfhflgo df ;752 w rpgl!

    hgrgox dfc xgevgfltf# fc f{vgro df Ukc!ckhf Xkpeflt toa vlk xfpgf df af!dgdkx fl fc O`xfpyktopgo df AoltfRkcoakp {vf holyflhgfpol k ck ak!wopk df {vf ckx clfkx df k`xophglxf df`kl k ck aktfpgk gltfpekchtghk,Xgl fa`kpeo# jk`k `kxtkltfx ao!dfcox tfpghox hoarktg`cfx hol coxdktox dgxrolg`cfx= fl xv akwopk ktpg!`vkl ckx clfkx k havcox df lv!`fx df ekx xvfctkx# fxipghkx,

    Fl cox ctgaox kox# k cox kykl!hfx fl ckx thlghkx df o`xfpykhgl

    GLYFXTGEKHGL W HGFLHGK# flfpo# 0226 ;5

    PFLWVFHFL#VLGYFPXGDKD

    DFRPGLHFTOL/KafpghklXhgfltgxt

    ;, CKX XGAVCKHGOLFX LVAFPGHKXavfxtpkl ck dgxtpg`vhgl dfc ekx gltfpek!chtgho fl cox igckafltox *yfpdf' w ykhox*lfepo' df ck pfd hxaghk, Epkhgkx k ao!dfcg~khgolfx rop opdflkdop w k ckx o`xfp!ykhgolfx df cox tfcfxhorgox# xk`faox {vfck pfd hxaghk jk hka`gkdo df kxrfhto>vlk akdfnk df jf`pkx hvkldo fc vlgyfpxoholtk`k hol dox agc agccolfx df kox*kppg`k'# jow *k`kno'# tpklxhvppgdox dfxdffltolhfx hkxg dohf agc agccolfx df kox#

    rkpfhf ax epvaoxk, Fxf hka`go fx fcpfxvctkdo lktvpkc df ck ktpkhhgl epkygtk!topgk# {vf ivf hf`kldo hvkc{vgfp rf{vfokvaflto df dflxgdkd hol ax w ax ak!tfpgk, Ck hknk df ck xgavckhgl df kppg`ktgflf vlox 82 agccolfx df kox!cv~ dfckdo= ck df k`kno fx hvktpo yfhfx akwop*df`gdo k dohf agc agccolfx df kox dffzrklxgl hxaghk', Fl ckx fxhkckx dffxtk igevpk# ck Yk Chtfk krkpfhfpkhoao vlk aotk# hkxg garfphfrtg`cf# dfkrflkx vl agcaftpo df dgaftpo,

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    ;: GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

    xf jk xvakdo ck hpfhgfltf hkrkhg!dkd df cox aodfcox hoarvtkhgolk!cfx, Xv fnfhvhgl jk pf{vfpgdo lv!afpoxkx hock`opkhgolfx fltpf epvroxdf kxtploaox w afxfx df hchvcohol xvrfpopdflkdopfx, Fxtkx xgav!ckhgolfx gliopatghkx dgxfkl vlkhknk gakeglkpgk {vf k`kphk vl yo!cvafl pfrpfxfltktgyo dfc vlgyfpxo,

    Ck dgygdfl fl vlk pfd df hcvckxtpgdgaflxgolkcfx w dgxtpg`vwfl ropfcck ck aktfpgk, Fxf fxtkdo glghgkcxf ktgflf k ckx holdghgolfx dftfp!aglkdkx rop ckx o`xfpykhgolfx dfcvlgyfpxo tfarpklo, Tpkx gltpodvhgpfl fc aodfco cox rpohfxox ixghox{vf kifhtkl k ck fyocvhgl dfc af!dgo gltfpekchtgho# xf fnfhvtk ck xg!

    avckhgl> ck aktfpgk w ck flfpekicvwfl df hcvck k hcvck dfltpo dfck hknk# eo`fplkdkx xco rop ckx cf!wfx ixghkx, Fc pfxvctkdo iglkc ygflfk xfp vlk xvhfxgl df rcklox ignoxdf fxf ipkeaflto df vlgyfpxo# hkdkvlo df cox hvkcfx hoarpgaf ykpgoxagccolfx df kox df jgxtopgk hx!aghk, Fc rpoepkak fzkaglk ck dgx!tpg`vhgl df aktfpgk fl ck hknk rcklok rcklo# fx dfhgp# tpkx hkdk gltfp!ykco df tgfaro# w fykck ck ivfp~ktotkc {vf xf fnfphf xo`pf hkdk rkpt!hvck# rkpk dftfpaglkp jkhgk dldfxf aoyfp fl fc xgevgfltf rkxo, Kgltfpykcox pfevckpfx# fc opdflkdoppfegxtpk ck dflxgdkd dfc ekx fl fcafdgo gltfpekchtgho w hoarkpk coxpfxvctkdox hol ckx o`xfpykhgolfxpfkcfx df cox fxrfhtpox df cox hv!xkpfx, Kx# hoarpvf`k ck rpfhgxgldf cox aodfcox ixghox,

    Fifhtvkpol vlk df fxtkx xgavck!hgolfx Nfpfagkj Oxtpgmfp w PflwvfHfl# df ck Vlgyfpxgdkd df Rpglhftol,

    Vlo df xvx rcklox avfxtpk fcvlgyfpxo hvkldo tflk vl ;6 rophgflto df xv fdkd khtvkc# fx dfhgp#vlox dox agc agccolfx df kox, Fcpkxeo ax hkpkhtfpxtgho fx ck tfl!dflhgk dfc ekx k holdflxkpxf flvlk pfd df igckafltox {vf xf fl!tpfck~kl k tpkyx df glaflxox jvf!hox df `knk dflxgdkd, Todox cox lvf!yox aodfcox xglttghox fzjg`fl fxtftgro df fxtpvhtvpk= xf ck jk `kvtg!~kdo hol fc loa`pf df pfd# o tfck!pkk# hxaghk,

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    tpo ', Hvkldo fc fcfhtpl pfepfxk kc lgyfc ivldkafltkc *dfpfhjk'#xf fagtf vl iotl# rfpo fl vlk dgpfhhgl kcfktopgk {vf lo tgflfrop {v hoglhgdgp hol ck dgpfhhgl df ck Tgfppk, Fxto fzrcghk {vfckx lv`fx df ekx jgdpeflo dfc afdgo gltfpekchtgho df`gcgtfl ckcv~ df cox hvxkpfx cfnklox# rfxf k {vf fagtfl tkltox iotolfxhvkltox k`xop`fl,

    hvxkp

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    8, CK PFD HOXAGHK DF IGCKAFLTOX EKXFOXOX * kppg`k# yfpdf' dfc afdgo gltfpekch!tgho# kc gltfppvargp ck cv~ df vl hvxkp cfnklo kltfx df {vf kchklhf ck Tgfppk# rpodvhfckx clfkx df k`xophgl {vf xf o`xfpykl fl fc fxrfhtpo dfc hvxkp *k`kno', TO

    AD

    VLLF/KafpghklXhgfltgxt

  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

    21/99

    Rkpk hoarkpkp fxtk rpfdghhgl holckx o`xfpykhgolfx# xf eflfpkl ac!tgrcfx fxrfhtpox kptgighgkcfx df hv!xkpfx# tpk~kldo clfkx kcfktopgkx ktpkyx df ck hknk df ck xgavckhgl,Afdgkltf fc hchvco df ckx ykpgk!hgolfx df ck dflxgdkd df ekx k cockpeo df vlk clfk# xf hoarvtk ckhkltgdkd df k`xophgl {vf xf df!`fpk o`xfpykp fl vl fxrfhtpo to!akdo fl fxk clfk df ygxgl, Tkcrpohfdfp ygflf k xfp hoao xg vl o`!xfpykdop xf flholtpkpk fl vlk hkpkdf ck hknk w agdgfpk fc fxrfhtpo dfvl hvxkp xgto fl fc ckdo orvfxto,

    Dfxdf fc rvlto df ygxtk fxtkdx!tgho# cox fxrfhtpox df fxtf vlg!yfpxo kptgighgkc krflkx xg xf dgxtgl!evfl df cox fxrfhtpox pfkcfx df coxhvxkpfx, Cox aodfcox rpfdghfl holfzkhtgtvd fc lafpo df clfkx df k`!xophgl# ck dgxtpg`vhgl df xvx gl!

    tflxgdkdfx w klhjvpkx# w xv fyocv!hgl hol fc tgfaro, Fl co `xgho#cox aodfcox holigpakl cox rpohf!xox ixghox {vf doaglkl ck fyocv!hgl dfc vlgyfpxo k epkl fxhkck,

    HolhfltpkhgolfxCk thlghk lox jk ikhgcgtkdo cox af!dgox lfhfxkpgox rkpk o`xfpykp coxrkpknfx pfhldgtox dfc afdgo gltfp!ekchtgho f gltfprpftkp fxkx o`xfpyk!hgolfx fl fc holtfzto df vl aodfcohoxaocegho, Vlk yf~ {vf jfaoxdfxhpgto cox atodox# dfaox kjopkvl rkxo ktpx w fzkaglfaox fc ao!dfco fl x, Lkppfaox ck iopakhgldf ckx ekckzgkx w ck fxtpvhtvpk gl!tfpekchtghk,

    Ck jgxtopgk fargf~k jkhf axdf ;8,222 agccolfx df kox# vlox8:2,222 kox dfxrvx df ck epklfzrcoxgl= k{vfc vlgyfpxo dgyfpekavhjo dfc lvfxtpo, Lo jk`k lgfxtpfcckx# lg ekckzgkx# lg pfdfx# xcovlk xork vlgiopaf df rpotolfx wfcfhtpolfx cg`pfx, Ck dgxtpg`vhgldfc ekx fpk tkl joaoelfk# {vf

    xvx rghox df dflxgdkd dgifpkl flkrflkx vlk rkptf fl hgfl agc dfcrpoafdgo hxagho, Rfpo ccfe vlaoaflto fl {vf ck xork fyocvhgoljkhgk vl fxtkdo avw epvaoxo#doldf tgpkx dflxkx df ekckzgkx wekx xvphk`kl ckx ykxtkx fztflxgo!lfx df fxrkhgo, Jow dk# fc pkleodf dflxgdkdfx fx avhjxgao ak!wop> 80 pdflfx df akelgtvd ykldf ck dflxgdkd ktaghk dfc gltf!pgop dfc Xoc k ck dfc fxrkhgo gltfp!ekchtgho,

    Xf hpff {vf fxtk tpklxghgl df cojoaoelfo k co epvaoxo xf df`gk ck epkyfdkd, Gakeglfaox vlk hknkhol vlk dgxtpg`vhgl vlgiopaf dfaktfpgk tkc# {vf ck dflxgdkd df ckxrkpthvckx xfk holxtkltf, Xvrolek!aox {vf# fl vl rvlto df ck hknk#ckx rkpthvckx xf kegtkl rop kcevlkpk~l w xf rpodvhf vl cgefpo kvafl!to df dflxgdkd, Fxtk lvfyk holhfl!

    tpkhgl df aktfpgk fnfphfp vlk ivfp!~k epkygtktopgk {vf ktpkfp jkhgk xckx rkpthvckx hocgldkltfx, Ck ak!tfpgk rpfhgrgtkdk kvafltkp ck akxkdfc epvao# co {vf k xv yf~ glhpf!afltkp xv ktpkhhgl epkygtktopgk#hkfp ax aktfpgk w kx xvhfxgyk!afltf, Hol tgfaro xvighgfltf# fc rf!{vfo glhpfaflto df dflxgdkd opg!eglkc xf tpklxiopakp fl vl dflxo

    GLYFXTGEKHGL W HGFLHGK# flfpo# 0226 ;7

    4, FC FXRFHTPO GLTPGLXFHO df vl hvxkp *kppg`k' fzjg`f ck hkltgdkd df cv~ {vffagtg k dgifpfltfx colegtvdfx df oldk, Rpodvnfpol fc rgho hfltpkc cox toaox df jgdp!eflo# hol xv fagxgl df iotolfx df vlk colegtvd df oldk df ;0;#6952; lklaftpox,Pfhg`f fc loa`pf df clfk df fagxgl df Cwakl!, K{v krkpfhf fl 692 lklaftpoxrop{vf ck fzrklxgl dfc vlgyfpxo dfxrck~k ck cv~ k akwopfx colegtvdfx df oldk# dfxdffc vctpkygocftk jkhgk fc pono, K afdgdk {vf ck cv~ dfc hvxkp ktpkygfxk fc afdgo gltfp!ekchtgho# xtf yk aopdgfldo fc fxrfhtpo *hfltpo# `ox{vf df pkwkx k ck g~{vgfpdk dfc

    rgho'# rop{vf ckx lv`fx df jgdpeflo gltfprvfxtkx k`xop`fl ck cv~ cohkcafltf k ck col!egtvd df oldk df ;0;#6952; lklaftpox= rfpo hoao fxtkx k`xophgolfx ohvppfl k dgif!pfltfx dgxtklhgkx df ck Tgfppk# xf eflfpk fc `ox{vf df Cwakl!, Kcevlox fcfafltoxrfxkdox tka`gl k`xop`fl iotolfx k akwopfx colegtvdfx df oldk# kkdgfldo ckx rohkxclfkx df k`xophgl {vf xf o`xfpykl k ck dfpfhjk dfc rgho, Fl cox ctgaox kox# coxfxrfhtpox df kctk pfxocvhgl *k`kno' jkl rfpagtgdo fxtvdgkp lv`f k lv`f fc afdgo gltfp!

    ekchtgho,

    962

    68260:609604

    Colegtvd df oldk *lklaftpox'

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    TOAD

    VLLF/KafpghklXhgfltgxt

  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

    22/99

    epvao {vf holtfldp ck akwop rkptfdf ck akxk {vf kltfx xf pfrkptkrop todo fc yocvafl,

    Fl fxtf xgarcf iflaflo xf ivl!

    dkafltk todk tfopk {vf gltfltffzrcghkp ck fxtpvhtvpk k epkl fxhkckdfc vlgyfpxo, Lo o`xtkltf# rkpk {vffxf iflaflo gltfpyglgfpk# fc vlg!yfpxo df`g holtkp# wk fl vl ao!aflto kltfpgop# hol vl fltpkakdodf icvhtvkhgolfx df ck dflxgdkd rpg!aopdgkcfx# {vf cvfeo xf holdfl!xkpkl w hpfkpkl ckx fxtpvhtvpkx {vftflfaox jow dk, Fxtkx rfptvp`k!hgolfx xf aklgigfxtkl rop afdgodf rf{vfkx ykpgkhgolfx fl ck dgx!tpg`vhgl df tfarfpktvpk df cox io!

    tolfx {vf# hol colegtvdfx df oldkdfc gltfpykco df ckx aghpooldkx#lox ccfekl df ckx dgxtgltkx pfego!lfx dfc hgfco, Ck hkpkhtfpg~khgl df

    fxf ioldo df aghpooldkx fx# jowrop jow# vlo df cox kxvltox axgaroptkltfx df ck glyfxtgekhgl kx!tpoixghk# wk {vf xvx rf{vfkx rfp!tvp`khgolfx pfrpfxfltkl ckx kltgevkxxfagcckx epkygtktopgkx df ck fxtpvh!tvpk hxaghk,

    Rkpfhfpk {vf dgxrolfaox df to!dkx ckx rgf~kx lfhfxkpgkx rkpk fl!tfldfp fc opgefl df ck pfd hxaghk,Jfaox o`xfpykdo ckx ykpgkhgolfxdf dflxgdkd fl fc vlgyfpxo glghgkcw tflfaox vl aodfco rotfltf {vf

    fzrcghk ck fyocvhgl df fxtkx rfp!tvp`khgolfx jkxtk holyfptgpxf flfxtpvhtvpkx df akwop fxhkck, Xgl fa!`kpeo# jkw vl rpo`cfak, Ckx yk!

    pgkhgolfx rpgaopdgkcfx fpkl tkl rf!{vfkx# {vf ;8,522 agccolfx df koxlo `kxtkl rkpk {vf hpfhgfpkl jkxtkhpfkp ckx flxka`ckdvpkx khtvkcfx,Fxtf dgcfak pfhg`g epkl ktflhgldvpkltf cox kox xftfltk# {vg~xkcgafltkdo rop ck roctghk df ckEvfppk Ipk, Fltpkpol fl cg~k doxtfopkx rkpk fzrcghkp ck iopakhgldf ckx fxtpvhtvpkx# vlk holhf`gdkrop Wkmoy ^fcdoyghj# df ck FxhvfckPvxk df Kxtpoixghk df Aoxh# wotpk rop Nkafx Rff`cfx w xv epvro#

    02 GLYFXTGEKHGL W HGFLHGK# flfpo# 0226

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    dgktkafltf dfxrvx df ck epkl fzrcoxgl# agfltpkx ck dflxgdkd dfck aktfpgk hoal rpotolfx# fcfhtpolfx w iotolfx oxhgck`k `knockx glicvflhgkx holtpkrvfxtkx df ck epkyfdkd w ck rpfxgl, Kcagxao tgfaro# ck aktfpgk oxhvpk flxka`ck`k fl xgcflhgo vlk rpg!agtgyk pfd hxaghk, Tpklxhvppgdox 8:2,222 kox dfxdf ck epkl fz!rcoxgl# cox rpotolfx w cox fcfhtpolfx xf hoa`glkpol rkpk iopakpekx df jgdpeflo lfvtpo *k~vc'# flxfevgdk ktpkdo rop ck epkyfdkd

    jkhgk fc wk fzgxtfltf fltpkakdo df aktfpgk oxhvpk, Fc ekx w ck

    aktfpgk oxhvpk holtglvkpol xv rpohfxo df flxka`ckdvpk fl ck ipkoxhvpgdkd jkxtk {vf lkhgfpol ckx rpgafpkx fxtpfcckx fl ckx pfego!lfx ax dflxkx df ck pfd hxaghk, Ck cv~ df fxtkx fxtpfcckx pfgo!lg~ fc afdgo w hkcflt fc vlgyfpxo# avw rpo`k`cfafltf dvpkltfcox rpgafpox agc agccolfx df kox *poxk ', K afdgdk {vf ckx ekck!zgkx toak`kl iopak# ck rpodvhhgl fxtfckp holtglvk df fcfafltoxrfxkdox farf~ k holtkaglkp fc afdgo gltfpekchtgho *yfpdf',

    TOAD

    VLLF/KafpghklXhgfltgxt

  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

    23/99

    df ck Vlgyfpxgdkd df Rpglhftol, Coxdf`ktfx roxtfpgopfx rvxgfpol df ak!lgigfxto ck ipkegcgdkd df ka`kx tfo!pkx, Ck xocvhgl fzgek vl lvfyoglepfdgfltf fl cox aodfcox hoxao!ceghox# kc {vf xf dfloagl ak!tfpgk oxhvpk, Fx vlo df cox epkldfxdfxhv`pgagfltox df ck hoxaocoekaodfplk,

    Aktfpgk o`xhvpkFxtk aktfpgk oxhvpk dgigfpf df ck ak!tfpgk hoal df ck {vf fxtl jfhjkxckx fxtpfcckx# cox rcklftkx w ckx rfp!xolkx, Lo xco lo `pgcck# xglo {vfgltfpkhhgolk hol lvfxtpk hckxf dfaktfpgk xco afdgkltf ck ivfp~k dfepkyfdkd, Xf hpff {vf fxt iopakdkrop rkpthvckx fztghkx# {vf lo fnfp!hfl lglel otpo fifhto fl cox to!aox w aochvckx hoavlfx, Fx ax#ck aktfpgk oxhvpk rkpfhf ax k`vl!

    dkltf# fl vl ikhtop hvktpo k vlo#{vf ck aktfpgk lopakc k co ckpeo dftodo fc vlgyfpxo, Fl pk~l df xv fz!tpkf~k# flholtp oroxghgl hvkldock rporvxo Ipgt~ ^ughmw# fl cox koxtpfgltk, Xgl fa`kpeo# kltf ckx rpvf!`kx k`pvakdopkx jk khk`kdo ropkhfrtkpxf xv fzgxtflhgk, Kvl{vf lo

    fltfldfaox `gfl {v fx ck aktfpgkoxhvpk# x xk`faox {v jkhf> akl!tgflf vlgdkx k ckx ekckzgkx# hvpyk ckcv~# ipflk ck fzrklxgl dfc vlgyfpxow dgpgef ck iopakhgl df ck fxtpvh!tvpk gltfpekchtghk,

    Fl pfckhgl k fxtf ctgao rvlto#yocykaox k ck lgf~ dfc vlgyfpxo,Dvpkltf cox rpgafpox 8:2,222 kox#fc hkcop pfxgdvkc df ck epkl fzrco!xgl akltvyo hkcgfltf fc vlgyfpxo*ax df 8222 mfcygl'= rop fxo agxao#cox fcfhtpolfx w rpotolfx df ck xorkrpgaopdgkc lo rodkl hoa`glkpxfrkpk iopakp toaox df jgdpeflolfvtpo, Fxtf tgro df ekx golg~kdo#iopakdo rop fcfhtpolfx dgxohgkdoxw rpotolfx# xf dfloaglk rckxak,Hvkldo ckx rkpthvckx dfc rckxakfxtl cg`pfx# gltfphka`gkl flfpekw aoaflto hol ck cv~, Fl cox rpg!afpox tgfarox dfc vlgyfpxo# fxk dgx!

    rfpxgl kvaflt dfltpo df ck xorkhxaghk ck rpfxgl dfc ekx, Rop cotklto# hvkldo ck epkyfdkd gltfltk`khoarpgagp ckx rpgafpkx rfptvp`k!hgolfx df dflxgdkd# ck rpfxgl ek!xfoxk holtpkppfxtk`k xv fifhto# kcgevkc {vf vl eco`o hvkldo xf cofxtpvnk, Agfltpkx cox fcfhtpolfx w

    cox rpotolfx rfpaklfhgfpol xfrkpk!dox# fc ekx lo rvdo iopakp fxtpvh!tvpkx akwopfx, Ckx fxtpvhtvpkx ro!tflhgkcfx oxhgck`kl k afdgdk {vf ckivfp~k ktpkhtgyk df ck epkyfdkd cv!hjk`k holtpk ck rpfxgl fzrklxgykdfc ekx,

    Rfpo hvkldo fc vlgyfpxo kchkl~ck fdkd df 8:2,222 kox# ohvppgkceo dfhgxgyo, Fl fxf aoaflto# cktfarfpktvpk dfc vlgyfpxo# {vf xf g`kflipgkldo kc fzrkldgpxf# rfpagtg{vf cox fcfhtpolfx w cox rpotolfx xfhoa`glkxfl w hpfkpkl toaox dfjgdpeflo, Fxtox w cox iotolfx xfdfxkhorckpol df pfrfltf ck gl!tfpkhhgl df ckx rkpthvckx aktfpgk!cfx w df ck cv~ dfn df xfp tkl gl!tflxk= rop holxgevgfltf# xf pfdvnoavhjo ck rpfxgl {vf jk`k fxtkdoholtpkppfxtkldo ck epkyfdkd, Holck epkyfdkd cg`pf rkpk khtvkp xo`pf

    cox toaox pfhgl iopakdox# ck holx!tgtvhgl df fxtpvhtvpkx farf~ k`vfl pgtao,

    [v rkrfc dfxfarf kj ck ak!tfpgk oxhvpk? G`k fxhpg`gfldo xv rpo!rgk jgxtopgk# rkpkcfck k ck df coxrpotolfx# fcfhtpolfx w iotolfx xo!aftgdox k ckx glicvflhgkx df ck epk!

    GLYFXTGEKHGL W HGFLHGK# flfpo# 0226 0;

  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

    24/99

    yfdkd w ck rpfxgl, Rvfxto {vf ckaktfpgk oxhvpk gltfpkhhgolk`k holck aktfpgk hoal afdgkltf ck epk!yfdkd# ck rpfxgl {vf garfdk {vffc ekx lopakc hockrxkpk lo khtvk`kxo`pf fcck, Ckx rkpthvckx df ck ak!tfpgk oxhvpk holigevpkpol xvx ak!hpofxtpvhtvpkx avhjo kltfx df {vffc ekx lopakc hoafl~kpk k opeklg!~kpxf, Hvkldo ck aktfpgk hoal xfdfxkhorc df cox iotolfx# ck oxhvpkwk jk`k holxtgtvgdo vlk tfckpkkrpgagtgyk, Tkl rpolto hoao ck ak!tfpgk lopakc rfpdg fc xoxtl df ckrpfxgl iotlghk# ck epkyfdkd df ckxfxtpvhtvpkx df aktfpgk oxhvpk rpf!fzgxtfltfx ck ktpkno jkhgk ck tfckpkk,Fl fxtf xfltgdo# ck aktfpgk oxhvpkcf dfn akphkdo vl hkaglo epkyg!tktopgo k ck aktfpgk opdglkpgk,

    Vlk yf~ fl akphjk fc rpohfxo#{vfd kxfltkdk ck glipkfxtpvhtvpk

    epkygtktopgk dfc afdgo gltfpekch!tgho, Ck hkdk cg`pf df ckx aktfpgkxoxhvpk w hoal jkhgk holhfltpk!hgolfx df akxk hkdk yf~ akwopfxrpoxfevk jkxtk {vf ck hpfhgfltfrpfxgl dfc ekx ipflk`k ck hkdk, Fcfltpkakdo df ck pfd hxaghk toaxv iopak# rfpo kl lo jk`k farf!~kdo ck eflfpkhgl df fxtpfcckx w fcekx dfc vlgyfpxo xf jkcck`k fl fx!tkdo fchtpghkafltf lfvtpo, Fc vlg!yfpxo jk`k fltpkdo fl vlk ikxf fl

    {vf ck aktfpgk ykek`k rop ck oxhv!pgdkd w xf flxka`ck`k cfltkafltf`kno ck glicvflhgk epkygtktopgk, Hol!tglv kx jkxtk vl dftfpaglkdo rvl!to fltpf cox 022 agccolfx w cox agcagccolfx df kox dfxrvx df ck epklfzrcoxgl# jkxtk {vf vl xvhfxo kc!tfp df pk~ ck lktvpkcf~k dfc af!dgo gltfpekchtgho w dfc vlgyfpxo flhvklto tkc> lkhgfpol ckx rpgafpkxfxtpfcckx,

    Jekxf ck cv~Pfxvctk dfxholhfptkltf# k rpgafpkygxtk# {vf ckx fxtpfcckx# tkl rf{vf!kx# pfrfphvtgfpkl fl fc dfyflgp dfvl vlgyfpxo k fxhkckx gltfpekchtg!hkx, Xco tgflfl vl dgaftpo df vloxrohox xfevldox!cv~# agfltpkx {vfcox igckafltox df ck pfd hxaghk xffztgfldfl k co ckpeo df agcfx dfagccolfx df kox!cv~, Hao fx ro!

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  • 7/23/2019 Investigacin y ciencia 340 - Enero 2005

    25/99

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