Đề tài Nguyên lý hấp thụ tia X và Gamma khi xuyên qua vật chất

Tài liệu Đề tài Nguyên lý hấp thụ tia X và Gamma khi xuyên qua vật chất: ccc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c ccc c  cc c c cccccccccc c  cc !c "#cc c c$%c&c' c' ccccc(c c$%c) c c'* c '+ c' cc c c,c- c(.c/c0 c1cc$cc c 2c3c$ c 4c cc(c+c$%c 3c c 5c ' c c6ccc 5c '7c ' cc ,c ' c c!c 81c'c#c$% c1 ccc c  cccc 5c 8c' c cc1c' c91c:c7c#;cc>cccc?c#c c  81c2cc @cA)c"c ! c$%c 81c cBcCc8cc,c,c1)c# c#c D c'E c'cc8c"!c'.c c F=c cG H1cI'cJH Hc c c'c c<cc8c6cc#c'&c "$K c c<c$%c c' 8c8c 3c cc c!cc,.cIc1c<L- cc ,c A7c c c<c8c6ccc 5c'7cA c$ cM c6c)c...

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Gr_c 1Š.1 mS.c c`ecc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c c c cc$%c 81c c ccN c$%c 81c c dcf'H1mSgc eeeec eeeúec dcf1lmSgc eeeec eeúeec  ' cf1gc ú[eec ú[eec Gcf1Š.1 gc _c _c b c c 2c˜c eeểú`c eeểú`c b c c ,1c DFc eú`eec eú`eec "c€1lmf1Š. &gc cc1c …[úeŸ…c ŸŸ[úc ec€1lmf1Š. &gc cc1c úŸŸeec úŸŸeec "mec _ú[c eể`[úc cc c c c c$%c  81c c c c cc,c"(1c c1c ' cc  , c "&c  5c  cEc1*cc(cO cA)c"cBc$O c c 1c cEc1*c(c 2c5cc cA)c".F' ccKc Pc 3c c c<cc c!cc,ccc$%c 81c c ccc1c ,cA7c<c- c'c , c$%c 3c ccc : c<c- ccc  5c 8c : c1cEcc<c- .c c ccN c$%c 81c cc1c?cA!c cA)c"c c #c!ccc cc' cA c cBc : c1cccc" c-.c c V[cIdcc,c-!c?ccA5ccc'c!c ?cF(ccccc>c cc 81c c N c 81c c 81c c N c 81c c 0c cHcUc Fcc Fcc I>c I>c ‹c eeúŸc eeúŸc `[ểc `[ểc c eeŸŸec eeŸŸec úúúec úúúec }c e[_c e[_c eec eec "cf11gc lmllllc Imddgc lmllllc lml Ulc "cf H gc lmllllc lm dglc lmllllc lmllldc b0xcf11gc úú_…Ÿểc úú_…Ÿểc e_[ec e_[ec c c c`cc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c I,cc_X&c[c0c;cR&X"c#%="Tc c IcN c cR c8c?c\c c Ic cc \cec0 c c l cA c(c'2cS\ccrcúec c l c  1cc1z cA c(\c crcúc c I$ c*c: cc \cc1Šc c F c c K c  \ce______c c c  ' crcúc1c c b c c 2c\c˜crceeểú`c c b c c ,1c D\cFcrceeểú`c c 1Š €1Š crc[ểểểểểc c Gcf1Š.1 mSgrc_.c c cc$%c 81c c ccN c$%c 81c c dcf'H1mSgc eeeec eeeúec dcf1lmSgc eeeec eeúeec  ' cf1gc úeeeec úeeeec Gcf1Š.1 gc _c _c b c c 2c˜c eeểú`c eeểú`c b c c ,1c DFc eeểú`c eeểú`c "c€1lmf1Š. &gc c1c _ú…[ú…c ể`Ÿú…c ec€1lmf1Š. &gc c1c úŸŸeec úŸŸeec "mec [úŸ`c úúŸ`c c c c`úcc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c cccccV[cIfcc,c-!c?ccA5cc'c!c ?cpN ccccc>c c c 81c c N c 81c c 81c c N c 81c c 0c cHcUc Fcc Fcc I>c I>c ‹c eeúŸc eeúŸc `[ểc `[ểc c eeŸŸec eeŸŸec úúúec úúúec }c e[_c e[_c eec eec "cf11gc lmllllc lmllllc lmllllc lmllllc "cf H gc lmllllc lmllllc lmllllc lmllllc b0xcf11gc úú_…Ÿểc úú_…Ÿểc e_[ec e_[ec c c I,,cc_X&c[c0cVcRXc*Tc c IcN c cR c8c?c\c c Ic cc \cec0 c c l cA c(c'2cS\ccrcúec c l c  1cc1z cA c(\c crcúc c I$ c*c: cc \cc1Šc c F c c K c  \ce______c c c  ' crcúc1c c b c c 2c\c˜crceeểú`c c b c c ,1c D\cFcrceú`c c 1Š €1Š crc[ểểểểểc c Gcf1Š.1 mSgrc_.c c c c`_cc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c c c cc$%c 81c c ccN c$%c 81c c dcf'H1mSgc eeeec eeeúec dcf1lmSgc eeeec eeúeec  ' cf1gc úeeeec úeeeec Gcf1Š.1 gc _c _c b c c 2c˜c eeểú`c eeểú`c b c c ,1c DFc eú`eec eú`eec "c€1lmf1Š. &gc c1c ŸúúŸ`c ể[`c ec€1lmf1Š. &gc c1c úŸŸeec úŸŸeec "mec úŸ`[c e`[c ccccccccV[cIgcc,c-!c?ccA5cc'c!c ?cpN ccccc>c c 81c c N c 81c c 81c c N c 81c c 0c cHcUc Fcc Fcc I>c I>c ‹c eeúŸc eeúŸc `[ểc `[ểc c eeŸŸec eeŸŸec úúúec úúúec }c e[_c e[_c eec eec "cf11gc lmllllc Um jIUc lmllllc lmllfc "cf H gc lmllllc lm,jc lmllllc lmlllgc b0xcf11gc úú_…Ÿểc úú_…Ÿểc e_[ec e_[ec c I,Icc_X&c[c0c:cRc!H:cTc c IcN c cR c8c?c\c c Ic cc \cec0 c c l cA c(c'2cS\ccrcúec c l c  1cc1z cA c(\c crcúc c`[cc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c c I$ c*c: cc \cc1Šc c F c c K c  \ce______c c c  ' crcúc1c c b c c 2c\c˜crceeểú`c c b c c ,1c D\cFcrcc c 1Š €1Š crc[ểểểểểc c Gcf1Š.1 mSgcrc_.c c cc$%c 81c c ccN c$%c 81c c dcf'H1mSgc eeeec eeeúec dcf1lmSgc eeeec eeúeec  ' cf1gc úeeeec úeeeec Gcf1Š.1 gc _c _c b c c 2c˜c eeểú`c eeểú`c b c c ,1c DFc eeeec eeeec "c€1lmf1Š. &gc c1c úe`[c e[[c ec€1lmf1Š. &gc c1c úŸŸeec úŸŸeec "mec [ú…c e[ú…c cccccccV[cIjc,c-!c?ccA5cc'c!c ?cpN ccccc>c c 81c c N c 81c c 81c c N c 81c c 0c cHcUc Fcc Fcc I>c I>c ‹c eeúŸc eeúŸc `[ểc `[ểc c eeŸŸec eeŸŸec úúúec úúúec }c e[_c e[_c eec eec "cf11gc lmllllc , mgl c lmllllc lm lgc "cf H gc lmllllc mUlc lmllllc lmllIIc b0xcf11gc úú_…Ÿểc úú_…Ÿểc e_[ec e_[ec c``cc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c I,,cB$#c[c#c/<)c c ,c-!c?cc4c c cc'c!c?c c c  c , c"&cEcA)c "c':c'4ccc"c"H1c$cN c c8cccA)c$ 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 c p@ c sc 3c  c 1c ]HH"c H" H'cjIcO cc ccể`c0 c$ c*c: cc1Š .cccccc c`Ÿcc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c b>c[.[c1Nc!c?c$Oc : cc7c'?cEcSc—c' c : .cF$ cEc : c<L- cccc_1cce1cf>ccú1cc[1cA2cN cPc1z cA2cO c >g.cI3c1cAk cc cZ c c>c$cPc : c<L- cN c$ c cc c c c c c c ccccc ccccc ccI ,cYc]HH"c‰" H'cjIcc1Nc>c : c<c- cc c`…cc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c cccBn cCc@AcBnc c cccc Ơc Sc'>cAcccÊc  2c)cc) c cc cHcUc : c <L- c' c6ccc,ÔccO ccc"Zcc,cc c\c ccccccccccccc.mcc0 c  2c)ccc cHcUc : c<L- c' c6ccc,c ccScSc ,c=c!1cA!cccA)c"cc1N c'$ cc(c 2c1c c 'c , c=cc c-!cc' c c,.c cccccccccccccú.mccc  2c)cWc,cHcUc : c<L- ck1c1c?c'c+ c ?c 2c cc ,c 1c cccKc7.c c c_.mccccc+c O c cSc$cScEcc?c#ccBc?cEcc c  c N c $ c$%c 3c c ' c cHcUc : c<L- .c2c'cc $K c  c?ccA5ccHcUc cO cc'c!c cc c$c#c ccccccccccccc[.mccc?c$Oc : ccHcUc : c<L- c1*cc c$ccHcN c #c1c<L- c ' c6ccc ,ck1c !1c c c  ,c c ?c"(c c : c 1c Bc A c  c ' c Fd.c b@c I?cY c  c ' 2 c c c K c c  c  .cccc c ,c-!cEccccKc Pc8c , cc>1c 8cc ! c  cHcUcA)c "c  c<c Pc c Kc Pc1c  c<c $%c 3c  c ' c  c  ,c 8c  5c '7c c 6c .Ic8c$c'c1*c c ,c 7c c(\c mcjc'2c c  2c)c  2c)ccc cHcUcN c cSc 6c1c  2c)ccc c1O cc!c9 c 9cBc c<c c-!c1c c cN c-c.c ú.mccl3c c $K c  c c c c !1c8c?cA5cc'c!cc : cIFc lH'.c ú.mccV*cccIN c  ccYN c'$ cSc4ccBcCcc7c $K c  81c'c cc cc-c7ccc ccKc Pc c ,c<L- .c cểecc c cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc cccc c  c cc c c Ac c -cB `c "$c@"(#c €cccI(c09cFcfúee[gcc ¯cc"#cA!cp ccƠ c cF cc ccccccccb@cI?cY .c €úcccF'Scd cjM cI(c09cFc icb! cj$K cfúee`gc • •   ¯cc"#cA!cp cbcƠ c cF cb@cI?cY .c €_cccF'Scd cjM bhcF'&cd$K cF cY™cd2cfúee_gc • ••     ¯ ¯cc"#cA!cp ccƠ c cF cb@cI?cY .c €[ccc NcƠ cbcfúee[gcc ¯cc"#cA!cccccc cccccccc.c €`cccIcccA)c"ccc(cfúee`gc     ¯ ¯ ¯ cbc* .c "$cc €ểcccIJdcfúee[gcw¯ặw ặ   !¯ặ"#¯$[¯  %¯ặLc ccccccccJH 'c.[c˜.lc €cccIJdcfúee[gcw¯ặw ặ  ¯&'¯ặ¯ !¯ặ " #¯ & (•)*!+LcJH 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