化学的放射性元素有什么的作用有哪些?

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 08:45:19
x}YocG_񣍹fi;0\(̋gz]̛@.T5Z")Q+)Q )"0?fwNWL3O.˸'ξEJmKp.?ֺR5{bW3Q|6HOI)_};V~ߋW__86T:-U?4c>ɸkU[U(hSm}d[+. *n{^*+?,^`*l*ܩC ~4\"-U؏ٵ"mܸkڤ JN&,YNfjƩjnϻW+A^W-KnmլaV\ۙ<=7w9x_1lu \kLϑ.WC|w~s!sIYkYY*ZeYV McRɯ_ͭ۹YᐄRԨ$"mH$>Zd>%۩Y}$ѽJ^W6mN+Pw$>txओj<}낁ՉvnM3&jrf4S\X[H͆OP/8ͦHM'R3Z^#WYӹBSŴ>x|MۖݿQK>h IBڴ0:rIO RۤuGXI<k} *MQ)UA/{C*,j5Z_m{bHꑆ:V!xnӹ0v??$fOSd_={buEZ&q\2">SuزDƂ'~D:|G&G#e{껈 W4`(^%$XI̍a+O&7yN8wy3}W1zqdPBh{]x+$?1@Ewk.Ѷ}\;vkO*{ 4i89!SF0?-gMKSB1I' Q(SF LtCȴ/ ۷BK0vzJ*;XXDtRu ࣉE0Da1 X3mVdm (In}ύ\LV"6My/#Ȣe ffCaIʏeKW868eVXw䢨=֟dP5,zQsEɚ~,Q($y|NRP {P ]l"ݿ8c[0X_,u1#{'zhh 9bV(B~O Fgv;զInDDT| 4dOkaձ%'}6B*E82^˺GhRM;?udL9C7@ q_@V8BZcJZ׉l-Eq[d:}[R2GL/XU,KT4AË5qxr k;%f@N eJLN(ΰp)PYn'RZs|mbPw~0⊣و(h>^q UbO1*Aj̓qv5nKXG_մߡM:# k5=uܷ;M࣐,!wZe}W/^x>e-}$Amm8gڣS@jRPJ;1l[6/ؑ:DL Bơ*打tު;y*b| L%Hn%.p~2%, Kx8F>I4 w:쌮(֒ϑkdI]ZIC LEmju_'P3L~սZX铇zYm&Z`t"UaǏYdEkCԥ]~*IAk 8MA~>`cMګрRAކ`b8me͋#ݞyh J%tAK#UP߹bTӎ+t=SCzf~솻#Ek "bKb?eO8r*0sڲ5!n[қ%=lXbnI#]Nr*[sF7p;N͉F؍)i4Iv`*\# *-ɓGU8[ڳfڢ8qM9foͩ*MĊ;H)8y$ՇʰLhziOzu뒇ȷ?1o|6 Kl&ID.uQA[ʌ\{ՖS\\bNT zm)[m'"(B{`/ITf<13 DyHu17IP?3=al6[o I._3 I `89!) !$N 2gwϳe=9ϥ.0E(Z!A4 d`A]EGCрܥ &Sqda0Ir#ATY \LJ%gܰo_Qy {#E"1~ \̐dBnDlo,}- o.A*k;M;Df,a?Pk{NoI'H44O7ARw}.Fbg"NnnHjG*V8>oavdX <2rvoх丂I_oL ̐{ͼzi}dz'pr/H* z]Ɯr\L"$ң ?l'n}EXyLG%_#Ph>!V'W."~N1&u97OGJ% F2o~da»c;"qkwN`4dDVVzPcsCd'ٞԭlBE5awDlo{,cRKv*3<nBpP ِ̕"c9xt|6^G=xgΔ l{4N]ܹjEPf80/ŲG5(EjBrH82ҞKn"@a-^ (G< !B }fqeh [7˟gU|4T1WҬ"=Ua B뾘srI,yIřƗn:> $}c!Tp|h`!?) AX׉)$&2p3O0Al ^)PDzhHtZ iwpP3eF"K ֔-_admpMgr5j`8h( ̽]H1CBh-qjdyCB+O %ګ{9=5ԝxia"{ nHeaSt3+~Kw+=b[zߤꇹ䆜/-چS<'J\DS~h8kA&Z@h^i{:I&5zFp{&J[͝,~vkԈ=Ϭ%_#"l"d^o*5>(;g ߧad K"rϋOHǨ.{Y*R(\4Ȋ0'K TaŘc΍;2C)6d+Ē"(F+Yr95Z<@(WQ>fY@Bϝr 0hOW"jh݈5Swy㗏,)gDBo?Ższ9yu?Ko^qtg-2W%xQXN8v>hƤf=^AOz'Mz=ЉoLMB~9!NA9 . F>JAu1)Qd1Ht?' +Y17IIuaq ȍxN[mɘO}U Ud"֘SX\ae0U09X|؎x)o׊P~ C"IbI&&d+&q7B{ H|TquK>"%se]2EN1YDvi(?IEn=^I>H`SE躨ed[9вuw{wIِg BA }BPɶՆ) Xf߅iLPQ$v/<}lތ?ҼSNF7 dxt@_G41N6s􃸯 Ҫ! 8I4>'MLfgg?ౕ>KF'L9h_0R+K)I Ç ȩ4a]RqNO|w?4xpOO*&,OBŨIr^(fx*]p 6VE;s!S =k9zҷ||-/KCqbLq|jg*[:gJ\է$-ͧ9Wa_Ay 1z$}iUh"G1bߗNez{X$-/qL*.o җ?K7eJc! D@@<Ϭ%iܗҕͬTк"6I`u0]E nxvOzu-sXW(8Z۪AIiLҚ.(JHSZ$sS7j n5ќӅъ:!P.0/ڄ~Tm ^OF8sfT0gj$Q!f޷]sr`ȧ.駯g۳L4S &|p6o$PBϑrEkb{/dBcѠ]}@+;n .e'&z!fx>sWI~u=# T׾ =Ye0 n!l|C<@O딐?Ur6/d`2Єtf'N!-U]" 1?D0GfFg zMNBا K,#Q }|VX^80tIﶥb#ց۱ ODDi9ls}[ ECCǧx =DgD*Kf L'c'z?޹4-{zZdz 6<.:*eX;8bY%3AkxENxsZ+jcׯbpھp)W;_/P3GJ2%U^γ+mv +-܏Bl{}a+O_~OZܷnem=}Aݤoo Iύ!ZҐ+l)6f\HR"NR8:نq#|?5h?;Ao8׹0S|^ZHeLokvzFp6pVC[hm@š`r9D[C|L!^ЮsZR nkv-i4F B(/M`XruXG5P K[TZm4Ўw A1TY$cdo&O$$4W<9s=|@^J4Gjy2P}̢1 L퇊dQ`_Җ o"4JN#t>cHYen|v51T'Gv~MDKjgRW;-`ntARRnWqjp#s1ͦ:[CgWE-|M|ʊ_>㠩v> u9rUMߡMε^cCeK')-}|߾?Gy<59P+i9Ԇ9Wat$WUrwj&XlM P2/sM]O6<xD'$i]Lx@}e6-G{v<&?+M?T>+r5%=6% A:I8w8 C:z*e%a%ECPOKb;NsmF %Mln;I$ u'uZ`7KZ2.,-Tj98_>eoHRpH pF2\L( 1ka2 )Y+Y:F*'#P a%x1P+-Ќg뼈 a! -Q>E:LXmC'N>E Jc9uag*ةy\SmsY:lW/"\kŒs!GȀ1҆/6@ !eH>0aޗ8UAGp{ȪYaDD>7T17sߣ?ÜbI6>ը Q <16qsd \ȋi֙Z 9y@T{S<ΝvP2~ZnQd- AQhC ޤ/e ABI _!PWcUj,.=:bݴ5o0l,%vUC~ I9 b~!T6‡wx}?1F~Ty]r'[iT$LP'L-P(bx[ݐɒ*G޵\c@Zׯh! "ǫa+ץ0`N`;mU_ 33+ն1F;sb.'y y2TaBcn>*v 9"]  3H9,X:|=2j1h()#f.aZ<Lf#Ab'>YJ֓8vQB+4 % Fx%Jg -{/)<.Bb!Jrc{p!tz|.[P}>{%3 49Mn{L'^b;XG^ۛ|?rYI)2.ӣܔ]-o,aлyߞ_)+BU);#uN2n$I!=(B^LruOdϡIg)͓>\riWf~yvitFo #ۡE^,Y[| 5BRD|OhNӥZRJY=M?Z[_)[zL>9?'pƏJE/A^fM͙_꟔wF^B6ǧu!YJag{UL/^2XS~~)x9Lߑxy ީG?@ OTuDTrO8]E2'9\yFM>1M~ ^dYyG~~ҷ[:,IJϥt9Oޜ `EUa."" ؙnò:;Xe)fV}j2V8SZGʵq,Uz@?BaL.Lp:(!T|H5xFb=P!fo$1𧻓JR-Acsxe3)rL35}{;myq})۲_oJv6< BWNGclk=^4z!ۆ<3*uMSpY^a-M#p2qD*Q`ĊVb 5wbiGAgj\AҊQB7.&C7u=X_i!'?'+1c]q u/սbCvPÚ3Ƌo̹jى`x^\L2ajyΊzept" 74VoG_Ĥ/c YKG%:YҀMc)\p@i_rtXE%242?"*OKob˟[`Q 6uц0ʣEAg>j3qeK̍vA5Ǥ(<1mz\lz ӷQ"zQ&-fϗ^\wj}zzƏi p==9gnp>7$,I8"M5b9J^mLY 69BqD|;mi::Ī a[}'NɇfJV8?[*T[ؼ&FOK/ݟqR_X~B.c6zIӕW-&)&MHڅ?C7q 4֨6N]>hGKCRI.\Vw ס4X'iRiKSVm9/l~ZZu"!pCC ㋱Hrsw'Ӆ$#*8|--3@oVYAIn1 }?q/ nʬZ˟7*