家庭小实验方便的,简单的实验器具和不危险的化学药品,用来检验一系列的例如空气、水质、土壤的受污染程度,

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/02 16:55:14
x}n+Yv\?4ЀrޛFuCF>+/FFJ)EERLJ$jID/Z{8 RYi0neg>{X{8'~Ͽ7ӫV4N7d4W0}/LƤ^Ƥ7i6L:7+"ғN"hM&us޿$St?Lj..J8ͺ]{%] lՉZ [ nJH~{#SASӵ Wƛ DžXxI1/Gw˅+WѣvasjI~jK:vaǥ~.-pISnO:%-ID %ߤSD8J2t)&om̓.j}L6-Ο?; /lw.gFh8VNΔөcHዧejßJ(g2i&&+Y3`֓lF uy^Ć\VRڮdaxnhvڹeP#uI2g7X.385bA/64[_ڕ04q .lcnVOʦmvs?eR/ /fNԻٷdN]G"i0P3&Ĥ C`2,.}1-nC3Yf.;D;O,#oWﳇH6NKG#`{7K(e9?6:, -APG–Nfs=.?%v7_L:t+ᰏ$A³=N2wwL*t(ݪ_Fif28;ĎXvмI?AڕsRq4 4neڨ&۝}goL 叨٣GD!i%l ̀;IGѯYpm+Bܬ17@4F!FvTŇq I?rRyQFEЅoQ'$8ui 3[&՞2Ę䃎CYC ǩiEQo 9?3H0irTݱu&3@t:֏H}FQ pLe2܍Ib{[_3E3Y2^ q}&S`! /`y}ffVۊ4tL*3ƙi,,\XxzAy*HkS,Z:8k,tU j-758D;T15[bٌwb;QG l]H?O9@J&O"ԅv}> #[%PKze.ڠ=-HȚź\7꺦Z btU5[:M̝cg@A)4wkp:JkSZW J3c Lw-h/'#5$٣",9H_4NK8k*K$D첨~ - !_pgV%m9l$<ȴHU8AX`7lz< nau?=ߓhgxҹŬ{P>=|75ԚnaFh Ҫ:B`I"NnYZ./g4zݞyXD1sbr Gdl{VZ@or$:Fe܁9B=}a1Vx#=By"NNylPFnK?7H 7 26;G 1BA&Vh{$[1T>N[~g(Z*iӋjPjv@@V_x{ $mN}0ac)ׂ~6+6ɔV(pKݔ j '"~BYJ:]_f5|OJʼ``D}-5Ad0ЩR1ZLajפh^('՝ X/v@#.Oмt@S[qdjB?ӏ?†U> * ǬKє2 0>Hְmb*<+Yk^9g&gA>W coA *utPa>+g-JwPWϗK?MduO7|vx4xtҟتIe~yB.@@ =W4}\IMSy{_ ~:l'*+*|;M>w mªfՂdX Cс  Htd{t鑽5-jJNJ%f6? JՠZӮoh'P5cEJBdڧ;U 05"YAЁYmL/`+pVb(ܜOEմ])PFqLNI{Lƿ?sJ5htA{j lөu3`ƲtF %^``9[S!ANzJj~:)2yl ھx M8? _0\m]2yye@2 t¶+%mP&7Nں}G@(W߀};LXK̴Ƚo/*C)M:G(KhdO'aJ<[dki R G4];0V_gtx+pϠBک*Im i7aQ$Z|!c<Ŵ#*<d\1#XQ]Q_@,r9t_p0xh Yn &:(U?Աޅϯfp#`.=9'wݨy1 %vhG-h9+7ly#a `CۣUkBX+kz$S^jZ;:/`(Ew1Ĵ?(o\8H_c6`x'2[6PemjP S7멆wVFdn#[@ĂElũM.X K(_ӟ"k̠)WN09[u7mzwDLf!{ (gߐmY3KC2,?h0<+cJʡ<.,&Rh*bMTx-:Q!$;Sގ.Fp/漼^YsZxdںiظQZ4:puF45'Ȑf,pNeR{6_y h {,)-#hih7BdζcS!fI/$I 7haphdja\a+H~@xYt# ^= -vOwghu4YĎ/Kde](lY;z$ \aun: m,Y+2(/A58 Ȃ(YiQZ5F͠.xneB)il.Zj+._4,֥pcPyq6o353]xi] ;X%SW 5>v@hr|'`71\*ѤMʹ0u+a-.[̿81o^gu-`-`损v`OQV1"$#U#^ ۈk2^ZuVpi{j*U"16"Ԓ oX&zb&?g~9?c0Y˜s ٸP؝iq<+mϘF7j2vgAhvo J5`\S|D̫w5z7 OJq1q@ TM[{V mT+KdɔI?cA[Iol=>|\-R CsWCu) 5~#p3*}: n0nR)#/bH X1= u q-Kږ)l[- F9 pB~Z+$o&ü5[7>=HTvLb#!U[y;اDxvR&շ;dgRR RA.:c{!Ei*UF*oq7[YL^C@g^Ç6i4t(G!HgMp63'6,)1[&4e3>gl-LX l݊IlWxF 6k3*icFc:@JdtId]+H_רf-DC/haRUq"HfܑSț7\c6$s+҉pR% q2vaDsIXE?1 n2P(8ooa@FDML^@2U0cWDk, t&ՇMOBvPGl8+uy7%I:irM"YP-׻MShcц93*j9lQ\g5/GX7n%Q~IT,W+qA4 N a™$L#IP2-wz~AES3u=Gus0 3&@zKVF|\KLgʬh_*uwh>E@@fè h8ej\b␞{̕f(<>M~R!>~ ^tޡGE/+Ԛ6MIqf`BS&P_G YGZv\bjG; J]P.cB`+P\,0t>۔¥̝<@g05jXh{pKK! TJL[RD, a=-tNU߽#hzVN .{OV+D;!1a J' W0㧟>}G@`4hɭumN(O}za-IMْvY@`قq3g^V:je,|i| `\MeQ\NGl0(DVL7< u8ḨJu{e}OpP&avkr<~[cK旙&dc%na19Q-4E[f=BT&Av=׬~7[ %49v^ MllҳǴX ڮuIJ/8A[O 3؟z~Okjb4+(vg7UC%L$@雨J`t|4GnD+Bi)DMJQmn :9eW0X&LY\zҩ_z}b^ZI2rE/x3N2mX"!gA`*mL,QGG*/BdI+`: *%~](-"bt|+Ƹ 䩟y`&ωT39O\l͂y{m8}sFE@H@0U-T*==aaAmAw`]f-QԿ$?  Ut_aדÖY"Ꮊ"K>/w: ں˟ں(t ˬzaR)1x_H({πg: [Iz/–M>3 ܔ@ i*Vhh_2ϠZH\"?^~i4#(C:T eJ)lq̤ߜQ@QΎzuKNgQ8"tR(3MLo_j>lu{ezǞr64'o8Aˋaz&v"#J{g@ن18]ߑy|߾Jg2j&ج;RܣìK8J2Gޭ4dV}t5j, $Gp@>2&ljHG k)0DSS;d_"ei|?$݊>txV0[!Mj?7`ǓePVIm rAp?u#2i-H le0,I _|<-gIiSff`cVAt9{1dI+0d${Z$yX/6d@j1+޽'OL~ZN@F@g:+C!f7t/5/C U:غZc&v/uF#llpJg>ngd ~ =j F0W]6^ Vi<d`p},t씰J@AtI4XԡfԞ<(~Ba3`KR^6=K{IWR6E Ll_F:TI`86c`_Yu;8_%Np(E"[&&hEh5c5TUݶt/7Xn-qf9Krm"pY 0Ey'LDl&COQ4ӑH:@z?<R",EDw KlҪ;M%dh{Di=9wy9,P& 3_eAlA-O+Eh.dbztŻ`}%8\<]CLꦴ: f`nu&lzNMWX)Y'1Jx+GVH9yQ$T0$؈, ʭYr&IRVZSH'@J{~8{(Ż/rƆx2I . UZ=JMЯOUUҝ>+JQ0yezTA=0L/MnF+݃QxtQ4h:#]/msYj rY0.p05p^Aej(Y1Jtƙu84.[i<`h?wrOrjmWiAv;0\Gwq&\-<ژ26|O 9RnMnQ_렞#5)'%/#&j# h%(/ ]'IDq9f S ?x#n~hYY9I%x/W yGRÜB,pd)r.t5We[ A>^l@QjixN^f X0rrD2zט)0e1UC1%V_|: n,L̉)ȇE&vB&qhIr(-Bٳ)dK{!$vVo_EEs-Ȼ&U7 >9{(1GFa.>'h{>U-":"8b+ fwUugy-mQSIH vyL= V #'Zm#~chzc-.>oTG #KAnQNq.AHo4~'F=CE9޶C,, ̍z+ .ڳ%y 1ayҠĝ.ElAR+;p[/Pky1kj~߿9*GG:)3"H&BzEQOhі&:(ܟc|[qEц 1Q X?^*K R,kK<Ǵ6_%(:5 w\ uچZ.@ "8$ދ&ћfZDlNJzA6 Ԧ?j2 apZ2t$*2[/3:#oMIrZ:SR-I"HJ%馴%{L0Yn|0r:%UXX>b&j*g?гxOny`ل<>}7e2/e,NEWFGX9*Q7;.`9kFщK/0c/XV0eORX~e7i̷/qLjr(ʗǚkT2+buzs AA|Iw /?[eUlRt~.-͊-Տ{jqSwCrX+'qݬ"Ұc_z,{mCҖw FXLI7']Djzj5FN,?(DM+IlB.F=KK,Eu"'j-H?_.vƭKQ.k1]n0u_@k4J֪PQdža=x~'5-^ڕĈ1caلg.Dt>T!;&|8M!g XkI}8ahISp6+ $?^QI虖Io}I۲VXyuEzޝ]go8с9ċjnHLbo>Nn2|H8(݉xU9'ܳVQq%S$i7֖gɅ4P6Gޝ]nh%F1u,Eҗ B"n_fxǵ9kn-|Yv |LEq}Ljl,$˜UpC[N(#AS#an&bBv:\`K>وҔ^M3 Myi3 wriKpYRR&v"HhPA|u@E)&wsx;#™7Zb* vO^T?`٧nhJӊX 5SfwGARIO֛Jӽ>bXv@>Vv'üO*k劜 ׇH=o0VIh"^Y.K/敬rv6%mGK ٕLVQQ# H Erz4i{X/>f(6fآ(k.36OͰNݞơL/gh(+MﲷW/qi1CK:U>4]/k%l. YS#<%jAjQ#Be#PX3je$)xM1/,է T`p7SrA^:.7VM?꒫4Rz#΀Г5FeHpKI(x Ċe8?%O.Gv"1B{.SgkG}~,Va3xs+}er%F&54o4 !Rm䒵RyD{pkH&67xD=l[h&}f.tCW8-@oq>9.<$lZ^, a5S?϶c+GͰ92+ힲ|폻}v'J@S4z_dt4L]y ]-[ -a+*JG"ݝ`x&3Pц܏lBի=`D.^oyΆ_ؚM))#򍞜ソ{o a~×u[_ՅkV_d/8W_&:02G2\ooH"?0o7W?㍡jn7>=77v+zsܵ_oZo