PNG
IHDR ^ 3B pHYs .# .#x?v ,iTXtXML:com.adobe.xmp Fig5-COOLINGREF Cyan Magenta Yellow Black G|!k IDATx|[uvMG` W:Q\:ě\*\,UDDr'zITD;~L6N elݏ6lݺ돬?֟ɏw|9d?*/ C H H H h lr\.p]G j5FInqjVwFժIo4OL.rnx]GBjFj R~Z knt:He/t:NՊI#h4z^4]^l33e2?jY__xS#e417b*%Qn!I"«E!d YlMV\.fl(v{b2<
5bcB:N
prDj R"_l6ǖAq:6nyȉi$1 Rd @Ƴl%hvTHZ.6q:8jUJvl6rqO2;rNro2L&Sȓv]ڎx"lVQ.e5zvK- v_N\.78Ab0VkNbT"qTw8%ho /
@ 75djjjd#
a&)]2͊8F1ͽl6
ꆆ4]zg~f9ULFqċ*L=y-MDus0x Le6F*Vkl
XZXPvO~655TQ*'IJRA>& +F/PWf HF d][[8lnkkʿXM?=*NV>c^ggCSSSЗlت~jGDd@8o\wuuues1mmmId @$ 2 P1WMMMM =ajz(aF7
qAˋm49SS!M'v7\.W]]]wR ᴊ7bnq\"N'/L %+**6p"C @)IZmb&mmƻ;Clv2e?I2 1kqnP7Wcccbo.q?ZU 8 Tfvm>l +Źj/۲6/c:.v`:A錰kHg
, +%fs Hx.F Nٮ[V{ᨭu\N JAE
Pl4廔/&I1bD285S3[iP
n4|]]]`- !mF~ ŕp\(jMYF#_ Yfl6B<5F,[dJB42k4c?`:8a[T(I;d R#d8VTz^KzA +:3&*RX"RV&pO
S2Ss*ZAsWN3A8! Ԉ= hP^]I 0;=$^tF`HvMPo8f"sUx'8ExNjNK}* LY1&jM&dM{V?v
d'h4I.BCCC nw. S&ʠ:BĈYTG` ^
| 5bIv
O*&, @FZ[frMNfPf~t쾞CM&vFce?梷> R ;z}WV: C0)akڠ)nRPF)h6+e?].W`nFV @V:gOʊ}p\ nrh48排Rv T@_͔LC)hP +F!' 5K8E*ZqiZE%͖ "pr+ݥT~'uSVɄS3~"軤ï KvI{ F'qX"Av8L)+dF1)=W JQ$Go'N @FsAǓ,h5U#iHiSY'2H {EZsr{M=p8 d![b2e?ɚLa j"M\I/-o- B}RiB}'LX# @*EUo'}Fh4ݩ 2WRˤ$p0) Q' bq%8zU sC2 dJXC
5 SAD wl Q[[[[[4___/& [ta: lXml_D3e?IL
"JBoX[[ɘ\RSSUAP` J@N3e?ɚL
"JBըgñxbKNg]]]?
d4qH왲SVL& d'l6[mmmAyU PiX2%oɷLϩ,d bq%bVm6kll:Xy2 * C"-Lj2bʛ+SAՇL.Qg0v *E#$fd2ɿyt:jk L2 d4Ave~"0 %$^,$*FR &d@ȪP B}O7r CBb)tIߥohLOf2dhTE Iۈz}z> 'hDrMbwh4o%d6-ɄCiug 2q2 zߺ SY/HiL.z>Ca$o2PYәL[CC4MZ[[[cccCCCql6s <9i7t PlK)왲# ,Ӧht:^ZA @MaxsJ Zm.kj:hDnO`w) o$M&*1;+h':E J$GX,euuu PE/q;Te~&;v5nodL&F].$ $2A1Pq:NR-^> G @F3BAb p84M {2|$M&l2.Oޝx/S W2 Zb@RKmjlnhhU4 2]e}}Ďju]JA~"vɠL
ѨRJ?L&sGP6K> 0)"J_t֊9 ŗ簾^ɔ( 2`}h4NJa4iX?3%t3e?S@en0:dF1欘lb9A1 V"J,O6p(jolB ,`ZqNhLtv?-Sf~.2ʻL6wA% 9:;D;2A &T@nOJ>d2uaۓQbn+XHRf~&K8]
CNP'h2m @2D5&=AkL~90Sr Cı{b'
˚Lf~&O6KIڤ1lPVBl6[bL
iߌ't:
&`ZL !T>t.^8路8 k4gZCSt=<3h:'!TH:$55h 5Af9 ʉp]o"I`O: H0 RhLTUQSS~bN{]]]ux#f9F!ڋ*i[(L>n$鈒 %73$ a0BE-Al/3%p8jkkkkkN`uŶ'nb!g~&\C<8gDՆ!!v/9p\&"Z 4BͩûzU_)TP0a J:-W1%PSScX"vv{}}ŋkkkˑA1-Ka).J555x-3QbZx6vT/W=oԧ^әnSJHHO"sV PW
:wlb@X655E js ͉H:.tJrnDV8ZVvt:(b7fsץ~:Vtav@LD`0zF4hz z>=uFcNEDr:,K>FN6rX)O $?qM&SÌmmmj'ܷk 05Xhi4455EaVg72h?{{{SӅE6B~MD6