Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://chem.msu.ru/rus/journals/jvho/2006-3/78.pdf
Äàòà èçìåíåíèÿ: Mon Oct 2 15:56:54 2006
Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 19:23:57 2016
Êîäèðîâêà:
: < :jlÊfh\ K Y KZ^b\kdbc


Ijh\_^_gu lZd`_ baf_j_gby mjh\g_c bhgbabjmxs_ ]h baemq_gby ih fhsghklb Zf[b_glgh]h wd\b\Ze_glZ ^hau ]ZffZ-baemq_gby b Zf[b_glgh]h wd\b\Ze_glZ ^hau ]ZffZ-baemq_gby
Ijh\_^_ggu_ bkke_^h\Zgby iha\heyxl k^_eZlv ke_ ^mxs__ h[s__ aZdexq_gb_ ih jZ[hl_ h[ke_^m_fuc mqZklhd l_jjblhjbb hl\h^bfhc ih^ ijhba\h^kl\h [_g aheZ :H ©Dmc[ur_\:ahlª khhl\_lkl\m_l wdheh]bq_ kdbf lj_[h\Zgbyf ih we_dljhfZ]gblguf b bhgbabjmx sbf baemq_gbyf H^gZdh g_h[oh^bfh ij_^mkfhlj_lv f_ju ih g_^hims_gbx k\h[h^gh]h ^hklmiZ i_jkhgZeZ :H ©Dmc[ur_\:ahlª b gZk_e_gby ] Lhevyllb \ ahgu EWI gZ l_jjblhjbb mqZkldZ
***

Ij_^klZ\e_ggu_ bkke_^h\Zgby ijh\h^bebkv khljm^ gbdZfb Zll_klh\Zgghc gZmqgh-bkke_^h\Zl_evkdhc eZ[h jZlhjbb GBE- ©
M>D

/.36

Hkh[_gghklb\aZbfh^_ckl\bydZj[Zfb^Z kbg_jlgufbp_igufbfhe_dmeZfb
:<:jlÊfh\KYKZ^b\kdbc

:JK?GBC <:E?JV?B
Ba\_klgh qlh \ jZkl\hj_ \ ijbkmlkl\bb bg_jlguo p_iguo fhe_dme Zkkhpbbjh\Zggu_ gbadhfhe_dmeyjgu_ kh_^bg_gby kihkh[gu ^bkkhpbbjh\Zlv \[ebab p_ighc fhe_dmeu k h[jZah\Zgb_f g_Zkkhpbbjh\Zgguo kh_^bg_ gbc > 2]. Wlhl ijhp_kk fh`_l [ulv ij_^klZ\e_g \ \b^_ ke_^mxsbo jZ\gh\_kguo ijhp_kkh\ K0 (1) n GFK (GFK 3
GFKGFKGFK PF GFKGFK (2) GFK -- gbadhfhe_dmeyjgh_ kh_^bg_gb_ PF -- p_igZy fhe_dmeZ DhgklZglu D b Do jZaebqZxlky gZ ihijZ\hqguc dhwn nbpb_gl D bf_xsbc kfuke dhgklZglu jZ\gh\_kby
(

GFK

3

+

K

*



Dhwnnbpb_gl D mqblu\Z_l \ebygb_ gZ dhgklZglm ^bk khpbZpbb gbadhfhe_dmeyjgh]h kh_^bg_gby ^h[Z\hd bg_jlguo p_iguo fhe_dme AZ\bkbfhklv \_ebqbgu D hl iZjZf_ljh\ khklhygby kbkl_fu hibku\Z_lky mjZ\g_gb_f
lnK = C1/(C1 + C2) â ln[(C1 + C2)/(C1 + zC2)] + C2/(C1 + C2) â ln[z(C1 + C2)/(C1 + zC2)] ­ C1/(C1 + nC2) â ln[m(C1 + nC2)/(mC1 + znC2)] ­ nC2/(C1 + nC2) â ln[z(C1 + nC2)/(mC1 + znC2)] ­ C1/(C1 + C2) â ln[C1/(C1 + C2)] ­ C2/(C1 + C2) â ln[C2/(C1 + C2)] + C1/(C1 + nC2) â ln[C1/(C1 + nC2)] + (4) nC2/(C1 + nC2) â ln[nC2/(C1 + nC2)]

D* = Do D

(3)

]^_ K1 b K2 -- dhgp_gljZpby gbadhfhe_dmeyjgh]h kh _^bg_gby b p_iguo fhe_dme khhl\_lkl\_ggh n --qbkeh fhe_dme gbadhfhe_dmeyjgh]h kh_^bg_gby \ ZkkhpbZl_ z = r2/r1; r1 b r2 -- qbkeh f_kl \ d\Zabj_r_ld_ aZgyluo fhe_dmehc gbadhfhe_dmeyjgh]h kh_^bg_gby b p_ighc fhe_dmehc khhl\_lkl\_ggh m -- m\_ebq_gb_ qbkeZ f_kl d\Zabj_r_ldb aZgyluo fhe_dmehc g_Zkkhpbbjh\Zggh]h gbadhfhe_dmeyjgh]h kh_^bg_gby ih kjZ\g_gbx k Zkkh pbbjh\Zgguf Ih^jh[guc ZgZeba mjZ\g_gby b _]h qZklgu_ j_ r_gby ijb\_^_gu \ jZ[hl_ >@ GZ jbk ihdZaZgZ aZ\b kbfhklv OQK hl \_ebqbgu J = K1/K2 ijb jZaebqguo agZ q_gbyo z \_ebqbgZ dhlhjZy ijhihjpbhgZevgZ ^ebg_ p_ighc fhe_dmeu [3] WlZ aZ\bkbfhklv dZd \b^gh ba jbkmgdZ bf__l keh`guc ihebwdklj_fZevguc oZjZdl_j < gZklhys_c jZ[hl_ ijb\h^ylky h[tykg_gby g_dhlh juo hkh[_gghkl_c \aZbfh^_ckl\by dZj[Zfb^Z k p_igu fb bg_jlgufb fhe_dmeZfb k ihabpbc ij_^iheh`_gbc h \ebygbb ^h[Z\hd p_iguo fhe_dme gZ jZ\gh\_kb_ \ jZkl\hjZo Zkkhpbbjh\Zgguo gbadhfhe_dmeyjguo kh_^b g_gbc < jZkl\hjZo dZj[Zfb^ b [ebadb_ d g_fm ih kljh_gbx kh_^bg_gby kms_kl\mxl ij_^ihqlbl_evgh \ \b^_ ZkkhpbZlh\ >--@ Wlb ZkkhpbZlu ijb \aZbfh^_c kl\bb k p_igufb fhe_dmeZfb gZijbf_j k iZjZnbgZfb >@ kl_Zjbgh\hc dbkehlhc >@ h[jZamxl ^hklZlhqgh ijhqgu_ Z^^mdlu GZb[he__ ih^jh[gh bkke_^h\Zgu Z^^mdlu h[jZah\Zggu_ dZj[Zfb^hf b ebg_cgufb iZjZ nbgh\ufb m]e_\h^hjh^Zfb k qbkehf Zlhfh\ m]e_jh^Z \

78


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l



L





3

1

lnK

0 z = 10 z = 100 z = 500

­1

­2 10 100 300 500

J


Jbk AZ\bkbfhklv lnK hl \_ebqbgu J = K1/K2 mjZ\g_gb_

JZkq_l ijh\_^_g ^ey kemqZy n b m >Zggu_ jZ[hlu [3]

p_ib g_ f_g__ Z^^mdl fh]ml h[jZah\u\Zlv b ^ebggh p_ihq_qgu_ m]e_\h^hjh^u k dhjhldbfb jZa\_l\e_gbyfb beb pbdebq_kdbfb kljmdlmjZfb gZ dhgp_ p_ib >@ Ih ^Zgguf j_gl]_ghkljmdlmjgh]h ZgZebaZ >@ dZj[Zfb^ fh`_l kms_kl\h\Zlv \ ^\mo djbklZeebq_kdbo fh^bnbdZ pbyo -- l_ljZ]hgZevghc b ]_dkZ]hgZevghc Qbkluc dZj [Zfb^ bf__l l_ljZ]hgZevgmx kljmdlmjm dZ`^Zy djb klZeebq_kdZy yq_cdZ dhlhjhc khklhbl ba q_luj_o fhe_ dme Wlh iehlghmiZdh\Zgguc djbklZee g_ bf_xsbc k\h[h^gh]h ijhkljZgkl\Z \ dhlhjhf fh]eb [u jZaf_k lblvky fhe_dmeu ^jm]h]h \_s_kl\Z < ijhp_kk_ dhf ie_dkhh[jZah\Zgby ijhbkoh^bl i_j_kljhcdZ djbklZeeb q_kdhc kljmdlmju dZj[Zfb^Z ba l_ljZ]hgZevghc \ ]_dkZ ]hgZevgmx =_dkZ]hgZevgZy djbklZeebq_kdZy yq_cdZ khklh bl ba r_klb fhe_dme dZj[Zfb^Z jZkiheh`_gguo ih kibjZ eb b ih\_jgmluo ^jm] hlghkbl_evgh ^jm]Z gZ m]he °. Ijb lZdhf ihkljh_gbb f_`^m fhe_dmeZfb dZj[Zfb^Z kha ^Z_lky k\h[h^gh_ ijhkljZgkl\h -- dZgZe \ dhlhjhf b fh]ml jZaf_sZlvky fhe_dmeu ^jm]h]h \_s_kl\Z >bZf_lj dZgZeZ \ madhc qZklb khklZ\ey_l å, Z \ rbjhdhc -- hdheh å. Bf_ggh ihwlhfm dhfie_dku k dZj[Zfb^hf fh]ml h[jZah \u\Zlv ebrv l_ fhe_dmeu ^bZf_lj dhlhjuo \ ihi_j_qghf k_q_gbb f_gvr_ ^bZf_ljZ dZgZeZ LZdhc jZaf_j bf_xl fhe_dmeu g-ZedZgh\ --4,2 å) [9]. Fhe_dmeu dZj[Zfb^Z \ ]_dkZ]hgZevghc kljmdlmj_ dZd b \ l_ljZ]hgZevghc Zkkhpbbjh\Zgu aZ kq_l \h^h jh^guo k\ya_c dhlhju_ \hagbdZxl f_`^m ZlhfZfb \h^hjh^Z Zfbgh]jmiiu h^gbo fhe_dme b dbkehjh^gufb ZlhfZfb ^jm]bo Ijb i_j_kljhcd_ \ ]_dkZ]hgZevgmx kljmdlmjm \ dhfie_dk_ ^ebgu \h^hjh^guo k\ya_c mf_gvrZxlky k ^h å, qlh ^_eZ_l wlm kljmdlmjm wg_j]_lbq_kdb _s_ [he__ ijhqghc < hlkmlkl\b_ \_s_ kl\Z kihkh[gh]h d h[jZah\Zgbx dhfie_dkZ ]_dkZ]h gZevgZy kljmdlmjZ djbklZeeh\ dZj[Zfb^Z kms_kl\h\Zlv g_ fh`_l [9]. H[uqgh ijhp_kk \aZbfh^_ckl\by dZj[Zfb^Z k g-ZedZgZfb kqblZy _]h km]m[h nbabq_kdbf ijhp_kkhf >@ aZibku\Zxl \ \b^_ K mNH2CONH2 + nCnH2n+2 dhfie_dk Z^^mdl (5)

H^gZdh ijb lZdhc aZibkb ijhp_kkZ g_ykguf hklZ_lky \hijhk h lhf dZdbf h[jZahf fhe_dmeZ g-ZedZgZ beb ^ebggZy g-ZedbevgZy ]jmiiZ ihiZ^Z_l \ dZgZe b h[jZam _l dhfie_dk ]_dkZ]hgZevghc kljmdlmju Ij_^klZ\blv wlhl ijhp_kk dZd nbabq_kdh_ \aZbfh^_ckl\b_ g-ZedZgZ k dZgZehf \ ]_dkZ]hgZevghc kljmdlmj_ g_l hkgh\Zgbc \hi_j\uo ©k\h[h^ghcª ]_dkZ]hgZevghc kljmdlmju dhf ie_dkZ \hh[s_ g_ kms_kl\m_l wlZ kljmdlmjZ h[jZam_lky \ ijhp_kk_ kZfh]h dhfie_dkhh[jZah\Zgby Z l_ljZ]h gZevgZy kljmdlmjZ g_ bf__l dZgZeZ b \h-\lhjuo gZ g_\hafh`ghklv h[jZah\Zgby dhfie_dkZ aZ kq_l g_ih kj_^kl\_ggh]h \oh^Z fhe_dme g-ZedZgZ \ dZgZe ]_dkZ]h gZevghc kljmdlmju ^Z`_ _keb [u wlZ kljmdlmjZ kms_kl \h\ZeZ \ jZkl\hj_ mdZau\Zxl wdki_jbf_glZevgu_ j_ amevlZlu ihemq_ggu_ ijb bamq_gbb kZfh]h ijhp_kkZ dhfie_dkhh[jZah\Zgby LZd \ khhl\_lkl\bb k >@ \_eb qbgZ OJK \hajZklZ_l k m\_ebq_gb_f qbkeZ Zlhfh\ m]e_ jh^Z \ fhe_dme_ g-ZedZgZ jbk H^gZdh ljm^gh ij_^ iheh`blv qlh q_f [hevr_ ^ebgZ p_ib g-ZedZgZ l_f \ur_ \_jhylghklv _]h ihiZ^Zgby \ dZgZe ]_dkZ]hgZev ghc kljmdlmju dZj[Zfb^Z Kdhj__ \k_]h ijb lZdhc bg l_jij_lZpbb oZjZdl_j wlhc aZ\bkbfhklb ^he`_g [ulv h[jZlguf >ey h[tykg_gby ijhp_kkZ dhfie_dkhh[jZah\Zgby \ `b^dhc nZa_ f_`^m g-ZedZghf beb ^jm]hc p_ighc fh e_dmehc b dZj[Zfb^hf ij_^eZ]Z_lky qbklh l_jfh^bgZ fbq_kdbc ih^oh^ hkgh\Zgguc gZ ^_nhjfbjh\Zgghc j_r_lqZlhc fh^_eb B Ijb]h`bgZ >@ < khhl\_lkl\bb k wlbf ih^oh^hf m\_ebq_gb_ dhwnnbpb_glZ D k jhklhf qbkeZ Zlhfh\ m]e_jh^Z \ fhe_dme_ g-ZedZgZ m\_ebq_gb_ ^ebgu p_ib fhe_dmeu fh`_l [ulv h[tykg_gh qbklh wgljhibcguf nZdlhjhf -- k m\_ebq_gb_f ^ebgu p_ib

2

lgK

1
1

2 3 4
0 8

Qbkeh Zlhfh\ K

12

16

Jbk AZ\bkbfhklv lgK hl qbkeZ Zlhfh\ m]e_jh^Z \ fhe_dme_ g-ZedZgZ ijb jZaebqguo l_fi_jZlmjZo [8]:
1 -- 273 K; 2 -- 298 K; 3 -- 313 K; 4 -- 323 K

79


: < :jlÊfh\ K Y KZ^b\kdbc


\hajZklZ_l qbkeh \ZjbZglh\ jZkiheh`_gby g_Zkkhpbbjh \Zgghc fhe_dmeu gbadhfhe_dmeyjgh]h kh_^bg_gby \ gZr_f kemqZ_ dZj[Zfb^Z \[ebab p_ighc fhe_dmeu Ijb wlhf oZjZdl_j aZ\bkbfhklb OQK hl z \ hij_^_e_gguo bgl_j\ZeZo wlhc \_ebqbgu kh\iZ^Z_l k oZjZdl_jhf aZ\b kbfhklb ijb\_^_gghc gZ jbk 2. < k\yab k \ur_baeh`_gguf gZf ij_^klZ\ey_lky \ha fh`guf jZkkfZljb\Zlv ijhp_kk \aZbfh^_ckl\by f_`^m dZj[Zfb^hf b bg_jlghc p_ighc fhe_dmehc g-ZedZgZ dZd khklhysbc ba ke_^mxsbo hkgh\guo klZ^bc 1. < jZkl\hj_ fhe_dmeu dZj[Zfb^Z gZoh^ylky \ \b^_ ZkkhpbZlh\ h[jZah\Zgguo aZ kq_l \h^hjh^guo k\ya_c f_`^m ZlhfZfb \h^hjh^Z Zfbgh]jmiiu h^gbo fhe_dme b dbkehjh^gufb ZlhfZfb ^jm]bo fhe_dme Mijhs_ggh wlhl ZkkhpbZl ij_^iheZ]Zy khojZg_gb_ l_ljZ]hgZevghc kljmdlmju \ jZkl\hj_ fh`gh ij_^klZ\blv \ \b^_

(NH2)2CO

(NH2)2CO

(NH2)2CO

(NH2)2CO

2. <\_^_gb_ \ jZkl\hj p_ighc fhe_dmeu g-ZedZgZ ijb\h^bl d jZajmr_gbx qZklbqghfm beb iheghfm \h^hjh^guo k\ya_c \ ZkkhpbZl_ b h[jZah\Zgbx \[ebab wlhc p_ighc fhe_dmeu g_Zkkhpbbjh\Zgguo fhe_dme dZj[Zfb^Z
(NH2)2CO (NH2)2CO + (NH2)2CO (NH2)2CO
p_

4. Hjb_glZpby fhe_dme 1+2)2&2 \[ebab p_ib kgh\Z ijb\h^bl d h[jZah\Zgbx \h^hjh^guo k\ya_c f_`^m fhe_dmeZfb 1+2)2&2 Ijb wlhf kZfZ p_iv hdZau\Z_lky hdjm`_gghc wlbfb fhe_dmeZfb fhe_dmeZ g-ZedZgZ jZk iheZ]Z_lky \gmljb dZgZeZ b ZkkhpbZl ihkljh_gguc lZdbf h[jZahf bf_xsbc dZd mklZgh\e_gh ]_dkZ]h gZevgmx kljmdlmjm ih-\b^bfhfm aZ kq_l ^hihegbl_ev gh]h \aZbfh^_ckl\by _s_ ^\mo fhe_dme 1+2)2&2 \ ehdZevghf f_kl_ p_ib [m^_l hlebqZlvky hl bkoh^gh]h ZkkhpbZlZ 1+2)2&2 Wlbf b fh`gh h[tykgblv mf_gv r_gb_ ^ebgu \h^hjh^ghc k\yab hl ^h å \ ]_d kZ]hgZevghc kljmdlmj_ ih kjZ\g_gbx k l_ljZ]hgZevghc kljmdlmjhc ZkkhpbZlZ \ jZkl\hj_ JZkiheh`_gb_ g_Zkkhpbbjh\Zgguo fhe_dme (NH2)2&2 \[ebab p_ib b ihke_^mxsZy hjb_glZpby wlbo fhe_dme fh`_l ijb\h^blv d baf_g_gbx kZfhc p_ib -- hgZ klZgh\blky [he__ hjb_glbjh\Zgghc b f_g__ ih^ \b`ghc Bf_ggh wlbf ih-\b^bfhfm b fh`gh h[tyk gblv j_adh_ \hajZklZgb_ jZaju\gh]h m^ebg_gby p_eex ehaguo ie_ghd ihemq_gguo ba \ukhdhdhgp_gljbjh\Zg gh]h jZkl\hjZ \bkdhau kh^_j`Zs_]h ^h[Z\db dZj[Zfb ^Z jbk 3.). Ijhp_kk \aZbfh^_ckl\by dZj[Zfb^Z k p_igufb fh e_dmeZfb [ue lZd`_ wdki_jbf_glZevgh bkke_^h\Zg \ \h^guo jZkl\hjZo 1+2)2&2 kh^_j`Zsbo ihebwlbe_g]ebdhev k hlghkbl_evghc fhe_dmeyjghc fZkkhc b

igZy fhe_dmeZ

>ey ihemq_gguo jZkl\hjh\ baf_jyeb \yadhklgu_ oZjZdl_jbklbdb J_amevlZlu wlh]h bkke_^h\Zgby ijb\_ ^_gu gZ jbk \ dZq_kl\_ \yadhklghc oZjZdl_jbklbdb bkihevah\Zgh \j_fy bkl_q_gby jZkl\hjZ 1+2)2&2 q_j_a dZeb[jh\Zgguc dZibeeyj DZd \b^gh ba ijb\_^_gguo wdki_jbf_glZevguo ^Zgguo aZ\bkbfhklv \yadhklb jZkl\h jh\ hl khhlghr_gby dhgp_gljZpbc dZj[Zfb^Z b ihebwlb e_g]ebdhey ohjhrh kh]eZkm_lky k \b^hf ijb\_^_gghc gZ jbk aZ\bkbfhklb OQK hl P Wlh ih-\b^bfhfm _s_ jZa
3,7

(NH2)2CO

(NH2)2CO

(NH2)2CO

(NH2)2CO

JZaju\gh_ m^ebg_gb_ ff

y\ey_lky kemqZcguf Ba\_klgh > @ qlh jZkiZ^ Zkkh pbZlZ b h[jZah\Zgb_ g_Zkkhpbbjh\Zgguo fhe_dme gba dhfhe_dmeyjgh]h kh_^bg_gby \[ebab p_ib beb ih\_jo ghklb h^gh\j_f_ggh fh`_l khijh\h`^Zlvky hjb_glZ pb_c wlbo fhe_dme hlghkbl_evgh kZfhc p_ib beb ih \_joghklb
(NH2)2CO (NH2)2CO

g_Zkkhpbbjh\Zgguo fhe_dme 3. JZkiheh`_gb_ (NH2)2&2 \ [eb`g_f hdjm`_gbb p_ighc fhe_dmeu g_

3,5

3,3

3,1

D: D: dZj[Zfb^

D: D:
(NH2)2CO ]/ ] 0,2 0,3

(NH2)2CO

(NH2)2CO

D:

--

Jbk
80


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l L 3


*** 1
260



340

2
256

:\lhju \ujZ`Zxl ijbagZl_evghklv ijhn_kkhjm WN 1.

336

332 20 40 60 80 200

252

2.

(NH2)2CO:

IW=

3.

Jbk AZ\bkbfhklv \yadhklb \h^guo jZkl\hjh\ (NH2)2CO, kh^_j`Zsbo ihebwlbe_g]ebdhev hl fhevgh]h khhlghr_ gby (NH2)2CO b ihebwlbe_g]ebdhey IW=

4. 5. 6. 7. 8. 9. 10. 11.

EBL?J:LMJ: = 1DWXUIRUVFK $ 6

FIW=

: 1 -- 5000, 2 -- 20000

ih^l\_j`^Z_l ijZ\bevghklv \ukdZaZgguo ij_^iheh`_gbc h \ebygbb ^h[Z\hd p_iguo fhe_dme gZ jZ\gh\_kb_ f_`^m Zkkhpbbjh\Zggufb b g_Zkkhpbbjh\Zggufb nhjfZfb gba dhfhe_dmeyjguo kh_^bg_gbc Ijhp_kk dhfie_dkhh[jZah\Zgby dZj[Zfb^Z k p_igu fb iZjZnbgh\ufb m]e_\h^hjh^Zfb fh`_l [ulv bkihev ah\Zg ^ey jZajZ[hldb f_lh^Z \u^_e_gby dZj[Zfb^Z ba klhqguo \h^ ijhba\h^kl\Z k ij_^\Zjbl_evguf dhgp_g ljbjh\Zgb_f beb [_a wlhc klZ^bb kf ko_fm

Q_jgh`mdh\ G B L_ogheh]by i_j_jZ[hldb g_nlb b ]ZaZ Q F Obfby k --235. Ijb]h`bg B >_n_c J Obfbq_kdZy l_jfh^bgZfbdZ F GZmdZ k :jl_fh\ : <

1352. Shukla Abhay, Isaacs E.D., Hamann D.R., Platzman P.M. Phys. Rev. B., 2001, v. 5, p. 052101/1--052101/4. Hof Fraser, Craig Stefen L., Nuckolls Colin, Rebec Julius. Angew. Chem. Int. Ed., 2002, v. 9, S. 2489--2508. Fukao K., Miyaji H., Asai K. J. Chem. Phys., 1986, v. 11, j --6368. Casal H.L., Cameron D.G., Kelusky E.C., Tulloch A.P. Ibid., 1984, v. 81, p. 4322--4327.






KlhqgZy \h^Z kh^_j`ZsZy dZj[Zfb^


KlZ^by dhgp_gljbjh\Zgby

KlZ^by dhfie_dkhh[jZah\Zgby

JZkl\hj iZjZnbgh\h]h m]e_\h^hjh^Z

KlZ^by jZaeh`_gby dhfie_dkZ
KlZ^by jZa^_e_gby klhqghc \h^u b dhfie_dkZ Hqbs_ggZy hl dZj[Zfb^Z klhqgZy \h^Z

Ko_fZ

81