1、2 l 1 9 9 8 M2*JO U R N A L0 F R E MOnr E S E N S IN GV o . 2 , N o . lFe b=1 9 9 8B R D Fv Y l l(S S* l()(+)I)K1 *1 p* v iJBb v iJn51 Z_Q ( )+,7 * 1 B b 7 , MO DI SVn/ I nVB R D Fb 7R l 5bv E V E l , E 4 T“ V ? f bV l i l Hqb1oMB R I)F,v iJB, l 1 I nVB R D Fv * 4v Q VVrv . VZ_Q f qnPtob= p + YcRcTa
2、BIcp Nr/ (lBO) (l) |Dq1 , il:Pto : :. v 4Q q;p :; v ,_. Z_ Q q;t d d :; ,iv . q;, :VQ ,iv r. . q;V:V ;_ %v Q ;R : :V oQ q( ) ;TB, TaR5sY v /_. , _. VZ_Q :T _ =q, 4Z_ o (,O5 B R D F o (bTv H,Y L v . (p , t) (X, pbb 4b 4R,cB=_Q OdVB R D F3 (,B 4 bVB R D F OB4p toa f /, V 1 , ?LV uV,V7|v Ye:P tm,a P d
3、dTBIT Emr+ j/Y(2 ) I2 x 2 ,V(2) T VV uLQ q; :P:arbBPmBdB V(Pt.B) + T _ d(3 )T EBl: DcB R D FRB, Z_bb p;, EVB R D Fb E9 V uL VMv12b ny#sb2 uL/v s; i=OdOBObnO Ia ,: XT d, /SdfV U (Z_B o), fdV U ( oBZ_)b,b Z_ oQ (,(2) T9(I)v / VVr, - , (l) T4 , | VrB Od3 f,:ObBObBOfnuBOdBO,Rb-l : 19 9 75B7l l: B R I) F
4、v Y l OBOb i(l ) Ts0= 5. ,lB3. b / | =eVr TbV7(1) T V:_OdcYcI. TaBTBRnYPto aB dBlB Vc(OdBO)(4 )(PlobBp 0c(l + p 2O) + T _cRc d2 )b:wV1IOd l=l _ . _a ;= RBOd . Kn.OOLdOd J | V U(2, 2) ,V U C(2 ,B R D F pBB R D FZOd VbBTBIc d(3) TM1 , V ?bbBp VcO ET _cYRcYBBbB) + T _cIc d(5 )Pbb)bBP d dT _TacrnlBrnJ (
5、7 )=OdZ VBQB R D F iJB:Pta)aBPa,dBT _T + +1B) Vcw0O1.1R = 1 1LOOx M ,Z(I ) VR=Odc+Rl T,V7:T(5)V , uLv VMv,1+Z_Od ( , |,y7Odvv ( H, ;|Od ,QOdll ( H, ;|Od ,V7 V| uL/v jT L=B R D FB V,Od (W H,l O4Nh, yNTB) bT(4) (Od Of f) V jTOd4 ( , / M,yl, V 9bv (l (Od V|(5) TB OdT _ccTa+ (Pto aBpcp cTBK , Ta+ (LarbB
6、 )KiP (8 ) , VT:Od _ . _aOdj=NB/;.=NB=; r .+ L B)dd9G “ B R D F a,Odv (l (“ , LOY V ,5l7()B *a(9) Jad /|(9) T1“ (8) ( , 0aa.z (cT _ KmT + + (tbbBNd ) CZy.aam9)=a(1 -Ic*(tbB ) + T _ I T + ) (6 )(6) T , V|N)bO ( F ( D3rC l)b3 B R D F l L *4, u, EBB R D F ,MZ_ d#M (+: ,bL a, EdLOd5 9 vMbB R D F/B5 l (1
7、 RJA , ( 10) T VwB R D F/H,V7: +n 5 , O|; TI , H be, : 1)v (l (Z_4, uLv V ?/v,MQZ_( T6) ; 2) u*|TB R D F E, T ( El (,5B R D F l b l | %c ,v =_i;X ( E H, l T 7 Sb*2 4v B R D F E K5, T(l)4 ,Z_OdB R D F (,*mZ_“, mZm + 3, G I m + 3 ;? 1oB aB R D F bL n , * Vn V9 mOd ,# (bV7 P5Mm En b* ,1 5 : ? ? -_B R I
8、)F (sl T T1 ,V7Vp to a EB R D F ;? B Es Z_, T + a ,7 V3 , 4,5 E V, a f /, T(l) T, 4| Es 4,y N,B u , “ t,B 4 4 a V ?b 1 b6BZ ,V E ( l 1Tb, a Z_“ K, “ V ?M (; oHpoQHp , T ? vM7 v 4 HM t MQ,7Y“v 4,N HoHpoQHp ( ?z E4 V ?9() (, E S B5bV ,Pt ,c (,7 ( 9|Y lb7 l Z T, V ?c“B R D Fb1 l f , V ?4 b:TSE1 S49 67
9、105 9# St N A S A SB3 1 3 69 , E SC A P / N A SD AA l)q0 5T “#E C U V E G E T A O N “sb5 ) YVB R D Fv , D2V E B Rb E V *v,V 6BZ 9 ?Z1 qZ_ IDl,$;* $ ,:S, 19 5 ., , l, + .v |VB R D F .*,BS=*)9 .19 9 7 , l (9 ) 18 7B19 1., l,;, + ,Bv ZEBB Rrwv .*, 19 9 6 , 1 1 (2 ): 15 1B15 9 .O n C o n v e r g e n c e
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11、q u ire s d ire e ti o n a lo r em itta n e e o f th e e a rt h s u+e e as th e bo u n d a ry e o n d iti o n o f th e ra d ia ti v e tr a n sfe r Pro ble m .B u t th e ac tu a lre m o te s e n sin ga B R D Ffb a se dre fl e e ta n c e o r em ita n e e c ha r a c te ri sti e s o f th e e a rt h s u
12、d b e e a re w ha ta im s a t. Th is Pre s e n ts as a d e ad loc k . In o s o lv e th e Pro b le m , H uth e q u an ti tai v ee t a l. sug g e ste dC o r C C ti o n lo o P .S hoavH o w e v e r th e c o n v e rg e n c erd e r too f slC h a n ite ra ti o n lo o P 15 to be s tu d ie d . H ue t a l. us
13、 ed sim u lati o n s tosim u la ti o n s . Tnh 15 Pa pe r 15 toth e lo o P e o n v e rg in g . B u tan a ly s e th e o re ti e a lly the lcitm5 n o t e as yO O P 5 Co n V C rg C n C Ce x han s t a ll the Po s sib lean d its e o n d iti o n s .Ca s e SK e y w o r d s B R D F , AFo s Phe ri c e o re eti o n , C o n v e rg enc e
