维普资讯 http://www.cqvip.com P d shr i () 19 16 2 0 eop ee 6 2: 6 — 7 ,0 6 IS 0 206 / N 3-35 P S N 1 0-10 C 211 / - - @ 2 0 ol ce c o it fChn 0 6 S i S in eS ceyo ia Pub ih d by Ele e m ie nd S in e Pr s ls e s virLi t d a ce c e s V_ t c lD i t i ut on and Se s na u t t o fN e a ode e ia s r b i r a o lFl c ua i n o m t Tr phi r ups a fe t d b n s o cG o sA c e y La d U e ME a — a g, OU We , L , I G Y n a dW E h n NG F nXi , i 一 I , JAN o g , n N DaZ o g n 一 , Qi一 , Ke a o ao yo e rsra oo ia oes I si t fAp l dEclg ,Chn s a e fS in e , h n a g yL br tr f T re t l i Ec lgc l Pr cs, n t u eo pi oo y t e i eeAcd my o ce cs S e y n 10 1 C in . - i m}@nno o, 1 0 6( hn ) Ema lif . vc h g n 。 rd aeSh o o eC ieeA a e f c ne, e ig1 03 C ia G a u t co lf hn s cdmyo i cs B in 0 9r hn) S e j 0 (ee e co e , 0 5 rvsdJn ay1 , 06 R ci dO tb r 20 ;e i a ur 8 20 ) v 8 e A BS TRA CT A ed i v s ia i sc ndu t d a heSh ny ng Ex rm en a t i fEc l g ,Chi s a my o in e , i f l n e tg ton wa o c e t t e a pe i t lS aton o o o y ne e Ac de fSce c s i n a uc rw lo o t e s C iau d r he n s p s( o l d a a d n d co ln , n o da d n n a q i b o n s l f r at h n n e rel d u et e c pa , b n o e rpa d a d w o ln )i o N h t a y r n o de oe alat r rt v u ewhe h rt eve tc s rb i n a e s n uc ua i n f h um be ft t m a od san r phi t e h rial ti uto nd s a o alf t to ort e n di l ro o al ne t e d t o c g ou o l e e t s le o ys e fe e esan o de e m i e t e r l t on h p t e oi h m i a r r ps c u d r f c oi c s t m di r nc d t t r n h e a i s i s be we n s l e c lp ope t e nd s i l c r isa o l n mao e.Th j r yo oln ma o e r rsn nt eO 2 m ola es a d frt ee ln s y e ln e td s ema oi f i e td sweep ee ti h — Oc si ly r. n o h s a d ue tp spa t t s p a ie r h o t ab da t t o ar st s we e t e m s un n r phi r u c g o p. I he a nd e r l n t um b r l n r st s r a h d a n t ba on d c op a d he n e sofp a t pa a ie e c e pe h ug s a pln a e akon t eA u ts m ig d t ,wh r a hec o an nd woo a a e n t c o rs m pln a e e e t r pl d a s dlnd pe k d o heO t be a i g d t .M e whi an l e , l l a s yp st m be o a e a ode ,ba t rv e ,p a tpa a ie ,a d nior spr da o swa ga i l n all nd u et e henu roft t