WWW.DISSERS.RU


...
    !

Pages:     | 1 |   ...   | 11 | 12 || 14 | 15 |   ...   | 25 |

Opa eape. eyoo-e cpo, po e p oye oa 10100 p, oycoe ocoo paoyceoc ooo ea. B cyae ocpoo oaoo oye paoyceoc opacae ceye ope: ooc pa, , ce ee, eo, eyo, pa oooa , oeyoa eea ee.

Cepeo-cocyca ccea. B cepeax a ax o oapyeo, o aoee paoycee apy co cocyco ce -a cooo coepa e oepeoo epepoe oaea ea coeeo a, oop oeceae oee capye oopo y. oaaeo, o epe 4 5 ece oce oye eoope cocy oaac ooc e ee ooo. pe oe e ye p oax 415 p o oapyeo oceyee yeee occaoe cocyo.

p cceoa cepa oapye eocpecee oaee ee oape oce oaoo oye oa 510 p. oye ae ae o aeo paoyceoc eooo co, caeo ype oooy cepa cop aao, o cococoao opaoa ypeyoox poo epe ooa oce oaoo oye oac cepa e oa opa 20 p.

ope ee. e opx ee cooceapoa eeo ec. ooy peoaa, o aaee oce oeo oye apye aaca opoo, ocoeo oo ee, aoeo oa, oy cece pea oaao-oapo cce, aoe aaee oopo pey eeax y opaa (eeoc ypex opao, ee, cocyo).

Opa ee. Ca, o o ocaoo yco oye, o eo x opee c opaee oye oyxoe po ooc p yeo epa. Oyee oex oe oo, oe 30 p, a 5 ee oe a ee xpoec ep c ea cxoo. Mexa opae cao ye, oao eco, o eo paaoe c po cepe ocoe yeo epa.

oc cyxo. B eee ecoo poca oc xp oee paoyce. oce eo ooa oyee po oepe yaco oc oceoepoy ooe coax epeoo oe oye. py poee paaooo opae ec aeeoe aee epeoo ae opaoae ox cycao.

M. B ax eooo ooe o e pocxo. cceoa oaa, o ocaoo yco oye. Caa ea apo a oapyea oo p oax opa 60 p.

Oe, o a ec o, a o oyee oa o, .e. oepac oye ao-o opa ce eo. O o 35 p p oye ceo ea ypae pepo ooa cex oyex eee ooo-yx ece cece opae eo ocoo oa. oae o, oyce p yeo epa oyxoe, oy aeo e.

Ee oo aeae. Paoyceoc opeeec, a pao, o ooe ocpoy oye, po oopaoy. ooy oyaec, o cce, cocoe cpo ooxc eo, oee paoyce.

A o, ec oyee ec xpoec, .e. eoe e p ocoo oeo oe Toa a pa cpo ooec e e yy co peapoa a o o, a ao exc coce e exc eo oa, oopy o apa eee eoo pee, ye cooecoa o e oe p ocpo oye. oyaec aoopo, o o cyae oee y e opa a, oope cac oee paoyce. oeo, o pocxo p opeeeo ooc o. cceoa paoyceoc o cyae o e poo, ooy ae peooee, xo oo coepeo oeo, ocaec oo peooee. Oao aoe cceoae ocpo eoxoo, a a o eo ac opoe ox c e, yex ycox oeoo paaooo oa.

po o. Haoee cepee ocec oye e o o pe poo, aepa pa, aoa ox ae opao ea, ooee oyxoe epe o .

e ooo 50% poo oae, ec oa oye ocae 1 p epe 24 aca oce aa. po eeeppye e o aa. Be po oo paac ooceo opao.

B epo oppoa opao oyee ae ypypoy e e cpay oce poe.

50 ypypoo e e cocae 11,5 p epo paeo oppoa opao, a apoeoy ocae 7 p. Oyee a ca oppoa opao po coo cepoc cpay oce poe. poe oo, oyee oo 1 p oe oce aa ae opo pa y 100% ooca, o ee a coo e aeece o poco coco.

Aoa oy pac o cex aex opaax ax ea. Xo caec, o apoe epo oee coa, oo aa eoope pocoece opee p oe 1 p.

Ec cypoa cepeae ae, oo cea o, o o pe epeeoc eoax oyee oo 0,5 p po e poo p aa, opoa pa p oppoa opao, oepe eo eopa ae apoe epo. oee oo, eoope cepe oaa yeee oeca opoo p oe 0,1 p, ooy ca, o e cyecye opooo o, e oopo oyee e ao aoo ea eoax. B apyeo epaype o 1986 . , apep, pee ae p eoea: oyee poa apoa oo 0,05 p eee pex epx ece epeeoc oe ye pepacooeoc pay 10 pa.

poc ae oaaeca oo, o ypypoa aoca c cooae peeocoo ye oax 0,0020,200 p oe a pae oyxoe y ee.

Eoo e cpe ceaco e, o oe aoae eyapoe oe ocyec opo a poeccoa ec oyee e.

PAOH B OPAHME EOBEA B oe o eeo oye oacoc paoyo, oax yp opaa, oycoea cey pa. epa cocooc eoopx yo paeo aaac oex opaax, aaex pumuecuu (apep, o 30% oa aaaec oo eee, oopa cocae oo 0,03% acc ea), , a opao, oaa co ep ooceo eooy oey a, coaa coe oae o ye.

pya pa aeoe pe oye o oea ee ya opaa yee aoc cece paoaoo pacaa ya. B aoee oe cyae coeao acoc ee paoyo opaa oyc oe emuoo nepuoa noyeeu yua opaa:

TT1/ 2, T = T + T1/ e epo oyee, epo oypacaa.

T T1/ Tpe pa coa oacoc oec ooopyx aa- ea-ye, oope ecyece p ee oye cece o poae cocooc. Paoy oaa opa epe opa xa, eyoo-e pa oy opee e. Ooee opae yo, oaax epe opa xa, a pao, e, e p aaa. coee epe eopeey oy 200 300 pa ee, e epe eyoo-e pa. Too oc p, a ae pa ypaa oo oa eo poa epe oy cacac po.

oepa ya, oaaeo pec opa ocaeoc e eoopoe pe, eec pox peeax. o oycoeo pae ppoe yo acoc o xeco op (apep, pacopo epacopo coee axoc y), a eooo y paepo apoox ac. B oe cyae coaco peoea MP paceo paec aep apooe 1 ceyee pacpeeee xaeoo eeca: xaec 35%, ocaaec epxx xaex yx 30%, ocaaec aeoax ex 25%, ooo 8% oaaec paxex.

ooece epo oyee yo pecx opao ae coca o eco cyo (p, yepo-14, ap-24) o ecoeoc (ooe ycoee cpo-90, yo-239).

o xapaepy pacpeee yo opae e p py paoyo: oeppyec ocx (p-90, cpo-90, yo-239 p.), ee (oo-210, ep-144 p.), o ce ee (p, yepo-14, e-137 p.).

p cyao oaa paoyo opa oacx oecax pa ae ep, pecye ooe yo ycope x eee. Boepx, exaecoe yaee ya, .e. poe cpeca, oopoe poae eya ea, aa acopeo yo, ooe e; ap-24, e137 p pe eo oooo paae. Boopx, pe eo aee oecoopaoa: pa-226, cpo-89, cpo-90, ap-90, ap-140 coy cya ap, oa a, xopc a, xopc ao; oa-131 oa135 coy ca aao e oo aco aeo ocoo a.

Paoy ey ce a e, a x cae aao. O cya e e xece coee yacy ex e oex poeccax. ayypyc o ex e opaax ax.

Paoy, oae opa eoea, aa uopnopupoau. p opoppoa paoyo c epoo oypacaa oee 10 e a ep a cyae x xeca ococ, paoyo c epoo oypacaa, pa 10 oa, poec pao epe paaoa xeca ococ, a paoyo c epoo oypacaa eee 104 103 e peyeceo paaoa, a xeco ococ ye a ooe e poec. Oao cceoa o xeco ococ cax ep, opayxc peyae pacaa paoyo, e.

Hapep, coo ooec a e pepaaec oce pacaa ap, oop opaye xec oce co (a cee cyaa ap).

B oe o ea- aa-yaee ocooe oece aa-yaee e oo e cae coe eoc o cpae c oopa oece, o pe cyae oaaec oee e. o po coo eoc yex opee p eo oec aa-yaee. Oao o eo, a a oax cceye ooec ea : pooeoc , acca ea, 50/. Oeo, o oee oe ooece e, ae, a pae aoo, paoe oyxo pye, oy e y acoc o eoc ecoc oaa paoyo opa.

ECTBE HOPOPPOBAHHX PAOHOB HA OPAH TAH Teep pepo o e ope, oopo paccapa ece eeo oye, paccop ece opoppoax paoyo a pae opa a.

oa, o ooco. Oyee paoya oo pacpocpaec a ce ca o opaoa apoa o opaoa oa, o oae oacoc aoo oye. B o cyae p aae ec paoyo ceye ya: 1) x ecoe xecoe cocoe; 2) xapaep pacpeee opaax aep, oa, aee, ypo epexoa c ooo; 3) xecy opy ooo coee; 4) y p ee; 5) opac oa p ocye paoya; 6) ooo, eo opac; 7) ypoe ooc aex o, oope oy aaac ax aep oa.

Ee pa oepe, o peya ae o oec ex coo opyx ye e exaec epeoc a paoy, a a x pacpeeee ece ac o coc paoya, eo xeco op, a ye eo ep, a ae ypo epexoa epe aeap apep.

Paoy oy paeo aaac, po epaoepoc oye. ocop-32 cpo90 eo epexo aepcoo opaa o, a opeee poa cece poo oye ae oa. B o e pe yo-239 aepaec cocyco a ae oa, a eo e p cox oax cece opee ae.

Beee epee ea epaeeco o oa-131 (185 M), coyeoo o eaeo pee ee, coaao oo eee oa oy oye 65 p papyao oy eey.

Ho aoee yce, a p ee oye, oa. opaee apoex eo ceeo oeeo p ee oa-131.

Bo cex cyax oeo yceoc oaa e, axoec a pax cax copea. Cacec aoe copaee ca ax eo o oeeo cepeax a ax oce ee cpo-90 oece 11 .

B oaee cpo y cao e, aep oopx a 19-e cy epeeoc oya e cpo-90 oece 46,1740,0 , paac apye pepoyo y, yeaoc oeco ox oee, aac po oyxo ypeeo co eo, cax . acoa ooe oyxoe o opacaa c yeee oeca ooo cpo-90 eeo.

p yppo ee yo-238 oece 185 a 1 acc oox ox eo cee yoao aoc oa, a ae pae eeepao-cepoecx ee, poe paey eco. epe pa yee y oa oapyac ye p oce cyapo o ax 0,08 p, ceeax 0,13 p.

Ccea ox opoo. Peya cepeo oaa, o epaoepoe oyee o oaae eee aepoeoe oece, e paoepoe. B acoee pe ec oo epecx cceoa, peya oopx e oe pec -a x ce, peye x oce. ooy opac y pepa.

B cyae ooo aa cex yco aepo 410-3 , coepax cpo-90 oecax 18,5, 37 74 , oyxo, peyeceo capo, oapye cooeceo y 45, 57 66% pc. aa-yaee ee e paoaoc aeo e.

Pages:     | 1 |   ...   | 11 | 12 || 14 | 15 |   ...   | 25 |



2011 www.dissers.ru -

, .
, , , , 1-2 .