aecx yx eep e oec peo eocpe. ec oca pepe cceo oee exoo oe poocex cp ypox oox cax ep . apoa ayo ocoa apa o e oopye, a pec o, a ocpo-. papoa ca oa p oop ceo pec pooa, po, pycapa op. pyyp pox oyo p opoe , ocx px cpoea aa, op , a p cecoae p opax oyo, epe xocx ap a epe p ae , xooy ya: xooec p, ec ooc pea. paoao pa xx pa pa y p ece c , ye a papoaa ox aao , paye e ey paca xooce pp oaa, oce pe poa xoe cya .

aa, yee, cpe oeca pee ayxe epayx pope ypeo eoyypye oyxo, yp c, ae ooo eo, ocea pea eex. pyae , p xo oecea pea (peec oxo) p ypoc apo a po d = 0,225 d = 0,2 d = 0,18 d = 0,16 d = 0,14 d = 0,12 d = 0,1 ? /b R. . /R 11 180 260 ( pacce 230 310 ) o x e eoo aepo.

o peya epax cca exocx peco yccy epax pec (c aoee) epao yao epao oyopoae epa ayo . ccoe ooo 15-ao , p oe 14- ocx 811 ooe ap e pppoa epa p ap 225 yo . a 15- a ox 812 oe apye epoppoa pa pec aa, ope pe ea xoeo .

p epyp p ypx epxx oe opy, xpo- epap (24 ). epe x pc o . eooo a q (/2), poo epe pepae, pcca opy q = k U, (1) 12 k =2,7 /2 ? po oe, U ape , . epece cpe peo o opao 25380 oopye. ee , poxox opae opy. o opeecx pex epayp pe 15 %.

exoo pooca p o oox , oop - 100 600 epa opo aaa opo- ox opee, o pooe poo pao cae p paoo . pe pa yeaec 25 11 cy p ae 400 3 ce pae pye oc, opoy o cpyy oepe y oexece pep. peeo po oyaoc eex oe ceae , apy execo oyae , a ee oepa yee eocx xapaepc oope, eayec 5- .

aoaa eoa opx, cpyxc ae . ya apo p ayae p: eee ppc opy; opax ocpy p a ; ooc cye paop a - cyecoo ye ox oae oox apy ce cpe apa 60%; ycpo x p oopox ooc cyeco pc acy ocpy 20% pxo ep ooe p yaa .


100 150 200



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