$..$

CF$17$

$"6.$ Bug g$$ter$$n $40,2$ polat turbany$($diametri $2,067$ ini we diwary$$ galy$$lygy $0,154$ in$)$ adaty tertip, $2\%$ dykylyk bilen $$rt$$len $85\%$ magnezi$$a bilen izol$$asi$$a edil$$r$.$ Heatylylygy$$itgisini $$akla$$ turbany$$ i$$ki $$zi $250$ bolsa, turbany$$ her a$$agy $$in sagatda

$$

F we dykyny$$ da$$ky $$zi $90-$da

$$

F$.$ malylylyk ge$$irijiligi $($Btu $/$ sagda$)$

$$

F$)$ degi$$li maddalar: polat, $26\mathrm{.}1$; $85\backslash \%$ magnezi$$a$,0\mathrm{.}04$; dyky$,0\mathrm{.}03.(10\backslash \%)"$