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13
1. .
2.
3. t.=-260 t¢01=1500C t¢02=700. t.=160.
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14
1. .
2. .
3. , . 750 k=0,5.
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15
1. .
2. . .
3. t=750, d=125 w=0,4/. k=0,5.
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16
1 .
2. .
3. t=750, d=150 w=2/. k=0,5..
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17
1. .
2. .
3. 1 d/d=273/259, t0=100C. w=6/.
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t=1500C. d=80 l=0,1/(×0C). a=10000/(×0C), =5/(2×4). l=58/(×0C).
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18
1. .
2. .
3. 1 , h=1,8. t0=20C, l=1,75/(×0C).
11 03. 05. 2012 .
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