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öũ > ӳƮ
ҷ ߻ ս ݾ
[öƽ̾] Է 2011-05-24 00:00:00

öƽ ߻ϴ ҷ ؼ 忡 ׻ ְ, ΰ å ַϰ ִ. 

ǰ ҷ (zero) ϱ ؼ 䰡 ʿϴ. ü ҷ %̰ ս̶ ǥδ ذ ʴ´.

⼭ ܰ迡 ҷ ߻ սDZݾ мϰ Ѵ. 

ü ϱ ؼ ܰ踦 ġ ͷ غ. 뺰 ϰ , , 2 ˻ 3κ . 

1. ս

1,000, ҷ 51%, ܰ 400/kg, ǰ ߷ 100g/ ϸ

ǰ 1 400/kg×100g/=40/
ҷ 밳, 400/kg×100g/×0.05=2/

ǰ 1 42 ȴ.

ҷ ᷮ 100g/×1,000×0.05=5kg

ҷǰ óġμ,

ϴ սDZ
  5kg×400/kg=2,000(2/)

Ŭ ִ սDZ
  Ŭ(ҷǰ м ) 30/kg̶ ϸ
  5kg×30/kg=150(0.15/)

ٸ 뵵 ̿ϴ սDZ
  򰡸 200/kg( 200 δ)̶ ϸ 5kg×200/kg=1,000 (1/)

̷ 碦 սDZ óġǾ ִ.

2. ս

ҷ 5%, غð 2h, Ǽ ð 10hr, 1 ijƼ, ӷ 3,000/hr̶ ϸ ǰ 1
  (2+10)hr×3,000/hr/1,000=36/

ҷ սDZ 밳
  36/×0.05=1.8/

ǰ 1 հ 37.8 ȴ.

3. 2 ˻ ս

2 20/, ˻ 10/, ҷ( ģ Ѵ) 2% ϸ ҷ սDZ 밳(++2 ˻)×0.02
(42/+37.8/+301)×0.02=2.2/

( ).
սDZ(ҷǰ ϴ ) հ 밳
2/+1.8/+2.2/=6.0/ Ƶ .

⼭ Ȥ ܼ հ迡 ҷ 5% 7% ؼ սDZ̶ ϸ, 7%

(40/+36/+30/)×0.07=7.4/ Ǿ .

̻󿡼 ŷο ۽ ǻͿ ҿ Է ϰ ִ.


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