, [19], I , II III . , 27.003-90 [15] I (), II (), III .
, , ( III ), k (t) (3.43). λ μ λ μ. III(t) :
III(t) = k (t) = μ / (λ + μ) + [ λ / (μ + λ)]×[-(μ + λ) × t ] =
= + × [-(μ + λ) × t ], (4.11)
= μ / (λ + μ) - , = λ / (μ + λ) - .
(t → ∞) III(t) ( (3.36) (3.40)):
III(t) = = μ / (λ + μ) = / ( + ). (4.12)
, t 1 , t 2 , II . II(t) :
II(t) = (t 1) × (-λ × t 2). (4.13)
II(t) (t 1 → ∞, t 2 = t) (t) (3.42):
II(t) = (t) = ×(- λ × t) = [ / ( + )]× (- λ × t). (4.14)
λ = λ (4.3) (4.4), = 1 = 1 / λ (4.5). = = 1 / μ [19]:
(4.15)
Pi - , i -ro J ; Pi
Pi = (niJ × λi) / λ; (4.16)
t i - i -ro , . [19]. t i -
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(4.14) Pi, II(t) :
(4.17)
4.2.
, , . t i 4.3.
4.3 - ( )
J | niJ×λi×i 10-6 1/ | t i | niJ×λi×t i 10-6 | ||
8,92 | 26,76 | ||||
.. | 30,29 | 60,58 | |||
-0,5 | 3,41 | 3,41 | |||
50 | 3,34 | 6,68 | |||
69,00 | 69,00 |
, (t) t 1 = 100 . t 2 = 1000 .
λ c = 123,58×10-6 1/ , , λ c = 114,96×10-6 1/, , . (4.17) λ c = λ c t = t 1 II(t 1) :
t = t 2
(4.14) ,
= (t) / (- λ × t) = 0,98866 / 0,988824 = 0,999834146.
λc = λ c II(t) t = t 1:
t = t 2
(4.14) ,
= (t) / (- λ × t) = 0,988403 / 0,988567 = 0,999834103.
i -ro t i , , , . , , , (3.57) (4.14), , II(t) , 4.2:
II(t) = (t) = × (- λ× t) ≈ (- λ × t) = c(t). (4.18)
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