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34
! (0,7 – 0,9). ( & ! "
!.
λ>λ
(hν<∆E) #,
! & .!
! . - !
# !. &
# 10
15
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,
! ! ,
!, $ ! + !,
# ! . $ !"# :
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∂ ρ
T
t
a T
f x y z t
c
− ⋅ =
⋅
∆
( , , , )
, (2.4)
! T- $ t; ρ -
$, c - $ #; f(x,y,z,t) - 6 $
# ! .
+ (2.4) !
, $ # , $
# , !:
T(x t
q
k
a t t a t
x
a t
, ) exp( ) exp( )
*
=
⋅
− ⋅ ⋅ − ⋅ ⋅ ⋅ −
⋅
+
2
2
2
α
α α αΦ
+ ⋅ ⋅ ⋅ +
⋅
+exp( )
*
α αx a t
x
a t
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! (0,7 – 0,9). ( & ! "
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λ>λ (hν<∆E) # ,
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# 10 - 1018 -3
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! $ a⋅t ( - &
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+ ! ! . 3
. ! !
.
,
! ! ,
! , ! $ + ! ,
# . ! $ ! "# :
∂T f ( x , y , z, t )
− a ⋅ ∆T = , (2.4)
∂t ρ⋅c
! T- $ t; ρ -
$, c - $ # ; f(x,y,z,t) - 6 $
# ! .
+ (2.4) !
, $ # , $
# , !:
q x
T(x, t ) = exp( −α 2 ⋅ a ⋅ t ) exp( −α ⋅ t ) ⋅ Φ * α a ⋅ t − +
2α ⋅ k 2 a⋅t
x
+ exp(α ⋅ x) ⋅ Φ * α a ⋅ t + +
2 a⋅t
34
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