Лекции по основам кинематики элементарных процессов. Строковский Е.А. - 123 стр.

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МГУ | Москва

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N
centers
(dx) · σ
tot
P
0
(dx)=1− N
centers
(dx) · σ
tot
P
0
(x + dx)=P
0
(x) ·P
0
(dx)=P
0
(x)(1 −dx ·ρ ·
N
A
M
·n
mol
·σ
tot
) .
dP
0
(x)
dx
= −P
0
(x) · ρ ·
N
A
M
· n
mol
· σ
tot
.
P
0
(0) = 1
P
0
(x)=e
−x·ρ·
N
A
M
·n
mol
·σ
tot
= e
−x·σ
tot
·n
centers
,
n
centers
I(x)=I
0
· P
0
(x)=I
0
· exp(−x · σ
tot
· n
centers
) .
R(x)
     2  2  D 8  0       
  0  2      556/ / ?
   2     F     2     G0   
        0     2   Ncenters (dx) · σtot
    1                 
  7 /     "0   0 P0 (dx) = 1 − Ncenters(dx) · σtot 
I  0
 P0 (x + dx) = P0 (x) · P0 (dx) = P0 (x)(1 − dx · ρ ·
                                                        NA
                                                        M
                                                           · nmol · σtot ) .   F,,G
  7   0  
                  dP0 (x)
                    dx
                          = −P0 (x) · ρ ·
                                          NA
                                          M
                                             · nmol · σtot .                   F,*G
   86  9  7 2    /9   O 1  
   2    P0 (0) = 1 F   1    6 1 
     5 "     G0 1/   
 1  F 2/      G ?
                                                                  F,"!G
                              NA
              P0 (x) = e−x·ρ· M ·nmol ·σtot = e−x·σtot ·ncenters ,

2 ncenters N     56/       6 1 
    0
           I(x) = I0 · P0 (x) = I0 · exp(−x · σtot · ncenters ) . F,""G
   =  F,""G C   2  9 1  
/ 1 71    2    1 /     
  7  1   5      1 56 2 1 
10 19 9 2    1  9     
I       % H     2  
     C  1 0         /
  /? 1 2    5   0     
1 9/  9      2  20  2  C 1 
  0 19        9         C
      86  /     1 /    
        7    R(x) F," G
1   ,"


                                      "A

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