. , .
, , : ; , ; : ; , ; .
, - , : ; ; ; - ; ., 137Cs 90Sr .
. 137Cs 90Sr . 137Cs: , , , , , , , , . 137Cs 2 , . , , . 90Sr 137Cs. 90Sr , , , , , , , . 90Sr , , , . 137Cs , , , - , , , - - , . 137Cs , . 90Sr : , , , , - , , , - - , . 90Sr , , , . 90Sr : , , ,
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, , : , , , , , .
- , , , , , 137Cs 5100 , , , .
, . , 137Cs . , ( , , , , , ). 90Sr .
, . , ( , .).
-99, - , -137 1540 /2, . . , . 7, 10 14 /2 , .
. -90 . , , , -90 -137 1,52,5 , 3 . (). , , . , N100 ( 6,0) .
, , .
. , , 540 /2 137Cs 0,153,0 /2 90Sr. 15 /2 137Cs 0,150,3 /2 90Sr 5,515,75, - 5,516,00 (. 17.4).
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540 /2 90Cs 0,33,0 /2 90Sr . , 8 /, : 0,5 0,5 . . III .
17.4.
1 | 3 , / | 3 (/) , (/2) | |||
137Cs 15, 90Sr 0,150,30 | 137Cs > 5, 90Sr > 0,3 | ||||
-: | <4,5 | 8,5 | 8,5 | 15,0 | |
4,65,0 | 7,5 | 7,5 | 13,0 | ||
5,15,5 | 6,5 | 6,5 | 11,0 | ||
5,66,0 | 4,5 | 4,5 | 7,0 | ||
<4,5 | 6,5 | 6,5 | 11,5 | ||
4,65,0 | 5,5 | 5,5 | 9,5 | ||
5,15,5 | 4,5 | 4,5 | 7,0 | ||
5,66,0 | 3,0 | 4,0 | |||
<4,5 | 5,5 | 5,5 | 8,5 | ||
4,65,0 | 4,5 | 4,5 | 6,5 | ||
5,15,5 | 3,5 | 3,5 | 4,5 | ||
- | <4,0 | 19,0 | 19,0 | ||
4,14,5 | 7,0 | 11,0 | 11,0 | ||
4,65,0 | 4,0 | 6,0 | 6,0 | ||
-: | <4,5 | 9,0 | 9,0 | 15,5 | |
4,65,0 | 8,0 | 8,0 | 13,5 | ||
5,15,5 | 6,5 | 6,5 | 11,5 | ||
5,66,0 | 4,5 | 4,5 | 7,5 | ||
<4,5 | 7,0 | 7,0 | 11,5 | ||
4,65,0 | 6,0 | 6,0 | 10,0 | ||
5,15,5 | 4,5 | 4,5 | 7,5 | ||
5,66,0 | 3,5 | 5,0 | |||
<4,5 | 6,0 | 6,0 | 9,0 | ||
4,65,0 | 5,0 | 5,0 | 7,0 | ||
5,15,5 | 4,0 | 4,0 | 5,0 | ||
- | <4,0 | 12,0 | 19,0 | 19,0 | |
4,14,5 | 7,0 | 11,0 | 11,0 | ||
4,65,0 | 4,0 | 6,5 | 6,5 | ||
5,516,0 5,0 137Cs 15 /2 0,20,3 /2 90Sr, 5-40 /2 l37Cs 0,33,0 /2 90Sr , .
. , .
. , . 1,52,5 , , . - , , .
, , 1 3,5% 137Cs 90Sr 1,53,5 . , , . . (, , .).
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, , , , . , . - , . , , .
, 0,60,7 . . , , , -137 -90 3040 %. 6080 /.
, . , , . , . , , , .
. . , . , . , 1,21,3 .
. .
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, , . 2040 % 1530 %, , . , .
. , . , 90Sr . 90Sr . , , , , , : 137Cs 1 5 /2 90Sr 0,15 0,3 /2; 137Cs 5 15 /2 90Sr 0,3 1,0 /2; 137Cs 15 40 /2 90Sr 1,0 3,0 /2 (. 17.5). , , , .
17.5.
P2O5, / | P2O5, / | 25 (/) /2 | |||
Cs 1,04,9, Sr 0,150, 29 | Cs 5,0 14,9 Sr 0,300,99 | Cs 15,040.0 Sr 1,003,00 | |||
-, | 60 | ||||
61100 | |||||
101150 | |||||
151250 | |||||
251400 | |||||
- | 200 | ||||
201300 | |||||
301500 | |||||
501800 | |||||
8001200 | |||||
-, | 60 | ||||
61100 | |||||
101150 | |||||
151250 | |||||
251400 | |||||
- | 200 | ||||
201300 | |||||
301500 | |||||
501800 | |||||
8011200 |
( ) ( ) 25 (. 17.5).
. 137Cs . , , , .
137Cs 2 20 . , , - .
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. , - 137Cs, 90Sr. , . , 137Cs+ + NH4+. . , + 137Cs+, , + 137Cs+, . .
137Cs 90Sr , 2 300430 / - . , , 2 170 250 /.
, 160240 2 - , 1,51,7 , 1,52,7 137Cs 1,3 90Sr . (250 /) (>300 /) , . . 17.6.
. , . .
. ( 2 300 / 1000 / 50 % .
17.6.
2, / | 2, / | 2 (/) , /2 | |||
Cs 1,04,9 Sr 0,150,29 | Cs 5,014,9 Sr 0,301,99 | Cs 15,040,0 Sr 2,003,00 | |||
-, | 80 | ||||
81140 | |||||
141200 | |||||
201300 | |||||
300 | |||||
- | 200 | ||||
201400 | |||||
401600 | |||||
6011000 | |||||
1000 | |||||
- , | 80 | ||||
81140 | |||||
141200 | |||||
201300 | |||||
300 | |||||
- | 200 | ||||
201400 | |||||
401600 | |||||
6011000 | |||||
1000 |
, . .
. . , . , 1015%, , , . . , n 50 / 137Cs 90Sr 3040%, 34 % 1520%.. (2030 / ..), (2530 /) (70 /), (2025 /), (20 /), (2030 /) (150250 /).
, , , . ( 6,0) : 1,5 /, 0,3, 3 / 5, 1 9 / .
. , .
, .
- -137 40 /2 -90 0,2 /2. -137 20 /2 -90 0,05 /2 , . . . , , (, , ).
-137 2040 /2 -90 0,050,2 /2 , , , , .
- : , , , 40 1 2, 60 /2, 90 /2, 1 /2 60 /2 . 70 50 . 100 2 23 34 . , , 1,52 () 34 100 2. ( ) . () . (, , , .) 56 /2.
-137 5 /2 -90 0,1 /2 . . .
1. -137 -90 ?
2. ?
3. ?
4. ?
5. , ?
6. ?
7. , ?