<<
>>

( , , 1976)

, (/)
170
- 170
150-170

7.15

pH BE

( , , 1976)

pH BE (-/)
7,42 - 7,30 3
- 7,30 - 7,20 3 15
7,20 15 30
7,30 - 7,20 5 10

7.16

.

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:

  1. (.. ., 2000) ( . 3.4)
  2. , , . . 2.0. . , .2018, 2018
  3. 2.2.2.
  4. .
  5. (.. , 1937
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- - - - - - - - - - - - -