?????????? ???? ??? ??? ?? ??? ??? ???? ?????????(BOD)? 0.8¤?? 1??? ???? ???? ???? ???? 4?? ???? ???? ??? ????? 5? ???.

???? ???? ???? ??? ?? ???? BOD 6.0¤?????? ??? ??? ? ???? ???? ??? ?? ??? ??? ??? ????? 7.1¤? ???? ?.?? ???? BOD? 14.7¤?? ??? ?? ? ?? ??? ???? ?? ???? ???? ??? ??? ?? ??? ???? ??? ????.? ???? ?????? 1?? ??? ???? ??????? ???? ????? BOD? 7.4¤?? ???? ??? ????.

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