suv o’lchash nasadkalari yordamida suv sarfini aniqlash
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1686294899.pptx suv sarfini o‘lchash. novdan o‘tayotgan suv sarfi suv erkin oqib tushadigan hollarda ushbu ifoda orqali aniqlanadi: bu erda: v l – nov chiqish kesimining kengligi, m; n – nov ostonasidan yuqoridagi suv qatlamining baland (qalin)ligi, m; q – suv sarfi, m 3 /sek suv chuqurligi ,n (sm) nov kirish qismining kengligi,v l (sm) 20 30 40 50 60 70 80 4 3,1 4,8 6,4 6 5,5 8,2 10,9 13,6 16,2 19,1 21,8 8 8,6 12,9 17,2 21,4 25,7 30,0 34,2 10 12,1 18,2 24,2 30,2 36,3 42,3 48,4 12 16,1 24,2 34,2 40,2 48,3 56,0 64,0 14 20,4 30,6 40,7 51,0 61,0 71,0 81,0 16 25,4 38,0 51,0 63,0 76,0 88,0 101,0 18 30,4 45,5 61,0 76,0 91,0 106,0 …
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