sirt taranglik
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powerpoint presentation suyuqlikni sirt tarangligi.sirt taranglik kuchi va ishi abdulatif 1. sirt taranglikning asoslari: ta'rif, omillar va molekulyar tushuntirish 2. sirt taranglikni o'lchash, sirt faol moddalar (sfm) va kapillyarlik 3. sirt taranglikning amaliy ahamiyati, muammolar va yechimlar reja: sirt tarangligi: ta'rif va omillar sirt tarangligi suyuqlik yuzasida hosil bo'ladigan elastiklikdir, bunda molekulalar ichkariga tortilib, yuzani minimal holatga keltirishga intiladi, bu energiya 0.072 n/m atrofida bo'ladi. sirt tarangligiga harorat katta ta'sir ko'rsatadi; harorat oshishi bilan molekulalar harakati kuchayib, molekulalar orasidagi bog'lanish kamayadi, natijada taranglik qiymati pasayadi. sirt energiyasi va molekulyar tushuntirish sirt energiyasi sirt molekulalarining qo'shn...
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