BOD" और COD क्या है? इनके काम क्या हैं? Difference Between BOD & COD । PvrAqua

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PVR Aqua

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10 393 просмотра · 4 г. назад

BOD" और COD क्या है? इनके काम क्या हैं? Difference Between BOD & COD । PvrAqua hello friends kaise hain aap sab log. aaj ki video me hum baat karenge bod aur Cod ki. bod ka matalab biochemical oxygen demand aur cod ka matlab chemical oxygen demand hota hai. hamare ponds me 2 type ke matter hote hain, organic and inorganic. organic me fish waste etc aata hai aur inorganic me jo bhi chemical compounds hain. YouTube channel link / pvraqua Website PvrAqua https://pvraqua.com/ You Can Direct Contact me. Rajnish Kumar +91 9910515234 #fishfarming #pvraqua #whatisbod #wgatiscod #biochemicaloxygendemand #chemicaloxygendemand #differencebetweenbodandcod #fishfarminginstitute #fishfarminginindia