The main objective of this study was to determine the applicability of the selected pretreatment methods as a means of intensification of methane production from sewage sludge as well as its mixtures with grease trap sludge.The addition of the fat Cleaning rich material to the digester treating sewage sludge resulted in an increased methane yield a
Most governments in Africa implement policies Cooler Glasses aiming to stabilize the prices of staple foods, which often include building up grain reserves, besides other trade measures insulating their domestic market from the world market.The mechanism should ideally work as follows, grains should be bought and stored from areas, during the surpl
Kebisingan merupakan salah satu masalah kesehatan lingkungan.Wahana bermain Canine - Supplements indoor merupakan salah satu tempat yang memiliki intensitas kebisingan yang tinggi sehingga dapat menyebabkan gangguan pendengaran pada pengunjung.Tujuan penelitian ini adalah untuk mengetahui rerata gambaran bising di beberapa titik di wahana bermain i
The study was conducted in Tehulederie, Kalu, and Dessie Zuria districts of South Wollo Zone, Amhara, Ethiopia, to assess the current beekeeping production system with available opportunities and challenges facing the beekeeping subsector.The districts were purposively selected based on potential and accessibility and then stratified into lowland,