Penelitian ini bertujuan untuk mengetahui struktur, gugus fungsi, dan sifat fisis yaitu kadar air dan pengembangan tebal paduan silika sekam padi dan aspal. Silika sekam padi …
H binti Habibun, SF binti Abdul Manaf… - Advanced Materials …, 2015 - Trans Tech Publ
Biomethane is an alternative and renewable source that occurred naturally which produced from the anaerobic digestion of organic matter. It can be used as the electricity power …