Angin adalah udara yang bergerak yang diakibatkan oleh rotasi bumi dan jugakarena adanya perbedaan tekanan udara di sekitarnya. Angin bergerak daritempatbertekanan udara tinggi ke bertekanan udara rendah. Kecepatan angin dipengaruhi olehbeberapa hal,…
ABSTRACTVertical Axis Wind Turbine (VAWT) is a vertical axis wind turbine and rotor shaft that motion parallel to the wind direction, so that the rotor can rotate in any direction the wind. The ability to generate power and the current will be…
Preparation of cellulose film from nata de pina, a product of pinapple fermentation, using acetobacter xylinum was done at room temperature for 15 days. The aim of the research is to investigate the effect of sugar concentration and pH on film…
Study on the use of copper zinc oxide supported on alumina catalyst for steam reforming of methanol to hydrogen has been done. The aim of this work is to study the catalytic properties of copper based catalysts used in the steam reforming of…
Biodiesel is one of the alternative energy to replace petroleum diesel. Biodiesel is produced by transesterification of vegetable oil into alkyl ester and glycerol as by-product. The vegetable oil based put biodiesel as a renewable and…