Membran poliuretan (PU) dibuat dengan cara mereaksikan asam lemak bebas dan asam lemak yang telah teroksidasi yang berasal dari minyak jarak dengan 2,4-tolulen diisosianat (TDI). Komposisi monomer, temperatur dan waktu polimerisasi divariasikan.…
This research studied the synthesis of Polyurethane (PU) Membrane from Carrageenan and 2,4 toylulene diisocyanante (TDI). The PU membrane made from the Gracilaria sp of red seaweed has rendement of 60.5% from the total weight of the dried sea grass.…
Polyurethane (PU) membranes was prepared by reacting the free fatty acids and fatty acids that have been oxidazed from castor oil with a 2,4-toluen di-isocyanate (TDI). He effect of of monomer composition, temperature, and polymerization time was…
Keterampilan berpikir kritis mahasiswa dapat ditingkatkan melalui pembelajaran yang tidak bersifat satu arah, akan tetapi menggunakan media komputer yang dipadukan dengan suatu model pembelajaran tertentu. Penggunaan media tersebut dapat berupa model…
The Identification of Cooperation System between Farmer and Land Owner In Creating an Even Income Distribution of Irrigated Rice Field Farmers(A Study toward the Institutional of Farmers in Secondary Network of Irrigation inDayah Daboh and Lamcot in…
Communal forests in Indonesia, especially in the form of agroforestry commonly undeveloped and almost in traditional management. In Koto Malintang, West Sumatra agroforestry practice known as ‘parak’ has existed since decades ago. This study aims to…
ABSTRACT. This research present experimental performance of a forced convection greenhouse dryer for drying of fish. The greenhouse dryer was installed at Aceh province, Indonesia. It has a concrete floor with the area of 6×4 m2. The roof of dryer is…
The study aimed to investigate the effects of drying temperature and time to potato starch variety of Granola. Recently, the starch is often used as a raw material for food, pharmaceutical and non-food industries such as textiles, packaging,…
Study on CO2 fixation for the growth of oil-produced green microalgae by cultivating the algae in illuminated glass containers was conducted. Green algae were isolated from some water pond samples around Banda Aceh. The samples contain mixed…
Conventional soil sampling is time consuming and requires meticulous laboratory analysis. Hence, mapping of soil apparent in respect to electrical conductivity (ECa) has been developed to identify areas of contrasting soil properties. Such ECa values…