Abstract Implementation problem solving as an approach in teaching mathematics besides aiming to improve problem-solving skills can also improve students' critical thinking mathematically. In practice, the application of problem solving approach…
This research has been carried out in cellulose membrane production from bacterial cellulose. Bacterial cellulose is produced from the fermentation process. The purpose of this study was to analysis the effect of cmc, glycerol and fermentation time…
The research has been carried out in the laboratory scale to create and assess the ability of membrane cellulose from nata. Nata was produced from coconut-water and nira aren with a ratio 100%: 0%, 0%:100% and 50%:50%, which fermented with the…
Provinsi Aceh adalah daerah rawan gempa. Untuk mengurangi resiko bencana perlu konstruksi tahan gempa. Salah satu metode untuk mengurangi beban gempa adalah dengan mengurangi massa struktur dengan menggunakan beton ringan. Beton ringan sangat cocok…
Prarancangan pabrik deterjen cair ini menggunakan bahan baku utama serbuk tempurung kelapa, dan bahan-bahan untuk penunjang pembuatan deterjen cair seperti Builder, Filler, Pewangi, Alkaline Protease serta Carboxyl methyl cellulose (CMC). Proses…