Articles

• Isolasi dan karakteristik bakteri lignoselulolitik rumen kerbau sebagai pendegradasi komponen serat Isolation and Characterization of Buffalo Lignocelulolytic Bacteria as a Degradator of Fiber Components

  N.D. Hanafi, M. Tafsin, D.R. Purba

  101 - 108

  • PDF
• Analisis Numerik Evaporator Pada Desalinasi Surya Sistem Vakum Alami Numerical Analysis of Evaporators in Solar Desalination of Natural Vacuum Systems

  Agistya D. Ronowikarto, Ridho Elranda T. Siregar, Himsar Ambarita

  109 - 114

  • PDF
• Rancang Bangun Alat Penukar Kalor Shell And Tube Dengan Satu Laluan Cangkang Dan Dua Laluan Tabung Sebagai Pemanas Air Design of Shell And Tube Heat Exchanger with One Shell Pass and Two Tube Passes as Water Heater

  Farel H. Napitupulu, Tekad Sitepu, Jefry Kusuma, Agus Wijaya

  115 - 134

  • PDF
• Test Activities Antibakteriekstrak Ethanol Young And Old Leaves Of The Soursop(Annonamuricata L.) Against Staphylococcus aureus

  Dwi Latifah Sari, Sudarmi Sudarmi, Popi Patilaya

  135 - 143

  • PDF
• Palm Juice / Nira (Arenga pinnata (Wurmb) Merr.), A Source of Lactic Acid Bacteria from North Sumatra

  It Jamilah, Nunuk Priyani, Maretta Fitriani Silaban

  144 - 152

  • PDF
• Analisis Kualitas Produk Minuman Guna Meningkatkan Performansi Jumlah Produksi Dengan Metode Fmea (Failure Mode And Effects Analysis) Quality Analysis of Beverage Products to Improve Production Amount with Failure Mode and Effects Analysis (FMEA) Method

  Listiani Nurul Huda

  153 - 159

  • PDF
• Effect of Operation Condition on Gelugur Acid (Garcinia atroviridis) Drying Rate Using Tray Dryer

  R Hasibuan, Heri Gusman

  160 - 167

  • PDF
• Konsep Generalized Gradient Pada Optimisasi Nonsmooth Generalized Gradient Concept in Nonsmooth Optimization

  Esther Nababan, Pengarapen Bangun

  168 -174

  • PDF
• Optimisasi Program Linear Integer Murni Dengan Metode Branch And Bound Optimization of Pure Integer Linear Program with Branch and Bound Method

  Tondi Marulizar, Ujian Sinulingga, Esther Nababan

  175 - 181

  • PDF
• Model dan analisa struktur sepatu kuda bahan komposit polymeric foam diperkuat serat fiber-glass Model and Analysis of Horse Shoe Structure Polymeric Foam Composite Materials Reinforced with Fiber Glass

  Mawardi Mawardi, Raja E Karya Siregar, Randika Sudharma

  182 - 187

  • PDF
• Pemanfaatan Sluri Gas Bio yang Diperkaya Urin Kambing Fermentasi Terhadap Kecepatan Tumbuh, Produksi Daun dan Komposisi Nutrisi Pada Indigofera Zolliengeriana Utilization of Bio Gas Slurry Enriched with Fermented Goat Urine on Growth Speed, Leaf Production and Nutritional Composition in Indigofera zollingeriana

  Rudini Arif, N Ginting, I Sembiring

  188 -193

  • PDF
• Pembuatan Sabun Cair Dengan Alkali Kalium Abu Batang Pisang (Musa Paradisisaca) Making Liquid Soap with Alkali Potassium Banana Stems (Musa paradisisaca)

  Lilis Sukeksi, Masniar Sirait, Patima Valentina Haloho

  194 - 203

  • PDF
• Perbandingan Gugus Fungsi dan Morfologi Permukaan Karbon Aktif dari Pelepah Kelapa Sawit Menggunakan Aktivator Asam Fosfat (H3PO4) dan Asam Nitrat (HNO3) Comparison of Functional Groups and Morphologies of Activated Carbon Surfaces from Palm Tree Fronds Using Phosphoric Acid (H3PO4) and Nitric Acid (HNO3) Activators

  Vidyanova Anggun Mentari, Seri Maulina

  204 - 208

  • PDF