Pengaruh Penambahan Logam Perak (Ag) pada Katalis Berbasis PdNi/SiO2 Nanosphere terhadap Reaksi Dehidrogenasi Asam Format = Effect of Silver Metal Addition on PdNi/SiO2 Nanosphere Based Catalysts for Formic Acid Dehydrogenation Reaction

Perolehan kembali logam li & co dari baterai li-ion dengan metode leaching c6h8o7 dan ekstraksi cair-cair menggunakan ekstraktan cyanex 272 = Recovery of lithium and cobalt metals from li-ion battery with leaching using c6h8o7 and liquied extraction by cyanex 272

Perbandingan Analisis Eksergi, Ekonomi, dan Lingkungan Pada Pembangkit Listrik Tenaga Batubara Teknologi Ultra-Supercritical Dengan Integrated Gasification Combined Cycle = Comparison Exergy, Economic, and Environmental Analysis of Coal Fire Power Plants in Ultra-Supercritical Technology with Integrated Gasification Combined Cycle

Non-renewable resource issues : geoscientific and societal challenges

Sintesis Katalis Ru/CeO2 Nanosphere dan Efek Penambahan Logam Fe pada Katalis untuk Reaksi Dehidrogenasi Senyawa Amonia Boran = Synthesis of Ru/CeO2 Nanosphere Catalyst and the Effect of Metal Fe Addition to the Catalyst for Dehydrogenation Reaction of Ammonia Borane