Pengaruh jenis dan konsentrasi larutan leaching terhadap recovery logam emas dan tembaga dari hasil daur ulang printed circuit board = Effect of type and concentration of leaching solution towards the recovery of gold and copper metals from recycled printed circuit board

Studi pengaruh pH, dosis secondary collector, tipe frother, dosis depressant terhadap recovery dan konsentrat grade tembaga dan emas pada bijih high pyrite = Study effect of ph, dose of secondary collector, type of frother, dose of depressant to recovery and concentrate grade of copper and gold for high pyrite ore

Pengaruh konsentrasi oksidator H2O2 dan MnO2 terhadap recovery logam emas dan tembaga pada pelindian printed circuit board dalam media asam klorida = The effect of H2O2 and MnO2 oxidizing agent concentration on the recovery of gold and cooper metals in printed circuit board in chloric acid leaching media

Studi pengaruh pencampuran ore tipe A, B, C, dan underground terhadap hubungan kadar dan perolehan tembaga dalam konsentrat

Studi Pengaruh Penambahan Aditif Asam Poliakrilat dan Polikarboksilat serta Kadar Air terhadap Sifat Mekanis Ultra Low Cement Castable = Effects of Polyacrylate Acid and Polycarboxylate as Additives and Water Content on the Mechanical Properties of Ultra Low Cement Castable