Evaluasi Pendayagunaan Nutrien Digestat Menggunakan Lahan Basah Buatan Aliran Horizontal Bawah Permukaan dan Lahan Basah Buatan Terapung = Evaluation of Digestate Nutrient Uptake Using Horizontal Sub-Surface Flow and Floating Constructed Wetland

Efiensi Ekstraksi Silika dari Coal Fly Ash Menggunakan Metode Sequential Acid-Alkaline Leaching (SAAL) dengan Larutan NaOH dengan Variasi Reagen Presipitasi H2SO4 = Silica Extraction Efficiency from Coal Fly Ash Using the Sequential Acid-Alkaline Leaching (SAAL) Method with NaOH Solution with Variations of H2SO4 Precipitation Reagent

Oksidasi kolesterol menggunakan enzim kolesterol oksidase dari streptomyces sp. terimobilisasi pada material magnetit silikon dioksida = Cholesterol oxidation by using cholesterol oxidase enzyme from streptomyces sp. immobilized on magnetite silicon dioxide materials

Optimization of silicon extraction from tanjung tiram asahan natural sand through magnesiothermic reduction

Imperfections and impurities in semiconductor silicon