Synthesis, characterization and energy gap of silica quantum dots from rice husk

ES Astuti, AA Sonief, M Sarosa, N Ngafwan… - Bioresource Technology …, 2022 - Elsevier
This study aimed to reveal roles of KOH and HCl in a synthesis process of Silica Quantum
Dots (Si-QDs) from environmentally friendly rice husk waste, the morphological …

Behaviors and Overlying Strata Failure Law for Underground Filling of a Gently Inclined Medium‐Thick Phosphate Deposit

X Li, J Geng, Q Li, W Tian, T Zhou - Advances in Civil …, 2021 - Wiley Online Library
In this study, the No. 6 pit in the eastern mining area of the Jinning phosphate mine in China
was taken as the research background. In order to reduce the cost of filling, an improved …