Evaluation of rice husk biochar influence as a partial cement replacement material on the physical, mechanical, microstructural, and radiation shielding properties of ordinary concrete. - Mahmoud, Alaa A.; El-Sayed, Alaa A.; Fathy, Islam N.; Fawzy, Samer; Alturki, Mansour; Elfakharany, Maged E.; Abouelnour, Mohamed A.; Mahmoud, K. A.; Dahish, Hany A.; ElTalawy, Soliman M.; Nabil, Islam M. (Scientific Reports, 2025)