Optimizing the performance of hemispheric solar still using nano-ZnO with cooling the glassy cover at a variable water flow rate
Mohammed El Hadi Attia، Abd Elnaby Kabeel، S.A. El‐Agouz، El Mir Mabrouk Lassaad، Ravishankar Sathyamurthy، Moataz M. Abdel‐Aziz