Hollow silicalite-1 zeolite can be readily fabricated by hydrothermally treating the parent silicalite-1 with tetrapropylammonium hydroxide. A dissolution-recry
Focused on the current situation,monitoring system,technical management regulation,process,system composition,and information publication of the earthquake info
Recently,the gasoline engine oil developed by the SINOPEC Research Institute of Petroleum Processing(RIPP)has passed seven engine tests required by the latest-g
Based on the data recorded by the observation network during the intensive excitation period from November to December 2015 at Binchuan Earthquake Signal Transm