sulfur emission from coal combustion presents many environmental problems. the techniques used to reduce the amount of sulfur in coal before combustion, include physical, chemical and biological processes.biological processes based on degradation of sulfur compounds by microorganisms offer many advantages over the conventional physical and chemical processes. the processes are performed under m...

THE COST-EFFECTIVENESS OF THE KENTUCKY PILOT PROJECT OF ALLOWING PRIMARY PCI AT HOSPITALS WITHOUT ONSITE CABG

The number of lifters of mill shell liners, mill rotation speed, and filling percentage of grinding media are three of the most important parameters influencing the charge behavior and the trajectory of ball motion inside the SAG mills, and consequently, their performance. In this paper, the milling operation of pilot-scale SAG mills using the discrete element method (DEM) is investigated. Firs...

OBJECTIVES This study aims to explore the issues and challenges involved in designing and organizing pilot implementations of health information systems (HIS). Pilot implementations are a widely used approach for identifying design flaws and implementation issues before full-scale deployment of new HIS. However, it is not uncommon for pilot implementations to fail in the sense that little can b...