electronic health record (ehr) is a repository of patient health information shared among multiple authorized users. as a modern method of storing and processing health information, it is a solution for improving quality, safety and efficiency of patient care and health system. however, establishment of ehr requires a significant investment of time and money. while many of healthcare providers ...

a hybrid hydro/wind/photovoltaic base on hydrogen storage system is designed to supply power demand of pump stations. the aim of this design is minimization of net present cost of the hybrid system. optimization problem is subject to reliable supply of the demand. the system is investigated in the north west of iran (meshkinshahr) and the local data is applied. about 12 pump stations are found ...