Many existing reinforced concrete (RC) structures constructed more than 50 years ago now require maintenance.This is especially true in cold, snowy regions where significant frost damage deterioration of RC structures becomes a severe problem.In this study, falling-weight impact Stairarm Rail tests were performed to investigate the impact resistanc
Climate change’s impact on human health poses unprecedented and diverse challenges.Unless proactive measures based on solid evidence are implemented, these threats will likely escalate and continue to endanger human well-being.The escalating advancements in information and communication technologies have facilitated the widespread availabili
One of the problems that sometimes occur in gas allocation optimization FF SHAMPOO is instability phenomenon.This phenomenon reduces the oil production and damages downhole and surface facilities.Different works have studied the stability and suggested some solutions to override it, but most of them (such as making the well intelligent) are very ex
Background and Aim: Effective monitoring and evaluation of human resources in countries require an agreed set of indicators and measurement tools.Due to the existence of different payment mechanisms, this study aimed to identify performance evaluation indicators in hospitals affiliated with the Tehran University of Medical Sciences.Materials and Me