donepezil, a member of the acetylcholinesterase inhibitor family, is approved for management of cognitive impairments as well as behavioral complications in patients with neurodegenerative alzheimer's disease. generally, donepezil is regarded as a safe medication in patients with alzheimer's disease although there have been reports of several minor adverse events including gastrointestinal dist...

This study deals with the dynamic behavior of the kavar concrete Abstract face rockfill damwhich is the first dam of this type to be const ructed in a highly active seismic prone area,situated in the state of Fars southern part of the Islamic Republic of Iran. The finite elementmethod was used as a tool to carry out this study. The finite element discretization was carriedout under plane strain...

background: patient safety is a serious global public health issue. estimates show that every day many patients are harmed while receiving hospital care. health care staff plays a key role in providing quality and safe patient care, especially physicians who are main members of the medical team and a critical element in patient safety efforts. objective: the current study used a theory of plann...

In this study, one group of respondents is offered to purchase a safety device to be installed in their cars, while another group is offered a public safety, program (improved road quality) which results in the same size risk reduction. In terms of the value of a statistical life, our results are very, reasonable. However, the WTP for the private safety device is higher than the WTP for the pub...

One key role of elections is to allow voters to remove politicians who perform poorly in office. We analyze the extent to which incumbents who are involved in relatively serious political scandals lose elections. More importantly, we assess the relative importance of primary and general elections in removing such incumbents. How often do incumbents involved in relatively serious scandals lose i...

This paper examines the dynamic fault behavior of asynchronous sequential machines, specifically identifying the faults which cause critical races and hazards, and presents a state assignment technique leading to a machine that enters one of a small set of error states whenever a fault occurs. Entry into an error state can be checked by very simple check circuits; a self-testing check circuit a...

This paper reports a design technique to make Complex CMOS Gates fail-safe for a class of faults. Two classes of faults are denned. The failsafe design presented has limited fault-tolerance capability. Multiple faults are also covered.

In this paper two system safety models are built based on some practical situations. The system state can be distinguished into three states: working, fail-safe and fail-dangerous.The probabilities that the system are in working state, fail-safe state and fail-dangerous state, respectively, are derived. Also the mean times for the system working, fail-safe and fail-dangerous, are given. Finally...