نتایج جستجو برای: safe environment
تعداد نتایج: 634103 فیلتر نتایج به سال:
One of the relevant tasks of the teaching-learning process is that of evaluation. In this sense, estimating the academic performance exhibited by the final evaluation of a student, at the end of the current semester, has become of particular interest for students, parents, educators, educative managers and researchers alike. More specifically, the current paper is focused in determining whether...
A fundamental aspect of any concurrent system is how processes communicate with each other. Ultimately, all communication involves concurrent reads and writes of shared memory cells, or registers. The stronger the guarantees provided by a register, the more useful it is to the user, but the harder it may be to implement in practice. Thus it is of interest to determine which types of registers c...
Because there are many potential risks in the MR environment and reports of adverse incidents involving patients, equipment and personnel, the need for a guidance document on MR safe practices emerged. Initially published in 2002, the ACR MR Safe Practices Guidelines established de facto industry standards for safe and responsible practices in clinical and research MR environments. As the MR in...
of all the unintentional injuries among children, about 38% are from children’s road traffic injuries (rtis). this denotes 16.5% of mortality among children out of the global mortality for due to rtis with fatal outcomes. as children grow older the predominant type of their injuries changes. children aged among 5-19 are more likely to be injured on roads. they are mainly victims of the adults’ ...
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...
WHAT role do a person’s opportunities to choose play in the justification of social arrangements? We need to answer this question in order to arrive at a theory of substantive responsibility, which tells us the way in which a person’s claims on others, others’ claims on her, and the quality of her situation should depend on the opportunities she has and the choices she makes. To get a handle on...
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