نتایج جستجو برای: high safety
تعداد نتایج: 2278563 فیلتر نتایج به سال:
Introduction: Agriculture is amongst the hazardous activities with a high rate of occupational injuries. Safety training is proved to have positive effects on reduction of agricultural users’ occupational accidents. In this sense, agricultural experts and extension agents play an important role in safety training programs. Thus, the purpose of this study was to investigate attitude of Agricultu...
In many cases, crashes at intersections account for over 50% of all urban road accidents. The need to reduce these crashes has fostered considerable research on the development and evaluation of traffic safety at intersections. This paper introduces a micro-level behavioral method for estimating crash potential at signalized and unsignalized intersections for different traffic characteristics. ...
Introduction: Application of inherently safety principle in the early phase of the design process is very efficient, as this approach is an economic and high efficiency method. While a complete information is not available in the initial phases of the process, the use of valid index to evaluate inherently safety can be efficient. In this case, the best route to design safer process can be selec...
Due to both safety and economic issues, exhaustive and optimal design of the grounding system of high voltage substations is one of the most important, expensive, sensitive, and complicated problems of the high voltage substations. In this paper, a novel designing method is proposed which consist of seven fundamental steps. The method is based on the ANSI/IEEE Std. 80-2000 standard. Most of the...
educational centers are of those types of organizations to which almost everyone refer during the life to use the services. accordingly, the suitability of safety situation in these organizations is of high importance. the present study aims at investigation of effective factors on safety management in educational-training organizations of metropolises. this study is an applied descriptive rese...
We propose a high-level language based on rst order logic for expressing synchronization in concurrent object-oriented programs. The language allows the programmer to declaratively state the system safety properties as temporal constraints on speci c program points of interest. Higher-level synchronization constraints on methods in a class may be de ned using these temporal constraints. The con...
System safety research has a weakness in terms of evaluation. In particular, the field has a poor track record for applying appropriate research methods to the questions we wish to answer, and for evaluating the answers in a convincing way. Given changes in government and public attitudes to research funding, this will be an increasing concern in the near future. In this paper, we define a taxo...
Safety cases are now regularly used to communicate the argument about the achievement of acceptable levels of safety for safety critical systems. Increasingly, safety standards such as Defence Standard 00-56 require the scope of the safety case to cover not only the development of the system, but also operating and maintenance through life, including decommissioning. This involves two dimension...
In previous papers, we asserted that software system safety is primarily concerned with epistemic questions, that is, questions concerning knowledge and the degree of confidence that can be placed in that knowledge. We also enumerated a set of 21 foundational epistemic questions, discussed some of the difficulties that exist in answering these questions adequately today, and speculated briefly ...
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