نتایج جستجو برای: tripod – beta
تعداد نتایج: 187988 فیلتر نتایج به سال:
background accident investigation programs are a necessary part in identification of risks and management of the business process. objectives one of the most important features of such programs is the analysis technique for identifying the root causes of accidents in order to prevent their recurrences. analytical hierarchy process (ahp) was used to compare management oversight and risk tree (mo...
Background and Aim: The purpose of this study was to compare the two techniques of fault tree analysis (FTA) and Tripod-Beta using the analytic hierrarchy process (AHP) for choosing the preferred technique to be used in the analysis of grave accidents in a steel-manufacturing company. Materials and Methods: This research project was carried out in three main phases. In the first phase two dis...
the undesirable effects and consequences of occupational fatal accidents have placed a great emphasis on applying preventive measures. this study was aimed to analyze and specify the latent causes of occupational fatal accidents in exir chemical plant, urmia - iran in 2008-2009. the analytical tripod-beta method was used. a geographic information system (gis) was then used to determine a list o...
Introduction: The purpose of this study was to compare MORT and Tripod Beta methods, using a hierarchical model, in order to choose the best technique to analyze an event in an organization. .Material and Method: In this study, a critical event was selected and the causes of the event were identified, employing MORT and Tripod Beta capabilities. Following the identification of the event causes...
مقدمه: هدف از این مطالعه مقایسه دو روش mort و tripod beta با تلفیق مدل سلسله مراتبی به منظورانتخاب روش برتر در تجزیه و تحلیل حادثه در یک سازمان میباشد. .روش کار: در این مطالعه یک حادثه بحرانی انتخاب شد و با استفاده از توانمندی روش mort و tripod beta علل بروزحادثه شناسایی گردید. پس از یافتن علل پدید آورنده حادثه، این دو روش بر اساس معیارهای منتخب و روش سلسله مراتبی ahp، وزن دهی و مقایسه گردیدند...
This study determined the critical risk factors that influence of major accidents in petroleum and chemical industries. The retrospective assessed five iconic using tripod beta analysis methodology. Literatures on were reviewed, immediate causes accidents, preconditions latent failures analysed a focused group process safety professionals. These aggregated into for these accidents. findings thi...
Introduction: Due to the importance and necessity of accident analysis, it is necessary to use proper technique for precise accident analysis and to provide corrective and preventive measures to prevent recurrence of an accident. Method: In this descriptive-analytical paper, the most important criteria for investigating and selecting accident investigation and analysis techniques and selecting...
Background and aims: Occurrence of accidents in the oil industry induces to the irreparable damage to human life and high value property. Understanding the causes of accidents takes place with analysis. One of the most important steps in accident analysis is a conscious selection of accident analysis method due to the existence of high variety of methods and various effective criteria. This stu...
The following gold(I) and silver(I) complexes of the tritertiary phosphine 1,1,1- tris(diphenylphosphinomethyl)ethane, tripod , have been synthesised: Au(3)(tripod)X(3) [X = Cl(1), Br(2), I(3)]; [Au(3)(tripod)(2)Cl(2)]Cl (4); Au(tripod)X [X = Br(5), I(6)]; Ag(3)(tripod) (NO(3))(4) (7), Ag(tripod)NO(3) (8). They were characterized by X-ray diffraction (complexes 2, 3 and 4), (31)P NMR spectrosco...
Three groups of nondysfunctional adults were observed for atypical pencil grasps (i.e., nondynamic tripod grasps) used during functional writing situations: 58 occupational therapy students signing out equipment, 314 voters signing for their ballots, and 113 medical students taking a written examination. Among the total right-handed population, the most frequently used grasp was the dynamic tri...
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