نتایج جستجو برای: mode of failure
تعداد نتایج: 21216946 فیلتر نتایج به سال:
Abstract Background and Objectives Risk is a combination of the likelihood of an incident occurring and the severity of the consequences if that incident were to occur. The aim of this research is to identify and evaluate the risk factors in the blood donation process in a fixed blood collection center of Saqez city by failure mode and effects analysis (FMEA). Materials and Methods It is a des...
Reinforced Concrete (RC) deep beams are commonly used in structural design to transfer vertical loads when there is a vertical discontinuity in the load path. Due to their deep geometry, the force distribution within the RC deep beams is very different than the RC shallow beams. There are some strut and tie model (STM) already been developed for RC deep beams. However, most of these models are ...
Background: The clinical success of sandwich technique depends on the strength of resin-modified glass ionomer cement (RMGIC) bonding to both dentin and resin composite. Therefore, the shear bond strength (SBS) of resin composite bonded to RMGIC utilizing different resin adhesives versus a GIC-based adhesive was compared. Materials and methods: In this in vitro study, 84 holes (5×2 mm) were pre...
INTRBackground and Objectives: Good medical nutrition therapy (MNT) is crucial to inpatients' health and treatment, and is part of routine hospital cares. Surgery ward is a highly danger-prone section in any hospital. The present study was conducted for a proactive risk analysis of nutrition and food distribution in Mashhad Qaem Hospital’ Women’s Surgery Ward in 2013 through health care failure...
زمینه و هدف: برای انتخاب یک ماده ترمیمی دندان پزشک باید معیارهای متعددی را برای هر موقعیت در نظر داشته باشد. یکی از این معیارها و ویژگی ها، استحکام باند میان ماده ترمیمی و دندان می باشد. برقراری باند مستحکم و دایمی به مینا و عاج، ویژگی مطلوب یک ماده ترمیمس است که از ریزنشت و عواقب مضر آن جلوگیری می کند. بنابراین این مطالعه با هدف مقایسه استحکام میکروبرشی ناحیه ای S.E Bond به عاج دندان های شیری ...
Background and aims: Attention to safety of process plants adjacent residential area, especially in the big cities is extremely importance from the perspective of the safety engineering and risk management. This study was carried out whit the aims of identification of hazard points of explosion in Town Border Station (TBS) and qualitative and quantitative analysis of their occurrence causes and...
Background and objective: To control and prevention of accidents, attention to root causes of accident occurrence is very important. Safety risk of process units located in metropolis, must be always under control and in accordance with risk acceptance criteria of the community. In this regard, the purpose of this study is identification of functional failures, root cause analysis and in...
In this paper we describe G/G/R+s multi- repairmen machining system with balking. The system consists of M operating machines, S spare machines, R permanent and s additional repairmen. Assuming the discrete flow of machines by continuous one, the diffusion approximation technique for the machine repair system has developed. The system will be in normal working mode if there is M operating machi...
conclusions switching ams off may increase biventricular pacing in some patients. case presentation in this case series, we present a combination of far field sensing and automatic mode switching (ams) in six patients. it is found that this combination causes ventricular sensing (vs) episodes with wide qrs and no synchronization. we turn off the ams and alleviate the problem. introduction cardi...
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