نتایج جستجو برای: technique failure
تعداد نتایج: 963723 فیلتر نتایج به سال:
In this paper, a new D-distance factor is proposed to determine the failure probability and prioritize maintenance actions of power circuit breakers in high-voltage substations. The calculated by using condition index renovation breaker (HVCB). To facilitate effective decision-making on with simple method less computational effort, model incorporates weighting–scoring (WSM) analytical hierarchy...
Fault Tree Analysis (FTA) as a Probabilistic Risk Assessment (PRA) method is used to identify basic causes leading to an undesired event, to represent logical relation of these basic causes in leading to the event, and finally to calculate the probability of occurrence of this event. To conduct a quantitative FTA, one needs a fault tree along with failure data of the Basic Events (BEs). Someti...
BACKGROUND/AIMS This study analyzed the risk factors for technique survival in dialysis patients and compared technique survival rates between hemodialysis (HD) and peritoneal dialysis (PD) in a prospective cohort of Korean patients. METHODS A total of 1,042 patients undergoing dialysis from September 2008 to June 2011 were analyzed. The dialysis modality was defined as that used 90 days afte...
AIM: The aim of this study was to compare the shear bond strength of two techniques for bonding lingual orthodontic retainer; the chairside modified bonding technique introduced by Al-Emran and Hashim, and the chairside manual bonding technique currently used in orthodontic practice. MATERIALS AND METHODS: Sixty-four extracted cariesfree premolars were divided into two equal groups. Group A rep...
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