نتایج جستجو برای: failure pattern

تعداد نتایج: 709829  

2010
ENRICO ZIO FRANCESCO DI MAIO Enrico Zio Francesco Di Maio

In this work, an extension of a data-driven approach for estimation of the available Recovery Time (RT) is presented. The improvement is in avoiding the need of resorting to a fault detection module for the identification of the anomalous system behavior: the algorithm proposed jointly detects the onset of the accidental transient and performs the estimation of the available RT. This is achieve...

2005
By G. C. Zhou M. Y. Rafiq G. Bugmann D. Easterbrook

This paper introduces a new technique which directly predicts the failure patterns of laterally loaded masonry panels based on the results of existing typical panels tested in the laboratory. The technique is based on the use of the cellular automata (CA). In this technique, the CA modelling is established to propagate boundary effects to zones within a panel. The corresponding rules for the st...

Journal: :Circulation 2006
Jorge P Ribeiro

In the 19th century, Cheyne 1 and Stokes2 described a pattern of periodic breathing in patients with heart failure, but over the past few decades, particular attention has been given to the occurrence of periodic breathing during sleep.3,4 Central sleep apnea, also referred to as CheyneStokes respiration, is an abnormal periodic breathing pattern in which central apneas and hypopneas alternate ...

2014
Rasaaq A Adebayo Amanze N Ikwu Michael O Balogun Anthony O Akintomide Tuoyo O Mene-Afejuku Victor O Adeyeye Olaniyi J Bamikole Luqman A Bisiriyu Olufemi E Ajayi Suraj A Ogunyemi Omolola A Oketona

BACKGROUND There are very limited published studies in Nigeria on the use of 24 hour Holter electrocardiogram (Holter ECG) in the arrhythmic evaluation of hypertensive and diabetic patients. OBJECTIVE To evaluate indications, arrhythmic pattern of Holter ECG, and heart rate variability (HRV) among patients with hypertensive heart disease (HHD) with or without heart failure and type 2 diabetes...

Journal: :international journal of civil engineering 0
mohsen shahrouzi engineering department, kharazmi university, hesarak, karaj, iran amir abbas rahemi department of engineering, kharazmi university, tehran, iran

well-known seismic design codes have offered an alternative equivalent static procedure for practical purposes instead of verifying design trials with complicated step-y-step dynamic analyses. such a pattern of base-shear distribution over the building height will enforce its special stiffness and strength distribution which is not necessarily best suited for seismic design. the present study, ...

Journal: :iranian journal of basic medical sciences 0
reza khashei department of microbiology, school of medicine and iranian research center for infectious diseases, isfahan university of medical sciences, isfahan, iran hasan shojaei department of microbiology, school of medicine and iranian research center for infectious diseases, isfahan university of medical sciences, isfahan, iran peyman adibi department of gastroenterology, isfahan university of medical sciences, isfahan, iran ahmad shavakhi department of gastroenterology, isfahan university of medical sciences, isfahan, iran mohammad mehdi aslani department of bacteriology, pasteur institute of iran, tehran, iran abass daei naser iranian research center for infectious diseases, isfahan university of medical sciences, isfahan, iran

objective(s) resistance to antimicrobial agents, particularly metronidazole and clarithromycin, is frequently observed in helicobacter pylori and may be associated with treatment failure. this resistance rate varies according to the population studied. the aim of this study was to assess the pattern of antimicrobial resistance of h. pylori isolates from dyspeptic patients in isfahan. materials ...

Journal: :dental research journal 0
mansour rismanchian soufia shafiei navid askari niloufar khodaeian

background : chip-off fracture of veneering porcelain has been described as the most frequent reason for the failure of zirconia-based fi xed partial dentures. the purpose of this study was to evaluate the shear bond strength (sbs) of two commercial zirconia core ceramics to their corresponding veneering ceramics. materials and methods : zirconia disks with 7-mm diameter and 3-mm height were pr...

2011
JANOS CSIRIK

In the current paper we consider the task of object classification in wireless sensor networks. Assuming that each feature needed for classification is acquired by a sensor, a new approach is proposed that aims at minimizing the number of features used for classification while maintaining a given correct classification rate. In particular, we address the case where a sensor may have a failure b...

Journal: :Korean circulation journal 2016
Eun Kyoung Kim Sung-A Chang Jin-Oh Choi James Glockner Brian Shapiro Yeon Hyeon Choe Nowell Fine Shin Yi Jang Sung-Mok Kim Wayne Miller Sang-Chol Lee Jae K Oh

BACKGROUND AND OBJECTIVES The diagnosis of ischemic (ICM) and non-ischemic cardiomyopathy (NICM) is conventionally determined by the presence or absence of coronary artery disease (CAD) in the setting of a reduced left systolic function. However the presence of CAD may not always indicate that the actual left ventricular (LV) dysfunction mechanism is ischemia, as other non-ischemic etiologies c...

2001
Michel Hurfin Achour Mostéfaoui Michel Raynal Raimundo José de Araújo Macêdo

This paper revisits the “sliding window” notion commonly encountered in communication protocols and applies it to the round numbers of round-based asynchronous protocols. This approach is novel. To illustrate its benefits, the paper presents an original weak failure detector-based consensus protocol that allows each process to be simultaneously involved in several rounds. The rounds in which a ...

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