نتایج جستجو برای: non mechanical methods
تعداد نتایج: 3114385 فیلتر نتایج به سال:
objective critical illness polyneuropathy and myopathy (cipnm) is a major complication of severe critical illness. previous studies have suggested that many risk factors such as sepsis, multiorgan failure, and neuromuscular blocking agents play a role in cipnm pathogenesis. the aim of this study was to evaluate possible risk factors in the development of cipnm in a pediatric intensive care unit...
power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...
BACKGROUND Non-invasive mechanical ventilation is increasingly used in the treatment of acute respiratory failure in patients with chronic obstructive pulmonary disease (COPD). The aim of this study was to identify simple parameters to predict the success of this technique. METHODS Fifty nine episodes of acute respiratory failure in 47 patients with COPD treated with non-invasive mechanical v...
the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...
The present study aims to investigate the analysis of stress, strain, displacement, and electrical potential of a thick hollow cylinder made of FGPM under mechanical and thermal loads. Distribution of mechanical property of material is considered along the shell stick through the power distribution function. Thermal loads have been taken to signify the difference of temperature between outer an...
In recent years, many cryptography protocols have been designed, for many different scenarios, with the purpose of preserving security of communications as well as privacy and anonymity of participant entities. In general, every proposed solution has possed a real challenge to the existing formal methods of protocol analysis and verification. The main goal of this work is the proposal of a logi...
Article history: Received 19 December 2013 Received in revised form 8 August 2014 Accepted 21 August 2014 Available online 10 September 2014
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