نتایج جستجو برای: lack of stability

تعداد نتایج: 21184046  

Journal: :سیاست 0
محمدرضا تاجیک دانشگاه شهید بهشتی علی پورپاشاکاسین دانشگاه تهران

criticizing the drawbacks of modern societies, lyotard glorifies the changing of meta-narration to show lack of such narrations totally. for him such a condition or changing of sub-narrations to periphery ones gives him an opportunity to self-expression and survival chance, which by intention to solidarity, stability, etc. they have been deprived of their identity, but keeping eternality of suc...

Journal: :journal of oil, gas and petrochemical technology 0
shahriar osfouri department of chemical engineering, faculty of oil, gas, and petrochemical engineering, persian gulf university, bushehr, iran reza azin department of petroleum engineering, faculty of oil, gas, and petrochemical engineering, persian gulf university, bushehr, iran

a proper understanding of reservoir fluid phase behavior is the first crucial step in the development and production of an oil/gas field. this paper addresses the challenges and errors associated with the fluid sampling that may arise before, during and after the sampling operation. for this aim, dst and pvt data of exploration and production wells of a supergiant offshore gas condensate reserv...

Journal: :علوم قرآن و حدیث 0

among the traditions concerning the signs of wisdom, there is a tradition related from imam al-ṣādiq (a.s.) introducing the person wearing a long beard, the signet of his ring, and his nickname, as indications of his lack of wisdom. while examining the sanad and text of this tradition, the article seeks to find out the real source of this saying and the various possibilities about the source an...

Journal: :international journal of endocrinology and metabolism 0
adeleh bahar diabetes research centre, mazandaran university of medical sciences, ir iran firoozeh hosseini esfahani nutrition and endocrine research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, ir iran mohammad asghari jafarabadi medical education research center, department of statistics and epidemiology, faculty of health, tabriz university of medical sciences, ir iran yadollah mehrabi school of public health, shahid beheshti university of medical sciences, ir iran fereidoun azizi endocrine research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, p.o. box: 19395-4763, ir iran +98-2122432500, [email protected]; endocrine research center, research institute for endocrine sciences, shahid beheshti university of medical sciences, p.o. box: 19395-4763, ir iran +98-2122432500, [email protected]

background the choice of what parameters are needed for the diagnosis of metabolic syndrome (mets) has been criticized due to the lack of an actual “gold standard” diagnostic test even in adults. this problem seems to be greater in children and adolescents. objectives stability assessment of factor structure underlying metabolic syndrome (mets) components from childhood to adolescence in a pane...

Journal: :iranian biomedical journal 0
محمد علی حیدران mohammad a. heidaran

in recent years the science of tissue engineering has emerged as a powerful tool for the development of a novel set of tissue replacement parts and technologies. recent advances in the fields of biomaterials, stem cell technologies, growth factor field and biomimetics have created a unique set of opportunities for investigators to fabricate lab-grown tissues from combination of extracellular ma...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

here, we report analysis of in vitro and in vivo drug release from an in situ formulation consisting of triamcinolone acetonide (tr) and poly(d,l-lactide-co-glycolide) (plga) and the additives glycofurol and hydroxyapatite nanoparticles (ha). we found that these additives enhanced drug release rate. we used the taguchi method to predict optimum formulation variables to minimise the initial burs...

Journal: :iranian journal of radiology 0
joachim berkefeld leading physician, head of interventional neuroradiology, institut für neuroradiologie, klinikum der goethe-universitat, schleusenweg, frankfurt, germany; leading physician, head of interventional neuroradiology, institut für neuroradiologie, klinikum der goethe-universitat, schleusenweg, frankfurt, germany

interventional treatment of ruptured intracranial aneurysms in patients with subarachnoid hemorrhage is a standard therapy based on evidence from randomized trials. simple coiling is still used for most of the cases. modern coil technology provides a wide variety of complex shaped coils for faster procedures and reliable dense packing. the assistance of stents and balloons widens the indication...

ژورنال: پژوهش در پزشکی 2016

Background: Adequate dietary intake of Selenium (Se) with regard to crucial role in the body functions and prevention of risk of cancers is more important. According to growth of world populations and soil erode inadequate daily intake of Se is an noticeable man concerns. Selenium enriched yeast (Se-yeast) as a good food supplements of Se with high organic and bio-available form of Se which imi...

Journal: :iranian journal of fuzzy systems 2014
mostafa ghaemi mohammad-reza akbarzadeh-totonchi

controller design remains an elusive and challenging problem foruncertain nonlinear dynamics. interval type-2 fuzzy logic systems (it2fls) incomparison with type-1 fuzzy logic systems claim to effectively handle systemuncertainties especially in the presence of disturbances and noises, but lack aformal mechanism to guarantee performance. in contrast, adaptive sliding modecontrol (asmc) provides...

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