نتایج جستجو برای: strength significantly decreased p0001 in general

تعداد نتایج: 17104514  

Journal: :journal of dentistry, tehran university of medical sciences 0
noushin shokouhinejad associate professor, dental research center dentistry research institute, department of endodontics, school of dentistry tehran university of medical sciences, tehran, iran. kazem ashofteh yazdi associate professor, dental research center dentistry research institute, department of endodontics, school of dentistry tehran university of medical sciences, tehran, iran. mohammad hossein nekoofar assistant professor, dental research center dentistry research institute, department of endodontics, school of dentistry tehran university of medical sciences, tehran, iran ; endodontology research group, school of dentistry, cardiff university, heath park, cardiff, uk. shakiba matmir dental student, school of dentistry tehran university of medical sciences, tehran, iran. mehrfam khoshkhounejad assistant professor, dental research center dentistry research institute, department of endodontics, school of dentistry tehran university of medical sciences, tehran, iran.

the aim of this study was to compare the effect of an acidic environment on dislocation resistance (push-out bond strength) of endosequence root repair material (errm putty and errm paste), a new bioceramic-based material, to that of mineral tri-oxide aggregate (mta).one-hundred twenty root dentin slices with standardized canal spaces were divided into 6 groups (n = 20 each) and filled with too...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و علوم انسانی 1391

why some learners are willing to communicate in english, concurrently others are not, has been an intensive investigation in l2 education. willingness to communicate (wtc) proposed as initiating to communicate while given a choice has recently played a crucial role in l2 learning. it was hypothesized that wtc would be associated with language learning orientations (llos) as well as social suppo...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده زبانهای خارجی 1389

abstract this study examines the effect of teaching lexical inferencing strategies on developing reading comprehension skill of iranian advanced efl learners. participants were female students of meraj and shokouh institudes of garmsar a quasi-experimental design using two intact advanced classes of efl students at meraj and shokouh institutes. as the first step, a general toefl proficiency te...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی و تربیت بدنی 1389

teachers’ beliefs greatly influence their performance in the classroom, their choice of instructional strategies, their way of controlling the class, their dealing with the students, and their general goals and objectives. one of these beliefs is teachers’ sense of efficacy which is viewed as an important construct and has shown to be positively correlated with students’ achievement (ross, 1992...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده علوم انسانی و پایه 1393

burnout is a response to the chronic work stress which is prevalent mostly among the people who do people job, like teaching. the purpose of this study was to develop a valid and reliable instrument that can measure burnout in foreign language teachers. although some widely used instruments were developed before which measured burnout in teachers, a specific instrument which include specific sy...

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

abstract poor reading comprehension can result in failure in using references, benefiting from professional gatherings and resources, keeping up with the growing body of knowledge in the virtual world of the internet, and failing to achieve in efl programs. the purpose of the present quasi-experimental study was to explore the effects of background knowledge and previewing narrative and expos...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1392

in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

Journal: :جنگل و فرآورده های چوب 0
محمد قلیزاده دانشجوی کارشناسی ارشد فرآورده های چندسازة چوبی، دانشکدة کشاورزی و منابع طبیعی دانشگاه گنبد کاووس، گنبد، ایران لعیا جمالی راد استادیار گروه علوم و صنایع چوب و کاغذ دانشگاه گنبد کاووس، دانشکدة کشاورزی و منابع طبیعی دانشگاه گنبد کاووس، گنبد، ایران هدایت الله امینیان استادیار گروه علوم و صنایع چوب و کاغذ دانشگاه گنبد کاووس، دانشکدة کشاورزی و منابع طبیعی دانشگاه گنبد کاووس، گنبد، ایران سحاب حجازی دانشیار گروه علوم و صنایع چوب و کاغذ دانشگاه تهران، دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران

tobacco is planted extensively in golestan province and high volume of its stem wastes remained without using and it is burned. as a useful purpose of these wastes and to reduce the environmental problems, in this the mechanical properties of polypropylene composites reinforced with tobacco stalk flour were studied. for this purpose, the tobacco stalk flour as the reinforcement, in three levels...

Journal: :civil engineering infrastructures journal 0
hamidreza tavakoli babol university of technology masoud fallahtabar babol university of technology mohammad parvin babol university of technology

this paper investigated the effects of combining fibers with self-consolidating concrete (scc). 12 series of test specimens were prepared using three kinds of fibers including steel, polyphenylene sulfide (pps) and glass fibers with four different volumes fractions and one specimen without fibers as a reference sample. all plans were subjected to fresh concrete tests. for mechanical behavior of...

ژورنال: حیات 2010
خسروی, شهلا, خواجه‌نصیری, فرحناز, ستوده, گیتی, نیازی, الهام, کوهدانی, فریبا,

Background & Objective: It is essential to conduct studies on factors related to obesity in both reproductive ages and menopausal period. The aim of this study was to describe the prevalence of general and android obesity and to assess determinants of overweight in pre- and post-menopausal women. Methods & Materials: In this cross-sectional, random survey of households, about 610 women 20-65 y...

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