نتایج جستجو برای: use of e

تعداد نتایج: 21711943  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

A significant amount of contribution to pragmatics research comes from cross-cultural and developmental pragmatic studies with L2 learners in focus; however, despite broad interest in such analyses, the role of lecturers has been relatively ignored. As the lectures’ perceptions/opinions of L2 learners’ e-mail requests are important, L2 learners must become familiar with their lecturers’...

Journal: :jundishapur journal of microbiology 0
atieh sadat moini department of pediatrics, kashan university of medical sciences, kashan, ir iran babak soltani department of pediatrics, kashan university of medical sciences, kashan, ir iran; department of pediatrics, kashan university of medical sciences, kashan, ir iran. tel: +98-3155575840, fax: +98-3155548900 abbas taghavi ardakani department of pediatrics, kashan university of medical sciences, kashan, ir iran alireza moravveji department of community medicine, trauma research center, kashan university of medical sciences, kashan, ir iran mahzad erami department of microbiology, kashan university of medical sciences, kashan, ir iran mostafa haji rezaei trauma research center, kashan university of medical sciences, kashan, ir iran

patients and methods in this cross-sectional study, a total of 250 isolates (134 e. coli and 116 k. pneumoniae) were collected and antimicrobial resistances to ampicillin, amoxicillin-clavulanic acid, amikacin, gentamycin, ceftriaxone, ceftazidime, ciprofloxacin and imipenem were evaluated by disc diffusion method and confirmed by e-test. moreover, risk factors for mdr e. coli and k. pneumoniae...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

Journal: :medical journal of islamic republic of iran 0
hossein navidinia department of english language, university of birjand, birjand, iran. majid zare bidaki birjand university of medical sciences, birjand, iran. nargess hekmati department of english language, hakim sabzevari university, sabzevar, iran.

background: the spread of technology has influenced different aspects of human life, and teaching and learning are not exceptions. this study aimed to examine the potential contribution of the use of technology in teaching english language to medical students.   methods: this qualitative-action research study was conducted in birjand university of medical sciences (bums), with 60 medical studen...

Journal: :جغرافیا و توسعه فضای شهری 0
لیا شاددل امیدعلی خوارزمی

extended abstract 1. introduction the widespread use of the internet in urban communities has changed the geographical concentration of services and has led to the emergence of urban electronic services. improving productivity and increasing access are the benefits of creating electronic services. to achieve these benefits, the acceptance of electronic services in the community should be consid...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1388

در این پایان نامه، به کمک نرم افزار flow-3d میدان جریان عبوری از سریز اوجی بررسی می گردد. همچنین اثر هندسه سرریز و بلندای آب بالا دست سرریز بر میدان جریان و توزیع فشار بررسی شده و تاثیر مدل های مختلف آشفتگی (renormalizd group) rng, k-e, prandtl در میدان جریان نیز مورد توجه بوده است. نرم افزار flow-3d یک برنامه تحلیلی میدان جریان است که معادلات حاکم بر میدان جریان عبوری از روی سرریز که همان معاد...

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

در این پایان نامه که بر اساس مقاله m.a. ruiz, d. stojanoff, some properties of frames of subspaces obtained by operator theory methods, j. math. anal. appl. 343 (2008) 366-378. تنظیم شده است، روابط بین عملگر ها ، پایه های متعامد یکه زیرفضاها و قاب های زیر فضابرای یک فضای هیلبرت جدایی پذیر بررسی می شود. شرایط کافی را روی پایه متعامد زیرفضاهای e = {ei}i?i در فضای هیلبرت h و عملگر پوشای t ? l...

The present study aims to identify the factors affecting the behavior of customers’ use of e-banking services of Tejarat Bank in Tehran. A qualitative method and an in-depth interview have been applied to achieve the research goal. The information and data collected from the interviews have been analyzed using open coding and axial coding. Then, the initial indicators of the model of using e-ba...

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