نتایج جستجو برای: this paper estimates demand functions for wireless and wireline phone
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asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
this study investigated the effects of three kinds of gloss conditions, that is traditional non-call marginal gloss, audio gloss, and extended audio gloss, on reading comprehension and vocabulary gain of iranian upper- intermediate efl learners. to this end, three experimental and one control groups, each comprising 15 participants, took part in the current study. in order to ensure that the pa...
The merger of Cingular and AT&T Wireless created the single largest national-footprint wireless carrier within the U.S. Two Regional Bell Operating Companies (RBOCs), SBC and BellSouth, wholly own and control the merged entity. In addition, the second-largest wireless firm post-merger, Verizon Wireless, is also an affiliate of another RBOC. Evidence raised in the public record indicates that th...
the purpose of this study was to find the relationship between critical thinking and self-regulation with reading comprehension of iranian female elementary language learners. the present study is a correlational one having a descriptive design. two questionnaires, critical thinking questionnaire and self-regulation questionnaire which were valid and reliable questionnaires and four reading com...
sange siyah dam is located two kilometers down the kabod khani village. the environ of ghorrve city in kurdestan province. this is an clay core dam. in this dam instrumentation is performed in three section and consist of electrical piezometers, total pressure cells, settlement cells and so on. the main objective of instrumentation is to control the behavior of dam body and foundation, end else...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
august wilson is undoubtedly one of the rare black playwrights whose works have attracted streams of attention and worldwide audience. the present study aims at analyzing fences and piano lesson which are two of the most successful plays in his pittsburgh cycle from the perspective of michel foucault’s theories and ideas. studying these two plays from foucault’s perspective opens new windows in...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
Support of multimedia connectivity, packet access and bandwidth upon demand are essential features of future global communication networks. The core wireline network has evolved towards providing these broadband services. The increasing demand for mobile information access as well as the opportunity to deliver residential broadband service via wireless local loop necessitate the extension of th...
INTRODUCTION With the explosive growth of cellular voice services in the past few years, it is expected that there will be a tremendous demand for wireless data service in the future. When the medium that people use to access to the Internet changes from wireline to wireless networks, many protocols that were originally developed in the wireline environment will face the new challenges unique t...
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