نتایج جستجو برای: replacement model

تعداد نتایج: 2204107  

Journal: :مهندسی عمران فردوسی 0
عباس حق اللهی امیر طریقت محمد شفیعی زاده

this paper deals with the interfacial effects of silica fume (sf) and styrene-butadiene polymer (sbr) on compressive strength of concrete. analyzing the compressive strength results of 32 concrete mixes performed over two water-binder ratios (0.35, 0.45), four percentages replacement of silica fume (0%, 5%, 7.5%, 10%) and four percentages of sbr (0%, 5%, 10%, 15%) were investigated. a mathemati...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

Journal: :IEICE Transactions on Information and Systems 2012

Journal: :Acta Crystallographica Section A Foundations and Advances 2015

Journal: :Journal of Inherited Metabolic Disease 2013

Journal: :Proceedings of the National Academy of Sciences 2015

Journal: :Korean Journal of Applied Statistics 2010

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