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تعداد نتایج: 13696355 فیلتر نتایج به سال:
The purpose of the present study is to investigate the boundary layer separation point in a magnetohydrodynamics diffuser. As an innovation, the Re value on the separation point is determined for the non-Newtonian fluid flow under the influence of the non-uniform magnetic field due to an electrical solenoid, in an empirical case. The governing equations include continuity and momentum are solve...
primary splenic cyst is a rare entity and majority of the cases are classified as epithelial cysts. they are uncommon, comprising only about 10% of benign non-parasitic cysts. most of the cysts are asymptomatic, and they are incidental findings during abdominal ultrasonography. we report a case of 20 years old male who presented with 1 year history of mild abdominal pain and left upper quadrant...
a rare case of non-puerperal uterine inversion caused by a large fundal leiomyoma in a 39-year nulliparous, infertile woman resulting in intractable hemorrhage was reported after a myomectomy. attempts to reduce the inversion vaginally by transecting the anterior and posterior cervix were unsuccessful and a laparotomy was performed. the inversion was not successfully corrected and hysterectomy ...
the ability to speak two languages in the world is a remarkable achievement. there is a good reason to believe that bilingualism is the norm for the majority of people in the world because 70% of the earth’s population are supposed to be bilingual or multilingual. various investigations have shown that the native language impacts foreign word recognition, and this influence is adapted by the de...
با گسترش زبان و ادب پارسی و آشنایی دیگر کشورها با آثار شعرا و نویسندگان ایرانی و اشتیاق به درک و دریافت مفاهیم آن، از ابتدای قرن هفتم، برخی بزرگان در داخل و عدّه ای بیرون از مرزها، به شرح و تفسیر آثار مشهور ادبی ایران پرداختند.یکی از شارحان مشهور دیوان انوری، محمد بن داوود علوی شادیآبادی از فضلای هند است، وی در نیمة دوم قرن نهم و ابتدای قرن دهم میزیسته، به امر ناصرالدّین خلجی جهت فهم و دریافت آ...
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...
let c be a field of subsets of a set i. also, let 1 i i be a non-decreasing positivesequence of real numbers such that 1, 1 0 1 i and 11 i i . in this paper we prove thatbv of all the games of -bounded variation on c is a non-separable and norm dual banach space of thespace of simple games on c . we use this fact to establish the existence of a linear mapping t from...
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...
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