نتایج جستجو برای: 10 and 2010
تعداد نتایج: 16969585 فیلتر نتایج به سال:
abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...
A new species of the genus Microtendipes Kieffer, 1915, Microtendipes zhejiangensissp.n., is described, and its morphological description and illustrations are given. A catalogue of the genus in Oriental Region is provided and a key to the males of Microtendipes in the Oriental Region is given.
Electrodynamic space tethers offer the opportunity for in-space “propellantless” propulsion around planets with a magnetic field and an ionosphere. This propulsion is accomplished by converting the magnetic force on the tether current into propulsive or drag thrust to either increase or decrease the orbital energy of the spacecraft system. To validate electrodynamic-tether thrusting, we must be...
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...
Two new species of Stenochironomus Kieffer, 1919 are described in Brazil. New records of Stenochironomus nudipupa Borkent, 1984 and S. gladius Borkent, 1984 from Brazil, new data on geographical distribution of S. jubatus Borkent, 1984 and S. triannulatus Borkent, 1984 from the State of Roraima, and S. bacrionis Borkent, 1984 recorded from the State of Amazonas, as well as emended descriptions ...
the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...
بررسی فونستیک کنه های پیش استیگما prostigmata)) باغ های مرکبات شرق استان گیلان طی سال های 1391-1390 انجام شد. در آزمایشگاه کنه ها با قرار دادن نمونه ها مانند اندام های گیاهی، خاک و علف های هرز در قیف برلیز یا بررسی اندام های گیاهی زیر استریومیکروسکوپ جداسازی شدند. سپس کنه ها در محلول نسبیت یا لاکتوفنل شفاف شده و در محیط هویر از آن ها اسلاید میکروسکوپی تهیه شد. در مجموع، 27 گونه متعلق به 26 جنس ...
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