نتایج جستجو برای: but in 1990s
تعداد نتایج: 17049224 فیلتر نتایج به سال:
T he first successful heart valve replacements were carried out in 1960 with the use of mechanical prostheses.1-3 Because of the risk of throm-boembolism that is inherent to all mechanical prosthe-ses and the hazards of continuous anticoagulation, fewer thrombogenic tissue valves were developed.4,5 In the early 1960s, homograft replacement of the aortic valve was reported,6'7 and shortly therea...
کتاب تبصره المومنین(نگارش در سال1080ق) تالیف محمد مومن حسینی تنکابنی، جوابیه و ردّیه ای بر سخنان ملامحمد طاهر قمی در کتاب تحفه الاخیار است. این تحقیق تصحیح انتقادی و نقد وبررسی این کتاب است که نسخه مجلس شورای اسلامی اساس قرارداده شده و با سه نسخه دیگر مقابله شده است. نویسنده کتاب یکی از پزشکان دربار شاه سلیمان صفوی(1077) است. وی در عصری زندگی می کند که تصوف وصوفیان اگرچه درحمایت نسبی حکومت هستند...
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
چکیده پژوهشکده امام خمینی(س) و انقلاب اسلامی مقطع تحصیلی:کارشناسی ارشدچکیده پژوهشکده امام خمینی(س) و انقلاب اسلامی مقطع تحصیلی:کارشناسی ارشد رشته تحصیلی:اندیشه سیاسی در اسلام عنوان پایان نامه:تبیین نظریه حکومت اسلامی امام خمینی بر مبنای الگوی فهم نظریات سیاسی اسپریگنز نام و نام خانوادگی دانشجو:علی مرادی استاد راهنما:دکتر یحیی فوزی استاد مشاور:دکتر منصور انصاری تاریخ شروع پایان نام...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
learning-oriented assessment seeks to emphasise that a fundamental purpose of assessment should be to promote learning. it mirrors formative assessment and assessment for learning processes. it can be defined as actions undertaken by teachers and / or students, which provide feedback for the improvement of teaching and learning. it also contrasts with equally important measurement-focused appro...
abstract: sayyed mohammad tabatabaee is accounted as one of the effective persons in iran contemporaneoushistory and his role in the events of iran constitution revolution is inevitable. sayyed mohammad tabatabaee from the time of naser al din shah qajar and arrival to iran, informed of the advantages and the basis of constitution, was in the thought of making the iran rule as a constituti...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید