مقدمه : سقط شایع ترین عارضه بارداری بوده و در ? 15 حاملگی ها رخ می دهد . اختلالات ایمنولوژیک یکی از علل شایع سقط می باشد که خود شامل فاکتورهای آلوایمیون و اتوایمیون می باشد . با توجه به نقش آنتی بادی ها ضد تیروئیدی از جمله anti-tpo به عنوان یک فاکتور اتوایمیون در ایجاد سقط های خودبه خودی ومکرر ، در این مطالعه به بررسی ارتباط بین این دو می پردازیم . اهداف : هدف کلی : بررسی ارتباط بین سطح anti-...

armenias geopolitics and its historical experience have had a determining impact on the character of its foreign policy .present-day armenia is a small, landlocked country with _11,620 square miles area armenias landlocked nature makes it dependent on the benevolence of its neighbors for access to the outside world a fact that gives it a sense of isolation and vulnerability. as it was indic...

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

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...

like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...