نتایج جستجو برای: 35n and 50
تعداد نتایج: 16882746 فیلتر نتایج به سال:
در این تحقیق، تنوع ژنتیکی جمعیت آرتمیا اورمیانا و آرتمیا فرانسیسکانا ی موجود در ایران با استفاده از 5 جفت آغازگر ریزماهواره ای (af-b105tail، af-a136، apdq03tail، apdq04tail و apdq05tail) ویژه ی آرتمیا فرانسیسکانا و آرتمیا پارتنوژنتیکا بررسی شد. از 50 سیست آرتمیا ی هر یک از این دو جمعیت به صورت انفرادی dna با روش گلوله ی داغ استخراج شد. با استفاده از آغازگر ها ی پنج گانه و از طریق واکنش زنجیره ا...
there is less published research about how teachers in efl contexts respond to students who are relatively less mature and less competent l2 writers. while writing researchers have examined various issues concerning peer and teacher response in writing-oriented classes, little research has centered on the effect of collaborative tasks particularly dictogloss on writing skills. output collaborat...
a bstra ct background: e-learning can increase knowledge in patients and provide an efficient way to enhance the personnel–patient interaction as well as patient - specific education materials. so, the aim of this study was to compare the effects of two methods, multimedia and illustrated booklet educational method, on primigravida women’s knowledge of prenatal care. results: before train...
introduction: biological effects of magnetic fields have been investigated by scientists for many years and a vast amount of research using different frequencies and intensities have been performed on humans and laboratory animals. the results of these studies, which have mostly been done by applying high frequencies, have shown that electromagnetic fields are effective on structure and functio...
the present study aimed at exploring cognitions of iranian english teachers within the context of english for academic purposes (eap). to this end, the cognitions of two groups of eap teachers with respect to their pedagogical content knowledge (pck) and their sense of professional identity (pi) were probed. two language teachers and two content instructors who had at least five years of eap te...
abstract the variables affecting the nature of reading comprehension can be classified into two general categories: reader’s variables, and text variables (alderson, 2000). despite the wave of research on vocabulary knowledge as reader’s variable, the role of this knowledge in c-test as a text-dependent test and its interaction with lexical cohesion of the test as a text feature has remained a...
One of the most efficient methods to reduce emissions and fuel costs of SI engines in petrol case, is the use of combined gasoline and NG. The ability of an engine is usually expressed with maximum power and maximum torque output of full-load state, but the operating time of the engines with full-load is less than that of part-load time. Therefore, studying the performance of the engine with a ...
مقدمه: شیوع زیاد اختلالات روانی و اثربخشی بالای الکترو شوک درمانی، این درمان را به عنوان درمانی مفید و مؤثر مورد توجه قرارداده است. بیماران دریافت کننده الکتروشوک معمولاً اضطراب شدیدی دارند که سلامت روان بیمار را تحت تاثیر قرار می دهد. این پژوهش با هدف ، تعیین تأثیر مراقبت های حمایتی پرستاران برکاهش اضطراب بیماران دریافت کننده الکترو شک درمانی انجام شد. روش: مطالعه حاضر به صورت کارآزمایی بالینی ...
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