in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...

تغییرات ضربان قلب (heart rate variability) در طی التهاب سیستمیک کاهش پیدا می کند، امّا مکانیسم آن ناشناخته است. این مطالعه به منظور بررسی اثرات محیطی و مرکزی اینترلوکین6 به عنوان یکی از سایتوکاین های تولید شده در شرایط التهاب سیستمیک بر روی تغییرات ضربان قلب انجام شد. بدین منظور مطالعات مولکولی، in vitro و in vivo بر روی موش های balb/c نر طراحی و انجام شدند. با مطالعات مولکولی نشان داده شد که mr...

abstract translation has become a cultural act which plays a significant role in human life. with the emergence of functional translation theories, and skopos theory in particular, translation has been considered as a purposeful, interpersonal and intercultural activity which is produced for particular recipients and directed by a specific purpose. this purpose determines the translatio...

‏‎the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...

the study aims to achieve research and testing of hypotheses survey techniques and questionnaires to collect information used. 61 questions in the questionnaire included 15 questions and 46 open questions according to research in the study population, girls and their mothers as the value of different children investment should be. mothers according to the research community benefits from havi...

‏‎the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis,a one-way anova experimental design was carried out. 24 sednior students of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inter...

بررسی تآثیر کورکومین بر بیان آکواپورین5 در سلول های سرطانی روده بزرگ انسان(ht-29) سرطان روده بزرگ جزو بیماری های خطرناک بوده و از نظر شیوع سومین سرطان شایع و دومین علت مرگ ومیر ناشی از سرطان در جهان محسوب می شود. خطرابتلا به این سرطان تحت تاثیر دو عامل محیطی وفاکتورهای ژنتیکی می باشد. آکواپورین ها، پروتئین های کانال آبی بوده که نقش مهمی را در انتقال آب در بافتهای اندوتلیالی و اپی تلیالی بر عهد...

this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...

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...

این پژوهش به منظور بررسی تغییرات ترکیب شیمیایی و ارزش غذایی سیلوی سورگوم با افزودن مولتی آنزیم و مخمر به روش in vitro و in situ انجام شد. بدین منظور علوفه سورگوم در مرحله شیری بودن دانه ها در خرداد ماه برداشت و جهت سیلو نمودن به قطعات 4 - 2 سانتی متری خرد گردید. سپس با استفاده از مولتی آنزیم در سه سطح(صفر،3 و 6 گرم در کیلوگرم ماده خشک) و مخمر ساکارومایسیس سرویسیه در سه سطح(صفر، 5/2 و 5گرم در کی...