صفحه‌­ی مینیاتوری LEU پرتودهی شده در رآکتور تحقیقاتی تهران که برای تولید رادیوایزوتوپ مولیبدن-99 استفاده می‌شود، منبع پرتوزایی متشکل از رادیوایزوتوپ‌های مختلف است. محاسبه و تخمین آهنگ دز تابش‌های گامای گسیلی این منبع، به منظور مقایسه با مقادیر مجاز توصیه حمل‌ونقل مواد پرتوزا حفاظت پرتویی کارکنان حین انجام تست‌های آزمایشگاهی داغ، پیش هر اقدام عملی، امری ضروری مقاله، اعتبار یک روش پیشنهادی جهت هد...

OBJECTIVE We investigated the independent association between several neighbourhood built environment features and physical inactivity within a national sample of Canadian youth, and estimated the proportion of inactivity within the population that was attributable to these built environment features. METHODS This was a cross-sectional study of 6626 youth aged 11-15 years from 272 schools acr...

Allograft survival is marked ly prolonged by a var iety of p re t rea tment regimens such as lymphocytotoxie drugs, i rradiat ion, a n d / o r cul ture of donor tissue. These procedures, initially appl ied to the thyroid (1, 2) and subsequent ly to islets o f Langerhans , stress the role of passenger lymphoid cells in allograft rejection. Marked prolongat ion of islet allograft survival (>100 d...

INTRODUCTION Deep dyspareunia negatively affects women's sexual function. There is a known association between deep dyspareunia and endometriosis of the cul-de-sac or uterosacral ligaments in reproductive-age women; however, other factors are less clear in this population. AIM To identify anatomic sites and associated clinical factors for deep dyspareunia in reproductive-age women at a referr...