two vessels from different sites of the iranian plateau, dating to the late 4th or early 3rd millennium bce are presented aspalaeotechnological case studies. in the fractures of the vessels’ walls, interfaces left by added clay parts (enhanced inthe two illustrations) are quite recognizable. it is proposed that in both cases potters, in order to construct the bases, usedto make bowls comparable...

principle that most of us are linked by short chains of acquaintances — was first investigated as a question in sociology and is a feature of a range of networks arising in nature and technology. Experimental study of the phenomenon revealed that it has two fundamental components: first, such short chains are ubiquitous, and second, individuals operating with purely local information are very a...

Background Our recent findings have shown that the rat testis is subjected to significant oxidative stress during the early phase of diabetes induced by Streptozotocin (STZ). In the present study, we have investigated whether oral supplementation of β-carotene (BC) to pubertal rats would provide protection against diabetes associated oxidative stress in testis and liver. MaterialsAndMethods Mal...

:هلاقم هصلاخ هداد حیضوت تیوضع عباوت ریداقم هلیسو هب تفج هب تفج هسیاقم هک ینامز یزاف یبتارم هلسلس لیلحترد اب یزافیراگزاس زا یفیرعت قیقحت نیا رد ،تسا هداس رایسب متسیس یراگزاس دروم رد ثحب،دوش یم ثعابو دنتسه رادروخرب یا هژیو تیمها زا یزاف یاه تبسن ،ًامازلا .دوش یم هئارا یراگزاس خرن نازیم یعضوم یاه تیولا تیوضع ریداقم اب یاه تیدودحم ناونع هب نینچمه ،دوش یم یراگزاسان خرن داجیا یدنب هبتر max-minیاه هعوم...