یکی از دلایل عمده¬¬ی مقاومت فوق¬العاده¬ بالای سیست آرتمیا به استرس در شرایط چالش بر¬انگیزی نظیر خشکی شدید، بی¬آبی، فقدان اکسیژن طولانی مدت، درجه حرارت¬های بالا و دوزهای بالای پرتو فرابنفش، سنتز منظم پروتئین آرتمین (یکی از اعضای فراخانواده¬ی فریتین) است. پیش از این، cdna¬ی آرتمین از جنین¬ سیت آرتمیا اورمیانای دریاچه¬ی¬ ارومیه جداسازی و درون وکتور pet28a به¬ منظور تولید سلول¬های e. coli نوترکیب ک...

abstract poor reading comprehension can result in failure in using references, benefiting from professional gatherings and resources, keeping up with the growing body of knowledge in the virtual world of the internet, and failing to achieve in efl programs. the purpose of the present quasi-experimental study was to explore the effects of background knowledge and previewing narrative and expos...

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

the major aim of this study was to investigate the relationship between iq, eq and test format in the light of test fairness considerations. this study took this relationship into account to see if people with different eq and iq performed differently on different test formats. to this end, 90 advanced learners of english form college of ferdowsi university of mashhad were chosen. they were ask...

asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...

به منظور مطالعه اثر زمانهای مختلف پرتوتابی مایکروویو (با قدرت 900 وات و فرکانس 2450 مگاهرتز) بر قابلیت هضم و تجزیه پذیری دانه سورگوم سه آزمایش انجام گرفت. در آزمایش اول برای مطالعه تاثیر پرتوتابی ماکروویو بر روی قابلیت هضم دانه سورگوم در کل دستگاه گوارش، از 16 رأس گوسفند نژاد قزل – مرینوس در 4 گروه استفاده گردید. دامها جیره کاملاً مخلوط متشکل از 40% علوفه و 60% کنسانتره را دریافت کردند. جیره 1 ح...