نتایج جستجو برای: all self
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مقاومت دارویی چندگانه (mdr) در میان محققین به عنوان مانع اصلی در درمان سرطان های مختلف به وسیله شیمی درمانی قلمداد می شود. این پدیده از طریق مکانیسم های مختلف، درنهایت موجب کاهش اثر داروهای ضدسرطان بر علیه سلول های سرطانی می گردد. یکی از بارزترین این مکانیسم ها از طریق بالا رفتن میزان بیان پروتئین های گذرنده از غشاهای سلولی اِعمال می شود که عضو ابرخانواده انتقال دهنده های متصل شونده به atp (abc)...
if the reason of many conflicts in the world politics is scrutinized, majority of them rooted in self-determination. the conceptual transformation of the principle of self-determination could be studied in three historic periods. first, it aimed to legitimize the independence of new states which were created of defeated and collapsed empires in the aftermath of first world war. but after the se...
introduction: self-immolation is highly rare in developed countries (0.06% -1.8% of all suicides), whereas it is more frequent in developing countries (39.8%-40.3% of all suicides). self-immolation consists of 0.4% to 40% of total burn center admissions around the word. without any doubt, self-immolation is one of the health problems in which developing countries(such as iran and of course some...
self-incompatibility in almond and prunus species is an important genetic trait that prevents self-fertilization. self-incompatibility in almond is controlled gametophytically by the multiallelic s-locus. this study was done in order to identification and preliminary selection of self-compatible progenies resulted from controlled crosses in almond using specific primer sff-sfr.some important mo...
We report on the generation of self-similar pulses from an self-starting saturable absorber mirror (SAM) based environmentally stable fiber laser comprising only polarization maintaining (PM) fibers. Pulse energies of 1 nJ at a repetition rate of 17 MHz were obtained, which could be externally compressed to an autocorrelation width of 280 fs.
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