نتایج جستجو برای: 3500 bc
تعداد نتایج: 19762 فیلتر نتایج به سال:
The Big Bang-Big Crunch (BB–BC) method is a relatively new meta-heuristic algorithm which inspired by one of the theories of the evolution of universe. In the BB–BC optimization algorithm, firstly random points are produced in the Big Bang phase then these points are shrunk to a single representative point via a center of mass or minimal cost approach in the Big Crunch phase. In this paper, the...
Background and Objectives: Reproductive factors are in close relationship with breast carcinogenesis. This matched case-control study was conducted to study the association of reproductive risk factors with the risk of breast cancer (BC) among women in Tehran and northwest of Iran. Methods: This hospital-based case-control study was performed on a total of 432 patients diagnosed with BC with...
چکیده فشارش زاویه ای در کانال های همسان(ecap) یکی از پرکاربردترین روش های تغییر پلاستیک شدید می باشد که با ریز کردن دانه ها و ایجاد تکسچر مناسب باعث بهبود استحکام و انعطاف پذیری می شود. در این تحقیق از یک قالب با زاویه داخلی 120 درجه استفاده شد و آلیاژ aa5051 بعنوان ماده مورد آزمایش انتخاب گردید. ecap در 4 پاس و در مسیرهای a، c، ba و bc در دمای c°200 انجام شد. ریزساختار و خواص مکانیکی مورد مطا...
conclusions with regard to high prevalence of bc in iran, this study showed a positive attitude of women in dezful city toward bse. health policymakers in dezful city can establish training programs to increase women’s awareness of bse and to instruct them to perform it properly. objectives the purpose of this study was to evaluate awareness and attitude of women toward bse in dezful city, iran...
s/0098-3500/229475.
"you may take notes for twenty years, from morning to night at the bedside of the sick, upon the diseases of the viscera, and all will be to you only a confusion of symptoms,-a train of incoherent phenomena. Open a few bodies, this obscurity will disappear." Bichat (c 1800)' Rituals related to the disposal of the dead date back to prehistoric times. They arose from religious beliefs and from a ...
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