نتایج جستجو برای: الگوریتم های فراابتکاری n s g a

تعداد نتایج: 14231975  

Journal: :تحقیقات جغرافیایی 0
صفر معروفی حسین طبری

evaluation of river discharges trends is very important for water resources management and design of irrigation and drainage networks. in this research, annual, seasonal and monthly trends of maroon river discharge were evaluated using the mann-kendall and sen’s slope estimator non-parametric tests and the regression analysis parametric test. for this purpose, river discharge data from five h...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1392

فرض کنید s یک زیرمجموعه دلخواه از گروه جمعی و متناهی g باشد. گراف جمعی کیلی ?=cays(g,s) گرافی با مجموعه رئوس g است. در این گراف دو راس a و bمجاورند اگر وتنها اگر a+b?s. فولرین های (0,3,6) نوعی گراف 3 - منظم هستند که شامل شش ضلعی ها، مثلث ها و نیم یال می باشند. در این پایان نامه با استفاده از فرمول اویلر تعداد هر یک از وجه ها و درجه رئوس را محاسبه می کنیم و نشان می دهیم که این نوع از فولرین ها گ...

Journal: :asia oceania journal of nuclear medicine and biology 0
joji kawabe department of nuclear medicine, graduate school of medicine, osaka city university, japan shigeaki higashiyama department of nuclear medicine, graduate school of medicine, osaka city university, japan kohei kotani department of nuclear medicine, graduate school of medicine, osaka city university, japan atsushi yoshida department of nuclear medicine, graduate school of medicine, osaka city university, japan hiroyuki tsushima department of radiological sciences, ibaraki prefectural university of healthsciences, japan takashi yamanaga department of radiology, osaka city university hospital, japan

a male patient in his 20s presented at our clinic with pain caused by bone metastases of the primitive neuroectodermal tumor, and sr-89 was administrated to palliate the pain. after receiving the injection, the patient complained of a slight burning pain at the catheterized area. slight reddening and small circular swelling (diameter, 0.5 cm) were observed at the catheterized area. sr-89 extrav...

Journal: :acta medica iranica 0
"takavar a rad goodarzi m "

fue to the importance of selecting imaging parameters in magnetic resonance brain angiography, this study was carried out to choose optimum theoretical and experimental parameters for improving image controast and resolution and achieve shorter imaging time for practical reasons.a 1.5t super conductive magnet mri with gradient power of 13 nt/m and larmour frequency of 63 mhz with imaging coli o...

Journal: :مدیریت دولتی 0
حسن عابدی جعفری دکترای مدیریت، استادیار دانشکده مدیریت دانشگاه تهران محمد ابویی اردکان دکترای مدیریت،استادیار دانشکده مدیریت دانشگاه تهران فتاح آقازاده کارشناس ارشد مدیریت شهری دانشگاه تهران

the goal of this article is mapping urban management science. the main question of the research is “what are the subject areas of urban management science and how is the relation between these subject areas?” the map of urban management science can help to recognize urban management and its subject areas and can help policy makers to get familiar with the priorities in this subject area. for th...

Journal: :مهندسی صنایع و مدیریت 0
راشد صحرائیان گروه مهندسی صنایع-دانشگاه شاهد الهه مالکی دانشکده مهندسی صنایع و سیستم های مدیریت-دانشگاه صنعتی امیرکبیر شادی عقیمی پور دانشکده مهندسی صنایع و سیستم های مدیریت-دانشگاه صنعتی امیرکبیر

i n s u p p o r t i n g e n v i r o n m e n t a l s u s t a i n a b i l i t y, m a n a g i n g p r o d u c t r e t u r n s h a s b e c o m e a v e r y i m p o r t a n t a n d c h a l l e n g i n g i s s u e. r e s p o n d i n g t o t h i s t r e n d, r e s e a r c h e r s i n m a n y p a r t s o f t h e w o r l d h a v e c o n d u c t e d n u m e r o u s s t u d i e s i n r e v e r s e l o g i ...

Journal: :iranian journal of basic medical sciences 0
wenhua zhou cancer research institute, university of south china, key laboratory of cancer cellular and molecular pathology of hunan provincial university, hengyang, people's republic of china chi zhang function laboratory center, medical school, university of south china, hengyang, hunan, people’s republic of china hao jiang center for gastric cancer research of human province, the first affiliated hospital, university of south china, hengyang, hunan, people's republic of china zhiwei zhang cancer research institute, university of south china, key laboratory of cancer cellular and molecular pathology of hunan provincial university, hengyang, people's republic of china liming xie center for gastric cancer research of human province, the first affiliated hospital, university of south china, hengyang, hunan, people's republic of china xiusheng he cancer research institute, university of south china, key laboratory of cancer cellular and molecular pathology of hunan provincial university, hengyang, people's republic of china

objective(s):mirnas have been proposed to be key regulators of tumorigenesis, progression and metastasis. however, their effect and prognostic value in gastric cancer is still poorly known. materials and methods: gastric cancer cell lines were cultured. tissue samples obtained from 36 gastric cancer patients were used for quantitative real-time pcr (qrt-pcr) analysis. the tissue microarrays (tm...

Journal: :علوم دامی ایران 0
شهین یادگاری کارشناس ارشد، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا، همدان مصطفی ملکی استادیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا، همدان پویا زمانی دانشیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا، همدان مهدی دهقان بنادکی دانشیار، گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

theaim of the current study was to assess effects of different levels of origanum vulgare (0, 250, 500, 750 and 1000 mg/l) on kinetics of gas production, some ruminal digestion and fermentation parameters, methane production and also to determine its potential in controlling rumen acidosis using in vitro method in four separate phases. in the first phase, the asymptote of gas production (a) and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1390

we commence by using from a new norm on l1(g) the -algebra of all integrable functions on locally compact group g, to make the c-algebra c(g). consequently, we find its dual b(g), which is a banach algebra so-called fourier-stieltjes algebra, in the set of all continuous functions on g. we consider most of important basic theorems about this algebra. this consideration leads to a rather com...

Journal: :iranian journal of neurology 0
zeinab peimani student research comittee, shiraz university of medical sciences, shiraz, iran. mohammad amin banihashemi research center for traditional medicine and history of medicine, shiraz university of medical sciences, shiraz, iran. niloofar namazi student research comittee, shiraz university of medical sciences, shiraz, iran. anahid safari department of pharmacology, school of medicine, islamic azad university, kazeroon branch, kazeroon, iran. ahmad monabati department of pathology, school of medicine, shiraz university of medical sciences, shiraz, iran. mehra mojallal department of pathology, dena hospital, shiraz, iran.

background:   myasthenia  gravis (mg) is an  autoimmune disorder   characterized   by  weakness   and   fatigability  of skeletal muscles. the aim of this study was to determine if pathological characteristics in non-thymomatous patients of mg would correlate with prognosis in a three year follow up. methods:   patients  who  had  had  their  thymectomy   at least  three  years prior to  the  s...

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