نتایج جستجو برای: aor

تعداد نتایج: 7130  

جهانفر, شایسته, حمزه گردشی, زینب, زنده دل, مژگان, فولادی, انسیه,

Background and purpose: Unwanted fertility is rarely studied among men.The aim of this study was to investigate the frequency of unintended pregnancy and its related factors in married men in South of Tehran, Iran. Materials and methods: This descriptive-analytic study was conducted in 507 married men aged 23-49 in 2017. Demographic characteristics of the participants, their fertility history ...

Journal: :Journal of Computational and Applied Mathematics 1988

برادران, حمیدرضا, کاشانیان, مریم, موسوی, سیده سمیه ,

  Background : Ectopic pregnancy (EP), is one of the most important complications of pregnancy and one of the most important factors of maternal mortality in developing countries. Evaluation of the risk factors might be helpful for patients in order to conduct a better management.   The purpose of the present study, was to determine the risk factors of ectopic pregnancy and to compare them betw...

Gadari, F, Haghdioost, AA, Karamouzian, M, Moradi, M, Piri, M, Sharifi, H,

  Background and Objectives: At present, investigation of extensive contact of tuberculosis (TB) patients’ families is not a routine part of TB control efforts in most countries. This study was conducted to evaluate the effective contacts of TB cases to assess the potential risk of transmission and its determinants in their families.   Methods: In this cross-sectional study, registered TB ca...

Background & aim: The caesarean rate is on the rise in Cameroon; nonetheless, there is a paucity of data regarding its associated risk factors and outcomes.  This study aimed to determine the associated risk factors, as well as maternal and fetal outcomes of caesarean delivery in four hospitals in Cameroon. Methods:</str...

2009
Gerd Wagner Ion-Mircea Diaconescu

In this paper, we describe an ontologically well-founded agentbased discrete event simulation framework with a high-level rulebased simulation language and an abstract simulator architecture and execution model, which allows both basic discrete event simulations without agents and complex agent-based simulations with (possibly distorted) perceptions and (possibly false) beliefs. The framework i...

2013
Elizabeth Rosenzweig

Just as the invention of photography challenged the world's visual literacy at the turn of the century, so has computer graphics begun to reshape visual communication. Although still in its infancy, recently developed tools for visual communication have made computer graphics and electronic imaging accessible to a much larger number of artists and other professionals. The use of these systems h...

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

با استفاده روش تکراری ?-بلوکی sor را برای حل دستگاه ax = b که در آن a یک ماتریس مختلط m*n با شرط m بزرگتر مساوی n و رتبه ماتریس a کمتر مساوی n می باشد a را تجزیه وروش تکراری aor به کار می بریم.و بعد شبه همگرایی روشهای aor , jor را مورد بررسی قرار می دهیم. و در نهایت شرایط لازم و کافی را برای شبه همگرایی توسعه می دهیم.وپارامتر بهینه و فاکتور پیوسته همگرایی روش را به دست مل آوریم.

Journal: :Linear Algebra and its Applications 1997

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