نتایج جستجو برای: concircularvector field
تعداد نتایج: 786806 فیلتر نتایج به سال:
image segmentation is an important task in image processing and computer vision which attract many researchers attention. there are a couple of information sets pixels in an image: statistical and structural information which refer to the feature value of pixel data and local correlation of pixel data, respectively. markov random field (mrf) is a tool for modeling statistical and structural inf...
چکیده ندارد.
Introduction: It has been reported that cardiovascular effects are among the possible health effects of being exposed to extremely low frequency electromagnetic fields (ELF EMSs). Material and Methods: This study has been conducted to evaluate the long term effects of exposure to magnetic and electric fields on electrocardiogram signal changes. Nine power transmission posts having different vol...
Background The aim of this study was to investigate the effect of applying the 1-mT magnetic field (MF) in the ovarian tissue vitrification. MaterialsAndMethods Ovaries of 6-8 week-old Naval Medical Research Institute female mice randomly were divided into 5 groups: V1: Ovaries that immediately after leaving of the mice body, were examined histologically (control group), V2: Ovaries that withou...
حدود نیم قرن است که تحقیقات در مورد استفاده از جت ها برای تخلیه پساب در محیط پذیرنده به نحوی که کمترین زیان را برای محیط زیست داشته باشد شروع شده است. در این زمینه مسیر حرکت جت از اهمیت خاصی برخوردار است. به صورتی که در بعضی از کشورهای پیشرفته مشخص کردن آن در هنگام طراحی اجباری شده است. در بسیاری از موارد جت چگال به صورت افقی در رودخانه تخلیه می شود، که در این صورت منحنی پرتابه جت به صورت سه بع...
this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...
Our aim in this very short note is to show that the proof of the following well-known fundamental lemma of Zariski follows from an argument similar to the proof of the fact that the rational field $mathbb{Q}$ is not a finitely generated $mathbb{Z}$-algebra.
Background: The dramatic increase in the number of general practitioners and their limited job situations has increased the desire to continue studies in specialized fields. However, different fields are not desired in the same way. Therefore, to plan for the guidance of general practitioners towards fields needed for the society, understanding the motives for choosing a field is necessary. The...
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