نتایج جستجو برای: آشکارساز mrc

تعداد نتایج: 5783  

2006
Semion GUTMAN Alexander G. RAMM

The Rayleigh conjecture on the representation of the scattered field in the exterior of an obstacle D is widely used in applications. However this conjecture is false for some obstacles. AGR introduced the Modified Rayleigh Conjecture (MRC). In this paper we present a version of the MRC based on an optimal choice of sources. The method is implemented and tested for various 2D and 3D obstacles i...

2004
John Duncan Glyn W. Humphreys

By: John Duncan MRC Applied Psychology Unit, Cambridge, England Glyn W. Humphreys Birkbeck College, University of London, London, England Financial support was provided by the MRC Applied Psychology Unit, where the work was carried out. The second author's research is also supported by grants from the Medical Research Council, Economic and Social Research Council, and Science and Engineering Re...

Journal: :Statistical Analysis and Data Mining 2023

This paper discusses, in a multiclass classification setting, the issue of choice so-called categorical classifier, which is procedure or criterion that transforms probabilities produced by probabilistic classifier into single category class. The standard Bayes Classifier (BC), but it has some limits with rare classes. studies performance BC versus two alternatives, are Max Difference (MDC) and...

ژورنال: :سنجش و ایمنی پرتو 0
احسان علی بیگی ehsan alibeigi amirkabir university of technologyدانشگاه امیرکبیر دانشکده مهندسی انرژی و فیزیک محمد رضا قاسمی mohammad reza ghasemi aeoiسازمان انرژی اتمی، پژوهشکده فیزیک و شتابگرها، گروه پژوهشی شتابگرها مجتبی شمسائی mojtaba shamsaei amirkabir university of technologyدانشگاه امیر کبیر، دانشکده مهندسی انرژی و فیزیک

با توجه به نیاز و کاربرد وسیع آشکارساز های نوترون به ویژه در رآکتورهای هسته ای و همچنین افزایش تعداد دستگاه های شتاب دهندۀ خطی، طراحی و ساخت آن ها یک امر ضروری به حساب می آید. هدف این مقاله، ساخت آشکارساز نوترون باقابلیت جبران سازی پاسخ گاما و دمای محیط است. برای ساخت این آشکارساز ازترموکوپل های ویژه ای که محل اتصال سیم ها (نقطۀ داغ ترموکوپل) در آن باکاربید بور پوشش دهی شده است، استفاده شد. دری...

2015
Yıldıray Sisman Ahmet Ercan-Sekerci Mehtap Payveren-Arıkan Halil Sahman

OBJECTIVES The clinical significance of the existence of a retromolar canal and of its neurovascular content is not yet clear.The aim of the present study was to assess the visibility, diameter and course of the mandibular retromolar canal (MRC) using cone beam computed tomography (CBCT) scan--had been taken for pre-operative radiographic evaluation of impacted mandibular third molars--compared...

2016
Natália A Ferreira Agnaldo José Lopes Arthur S Ferreira George Ntoumenopoulos Jerffesson Dias Fernando S Guimaraes

AIM To investigate the factors associated with the functional progress of hospitalized patients following an intensive care admission. METHODS Retrospective study including data from a cohort of 198 hospitalized patients following an intensive care admission and not requiring mechanical ventilation in a single tertiary referral hospital. A generalized linear model was used to identify the mai...

2013
Mohamed A El-Serafy Moustafa H Aly El-Sayed A El-Badawy Ibrahim A Ghaleb

When a link fails in an IP network, the network re-converges to redirect the traffic away from the failed link. IP fast reroute is used to minimize the time taken to redirect the traffic to an alternate path. Multiple routing configurations (MRC) is the IP fast reroute scheme under consideration. In this paper, we will discuss how to minimize the impact of the MRC recovery process on the post f...

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