نتایج جستجو برای: Defect principle

تعداد نتایج: 246899  

In this paper, we improve b-spline collocation method for Benjamin-Bona-Mahony-Burgers (BBMB) by using defect correction principle. The exact finite difference scheme is used to find defect and the defect correction principle is used to improve collocation method. The method is tested on somemodel problems and the numerical results have been obtained and compared.

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و - پژوهشکده علوم نانو 1392

among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...

1994
Pei Wang

By analyzing the relationships among chance, weight of evidence and degree of belief, it is shown that the assertion \chances are special cases of belief functions" and the assertion \Dempster's rule can be used to combine belief functions based on distinct bodies of evidence" together lead to an inconsistency in Dempster-Shafer theory. To solve this problem, some fundamental postulates of the ...

Journal: :International Journal of Advanced Computer Science and Applications 2019

Journal: :فلسفه 0
شیرزاد پیک حرفه استادیار فلسفه دانشگاه بین المللی امام خمینی

this paper, in its first part, analyzes the status and history of the principle of “maximization of the good” and the different meanings of “maximization” and “good.” after explaining and analyzing this principle and its different interpretations, in the first part, this paper, in its second part, categorizes rawls’s criticisms on it, step by step, by extracting and mentioning their premises. i...

2004
Winfried Auzinger Othmar Koch Dirk Praetorius Ewa Weinmüller

Journal: :AIP Advances 2022

With the first-principle method, we studied effects of type and position defects on defect formation energy, electronic band structure, electron mobility 4-layer hexagonal system silicon carbon (4H–SiC). The vacancy energy is smaller than interstitial energy. C smallest, while Si largest. little affected by position. structure shows semi-metallic property due to defect, it a bandgap antisite de...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان کرمان 1380

ترمیم ‏‎asd primum‎‏ درافراد با رنج سنی متفاوت معمولا در برگیرنده عوارض کوتاه مدت و تاخیری می باشد. مابصورت مطالعه توصیفی و گذشته نگر در صدد تعیین نتایج جراحی با تکنیک اصلاح شده در بیماران با نقص ‏‎‏‎(partial a-v canal defect)sdprimum‎‏ در مراکز جراحی قلب کرمانشاه از سال 1373 تا مهرماه 1380 می باشیم.

2007
M. Maksimovic M. Hammer E. van Groesen

Quasi-Normal Modes are used to characterize transmission resonances in 1D optical defect cavities and the related field approximations. We specialize to resonances inside the bandgap of the periodic multilayer mirrors that enclose the defect cavities. Using a template with the most relevant QNMs a variational principle permits to represent the field and the spectral transmission close to resona...

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