نتایج جستجو برای: vaccum fan

تعداد نتایج: 12344  

Journal: :International journal of innovative technology and exploring engineering 2021

Present paper focuses on design and simulation of an inset fed rectangular microstrip patch antenna for GPS applications. The proposed is designed at frequency 1.9 GHz which comes in L-Band region simulated using Electromagnetic Simulator such as HFSS software with three different dielectric substrates comparing their performance characteristics gain, bandwidth, beam width, VSWR return loss. re...

Journal: :Medical physics 2005
Xiaochuan Pan Yu Zou Dan Xia

Algorithms have been developed for image reconstruction within a region-of-interest (ROI) from fan-beam data less than that required for reconstructing the entire image. However, these algorithms do not admit truncated data. In this work, we investigate exact ROI-image reconstruction from fan-beam data containing truncations by use of the so-called fan-beam backprojection-filtration (BPF) algor...

Journal: :J. Symb. Comput. 2017
Thomas Markwig Yue Ren

We generalise the notion of Gröbner fan to ideals in RJtK[x1, . . . , xn] for certain classes of coefficient rings R and give a constructive proof that the Gröbner fan is a rational polyhedral fan. For this we introduce the notion of initially reduced standard bases and show how these can be computed in finite time. We deduce algorithms for computing the Gröbner fan, implemented in the computer...

Journal: :Medical physics 2006
Qiu Huang Gengsheng L Zeng Jiansheng Wu

An inversion formula was developed by Bukhgeim and Kazantsev for attenuated fan-beam projections [Russian Academy of Science Siberian Branch: The Sobolev Institute of Mathematics (2002)]. The inversion formula was obtained by relating the attenuated fan-beam projections to unattenuated fan-beam projections and by trickily processing the unattenuated fan-beam projections. We show in this paper t...

2008
Xiaojun Yu

In this paper, employing the Ky Fan section theorem,we give a class of Ky Fan inequality for set-valued maps,usually it takes Ky Fan inequality ,vector equilibrium problems as its special cases.

1996
Ramachandran Vaidyanathan Sudharani Nadella

We consider a large class of algorithms called “Fan-in algorithms’’ that are useful for problems involving semigroup operations. This paper deals with the design of faulttolerant multiple bus networks (MBNs) suited to run Fan-in algorithms. We present two methodsfor constructing Fanin MBNs with tolerance to bus faults, that have nearly optimal pe$ornaance and processor fan-out. We also present ...

Journal: :مدیریت ورزشی 0
بهزاد ایزدی . استادیار گروه تربیت بدنی، دانشکدۀ علوم انسانی و اجتماعی، دانشگاه کردستان، سنندج، ایران محمد احسانی . استاد گروه تربیت بدنی، دانشکدۀ علوم انسانی، دانشگاه تربیت مدرس، تهران، ایران هاشم کوزه چیان . استاد گروه تربیت بدنی، دانشکدۀ علوم انسانی، دانشگاه تربیت مدرس، تهران، ایران فرشاد تجاری . دانشیار گروه مدیریت ورزشی، دانشکدۀ تربیت بدنی دانشگاه آزاد اسلامی واحد تهران مرکز، تهران، ایران

the aim of this study was to investigate the effect of management dimensions of fan relationship on fan lifetime value in iran football premier league. the research method was developmental with regard to the aim and exploratory considering the nature of the study. the data were gathered through interviews, observation, review of the related literature and questionnaires. the statistical popula...

نصیری, سید مهدی, جعفری فر, جواد , لغوی, محمد ,

Wheat as a main food source is partly lost in different ways such as planting, harvesting, storage and even in consumption processes. This calls for attention to reducing these losses through application of the results from agricultural research, use of new farming practices, improvements in management system and repair and renewal of farm machinery. The present study considers the design, deve...

Abedini, Moosa, madadi, aghil, Nouhi, Mohammad,

Aims & Backgrounds: Alluvial fans are one of the most prominent phenomena in fluvial geomorphology, which are found mostly on the mountain front. These landforms are affected by climate change and tectonic activity and record their effects. Therefore, we can use them to understand climate change and tectonic activities. The aim of this study was to determine the tectonic activity in the northe...

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