نتایج جستجو برای: some irregular reflected and refracted waves are exist
تعداد نتایج: 17113282 فیلتر نتایج به سال:
عنوان:بازتاب دفاع مقدس در شعر سه بانوی شاعر(طاهره صفارزاده، سپیده کاشانی، سیمین دخت وحیدی) نام ونام خانوادگی:شیرین علیپور پیروزیان رشته تحصیلی:زبان وادبیات فارسی نام استاد راهنما :دکتر مهین پناهی نام استاد مشاور : دکتر مهدی نیک منش زمان دفاع:14/ 7/1388 چکیده موضوع این پژوهش چگونگی بازتاب دفاع مقدس در اشعار سه بانوی شاعر " طاهره صفّارزاده" ، "سپیده کاشانی" و" سیمین دخت وحیدی " است ....
In boreholes where formation shear velocity is lower than borehole tluid velocity neither refracted shear waves nor pseudo-Rayleigh waves can propagate. When frequency response of the sonde does not extend to low frequencies (e.g. 2 kHz) Stoneley waves are not excited efficiently. In such cases refracted P, leaking modes (PL) and tluid waves become dominant phases on a full waveform acoustic lo...
this thesis deals essentially (but not from all aspects) with the extension of the notion of semigroup compactification and the construction of a general theory of semitopological nonaffine (affine) transformation semigroup compactifications. it determines those compactification which are universal with respect to some algebric or topological properties. as an application of the theory, it is i...
the present study is paid to the evaluation of the welfare program of the unemployment insurance in iran. the main purpose which was the main reason for performing this thesis, was the unemployment insurance plan’s challenges in iran such as financial problems of this plan, prolongation of the credit receipt for some insured people, unemployment slow exiting from the unemployment insurance fund...
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...
In this paper, we study the intersection (interaction) between several steady shocks traveling in same direction. The interaction overtaking may be regular or irregular. case of reflection, leads to formation a resulting shock, contact discontinuity, and some reflected discontinuities. type discontinuity depends on parameters incoming shocks. At irregular Mach shock forms Reflected discontinuit...
chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...
wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...
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