نتایج جستجو برای: wave breakings

تعداد نتایج: 218253  

Journal: :فیزیک زمین و فضا 0
مهدی قربانی طالقانی دانشجوی کارشناسی ارشد فیزیک دریا، دانشکده منابع طبیعی و علوم دریایی، دانشگاه تربیت مدرس، نور، ایران علی اصغر گلشنی استادیار، گروه فیزیک دریا، مرکز ملی اقیانوس شناسی، تهران، ایران

wave prediction is useful for safety and effective management of vessel navigation or construction of offshore structures. since human activity mainly takes place in nearshore regions, accurate wave prediction is necessary there. however, nearshore waves are not easy to predict compared with ocean waves, because not only the waves but also the wind, which is the energy source of the waves, chan...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم بهزیستی و توانبخشی 1388

qeeg به مفهوم ساده عبارتست از آنالیز کمی (quantitative) امواج یک نوار مغزی برای پی بردن به مختصات کمی موج های موجود در آن از جمله توزیع کمی امواج در محل های مختلف جمجمه یا قدرت هر کدام از امواج از نظر دامنه. در این مطالعه به منظور درک بهتر اختلال اسکیزوافکتیو ، تعداد 40 بیمار بطور تصادفی و بر اساس معیارهای ورود و خروج از مطالعه انتخاب شدند و نوار مغزی آنها که به شیوه کمی مورد آنالیز قرار گرفت...

Journal: :international journal of industrial mathematics 2015
a. mahmoud ‎aly‎‎

‎the water wave generation by wave paddle and a freely falling rigid body are examined by using an incompressible smoothed particle hydrodynamics (isph)‎. ‎in the current isph method‎, ‎the pressure was evaluated by solving pressure poisson equation using a semi-implicit algorithm based on the projection scheme and the source term of pressure poisson equation contains both of divergence free ve...

Journal: :international journal of marine science and engineering 2012
a. h. javid m. abbaspour s. a. mirbagheri h. janfeshanaraghi

the study of wave and its propagation on the water surface is among significant phenomena in designing quay, marine and water structures. therefore, in order to design structures which are exposed to direct wave forces, it is necessary to study and simulate water surface height and the wave forces on the structures body in different boundary conditions. in this study, the propagation of static ...

Journal: :Journal of Instrumentation 2021

Ultra-thin metallic anodic and cathodic wires are frequently employed in low-mass gaseous detectors for precision experiments, where the amount of material crossed by charged particles must be minimised. We present here results an analysis mechanical stress chemical corrosion effects observed $40$ $50~{\rm{\mu m}}$ diameter silver plated aluminum mounted within volume MEG\,II drift chamber, whi...

Journal: :journal of medical signals and sensors 0

as the t-wave section in electrocardiogram (ecg) illustrates the repolarisation phase of heart activity, the information which is accumulated in this section is so significant that can explain the proper operation of electrical activities in heart. long qt syndrome (lqt) and t-wave alternans (twa) have imperceptible effects on time and amplitude of t-wave interval. therefore, t-wave shapes of t...

Abstract Wind induced wave is of great importance due to its high energy. In this study wave climate in the Gulf of Oman close to the Koohmobarak area is investigated. Wave climate study is necessary for determination of long-term analysis of wave statistics as well as climate change effects in the study area. First, wave climate is study using both measured and simulated wave data close to th...

A F Albeldawi A Q Alneami E Gh Khalil R A Mohsien

Background: This work evaluated the efficiency of common ultrasound stimulation (U.S.S) types on bacterial growth in vitro using clinically relevant conditions.Objective: To estimate different frequencies ultrasound bactericidal ability on bacteria in bacteria of Pseudomonas Aeruginosa. Methods: Six types of U.S.S (continuous wave, 7w/cm2, 20 KHz; continuous wave, 35w/0.8L, 40 KHz; continuous ...

2000
Chung-Chieh Lee

In this paper we derive the general expression of a one-loop effective potential of the nonintegrable phases of Wilson lines for an SU(N) gauge theory with a massless adjoint fermion defined on the spactime manifold R1,d−3 × T 2 at finite temperature and fermion density. The Phase structure of the vacuum is presented for the case with d = 4 and N = 2 at zero temperature. It is found that gauge ...

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