نتایج جستجو برای: annular plates

تعداد نتایج: 46347  

Journal: :journal of solid mechanics 0
m goodarzi department of engineering, college of mechanical engineering, ahvaz branch, islamic azad university, ahvaz, iran m mohammadi department of engineering, college of mechanical engineering, ahvaz branch, islamic azad university, ahvaz, iran m khooran department of mechanical engineering, shahid chamran university of ahvaz, iran f saadi department of engineering, college of mechanical engineering, ahvaz branch, islamic azad university, ahvaz, iran

in this study, the vibration behavior of functional graded (fg) circular and annular nanoplate embedded in a visco-pasternak foundation and coupled with temperature change is studied. the effect of in-plane pre-load and temperature change are investigated on the vibration frequencies of fg circular and annular nanoplate. to obtain the vibration frequencies of the fg circular and annular nanopla...

2013
JANG SOO KIM

We show cyclic sieving phenomena on annular noncrossing permutations with given cycle types. We define annular q-Kreweras numbers, annular q-Narayana numbers, and annular q-Catalan numbers, and show that a sum of annular q-Kreweras numbers becomes an annular q-Narayana number and a sum of annular q-Narayana numbers becomes an annular q-Catalan number. We also show that these polynomials are clo...

F Saadi M Goodarzi, M Khooran M Mohammadi

In this study, the vibration behavior of functional graded (FG) circular and annular nanoplate embedded in a Visco-Pasternak foundation and coupled with temperature change is studied. The effect of in-plane pre-load and temperature change are investigated on the vibration frequencies of FG circular and annular nanoplate. To obtain the vibration frequencies of the FG circular and annular nanopla...

Journal: :Revista de gastroenterologia de Mexico 2018
Z Botello-Hernández R A Fuentes-Reyes O Chapa-Azuela

Journal: :European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 2002
T Soeki N Fukuda H Shinohara K Sakabe Y Onose Y Sawada Y Tamura

AIMS We evaluated the relationship between the mitral inflow velocities by pulsed Doppler echocardiography and mitral annular motion velocities by pulsed Doppler tissue imaging in patients with mitral annular calcification. METHODS AND RESULTS Fifty-three patients with mitral annular calcification were divided into two groups: severe mitral annular calcification (n=15, mitral annular calcific...

Journal: :Journal of Fluid Mechanics 2022

A cavitation bubble expanding and collapsing near a rigid boundary develops directed jet flow towards the boundary. In case of perforated plate, some passes through plate thus acts as pump transporting liquid from one side to opposite side. The transport is rather complex, time dependent varies with geometric parameters connecting channel. Therefore, we first model for large range then compare ...

2017
Yoon Jung Boo Jan Gödeke Veronika Engel Oliver J. Muensterer

INTRODUCTION Laparoscopic duodenal atresia repair is an advanced procedure performed in select pediatric surgical centers. Recently, sub-6mm endosurgical staplers have been introduced, facilitating and accelerating the creation of intracorporeal intestinal anastomoses. PRESENTATION OF CASE We performed a laparoscopic duodenojejunostomy in a one-day-old child with duodenal atresia due to annul...

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