نتایج جستجو برای: nodal integration

تعداد نتایج: 240983  

Journal: :research in cardiovascular medicine 0
maryam shojaeifard echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran mohammadali sadr-ameli cardiac electrophysiology research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; cardiac electrophysiology research center, rajaie cardiovascular medical and research center, vali-asr ave., niyayesh blvd., p. o. box: 1996911151, tehran, ir iran. tel: +98-2123923017, fax: +98-2122663213 sadaf sadr-ameli medical engineering faculty, department of medical engineering, sciences and research branch, islamic azad university, tehran, ir iran mona heidarali cardiac electrophysiology research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran monireh soltani rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran behshid ghadrdoost rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran

conclusions echocardiography and 2d speckle tracking strain imaging shows improvements in left ventricular deformation indices in atrioventricular reentrant tachycardia (avrt) and atrioventricular nodal reentrant tachycardia (avnrt) patients for the mean systolic strain and strain rate at 24 hours and the three-month follow-up. in spite of the normal lvef, even during sinus rhythm, deformation ...

2016
K R Griffiths S M Grieve M R Kohn S Clarke L M Williams M S Korgaonkar

Although multiple studies have reported structural deficits in multiple brain regions in attention-deficit hyperactivity disorder (ADHD), we do not yet know if these deficits reflect a more systematic disruption to the anatomical organization of large-scale brain networks. Here we used a graph theoretical approach to quantify anatomical organization in children and adolescents with ADHD. We gen...

2015
Ganeshan Sivanandhan Gnajothi Kapil Dev Jeevaraj Theboral Natesan Selvaraj Andy Ganapathi Markandan Manickavasagam

In the present study, we have established a stable transformation protocol via Agrobacterium tumafacines for the pharmaceutically important Withania somnifera. Six day-old nodal explants were used for 3 day co-cultivation with Agrobacterium tumefaciens strain LBA4404 harbouring the vector pCAMIBA2301. Among the different injury treatments, sonication, vacuum infiltration and their combination t...

2013
Nicodemus Banagaaya Wil Schilders

Electromagnetic descriptor models are models which lead to differential algebraic equations (DAEs). Some of these models mostly arise from electric circuit and power networks. The most frequently used modeling technique in the electric network design is the modified nodal analysis (MNA) which leads to differential algebraic equations in descriptor form. DAEs are known to be very difficult to so...

Journal: :Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM)) 2012

Introduction: The aim of the present study was to determine direct effects of NO modulation on protective electrophysiological properties of atrioventricular node (AV node) in the experimental model of AF in rabbit. Methods: Isolated perfused rabbit AV nodal preparations were used in two groups. In the first group (N=7), LNAME (50μM) was applied. In the second group (N=12), different concent...

Journal: :journal of sciences, islamic republic of iran 2013
g. h. shirdel shirdel

in the maximum flow network interdiction problem, an attacker attempts to minimize the maximum flow by interdicting flow on the arcs of network. in this paper, our focus is on the nodal interdiction for network instead of the arc interdiction. two path inequalities for the node-only interdiction problem are represented. it has been proved that the integrality gap of relaxation of the maximum fl...

Journal: :Mathematics 2022

The classical radial point interpolation method (RPIM) is a powerful meshfree numerical technique for engineering computation. In the original RPIM, moving support domain quadrature usually employed field function approximation, but local supports of nodal shape functions are always not in alignment with integration cells constructed integration. This misalignment can result additional error an...

1996
Jean-Pierre Hennart Edmundo del Valle

After it is shown that the classical ve points mesh-centered nite diierence scheme can be derived from a low order nodal nite element scheme by using nonstandard quadrature formulae, higher order block mesh-centered nite diierence schemes for second-order elliptic problems are derived from higher order nodal nite elements with nonstandard quadrature formulae as before, combined to a procedure k...

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