نتایج جستجو برای: concentric fold
تعداد نتایج: 149729 فیلتر نتایج به سال:
B1) Multi-Concentric-Structure: Let S1 and S2 be two distinct structures, induced by the ensemble of laws L, which verify the ensembles of axioms A1 and A2 respectively, such that A1 is strictly included in A2. One says that the set M, endowed with the properties: a) M has an S1-structure; b) there is a proper subset P (different from the empty set Ø, from the unitary element, from the idempote...
OBJECTIVE Myocardial intracellular/extracellular structure and aortic function were assessed among hypertensive left ventricular (LV) phenotypes using cardiovascular magnetic resonance (CMR). METHODS An observational study from consecutive tertiary hypertension clinic patients referred for CMR (1.5 T) was performed. Four LV phenotypes were defined: (1) normal with normal indexed LV mass (LVM)...
Sustained pressure overload leads to compensatory myocardial hypertrophy and subsequent heart failure, a leading cause of morbidity and mortality. Further unraveling of the cellular processes involved is essential for development of new treatment strategies. We have investigated the hypothesis that the transmembrane Z-disc proteoglycan syndecan-4, a co-receptor for integrins, connecting extrace...
In the literature survey concentric ring arrays using isotropic radiators are reported. Sufficient data is not available to optimization of the first sidelobe level, null to null beamwidth and directivity. In this paper, the author is proposed the problem of designing concentric ring arrays with practical radiating element. The practical radiating element is considered as dipoles to achieve opt...
Abstract: The solution to problem of an orthotropic long cylinder subjected to torsional loading is first obtained by means of separation valuables. The cylinder is twisted by two lateral shear tractions and the ends of the cylinder surface of the cylinder are stress-free. First, the domain under consideration is weakened by an axisymmetric rotational Somigliana ring dislocation. The dislocatio...
The objective of this study was to assess the influence of left ventricular (LV) geometric pattern on coronary vasomotion in patients with essential hypertension. We studied 34 hypertensive patients, who had never been treated, with angiographically normal coronary arteries. Patients were classified into four LV geometric patterns by echocardiography: normal, concentric remodeling, eccentric hy...
Introduction: A 2D concentric rings trajectory is inherently centric-ordered, provides a smooth weighting in k-space, and enables shorter scan times [1]. Due to these properties, it is well-suited for magnetizationprepared imaging. Extensions of this trajectory for 3D imaging include: 3D stack-of-rings [2] and 3D interleaved concentric cylinders [3,4]. 3D stack-of-rings trajectory directly inhe...
We study circularly symmetric solution behaviour of invariant manifolds of singular solutions of the partial differential equation EPDiff for geodesic flow of a pressureless fluid whose kinetic energy is the H 1 norm of the fluid velocity. These singular solutions describe interaction dynamics on lower-dimensional support sets, for example, curves, or filaments, of momentum in the plane. The 2 ...
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