نتایج جستجو برای: rwm
تعداد نتایج: 141 فیلتر نتایج به سال:
Methods Patients underwent regadenoson CMR that included 3 (basal, mid, apical) slices of rest and peak stress real-time cines, with matching stress and rest first-pass perfusion, and late gadolinium enhancement (LGE) imaging. The reference standard for presence or absence of CAD was derived from invasive coronary angiography or coronary CT angiography (CTA). Invasive angiography established si...
The RWM algorithm creates a Markov chain with stationary distribution π(x), and hence (eventually) a dependent sample with distribution ≈ π(x). Given the current value X ∈ R, a new value X∗ = X + Y is proposed by sampling a “jump”, Y, from from a pre-specified Lebesgue density q (y|x) = λ−d r (y/λ) , where r (−y) = r (y); the proposal is then accepted with probability α(x,y) = 1 ∧ (π(x∗)/π(x))....
The five-factor model by Fama-French was obtained adding the profitability factor (RWM) and investment (CMA) to three-factor Fama-French. It is still first paradigm for asset pricing research imitate compare. In case of Chinese stock market, there no consensus on whether explains anomalies better than other models, a lack comparative studies models specific markets such as SME. Based empirical ...
A relatively simple model of the resistive wall mode RWM is derived for a large aspect ratio, low , circular cross section, tokamak plasma, surrounded by a concentric, thin, uniform resistive wall. The model employs uniform toroidal plasma rotation, and includes the following realistic edge dissipation mechanisms: dissipation due to charge-exchange with cold neutrals, and dissipation due to neo...
The stability of the n = 1 resistive wall modes (RWMs) dominated by pressure-driven infernal components is investigated using ideal magnetohydrodynamics (MHD) code AEGIS for advanced tokamak scenarios. Here, toroidal mode number. In scenarios, due to large fraction bootstrap current contribution, profile safety factor q deeply reversed in magnetic shear central core region and locally flattened...
AIMS Type 2 diabetes mellitus is an independent risk factor for the development of heart failure. To better understand the mechanism by which this occurs, we investigated cardiac structure, function, and perfusion in patients with and without diabetes. METHODS AND RESULTS Sixty-five patients with no stenosis >30% on invasive coronary angiography were categorized into diabetes (19) and non-dia...
Forty–six patients (21 with stable angina and 25 with chronic myocardial infarction, 37 men) with a total chronic proximal coronary occlusion and collateral vessels to the distal part of the occluded artery (30 LAD, 10 RCA and 6 CX properly distributed in both groups) were studied angiographically before and 2 to 8 months (mean 6) after balloon angioplasty. The patients were divided in six subg...
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