نتایج جستجو برای: 243 253
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Introduction 242 Biology of the Antarctic silverfish 243 Pleuragramma and the neutrally buoyant clade of nototheniids 243 The evolution of the neutrally buoyant clade and the Antarctic silverfish 243 Paedomorphy and the pelagic lifestyle of the Antarctic silverfish 244 Body morphology 244 Depth and geographic distribution 244 Early life history 245 Reproduction 246 Age, growth and mortality 247...
We present results for the light meson masses and decay constants as obtained from calculations with the non-perturbatively improved (‘Alpha’) action and operators on a 243×64 lattice at β = 6.2, in the quenched approximation. The analysis was performed in a way consistent with O(a) improvement. We obtained: reasonable agreement with experiment for the hyperfine splitting; fK = 156 ± 17MeV, fπ ...
We present results for heavy-light decay constants, using both propagating quarks and the static approximation, inO(a)-improved, quenched lattice QCD. At β = 6.2 on a 243×48 lattice we find fD = 185 + 4 − 3 (stat) + 42 − 7 (syst) MeV, fB = 160 + 6 − 6 + 53 − 19 MeV, fDs/fD = 1.18 + 2 − 2 and fBs/fB = 1.22 + 4 − 3 , in good agreement with earlier studies. From the static theory we obtain f stat ...
Piecewise L-splines are generalizations of L-splines, in the sense that they satisfy different differential equations in different mesh intervals. Prenter attempted in [P.M. Prenter, Piecewise L-Splines, Numer. Math. 18 (2) (1971) 243–253] to obtain results on piecewise L-splines by generalizing the results of Schultz and Varga on L-splines in [M.H. Schultz, R.S. Varga, L-Splines, Numer. Math. ...
EVERY YEAR, ABOUT 5 MILLION PEOPLE DIE ALL OVER THE WORLD BECAUSE OF STROKE, MAKING IT THE THIRD LEADING CAUSE OF DEATH.1,2 It is the number one cause of neurologic disability worldwide.3 Stroke occurs most often shortly after awakening in the morning hours.4 However, almost every fifth stroke occurs during the night, and patients wake from sleep with their handicap, having gone to sleep with n...
greater than the 1 : 5 ratios common on other rocky bodies. Contributing causes include rim degradation by whole-body The surface of 243 Ida is dominated by the effects of impacts. ‘‘ringing,’’ relatively thin ejecta blankets around crater rims, No complex crater morphologies are observed. A complete or an extended strength gradient in near-surface materials due range of crater degradation stat...
Tradeoffs centrally mediate the expression of human adaptations. We propose that tradeoffs also influence the prevalence and forms of human maladaptation manifest in disease. By this logic, increased risk for one set of diseases commonly engenders decreased risk for another, diametric, set of diseases. We describe evidence for such diametric sets of diseases from epidemiological, genetic and mo...
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