نتایج جستجو برای: ellipticity
تعداد نتایج: 1777 فیلتر نتایج به سال:
Large scale correlations in the orientations of galaxies can result from alignments in their angular momentum vectors. These alignments arise from the tidal torques exerted on neighboring proto-galaxies by the smoothly varying shear field. We compute the predicted amplitude of such ellipticity correlations using the Zel’dovich approximation for a realistic distribution of galaxy shapes. Weak gr...
Consider uniform flow past four slender bodies with elliptical cross-section of constant ellipticity along the length of 0, 0.125, 0.25 and 0.375, respectively, for each body. Here, ellipticity is defined as the ratio of the semiminor axis of the ellipse to the semimajor axis. The bodies have a pointed nose which gradually increases in cross-section with a radius of curvature 419mm to a mid-sec...
Circular dichroism and difference ultraviolet visible spectra were obtained for cobalt hemoglobin derivatives. At 287 nm the ellipticity difference between the oxy- and deoxycobaltohemoglobin is about one-half as great as that for the native proteins indicating smaller quaternary conformational changes for the former. Deoxygenation increases the Soret rotational strengths of both iron and cobal...
We present a compact (130 μm cladding diameter) trench-assisted multi-orbital-angular-momentum (OAM) multi-ring fiber with 19 rings each supporting 22 modes with 18 OAM ones. Using the high-contrast-index ring and trench designs, the trench-assisted multi-OAM multi-ring fiber (TA-MOMRF) features both low-level inter-mode crosstalk and inter-ring crosstalk within a wide wavelength range (1520 to...
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