A sub-relativistic, thermal wind-type flow could represent the physical connection between the central engine and other observed components of the central region, such as the Broad Line Region (BLR) and X-ray/UV absorbers. Observational clues as to the existence of such outflows in radio-quiet Active Galactic Nuclei (AGNs) are provided, for instance, by blue shifted absorption lines in Seyferts...

In this paper, we present a method for retrieving sea surface wind field (SSWF) from HaiYang-2B (HY-2B) scatterometer data. contrast to the conventional algorithm, i.e., using point-to-point (P2P) based on geophysical model functions (GMF) retrieve SSWF by spaceborne scatterometer, introduce more accurate field-to-field (F2F) retrieval convolutional neural network (CNN). We fully consider spati...

A method for estimating risk ratios of wind damage for Pinus thunbergii trees and stands was developed based on stem bending theory and coefficients characterizing wind profiles (attenuation coefficients wtr, wst for single tree and stand respectively), distribution of branches (constant ac) and optical stratification porosity (OSP) (extinction coefficient ec). For individual trees, if acs equa...

We extend to several dimensions the result of K. Seip and Y.I. Lyubarskii that proves the existence of Riesz basis of exponentials for a finite union of intervals with equals lengths.

Netherlands Received ; accepted – 2 – ABSTRACT Axisymmetric stellar wind solutions are presented, obtained by numerically solving the ideal magnetohydrodynamic (MHD) equations. Stationary solutions are critically analysed using the knowledge of the flux functions. These flux functions enter in the general variational principle governing all axisymmetric stationary ideal MHD equilibria. The magn...