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Context. Many low-redshift active galactic nuclei harbor a supermassive black hole accreting matter at low or medium rates. At such rates, the accretion flow usually consists of a cold optically thick disk, plus a hot, l...

In the last years, it has been discovered and intensely studied the non‐traditional intrinsic luminescence of polyamidoamine (PAMAM) dendrimers. Nevertheless, their aging process in aqueous suspension is scarcely studi...

The article highlights brief theoretical aspects of the origin of distance learning tracing the experience of foreign counties as well as Ukraine’s practice in this regard. The paper outlines practical and social aspec...

Climate change and urbanization have substantial ramifications for the management and protection of cultural-historical landscapes. This is especially true for historical estate landscapes – landscapes whose character ...

Introducción: Uno de los cambios que ocurren durante el envejecimiento es la pérdida de la masa muscular, proceso denominado sarcopenia. Esta disminución genera en el individuo una alteración en sus capacidades fí...