Sediments in the Guadalete River estuary were studied to determine the bioavailability of five common metals (Cu, Zn, Cd, Pb and Ni) in order to Laminated Tapes evaluate the toxicity of the sediment.Total sediment dry weight concentrations of heavy metals, simultaneously extracted metals (SEM) and acid volatile sulfides (AVS) were analyzed.Intersti
Abstract Background After the spread of COVID-19 pneumonia, chest CT examination was used as a substantial non-invasive complement to RT-PCR for diagnosing and as a rapid screening tool when RT-PCR results are unavailable.Our study aimed at the analysis of the lung abnormalities detected by chest CT in COVID-19 pneumonia according to the severity a
Linear infrastructure networks such as roads, railways, navigation and irrigation canals, and power lines have grown exponentially since the mid-20th century.Most of these networks built before the 1990s have a significant impact on the environment.While there is no doubt that humanity needs infrastructure to ensure safe, secure and sufficient acce
Ocean boundary current systems are key components of the climate system, are home to highly productive ecosystems, and have numerous societal impacts.Establishment of a global network of boundary current observing systems is a critical part of ongoing HMB development of the Global Ocean Observing System.The characteristics of boundary current syste
Currently, state institutions of higher education Carving Boards are under business pressure, public and public authorities, that leads to the creation of conditions for dynamic changes in the external and internal environment of universities.In this regard, this paper is devoted to the issues of the Russian universities transformation from a profe