In the Internet of Things (IoT), spectral efficiency is a major challenge since many sensors and devices are placed widely throughout the cam network.Spectrum scarcity issues have been a concern for the Internet of Things since its inception.The use of Cognitive Radio (CR) technology is thought to be a potential remedy.Two of the problems that CR p
This study investigated the physiological responses to copper toxicity in liver and gill of juvenile yellowtail kingfish by exposing to 0 (control), 0.0672, 0.12, 0.214, 0.384, 0.672, 1.20, or 2.14 mg/L copper sulfate for 7 days and then recovered for 14 days.The histopathology, enzyme activities and differential gene expression were detected.The r
Aim of investigation.The article highlights the preconditions and peculi- arities of the birth of the Ukrainian public movement of Bukovina in the 60s of the 19th century.The research methodology is based on the general scientific (analysis, synthesis, systematization, gen- eralization), as well as special-historical (synchronous, compara- tive-his
An increasingly complex and rapidly-evolving array of risks presents one of the greatest challenges for decision-makers in all sectors, including the transport and tourism industry.The prospects of an international destination can be profoundly damaged in minutes as a result of a major outbreak of infectious disease, a natural disaster or a terrori