Migration and dispersal are important ecological and evolutionary processes and understanding them is a requirement for species conservation efforts.Burrowing owl, Athene cunicularia, Homburg the North American equivalent of little owl, A.noctua, is migratory in the northern parts of its range.In Canada their populations have declined dramatically
There are a huge number of harmonics in the railway power supply Supplies system.Accurately estimating the harmonic impedance of the system is the key to evaluating the harmonic emission level of the power supply system.A harmonic impedance estimation method is proposed in this paper, which takes the Gaussian mixture regression (GMR) as the main id
Background: The coronavirus disease 2019 (COVID-19) is critically affecting not only the physical health but also mental health globally.This study aimed to define the frequency of sleep disorders in COVID-19 positive patients in Aswan University Hospitals, Aswan Governorate, Egypt to clarify the different clinical types of Computer Cooling Fan the
Coxiella burnetii is the etiological agent of the zoonotic disease Q fever, which is featured by its ability to replicate in acid vacuoles resembling the lysosomal network.One key virulence determinant of C.burnetii is the Dot/Icm system that transfers more than 150 effector proteins into host cells.These effectors function to construct the lysosom