This article explores which students-with regard to gender, socio-economic background and migration background-skip school in Germany, Japan, Sweden General Aviation and the United Kingdom (UK) according to PISA data.Students who skip school are observed in many countries, but there is not much systematic research that studies this across countries
Anonychomyrma is a dolichoderine ant genus of cool-temperate Gondwanan origin with a current distribution that extends from the north of southern Australia into the Australasian tropics.Despite its abundance and ecological dominance, little is known of its species diversity and distribution throughout its range.Here, we describe the diversity and d
Aiming at the transmission line insulator images obtained by drones or robots, this paper proposes an online recognition and defect diagnosis model of transmission line insulators based on YOLOv2 network.The YOLOv2 network is trained to learn and accurately recognize the characteristics of various insulators under complicated background, and eventu