The development of the ovule and the embryo sac of five of the 17 species of Lycium and of one hybrid, recorded for southern Africa, was investigated.All specimens of Kaleidoscopes four of the species and the hybrid (between a hermaphroditic and a functionally dioecious species) were found to be functionally dioecious: they express only one sex, al
The Global Navigation Satellite System (GNSS) occultation receiver onboard the China Seismo-Electromagnetic Satellite (CSES) can provide dual-frequency observations for both GPS and BDS-2 satellites.In this study, the data quality and orbit determination performance of Echinacea the CSES are assessed.Severe data loss of about 30% is observed in GPS
Abstract Air pollution remains a leading cause of many respiratory diseases including chronic cough.Although episodes of incidental, dramatic air pollution are relatively rare, current levels of exposure of pollutants in industrialized and developing countries such as total articles, diesel exhaust particles and common cigarette smoke may be respon
Caturids are among the best-known predatory ray-finned fishes of the Mesozoic.Although there is consensus about their sister-group relationship to Amiidae (Holostei, Amiiformes), their diversity, ingroup phylogenetic relationships and evolutionary history are still very poorly understood.Caturidae is currently restricted to Caturus and Amblysemius,
Microsurgery, a pivotal surgical field that changed medical perspectives in the 20th century, presents numerous technical challenges due to the precision it requires from the surgeon.To acquire the requisite skills, comprehensive training is imperative.Initiation into microsurgical training on experimental models is a prerequisite before translatin