Introduction.The study of the physical development of children and youth have quite a rich tradition.Conducted observations show that standard of living is very different in different regions of the country.The purpose of physical education is not only to improve the body of a young man, but also providing it with the knowledge and skills related t
With the continuous advancement in socioeconomic development and transportation infrastructure, the daily traffic volume on highways has been steadily increasing, resulting in the growing frequency of traffic congestion incidents.Thus, the accurate prediction of highway traffic flow is of great significance for implementing traffic congestion warni
Background: Ageratina, with 167 species, constitutes the most diverse genus of the Mexican Asteraceae and the sixth most diverse of the vascular plants in Mexico.The taxonomy of the genus is complex, due to its number of species and the numerous inadequately delimited taxa or with intricate and confusing nomenclature.In addition, little known speci
External chemical reactors for steam reforming and water gas shift reactions are needed for a proton exchange membrane (PEM) fuel cell system using syngas fuel.For the preheating of syngas and stable steam reforming reaction at 600 °C, residual hydrogen from a fuel cell and a certain amount of additional syngas are burned.The combustion tempera