To meet the dynamic needs of switcher locomotives, a hybrid system is required that consists of power sources, including ultracapacitors and batteries along with the fuel cell. A simple control ...

There are various installations of large stationary sources in all over the globe, with unit output of megawatts and these are based on the fuel cells principle. The current development in this field ...

Cluster algebras and scattering diagrams appear in diverse areas of mathematics and physics including total positivity, Seiberg duality, statistical physics models, noncommutative geometry, tropical ...