A geometric lattice is the lattice of closed subsets of a closure operator on a set which is zero-closure, algebraic, atomistic and which has the so-called exchange property. There are many profound ...

A better understanding of flow in pipes is considered to be critical for marine equipment because it helps to improve pipe performance related to vibration and structure problems. In this study, flow ...

To optimize the performance of fuel cells, a golden ratio must be found. Recently, a Korean research team has uncovered that the performance of fuel cells varies depending on the Co-doping level.