PROTON EXCHANGE MEMBRANE FUEL CELL AS AN ALTERNATIVE TO THE INTERNAL COMBUSTION ENGINE FOR EMISSION REDUCTION: A REVIEW ON THE EFFECT OF GAS FLOW CHANNEL STRUCTURES

Proton exchange membrane fuel cells are a new energy technology with great potential due to advantages such as high efficiency and no pollution.The structure of the gas flow channels has a profound impact on the overall performance of the fuel cell.Different flow channel geometries have their own advantages and disadvantages, and a good understandi

Law no.27 of 2007 on Management of Coastal Areas and Small Islands has the basis of consideration dimension of economic prosperity.The Act obtained Judicial Review to the Constitutional Court due to the rights Cakes of Coastal Waters Concession (HP-3).This article examines how the existence of indigenous and tribal peoples who have the right to be