Longdom Publishing SL https://www.longdom.org/ Longdom Publishing SL specializes in digital advertising to help clients inform and attract new customers quickly and efficiently. https://www.longdom.org/membrane-science-technology/current-issue.html Journal of Membrane Science & Technology Volume 8, Issue 3 https://www.longdom.org/open-access/proton-exchange-membranes-for-fuel-cells-applications-2155-9589-1000e125.pdf Proton Exchange Membranes for PEM Fuel Cells Applications Mohammad Javad Parnian https://www.longdom.org/open-access/benign-graphitechitosan-blended-biocomposite-for-sorption-of-toxicnitrate-from-water-2155-9589-1000189.pdf Benign GraphiteChitosan Blended BioComposite for Sorption of Toxic Nitrate from Water Rajendra S Dongre https://www.longdom.org/open-access/membrane-in-polymer-fuel-cells-2155-9589-1000191.pdf Membrane in Polymer Fuel Cells Tahereh Safari