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PEMFCs significantly lost and partially regained performance for all tested electrodes. A significant effect on the membrane proton conductivity was noted in PEMFC but not in conductivity cells. The impact was dependent on the applied potential. Acetonitrile adsorption inhibits the hydrogen oxidation/...
PURPOSE:To attain a constant speed of oxygen generation by dissolving Na carbonate, hydrogen peroxide addition product packaged with a mesh material in water, bringing them into contact with decomposed ferment to generate the oxygen and interrupting the generation of the oxygen so as not to bring ...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
A process for the preparation of an aromatic hydrocarbon mixture, in which a mixture of carbon monoxide and hydrogen with an H2/CO molar ratio between 0.25 and 0.75 is contacted with a mixture of two catalysts of which one (A) is capable of catalysing the conversion of an H2/CO mixture ...