For practical utilization of proton-conducting ceramic fuel cells and electrolyzers, it is essential to lower the sintering temperature and processing time of BaZrO3-based proton conductors.We investigated the effect of sintering temperature and time on the structural and electrochemical properties of dense BaZr0.8Y0.2O3−δ (BZY) prepared
Glass Clamp Currently, cosmetics producers in Colombia are facing an increasingly competitive and demanding environment; on the one hand, to market their products in national territory and countries of the Andean Community of Nations they must implement and comply with the provisions in the legislation, Decision 516 of 2002 and Resolution 3773 of 2
Ethanol has significant potential for the reduction of fuel consumption and the emissions of engines.In this paper, a dual-fuel combined engine test rig with ethanol injected in Hole punch the intake port and gasoline injected directly into the cylinder are developed and the effects of ethanol/gasoline ratio (Re) on the combustion and emission of p
Aircraft has strategic status for the states, so that it has been regulated in every respect in Hole punch both international and national contexts.No one may deny the invaluable role of air transport in the economy of all countries, as any pause in the aircrafts operation may encounter the objection of passengers and businesses and result in vast