Recent legislation concerning air pollutant emissions from ships (Tier III) has considerably decreased NOx emission limits for recreational with less than 500 gross tonnages and greater 24 m load line length (LLL), the so-called “large yachts”. For these yachts, which adopt multiple Diesel engines maximum power ranging 800 to 2000 kW, new limit is 2 g/kWh. To satisfy that limit, engine makers s...

heterogeneous catalytic hydrogenation of cyclohexene, catalyzed by pt/a1203, was carried out in thirteenvarious solvents (four alcoholic solvents, six aprotic polar solvents and three non polar solvents) at 25 °c.single-parameter correlations of logk vs. normalized polarity parameter (etn), hydrogen-bond acceptorbasicity (p), hydrogen-bond donor acidity (a) and dipolarity/polarizibility (it*) d...

in the present work, the modified nickel electrode was electrochemically fabricated and tested for the electro-oxidation of paracetamol in alkaline media. the methods of cyclic voltammetry (cv), chronoamperometry (ca), and impedance spectroscopy (eis) were used to determine kinetic parameters such as transfer coefficient (α), the catalytic reaction rate constants (k), and the diffusion coeffici...