Hydrogenation of levulinic acid (LA) to γ-valerolactone (GVL) is an important reaction in biomass upgradation to produce value-added chemicals. In this work, we have successfully prepared well dispersed nanocrystalline Pt-HT catalyst and found that this catalyst is showing excellent performance...

The COVID-19 pandemic has threatened city economies and residents' public health and quality of life. Similar to most cities, Melbourne imposed extreme preventive lockdown measures to address this situation. It would be reasonable to assume that during the two phases of lockdowns, in autumn...

The book deals with the subsidies of air transport. It shows which subsidies are used to promote air transport and how the subsidies influence the various segments of air transport. The types of subsidies dealt with correspond to the OECD's delimitation. In addition to tax breaks and transfers,...