Abstract Catalytic/initiated cracking of endothermic hydrocarbon fuels is an effective technology for cooling a hypersonic aircraft with high Mach number (over 5). Catalysts and initiators can promote fuel at low temperatures, increase conversion the heat sink capacity, suppress coke deposition, thereby reducing waste heat. mainly include metal oxide catalysts, noble catalysts nanoparticles, ze...

Ghosting is a popular term in mass media that has continued to baffle many with its ambiguity as dissolution strategy. Multiple studies the past have explored ghosting within romantic relationships, examining how this strategy impacted two parties involved: initiator (ghoster) and non-initiator (ghostee). However, it been stated can exist outside of relationships may also occur friendships or e...

Abstract Most national level referendums in Europe since 1793 are initiated either by political elites or citizens. It remains unclear why these two types of initiators call for referendums. This article aims to explain under what circumstances and citizens on domestic policies. The analysis is conducted at country using an original data set that covers 461 between 2019. tests the influence fou...