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• DEVELOPMENT OF DOMESTIC PUBLIC PROCUREMENT IN THE SHADOW OF CRISIS SITUATIONS OF PAST YEARS

  Anita Boros

  László Kovács

  Views:

  99

  In the economic sense, the COVID-19 crisis has resulted in a fast-moving, rebounding crisis. In the course of our research, we looked for the answer to what results the pandemic crisis brought about from a public procurement point of view, and what peculiarities can be identified as a result of the current Russian-Ukrainian conflict and the energy crisis. Our basic hypothesis is that the pandemic crisis situation had a less negative impact on the Hungarian public procurement market, however, the Russian-Ukrainian conflict and the energy crisis result in a much more complex economic situation, so their impact is likely to be more prolonged. 

• Energy Resources of Unmanned Aircrat Vehicle

  92-100

  Márta Juhász

  Bertold Békési

  Views:

  126

  Aviai on is the quickest and most praci cal way of locomoi on, to which people have been paying at eni on for thousands of years. Today – on account of air traffi c, energy crisis and environmentalism – the power source of the aircrat became a key issue. In addii on to fl ight safety, there is a growing emphasis on environmentally friendly operai on. The ineffi cient burning of fossil fuels comes hand in hand with the signifi cant pollutant emission and noise pollui on which bother even those living far from the airports. Nowadays the most important objeci ve of researchers and developers is to create an effi cient, clean and quiet airplane, thus as a new idea they at empt to ui lize electricity in this form on board the aircrat . The ari cle presents some various energy resources through some example of unmanned aerial vehicle.