By speed control we mean two types of activities. First, there are activities of road controllersmeaning determining, tracking and changing speed limits on the roads, road equipment that is there tosignal the speed limit to the drivers, but also the technical and other means of control and slowing downthe trafic. The other segment of activities use...

By Tihomir Đurić, Neven Nikolić, Milan Šuman

In this paper we explore, elaborates and analyze the movement of labor productivity in thetransport system of the Republic of Croatia (RH). We also investigates the relationship between the totaltraffic volume measured by dynamic work indicators, the number of employees in the transport system,labor productivity and gross domestic product for the p...

By Drago Pupavac, Milan Cvijanović, Josip Knežević

 If electric cars integrated and supplemented in a smart way, its can significantly reduce the release od CO2, soot and other pollutants into the atmosphere, as an initiative to apply renewable energy in electricity generation. EU Directive 2014/94 on alternative fuels for sustainable mobility obliges member states to develop national policies...

By Ajla Bajrić

More than a year ago, no one could have even imagined that a man’s life would change in every way. With the outbreak of the COVID 19 pandemic, there were numerous changes in all areas of human activity, including the business world. In many companies, there has been a decrease in business transactions, which leads to a decrease in operating r...

By Martina Korevec

Bosnia and Herzegovina is a country of biological and geological diversity, and it has got unique spatial and temporal organization. Preserving the natural values is vitally important for the countries on the road to European Union Membership. Concerning the previous statement, the motive for this paper is to analyze to what extent one preserves na...

By Nedžada Tolja

By doing a preventive control of vehicles correctness we determined that a significant number of vehicles has faulty shock absorbers, which refers to reduced damping efficiency and asymmetry of the front and rear axle of the vehicle. Based on these finds and in dependency of shock absorbers’ condition an examination of vehicles’ breakin...

By Nikola Manojlović, Srdžan Marinković, Ajla Haračić

For achieving higher speeds for composite rocket fuels, it is important to use 1,3-diferocenyl1-butene as a catalyst. The laboratory synthesis of this catalyst is a very complex and demanding process performed in anhydrated solvents. Because of this, such synthesis can hardly adapt to work with larger quantities of chemicals. The paper presents sig...

By Suad Obradović, Krsto Mijanović

The global pandemic caused by the rapid spread of the COVID-19 virus has caused, in additionto the loss of human lives, other consequences for both individuals and countries. It brought new patternsof behavior such as the application of social and physical distancing and intensified the use of technologyfor communication, surveillance, and monitori...

By Muhamed Ćosić, Hadžib Salkić, Nešad Krnjić

Technology is advancing more and more every day and the introduction of new devices andapplications will stimulate higher expectations, and then further demand for even more creativetechnological solutions and services. It is important to emphasize that the technology is gainingmomentum and many more new solutions, products and services are expecte...

By Ela Martiničević, Krešimir Buntak, Ivana Martinčević

The election system in a lot of countries in the world have not been changed since thebeginning od XIX century, paper is still being used, all the votes have to be counted manually, votingtakes places on specific and predetermined locations. There is a growing number of those who areparticipating in the election process do not trust its efficiency....

By Muharem Kozić, Davor Radivojević