Zinc, copper, iron, chromium and cobalt are essential elements for human health, showing toxicity only in high concentrations, while lead and cadmium are extremely toxic even as traces. Therefore, it is important to monitor the contents of toxic metals in vegetables. Large number of vegetables is grown and used in nutrition, in Kosovo. The concentrations of selected elements in vegetables (radish, onion, garlic and spinach) from Kosovo were determined using ICP-OES method. Oral intake of metals and health risk index were calculated. Statistical analysis indicated numerous positive correlations between concentrations of selected elements in vegetables. As a result of principal component analysis, 15 new variables were obtained which were characterized by eigenvalues. The sequence of health quotients for the heavy metals followed the decreasing order Zn = Mn > Pb > Cu > Ni > Fe > Cd > Co > Cr. The health quotients for all investigated heavy metals were below 1 (one), which is considered safe. The vegetables from Kosovo are mainly safe for use in everyday diet.
The use of information communication technologies as well as massive use of digital tools has influenced the daily activities of people. One of the most obvious indicators of rapid technological development is certainly the amount of information available in digital form. As a result of the use of digital tools and the Internet, a cyber space was created, which is the largest source of information. A variety of digital content is available to users of cyber space. In addition to content that is publicly available and can be used without any restrictions at the same time, a large percentage of digital information is protected by intellectual property rights and copyright and related rights. Beside aforementioned mechanisms for the protection of digital content, there is an evident increase in the number of copyright abuses. Abuse of copyright works causes huge economic damage to the authors of works as well as organizations. The aim of this paper is to analyze the current state of implementation of intellectual property protection mechanisms in the cyber space with a special emphasis on the application of these mechanisms in the Republic of Serbia. Mechanisms for the protection of intellectual property are examined through the domain of application of information communication technologies, legal aspects and registered abuses. At the same time, registered abuses were analyzed from the economic point of view both from the angle of the author of the work and from the perspective of the person who misused the subject work.
The rapid development of information and communication technologies from the standpoint of hardware and software resources has led to their increasing application in various areas of everyday life and work. One of the novelties of the hardware industry are the drones. The set of services that drones offer have enabled their use in many areas. One of the currently popular areas for usage of drones is agriculture. Agricultural fields in which a drone can be used depends largely on its equipment, primarily set of sensors and/or high resolution cameras. This paper gives an overview of use cases in agriculture where drones are suitable for use. Furthermore, advantages and limitations of using such aircraft are given. From different economical and legal aspects the use od drones is described. The use of drones in agriculture can greatly contribute to the development of precise farming, reducing production costs and the production of healthier food.
The tourism sector around the world has been hit hard by the Covid-19 virus pandemic. The consequences of the pandemic during 2020 on the entire tourism sector have significantly reduced the income of both individuals and the collection in the state treasury. The introduced measures, as well as the mass vaccination of citizens, enabled the opening of tourist destinations during 2021, which brought long-awaited revenues to this branch of economics. The opening of tourist destinations has started the travel sector, both air, and road, rail and water transport. The aim of this paper is to analyze the current economic growth of the tourism sector and compare the current situation with the situation in 2019 and the situation during the crisis in 2020. The paper also gives an overview of the legal measures adopted in order to overcome the problems caused by the closure. The analysis of the economic growth of the tourism sector during 2021 was performed on the basis of available data and information both in the world and in the countries of the region. Also, the analysis was performed for both international tourism and domestic tourist destinations. Based on the conducted analysis, it is concluded that the number of tourists who visited the observed regions in the first half of 2021 is still lower compared to the same period in 2019.
Правни и рачуноводствени изазови детекције превара у примени електронских фактура Апстракт: Главни циљ овог рада је анализирање примене електронских фактура у Републици Србији и појединим европским земљама. У раду је објашњена регулатива којом се уређује питање примене електронских фактура у савременом пословном окружењу. Посебна пажња посвећена је усаглашавању ове регулативе у Републици Србији са директивама Европске уније које дефинишу наведену област. Аутори наводе да будућа правна решења из ове области, треба да буду заснована на стандардима и директивама Европске уније. Такође се у раду наводе и могуће преварне активности са електронским факутрама којима су изложени привредни субјекти. Аутори препоручују привредним субјектима да ојачају интерне контроле за препознавање и избегавање преварних активности којима су изложени применом електронских фактура у пословним трансакцијама. Kључне речи: електронска фактура, правна регулатива, рачуноводствена регулатива, превара електронским фактурама. Увод Рачун или фактура је документ који се користи у пословним трансакцијама између привредних субјеката на тржишту. Сва ки промет добара и услуга између привредних субјеката подразумева издавање фактуре/рачуна од стране обвезника (добављача). Фактура је саставни део пословних активности који служи као ос
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