The development of modern process control systems for mechanized oil production using sucker-rod pumping units (SRPU), in particular during periodic well operation, requires information not only on the parameters of the reservoir, well and operation mode, but also the technical condition of surface and underground equipment. On the basis of the ana...

By Leonid Zamikhovskiy, Andrii Romanyuk

The combined effects of climate change and rapid urbanization inflict a higher risk of flooding in urban areas. Urban storm water runoff results from rain, snow, sleet and other precipitation that lands on surfaces, such as roofs, parking lots, streets, sidewalks, and green infrastructure. Impervious surfaces are recognized as a major problem in ma...

By Dragana Dimitrijević Jovanović, Predrag Živković, Jelena Janevski, Petar Cajić, Dejan Jovanović

The importance of digital technologies is continuously increasing for the customers and thereby also for the companies. Examples for the digital transformation are the usage of smartphones and other gadgets as well as social media channels as Twitter and Facebook. The changing behavior of the customers has also impact of the relationship between a ...

By Sarah Hahn, Ovidiu Cosma, Cristian Barz, Claudius Klaus Jalba

Companies are market participants and as such have a justified interest in achieving business reputation or image through their attributes. It is very important that the individuality of companies is differentiated on the market for future business partners as users of their services or in the purchase of products. Therefore, the attributes are of ...

By Brana Komljenovic

The paper approach some aspects of die design in various shape extrusion is quite complex and it is influenced by a variety of factors, which lead to increased mold performance in the extrusion process of high strength aluminum alloys. The analysis and the Solidworks computer program were used to analyze the extrusion of the shape from high strengt...

By Vasile Hotea, Jozsef Juhasz

The paper aims to carry out experimental research meant to increase the quality of some mass produced furniture items. In order for that to happen, a great number of size measurements have been done on beech and birch wood parts obtained through milling and drilling with numerically controlled machines. The experiment lasted for a week, with work b...

By Liliana Dragan

The fact that small enterprises in general and small business in bakery industries in special, are organized and lead by a particular style of management, based on own experience and very often intuition where financial resources to run a strong marketing campaign are limited brought to our attention the concept of social responsibility which offer...

By Gabriel Rus, Adrian D. Pop

This project showcases the effects of the homogenization treatments applied to 2724 cast aluminum alloy semi-products, as well as the results regarding the resistance and plasticity improvement of these semi- products. These results have proven the validity of the initial processing hypothesis, which states that certain modifications of the crystal...

By Aurica Pop, Gheorghe Iepure

Heat exchangers are one of the most used and important devices in modern industry, as well as in residential sector. There is no ideal heat exchanger. As a result, there are many types of heat end mass exchangers. The design differs according to the capacity, temperature, pressure, type of work fluids and other factors. As several different types o...

By Predrag Miodrag Živković, Mladen Tomić, Mića Vukić

The paper describes the method to determine the locations of additional measuring points to determine the impact of the sulphur dioxide emission from the Kostolac B thermal power plant for different weather conditions. Concentrations in ambient air, for defined emissions, at a certain distance from the emitters are predicted. The aim is to determin...

By Jelena Malenović Nikolić, Goran Janaćković, Predrag Miodrag Živković, Dragana Dimitrijević Jovanović, Dejan Vasović