In this paper we present a technological problem encountered in the machining accuracy of the parts for aerospace, made of aluminum alloy extruded profile with 7 meters length. Those parts have very tight tolerances and on milling process appears deviation due to thermal expansion effect, which influences the repeatability of machining processes. T...

By Stefan Adrian Moldovan, Vasile Nasui, Marius Cosma

The paper presents a viable success alternative for solar energy valorification to generate electricity for city streets lighting system in Baia Sprie town. The electricity provided by solar power plant starting on 2016 and it’s used for city streets lighting system with partially replace for conventional electricity. Within the Romanian Regi...

By Valeria Mirela Brezoczki, Gabriela Filip

This paper wants to present the current status of the reading process and data processing on gas consumption and to present some methods that involves optimization for the mentioned processes....

By Costel Ieremie Breban, Raul Florentin Drenta

The DSWIG scheme proposed in this paper uses an inverter with apparent power lower than the corresponding generator power. The expected ratio between the inverter power and the generator power is 50% in the case of DSWIG. This is similar to DFIG applications. The advantage of DSWIG is the lack of brushes. DSWIG can be used in variable speed applica...

By Sorin Ioan Deaconu, Feifei Bu, Marcel Topor, Lucian Nicolae Tutelea, Nicolae Muntean, Dan Hulea

Many years after the war, in the majority of ex Yugoslavian countries, the main topic has been unemployment issue. Countries passed the process of transition from centrally regulated economy into market oriented one. Money, as one of the highly mobile factor of production, came into region throughout financial channels. Opposite to money, contempor...

By Mirjana Stojanovic-Trivanovic, Vesna Rodic

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

According to Leyman, mobbing has 5 development phases: 1) Conflict - As a potential basis of mobbing, there is an unresolved conflict among associates, which ultimately results in a disorder in interpersonal relations. The original conflict is soon forgotten, and the remaining aggressive tendencies are directed towards the chosen person. 2) Aggre...

By Vesna Rodic, Brana Komljenovic, Mihaela Popa, Mihaela Anamaria Lihet

Robotics has slowly entered every domain where progress-imposed activities/ actions that were beyond the natural capabilities of humans. The most relevant example in this sense is the industry with all its branches where the higher and higher level of quality and output capacity have imposed the use of specialized devices that could perform faster ...

By Calin Liviu Vaida

In Serbia it has been shown that the ecological awareness of the population has been growing in recent times. Especially in the last ten years, when various transformations in the area of governance and competencies in the republic began to acquire conditions for the implementation of projects in the field of waste management. First of all, it refe...

By Ana Momčilović, Dragana Dimitrijević Jovanović, Predrag Miodrag Živković, Nevena Tomić

Fish is an important source of protein, iron and zinc - essential nutrients for child growth and development, a source of energy for adults, elderly. Omega-3 fatty acids found in different fish species help develop children’s brains, maintain flexibility in blood vessels and contribute to brain oxygenation by annihilating the destructive effe...

By Katalin Fodor, Tatiana Barz, Felicia Drăgan