This work presents computer simulation of mold filling and crystallization for a two-blade drill bit steel billet. Drawing-based models of a two-blade drill bit and its detachable casting mold were developed by SolidWorks. The developed solid model was transferred to the ProCAST program. The preliminary stages of a drill bit cast molding computer s...

By Panchuk Vitaliy, Pavlo Prysiazhniuk, Tetiana Pryhorovska, Lubomyr Ropjak, Igor Kogut, Lubomyr Boruschak, Shulyar Iryna

The International Covenant on Economic, Social and Cultural Rights has been adopted and open to signature, ratification and accession by General Assembly resolution 2200A (XXI) of 16 December 1966. It entered into force on 3 January 1976 in accordance with Article 27. In the third part Article 6 of the International Covenant on Economic, Social and...

By Rodic Vesna, Mihaela Popa, Mihaela Anamaria Lihet

Migrant crisis, slow economic growth and growing disillusionment with the European Union led to strengthening of far-right parties that have achieved electoral success in a number of European countries. The collapse of the national economy has created a huge number of unemployed. New problems such as migrant crisis foster instability in the EU part...

By Milijana Ratković

The use of the smart cell phones is a massive phenomenon and knowledge newer was so close, on one mouse klick or one screen touch. Young people usually adopt the new technology much faster than others groups of people and we assume that this group of people dispose with a broad range of IT skills. Of all different kind of IT skills we are intereste...

By Dragana M Preradovic, Ljubiša Mićić

In order to access a Romanian academic performance at European level, it is necessary to reconsider integrated management within certain limits described by the Bologna Process. Although it has been over 15 years since the signing of the 1999 Bologna Declaration, we are still far away from being visible in the European Higher Education Area. On the...

By Mihaela Popa

The present paper is meant to be a short presentation of the actual stage of nanomaterials used in dentistry. It shows some theoretical considerations regarding characteristics of some nanomaterials used in dentistry. In recent years, increasing demands for dental reconstruction have led to the development of new materials that have multiple applic...

By Monica Pop Corina, Adina Pop Vadean, Ioana Tașcu-Stavre

Everyday life without social media is nearly unimaginable in the digital era. Shortly after the emergence of the first social media, the others followed, experiencing an unprecedented expansion towards all the pores of society, entertainment, cultural, sports, and all forms of life in a modern, developed world. In a relatively short period of time,...

By Milic Mladen, D Djuranovic

Photovoltaic (PV) power generation is not only clean green energy but is also especially appropriate for smart grids with distributed power generation. For a good exploitation of a PV system there are some regulations to be respected in accordance with local normative. Voltage and reactive power are two very stringent variables to be monitored. Dur...

By Liviu Neamt, Liviu Petrean, Olivian Chiver, Mircea Horgos, Sorin Sava, Alexandru Hotea

The wide application of various regulators in automated control systems of technological objects determines the necessity to solve problems of constructing optimal, adaptive and with expanded functional capabilities of technological controllers. The toolkit for constructing technological controllers is Simatic S7 hardware devices (PLC S7-1200, Freq...

By Mykola Nykolajchuk

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

By Stefan Adrian Moldovan, Vasile Nasui, Marius Cosma