The paper presents the laboratory researches results regarding the Aghires quarts sand electroseparation, in two configurations for the ILES laboratory installation. The first studied configuration used a performant electrode (multi needles) from the endowment of the Intense Electric Field Laboratory from UTCN, while in the second analyzed configur...

By C Plesa, R Morar, M L Vadan

The case study presents a series of partial discharge measurements, reflecting the state of insulation of 110kV CURRENT TRANSFORMERS located in Sibiu county substations. Measurements were performed based on electrical method, using MPD600: an acquisition and analysis toolkit for detecting, recording, and analyzing partial discharges. MPD600 consist...

By C Dan, R Morar

The aim of presented paper is elaboration of methodology of upgrading natural minerals in example of chalcocite and bornite sample. The results were obtained by means of laboratory drum separator. This device operates in accordance to properties of materials, which in this case was electrical conductivity. The study contains the analysis of the for...

By M Skowron, P Syrek, A Surowiak

The theoretical and methodological foundations of sustainable development of Geosystems were further evolved. It was grounded the new scientific direction "constructive Hydroecology" - the science that studies the Hydrosphere from the standpoint of natural and technogenic safety based on geosystematical approach. A structural separation for constru...

By O M Mandryk, L M Arkhypova2, A V Pukish, A Zelmanovych, Kh Yakovlyuk

In a small firm, the founder or the owner-manager often leaves his or her own personal “stamp” on the way things are done, finding solutions for the multitude of problems the firm faces, and maintaining control over the firm’s operations. The paper aims to investigate the degree to which the owner-managers are controlling the oper...

By G Lobontiu, M Banica, S Ravai-Nagy

A new, freely programmable, scalable control system for academic research purposes was developed. The intention was, to have a control unit capable of handling multiple PT1000 temperature sensors at reasonable accuracy and temperature range, as well as digital input signals and providing powerful output signals. To take full advantage of the system...

By S Epple, R Jung, K Jalba, V Nasui

The paper presents some particular aspects associated with measuring of the smallsize parts with high precision, manufactured by injection procedures. The coordinate measuring machine (CMM) are very used in process of measuring parts with different shapes, dimensions and materials of the most varied. It is studied by experiments, the influence of h...

By L Drăgan

The relationship between art and technique has been along the time one that is inseparable and systematic, artists appealing to various technologies, tools and practices that help them stimulate their imagination. Today there is a new category of artists, coming from a technical or scientific field, that are being 'trapped' in this „game of a...

By G A Papiu, N Suciu

These days, teaching languages – English in particular – has become an ever more complex and challenging task due to the fact that groups of students are eclectic in terms of knowledge of English and level of competence. Teachers try to adapt to this challenging environment by providing a wide variety of activities and materials so as t...

By L Todea, R Demarcsek

Using of Virtual Private Networks (VPN) can establish high security level in network communication. VPN technology enables high security networking using distributed or public network infrastructure. VPN uses different security and managing rules inside networks. It can be set up using different communication channels like Internet or separate ISP ...

By A Skendzic, B Kovacic