The operational definition of water turbidity is an important step in checking the quality of drinking water. In this work an analysis of existing methods and systems of operational control of turbidity of water was carried out, and design of turbidimeter consisting of a two-channel sensor (measuring and reference channels) and a measuring device (...

By Leonid Zamikhovskiy, Svitlana Petriv

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 main goal of this paper was to obtain all acceptable locations for siting of wind turbines in the region of Srebrno jezero lake, near the Danube river, near the borders with the neighbouring Republic of Romania and Republic of Bulgaria. Total of 10 locations for sitting of 2MW wind turbines were accepted. The estimations were obtained using the...

By Predrag Miodrag Živković

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

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 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

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