Research on the influence of moulding-casting technology on the quality of castings
The quality of castings has a particularly role in the Romanian foundries. In this context, quality assurance is the overall objective of the foundries. The paper presents the critical analysis performed on moulding- casting technology of the type Lifting mechanism. This casting is a subset of the lifting and rotating mechanism of the furnace vault...
By A Josan, C Pinca Bretotean, S Raţiu, E Ardelean, M Ardelean
Audit in public administration's information systems – External or internal?
Audit of the information system, thanks to the increased use of ICT and related cyber-crime, becomes a very important process in modern companies and institutions. It is usual to engage or outsource a third party for independent financial audit. But what about auditing of the information system of public administration institutions? This paper give...
By D Drljača, B Latinović
A combined approach of AHP and TOPSIS methods applied in the field of integrated software systems
Adopting the most appropriate technology for developing applications on an integrated software system for enterprises, may result in great savings both in cost and hours of work. This paper proposes a research study for the determination of a hierarchy between three SAP (System Applications and Products in Data Processing) technologies. The technol...
By A D Berdie, M Osaci, I Muscalagiu, C C Barz
Critical study of current situation of Vrănicioara tailing pond on Cavnicului Valley, risks and consequences
In northern Romania, there are numerous tailing ponds, resulting from mining activities that present significant environmental risks. Some of them, including Vrănicioara tailing pond, were the subject of technical projects for ecological rehabilitation. Vrănicioara pond is located on the right side of Cavnic Valley, downstream Cavnic town, about 4 ...
By I Bud, S Duma, D Gusat, I Pasca, A Bud
Factors that increase the electric field of the dielectric barrier ozone generators
The dielectric barrier discharge cell (DBDC), also called ozone cell, is the main component of the ozone generators widely used. When the cell is powered with a high voltage value (> 5 kV) in the dielectric gas, arises a high intensity electric field that influences ozone generation processes by silent discharge also called dielectric barrier di...
By I Ganea, R Morar
Influence of the solid dielectric over the electric field from the ozone cell gap with double dielectric barrier
The distilled water has the advantage of high value dielectric constant (Ɛ = 81) in relation to ceramic glass materials, currently used for constructing the dielectric barrier. It was necessary to build a thin-walled enclosure of solid insulating material that contain distilled water to achieve a dielectric barrier. This was necessary to avoid expo...
By I Ganea
SEX DIFFERENCES IN RELATIONSHIPS BETWEEN SEXUAL COMPULSIVITY AND THE ONSET AND FREQUENCY OF MASTURBATORY AND INTERPERSONAL SEXUAL ACTIVITIES
On the sample of 1711 students (649 males and 1062 females) from Serbia (N=570) and BiH (N=1141), ranging from 19 to 25 years of age (M=21.88, SD=1.67), the relationships between sexual compulsivity levels and the onset and frequency of masturbatory and interpersonal sexual activities were explored. The Sexual Compulsivity Scale (SCS) of Kalichman ...
By Džanan Berberović
REMOTE CONTROL OF A ROBOTIC ARM
This paper presents the adopted solution for remote control via Ethernet of a robotic arm controlled by a Siemens PLC. PLC control interface is designed with a touch screen Weintek. This HMI control the local PLC, entering the coordinate on the axes X, Y and Z. The HMI command so the stepper motors which actions on the axis of the robotic arm. This...
By Cristian Barz, Tihomir Latinovic, Sorin Ioan Deaconu, Adina Pop-Vadean, Adela Berdie, Paul Petrica Pop
IMPORTANCE OF PREVENTIVE MAINTENANCE FOR OPERATIONAL AVAILABILITY OF TECHNICAL SYSTEMS IN MODERN BUSINES
Modern enterprises have recognized the necessity of quality and efficient management of maintenance in technical systems, but also its role in achieving competitive advantage. Since the company’s efficiency on the market depends on its internal effectiveness, there is no doubt that the management of maintenance is an indispensable part ...
By Edin Strukan
BOX AND GAUSS DISTRIBUTION MODELS OF AIR POLLUTANTS IN THE ENVIRONMENT
This paper describes the Box and Gaussian model as two of the simplest Euler models for the distribution of air pollutants in the environment. These models are based on the simplicity and they are easily applied mathematical, as well as implemented in computer programs, which greatly simplifies the calculations distribution of air pollution i...
By Miljana Vuković