Allelopathy is a process still little studied in the plant world, if we refer to the diversity of biochemical compounds, through which plants can interact with each other, with fungi or bacteria. Biochemical "dialogue" between organisms may have stimulatory or inhibitory effects, contributing to numerical setting of the populations, the assertion o...

By M Marian, Z Voşgan, O Mare Roşca, L Mihalescu

The manufacturing of PEMFC stacks (POLYMER ELEKTROLYT MEMBRAN Fuel Cell) is nowadays still done by hand. Over hundreds of identical single components have to be placed accurate together for the construction of a fuel cell stack. Beside logistic problems, higher total costs and disadvantages in weight the high number of components produce a higher s...

By C K Jalba, A Muminovic, C Barz, V Nasui

Students’ satisfaction with life is a multidimensional construct, which encompasses the satisfaction within different domains, including a satisfaction with school. It refers to the evaluation process in which a person evaluates the quality of his or her life according to their own unique set of criteria. The goal of this research was to dete...

By Divna Slavnić, Ivana Zečević

A large number of students dislike school. Furthermore, a growing number of thinkers are criticizing conceptual, moral, and practical deficiencies of the current compulsory education paradigm (with an emphasis on the importance of freedom). However, systematic research on the structure of students’ attitudes about these fundamental issues is ...

By Ivan Knežević, Siniša Subotić

The Dark Triad of Personality includes three dimensions related to antisocial and manipulative behavior: Machiavellianism, subclinical narcissism, and subclinical psychopathy. The HEXACO personality model proposed honesty-humility as one of the basic personality dimensions, which shares a lot of variance with the Dark Triad. This research deals wit...

By Mirjana Karać

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

 To evaluate the feasibility of the amount of energy that can be purchased (energy harvesting) from the environment (where RF is radio frequency) in the vicinity of a GSM base station BTS and compliance permissible limits the transmission power, we performed measurements of the electromagnetic field intensity fixed located in the University (N...

By Pop-Vadean Adina, Pop Paul Petrica, Tihomir Latinovic, Cristian Barz

 During the development and exploitation of various technical systems, often encounter the need to we need the data pertaining to predict how these systems behave during their exploitation. This primarily relates to their technical qualities such as reliability indicators (reliability, availability, mean time between failures, failure intensit...

By Božo Ilić, Živoslav Adamović, Branko Savić

 This paper treats a priori (the reason why) ecological heating systems using boilers with complete combustion, with the main objective function of significant material cost savings and increase the level of effectiveness of the system. Burning modulated and cheapest biomass-wood bark (encrustation), and other wood waste which are directly wit...

By Бoрo Дaкић, Пaнтeлиja Дaкић, Бeсим Грoздaнић

 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