Funkcionisanje energetskog sektora sve više poklanja pažnju primjeni aktivnijeg načina u pristupu osiguranja većeg stepena sigurnosti snabdijevanja energijom potrošača. Pri tome se vrše analize rizika, s ciljem definisanja uzročnika za njihov nastanak i njegovog smanjenja. Aktivnosti se sprovode kako u oblasti proizvodnje tako ...

By Zdravko Milovanović, Svetlana Dumonjić-Milovanović

Jodni broj se koristi za kvantifikovanje dvostrukih veza, glavnih uzroka nestabilnosti biodizela. Položaj i broj dvostrukih veza po molekuli su važan faktor za stabilnost biodizela a jodni broj ne može razlikovati ove parametre. Danas, sastav i molekulska struktura raznih ulja, sirovina za biodizel su jasno identifikovani. Stoga, jodni broj bi bio ...

By Asmir Kalfić

U mineralno sirovinskom kompleksu Republike Srpske vlada stanje relatvine stagnacije u pogledu svih vidova istraživanja kako fudamentalnih tako regionalnih i detaljnih. To je poslijedica nepostojanja sistema funkcionalnnog upravljanja odnosno neformiranja potrebnih institucije kao i neadekvatne zakonske regulative. Da bi se stanje popravilo potrebn...

By Ranko Cvijić

Floristička istraživanja ovoga područja su pokazala izuzetan diverzitet vaskularne flore koji se ogleda u prisustvu oko 400 biljnih vrsta svrstanih u 280 rodova i 85 porodica. Taksonomskom analizom utvrđeno je da najveći broj taksona vaskularnih biljaka područja Gromiželja pripada klasi Dicotyledones i to: 335 vrsta, 231 rod i 67 porodica. Analizir...

By Slađana Petronić, Jelena Kadić, Dejan Radošević, Goran Panić

Ozone occurs in the atmosphere at the highest volume in the stratospheric and tropospheric layer. In the stratosphere occurs naturally through the action of solar and cosmic radiation on oxygen molecules that break down to atomic oxygen, with the creation of molecules of ozone. Tropospheric ozone occurs in the lower layers of the atmosphere in the ...

By Neđo Đurić, Jovan Đuković, Nada Božić, Radenko Babić, Bosiljka Stojanović

The principle of the integral approach to environmental protection requires harmonised legal acts (laws) in a number of fields of social action, thus creating clear grounds in relation to jurisdiction, higher sphere of social action and sanctioning of failure in implementation of the prescribed measures. Such grounds are still non-existing in the F...

By Slavka Sufi-Mićić

From 35 location in the area of Pale, a ruderal community Arctio-Artemisietum vulgaris (Tx.1942) Oberd. et al. 1967 has been analysed. Photoes are made at neglected places around roads, streets, in the dumps, at the construction sites were organic origin waste are being placed and where direct antrophogenic condition are minimal. Floral elements, l...

By Slađana Petronić, Dragana Pavlović, Vesna Milić

In aim discussed about ruderal flora in the region Pale. Plant material collected from the surface that has been stamped out area, the places where defer droppings, organic or inorganic source, around the old deserted railroad tracks, along the roads, around construction sites, around the Miljacka riverbed, and from cultivated and uncultivated gree...

By Slađana Petronić, Dragana Pavlović, Vesna Milić

In the area of the town of Bijeljina followed the air quality in the period October 2008 - March 2009 year. There are three metering stations, one with an automatic monitor sulfur dioxide and equipment for monitoring osnopvnih of meteorological parameters. Up sulfur dioxide was the day. The results, table and shown graphically, indicate that the qu...

By Neđo Đurić, Jovan Đuković, Nada Božić, Radenko Babić, Bosiljka Stojanović

Occupational exposure is particularly delicate because of chronic exposure to low doses of ionizing radiation and its cumulative effect, where it is important to consider the biological response of body to given conditions of exposure. The objective of this study was the observation of the recovery of the DNA damages in subjects working in the radi...

By Dubravka Jovičić, Snežana Milačić, Boban Rakić, Ana Đorđević