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

Prilikom istraživanja ruderalne vegetacije Pala izdvojena je zajednica Onopordetum acanthii Br.-Bl. 1926. U radu je prikazan floristički sastav, ekološke i fitogeografske karakteristike ove asocijacije. Floristički sastav navedene fitocenoze čine 94 vrste od kojih edifikatorska vrsta Onopordum acanthium ostvaruje najveći stepen prisutnosti (...

By Slađana Petronić

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

On the way Drinjaca - Bratunac, near the Drina River in the village of Polom II, activated during the landfall of works execution on the existing paving times. Time is built in the early twentieth century along the left bank of the river Drina. Given that the coast of the river Drina quite steep, it is in some parts of the route came to creat...

By Neđo Đurić, Petar Mitrović, Milan Perišić

Town of Bijeljina, with about 70 000 inhabitants, is located in the northeastern part of Republic of Srpska, Bosnia and Herzegovina. Sudden increase of population in the last 15 years, and the increased number of cars in the city, create traffic, traffic, both in terms of movement of motor vehicles, and their parking. If in fact have in mind that c...

By Neđo Đurić, Željko Bajić

The paper describes a new way of injecting soil in order to repair the foundation of building facilities. This procedure is known under the name "JET grouting. Property procedure is that the depth of the ground, below ground facility, the addition cementnog veziva, create posts of autochthonous soil and cement, with a much stronger mechanical (defo...

By Petar Mitrovic

Meteorological conditions favorable for the build up of ozone (O ) are frequent in Belgrade and the 3surrounding area. Measurements, for the seasons 1993 to 2004 performed at three different sites inside the city, revealed two main patterns of photochemical smog events in the Belgrade area: a progressive increase and accumulation of photochemical o...

By Dragan A. Marković, Dragan M. Marković, Mladjen Ćurić

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

Pyrethrum (Tanacetum cinerariaefolium Trev.), a herbaceous perennial plant and member of the Asteraceae family, grows as an endemic species in the coastal region of Eastern Adriatic. It has long been an object of scientific scrutiny and used in practice for its insecticidal components contained in the flower (pyrethrines I and II) which constitute ...

By Svjetlana Cupać