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

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

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

On the railroad Tuzla – Zvornik, on stacionage km 41+150 – km 41+200, there is a landslide on the left cut, 50 m before the entrance to the tunnel. There have been partial repairs over the years, but without any former detailed researches, so no proper solutions were found. Frequent repairs, like building shallow supporting walls, haven...

By Anđa Đujić, Neđo Đurić, Petar Mitrović

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

Definition of ecological aspects through directive of mine operation related to sustainable development basic rools is very imporatant by performing of mine regulation plan . In this work is presented Regulation plan of Omarska mine like sample for definition of Mine obligation related to Law of environmental protection in the Republic Srpska...

By Svjetlana Sredić, Slobodanka Malbasic, Vladimir Malbasic