U najvećem broju ležišta energetskih mineralnih sirovina, pored jedne korisne komponente, prisutne su i druge prateće komponente koje se najčešće mogu rentabilno i ekonomično koristiti. Kompleksno korišćenje mineralno sirovinske baze je u interesu povećanja dohotka i što racionalnijeg iskorišćenja svakog leži&scar...

By Boško Vuković

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

This study, as it can be concluded from the title of this work concerning an important segment of the population structure, is about the economic structure. Economic structure of the population has changed in regard to the year of the census. It has been affected by purely demographic factors (fertility, mortality, migrations, age and gender struct...

By Tešo Ristić, Kornelija Ristić

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

There are a few hundred clays deposits in Republic Serbia and about 200 brickyards. Among geological-economic (industrial) types of clays the most important position hold the fire-ceramic and common (brick) clays, but of significant economic importance are some deposits of bentonite, kaolin, expanding clays and as well as sepiolite raw materials. ...

By Dejan Milovanović, Radule Tošović

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

Technogenic land presents impaired land surface occurring during the process of exploitation of minerals or those occurring at the place industrial dumpsites for waste materials. The largest impairments are caused by surface exploitation of coal, rock, gravel and ore. Specific technogenic creations are also the scoria-sites of power plants, settlin...

By Slavka Sufi-Mićić