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

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

Koridor Vc je dio mreže TEM transportne infrastrukture Jugoistočne Evrope, koji prolazi kroz Bosnu i Hercegovinu. Trasa počinje na sjeveru od rijeke Save, odnosno granice Hrvatske do Jadranskog mora. Za potrebe izrade projektne dokumentacije od idejnog rješenja do glavnog projekta, provedena su određenja istraživanja terena u dijelu trase i ...

By Neđo Đurić, Petar Mitrović, Anđa Đujić, Snežana Tadić

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

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

Gender structure of the population has been changing in dependence on fertility rate and its difference within genders, but also by emigration movements to which the population of this part of Republika Srpska was susceptible to. The ratio of male and female population can be best observed in the value of the masculinity and femininity factors in c...

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

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