10 articles in this issue
Dj. Vastag, N. Perišic -Janjic, S. Apostolov, S. Petrovic
Retention behavior of some N-(4-phenylsubstituted)-2,3-diphenylpropanamides was investigated on reversed phase thin layer chromatography (RP-C18). Retention constants of investigated compounds were determined in the following solvent systems: water-ethano... see more
D. Chamovska, D. Lazova, T. Grchev, M. Cvetkovska
Chemical inertness and physical properties like adequate gas barrier, transparency, light weight and good recyclability, have made poly(ethylene therephtalate) (PET) particularly suitable in food packaging applications, especially in beverages and drinkin... see more
V. Šcekic, S. Pušica, S. Markovic
Energy is now one of the most important components of development and functioning of the economy and society in general. The development of civilization use different energy sources – fossil fuels and other energy sources like wind and water that are used... see more
M. B. Rajkovic, I. D. Sredovic, S. R. Milojkovic, D. V. Toškovic, D. D. Stanojevic
Preparation of samples by microwave technique consists of large number of phases, from taking samples till receiving homogeneous solution for instrumental analysis. Samples preparation can include combination of drying, wetting, extraction, digestion, ana... see more
K. Lisichkov, S. Kuvendziev
Non-conventional separation procedure - supercritical fluid CO2 extraction (SFE-CO2) conforms to the strict demands of the precise process eco-technologies. It represents a perspective method especially in obtaining eco-friendly extracts from vegetable an... see more
A. Mitovski, D. Živkovic, N. Štrbac, Lj. Balanovic, D. Manasijevic, I. Mihajlovic, Ž. Živkovic
Steel industry kept pace with actual trends for environmental protection in many ways – through different technological improvements considering environment protection, important share of recycling in the steel production, design of so called “eco-steels”... see more
V. Micic, M. Jotanovic, V. Damjanovic, Ž. Lepojevic, B. Pejovic
Sage with different degrees of fragmentation was extracted at the plant for extraction of gases under pressure (HPEP, Nova Swiss, Switzerland). Plant material - drug consisted of dried leaves of sage (Salviae folium), collected from harvested wild plants ... see more
I. Juranic
It is well known that the exposition to air and weather markedly enhances derogation of all artifacts. In this report, the contribution of light (particularly sunlight) to marked speed-up of the oxidation and other changes by exposition to atmosphere will... see more
T. Bogojevski
Traditional starters are used for different types of cheese, a mixed associations of microorganisms. The mixed starters contain more species and strains of bacteria isolated from traditional starters. Depending on the type of cheese are produced, they pre... see more
M. Perušic, Z. Obrenovic, M. Gligoric
This paper presents the results of the impact of basic additives in the process of heating (calcinations) of industrial aluminum hydroxide and the formation of the final stable phase a- Al2O3. The influence of additives have been focused on the result of ... see more