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Prikaz rezultata 11-20 od 46
Sustainable development and polymer materials / Održivi razvoj i polimerni materijali
(University of Belgrade, Technical Faculty in Bor, 2011)
In the last twenty years, a rapid growth in the application of polymer materials occurred in practically all fields of human activities, especially for packaging. Never the less, in the world and our country, quite often ...
Correction: Nanomaterials environmental risks and recycling: Actual issues (2014, vol. 7, p. 1) / Ispravka: Ekološki rizici i reciklaža nanomaterijala - aktuelna pitanja (2014, vol. 7, p. 1)
(University of Belgrade, Technical Faculty in Bor, 2016)
Editorial board of the 'Recycling and Sustainable Development' Journal in agreement with the authors of the article titled 'Nanomaterials environmental risks and recycling - actual issues' (D. Zivkovic, Lj. Balanović, A. ...
The synthesis of CaO loaded onto Al2O3 from calcium acetate and its application in transesterification of the sunflower oil / Sinteza CaO nanešenog na Al2O3 od prekursora kalcujum acetata i njegova primena u transesterifikaciji suncokretovog ulja
(Tehnološki fakultet, Leskovac, 2015)
Transesterification of sunflower oil was carried out over CaO loaded onto γ-Al2O3 as heterogeneous base catalysts. The solid base catalysts were synthesized by the modified wet impregnation of calcium acetate monohydrate ...
Lean Concept in Transmitter Production
(Institute IMK "14. oktobar", Kruševac, 2015)
The algorithm for providing improvement of production processes in the company of small-batch type of production has been intrduced in this paper. Lean manufacturing or concept in the process of improving production is ...
Crude glycerol and whey as carbon and nitrogen sources for the production of antibiotics / Sirovi glicerol i surutka kao izvori ugljenika i azota za produkciju antibiotika
(Tehnološki fakultet, Leskovac, 2016)
The microorganisam Streptomyces hygroscopicus CH-7 produces antibiotics Hexaene, Nigericine and Elaiophyline. The yield of antibiotics can be increased by changing the fermentation conditions and the composition of the ...
New method for monitoring of the oxygen reduction process in aqueous solutions / Nova metoda za monitoring procesa redukcije kiseonika u vodenim rastvorima
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2009)
Composite electrode material based on NaX zeolite and silver dispersed both inside zeolite cavities and between the zeolite crystals, in nitrogen purged 0.1M NaOH solution, yielded the cyclic voltammograms corresponding ...
The adsorption of imidacloprid onto activated carbon obtained by carbonization of pine cones / Adsorpcija imidakloprida na aktivnom uglju dobijenom karbonizacijom borove šišarke
(Savremene tehnologije, 2013)
Pine cones of European Black pine are utilized as a precursor for obtaining powdered activated carbon. The concentrated phosphoric acid was used as an activating agent. A detailed study of the imidacloprid adsorption onto ...
Two-dimensional gradient-index metamaterial with sawtooth profile
(Udruženje za mikrotalasnu tehniku i tehnologiju i IEEE MTT-S Chapter-a Srbije, Beograd, 2013)
We investigate theoretically and experimentally a binary metal-dielectric metamaterial with a sawtooth profile. The structure consists of a two-dimensional array of pillars with submicrometer diameters. The pillar diameters ...
Compound analysis of essential oils from lovage and celery fruits obtained by headspace extracton / Analiza komponenti etarskih ulja plodova selena i celera dobijenih headspace ekstrakcijom
(Poljoprivredni fakultet, Novi Sad, 2015)
Lovage and celery are important as vegetables, spices and medicinal herbs rich in essential oil, which gives them a characteristic aroma. In addition, they have great pharmacological potential and the possibility of being ...
Essential oil composition from sweet and bitter fennel fruits from Serbia / Hemijski sastav etarskog ulja plodova slatkog i gorkog komorača iz Srbije
(Institute for Medicinal Plants Research "Dr. Josif Pancic", 2015)
Fennel (Foeniculum vulgare Mill.) is aromatic plant from Apiaceae family. There are two types that have commercial importance, sweet fennel Foeniculum vulgare var. dulce, and bitter fennel - Foeniculum vulgare var. vulgare. ...