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Prikaz rezultata 1-10 od 948
Metal pollution determined by pollution indices for sea grass p. Oceanica and surface sediments
(Srpsko biološko društvo, Beograd, i dr., 2015)
Concentrations of Fe, Mn, Cu, Zn, Pb, Ni, Co, As, Co, and Hg in the sea grass Posidonia oceanica and surface sediment samples were determined. Together with P. oceanica, surface sediment samples were collected at eight ...
Ispitivanje tehnološkog procesa dobijanja punilaca od krečnjaka iz mesta Gigovići kod Ulcinja za upotrebu u različitim industrijama / Investigation in order to defined the technological process of obtaining fillers for use in various industries on the basis of limestone 'Gigovići'-Ulcinj
(Univerzitet u Beogradu - Tehnički fakultet u Boru, Beograd, 2017)
U ovom radu su predstavljeni rezultati ispitivanja mogućnosti korišćenja krečnjaka iz mesta Gigovići kod Ulcinja (Republika Crna Gora) kao punioca u različitim granama industrije. Ispitivani su metodi mikronizacije, ...
Atmosfersko luženje bakra iz oksidno-sulfidne rude rastvorom sumporne kiseline / Atmospheric leaching of copper from oxide-sulfide ore using sulfuric acid
(Savez inženjera i tehničara Srbije, Beograd, 2020)
Visoka fleksibilnost, ekonomičnost i ekološka prihvatljivost hidrometalurških operacija nude mogućnost za selektivno dobijanje metala u ranim fazama tehnološkog procesa. To omogućava primenu hidrometalurških operacija u ...
The Influence of Compaction Pressure on the Density and Electrical Properties of Cordierite-based Ceramics
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2015)
Due to its characteristics, cordierite, 2MgO center dot 2Al(2)O(3)center dot 5SiO(2), is a high-temperature ceramic material of a great scientific interest. Mechanical activation of the starting mixtures containing 5.00 ...
Zearalenone and ochratoxin a: adsorption by kaolin modified with surfactant
(Savez inženjera metalurgije Srbije, Beograd, 2019)
Octadecyldimethylbenzyl ammonium chloride (OA) was used as a surfactant for the preparation of organokaolin. The natural kaolin (from a plant for production of quartz sand in Rgotina, Serbia) was modified with a surfactant ...
Model sistemi za fluorescenciju fluorapatita zasnovani na kristalografskim i kvantno-hemijskim podacima / Model systems for fluorescence of fluorapatite based on crystallographic and quantum-chemical data
(Belgrade : Serbian Crystallographic Society, 2016)
Hidroksiapatit (HAp) i fluorapatit (FAp) su dobro poznati biomaterijali jer pred stavljaju glavne komponente kostiju i zuba. Sintetički HAp i FAp se smatraju potencijal nim biomaterijalima zbog svojih bioloških, biokompatibilnih ...
Kinetics of barite reduction from refractory barite-sulphide ore
(Savez inženjera metalurgije Srbije, Beograd, 2016)
Refractory sulphide-barite ore was reduced with carbon in order to release lead, zinc, and copper sulphide from barite-pyrite base. Mineralogical investigations showed that due to the complex structural-textural relationships ...
Influence of mechanochemical activation on components on synthesis of cordierite ceramics for application in electronics
(Belgrade : Union of Mechanical and Electrotechnical Engineers and Technicians of Serbia (SMEITS) and Society for Renewable Electrical Power Sources, 2020)
The properties of cordierite, 2MgO·2Al2O3·5SiO2, makes this ceramics nowadays an attractive
material, which can be used for various applications in electronics. As the sintering temperature of
cordierite is very high ...
Fabrication and characterization of manganese ferrite/expanded vermiculite as a magnetic adsorbent of nickel ions
(Belgrade : Serbian society of corrosion and materials protection (UISKOZAM), 2021)
Adsorbents based on magnetic materials are the subject of numerous researches. Beside good magnetism and functional surface, manganese ferrite is unstable and prone to form low mechanical strength agglomerates, which ...
Microstructure assessment of co alloy intended for dentistry
(Belgrade : Association of Metallurgical Engineers of Serbia, 2023)
Cobalt–chromium–molybdenum (CoCrMo) alloys are known for medical use due to their biocompatibility, corrosion and
wear resistance. The chemical and phase composition, as well as microstructure of the alloy directly affect ...