Претрага
214 items
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Agates of the Lece Volcanic Complex (Serbia): Mineralogical and Geochemical Characteristics
Agate veins and nodules occur in the Lece Volcanic Complex (Oligocene-Miocene) situated in the south of Serbia and occupying an area of 700 km2. This volcanic complex is composed predominantly of andesites, with sporadic occurrences of andesite-basalts, dacites and latites, and features agate formations that have been very little investigated. This study focuses on five selected agate occurrences within the Lece Volcanic Complex, employing optical microscopy, scanning electron microscopy (SEM), X-ray powder diffraction analysis, inductively coupled plasma mass spectrometry ...Zoran Miladinović, Vladimir Simić, Nenad Nikolić, Nataša Jović Orsini, Milena Rosić. "Agates of the Lece Volcanic Complex (Serbia): Mineralogical and Geochemical Characteristics" in Minerals, MDPI AG (2024). https://doi.org/10.3390/min14050511
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Fluid inclusion systematics in the Okoška gora polymetallic deposit
... conditions and establishing fact-based вепенс тодејв Гог Зјомепјав · deposits. Okoška Gora mineralization Okoška Gorais a high-grade and highly localized Zn-Pb-Cu exploration target: in the southern part ofthe Pohorje Mountains between the towns ofOplotnica andSlo Bistrica. Three exploration shafts were dug ...
... archivi case study from the Cambro-Ordovician sect Sahara) using U-Pb-LA-ICP-MSdetrital zircon Linnemann, U., Gerdes, A., Hofmann, M. & Marko, L. 2 to Early Cambrian crustal growth and orogenic zonih, Авсап Стаоп—Сопзтани from U-Pb zircon ages ani Germany). - Precambrian Research, 224, 236–278. Mioč ...Aleš Šoster, Miloš Velojić, Barbara Potočnik Krajnc, Matej Dolenec. "Fluid inclusion systematics in the Okoška gora polymetallic deposit" in 25th meeting of Slovenian geologists, Ljubljana, 2021, Univerza v Ljubljani, Oddelek za geologijo (2021)
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Actual contamination of the Danube and Sava rivers at Belgrade (2013)
Milan Antonijević, Marija Arsović, Josef Cáslavský, Vesna Cvetković, Predrag Dabić, Mladen Franko, Gordana Ilić, Milena Ivanovic, Nevena Ivanović, Milica Kosovac, Dragana Medić, Slobodan Najdanović, Milica Nikolić, Jovana Novaković, Tatjana Radovanović, Djurdjina Ranić, Bojan Šajatović, Gorica Špijunović, Ivana Stankov, Jelena Tošović, Polonca Trebse, Olivera Vasiljević, Jan Schwarzbauer (2014)rečni sistemi, stanje zagađenja, organski zagađivači, teški metali, skrining analize, non-target screening... EDTA.20 On the other hand, dissolved metals were observed in grab water samples - Fe, Mn, Zn, Ni, Cu, Cr, Co, Pb and Cd. Inorganic pollutants were investigated in sediments as well - Cd, Pb, Ni, Hg, Cu, Zn, Cr, As and P were determined.21 The present study focused on a comprehensive investigation ...
... To exemplify the distribution and levels of sediment contamination by heavy metals in the Sava and Danube Rivers, the metals As, Cd, Cr, Cu, V, Pb, Ni and Zn were selected for analyses due to their abundance and toxic effects in the environment of highly industrialized and urbanized areas. The determination ...
... be incurpor- ated into the food chains and concentrated in aquatic organisms to a level that affects their physiological state. Trace metals such as Zn, Cu and Fe play a bio- chemical role in the life processes of all aquatic plants and animals; therefore, they are essential in the aquatic environment ...Milan Antonijević, Marija Arsović, Josef Cáslavský, Vesna Cvetković, Predrag Dabić, Mladen Franko, Gordana Ilić, Milena Ivanovic, Nevena Ivanović, Milica Kosovac, Dragana Medić, Slobodan Najdanović, Milica Nikolić, Jovana Novaković, Tatjana Radovanović, Djurdjina Ranić, Bojan Šajatović, Gorica Špijunović, Ivana Stankov, Jelena Tošović, Polonca Trebse, Olivera Vasiljević, Jan Schwarzbauer. "Actual contamination of the Danube and Sava rivers at Belgrade (2013)" in Journal of the Serbian Chemical Society, National Library of Serbia (2014). https://doi.org/10.2298/JSC131105014A
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Hydrothermal Synthesized and Alkaline Activated Carbons Prepared from Glucose and Fructose—Detailed Characterization and Testing in Heavy Metals and Methylene Blue Removal
Sanja Krstić, Milan Kragović, Maja Pagnacco, Vladimir Dodevski, Branka Kaluđerović, Miloš Momčilović, Ivica Ristović, Marija Stojmenović (2018)glukoza, fruktoza, аktivni ugalj, hidrotermalni tretman, aktivacija hidroksida, teški metali, metilen plavo... fructose) as well as the type of hydroxides used as activating agents. After characterization, samples were tested as materials for heavy metals (Pb**+, Cd?* and Zn?*) and methylene blue removal. Also, adsorption experiments were performed on wastewaters taken from tailings of the lead and zinc mine and kinetic ...
... indications that potassium ions may be included in heavy metals removal, good removal of the heavy metal ions (~47-59 mg/g for Pb**, ~21-27 mg/g for Cd?* and ~6-10 mg/g for Zn**) and fast (~10-30 min) and good methylene blue (~60-200 mg/g) removal. Keywords: glucose; fructose; activated carbon; hydrothermal ...
... ions are known to be toxic and carcinogenic. Toxic heavy metals which are of particular concern in the treatment of industrial wastewaters are Zn, Cu, Ni, Hg, Cd, Pb and Cr [2]. Regarding acute toxicity, cadmium and lead along with mercury form “the big three” of heavy metals with the greatest potential ...Sanja Krstić, Milan Kragović, Maja Pagnacco, Vladimir Dodevski, Branka Kaluđerović, Miloš Momčilović, Ivica Ristović, Marija Stojmenović . "Hydrothermal Synthesized and Alkaline Activated Carbons Prepared from Glucose and Fructose—Detailed Characterization and Testing in Heavy Metals and Methylene Blue Removal" in Minerals, MDPI (2018)
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Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata
Sabina Z. Kovač (2015-09-28)Predmet rada i istraživanja ove doktorske disertacije su sinteza i strukturnekarakteristike novih kristalnih arsenata i fosfata koji sadrže Mg, K, Ca, Mn, Fe, Co, Ni,Cu, Zn, Sr, Ba i druge katjone. U strukturama arsenata i fosfata, AsO4- i PO4-tetraedrinajčešće se vezuju sa tetraedarski ili oktaedarski koordinisanim katjonima prelaznihmetala formirajući otvorene strukture (slojeve ili 3D mreže) sa širokim opsegomrazličitih topologija. U šupljinama ili porama u obliku povezanih ili nepovezanihkanala, tunela, kaveza i međuslojnog prostora mogu se ugraditi različiti vanmrežni joni(obično ...... ili tetragonalnih minerala i sintetičkih jedinjenja čini T1[T2(OH)6]-grupa heksahidroksido kompleksa (T1 = Na, Mg, Ca, Mn, Fe, Co, Cu, Zn, Cd; T2 = Ge, Sn, Sb, Pb). Strukturno, svi kompleksi iz ove grupe su veoma slični (Welch and Crichton, 2002 i tamo navedena literatura; Asai, 1975; Levy-Clement ...
... ugla nađena u (NH4)[Zn(PO3(OH))(PO2(OH)2)] (Boudjada et al., 1980), gde su takođe prisutne grupe H2PO4 −. Za razliku od ZnP2 u kristalnoj strukturi Zn4P3 pojavljuju se osim Zn‒O‒P i Zn‒O‒Zn mostovi. Veći sadržaj Zn u Zn4P3 (Zn:P odnos 4:3) uzrok je formiranja Zn‒O‒Zn veza, sa premošćavajućim ...
... odgovarajući obrtni uglovi lanaca u lančanim cinkofosfatima sa odnosom T:P od 1:2 (T = Zn, Al): a) (H2en)[Zn(PO4)2], b) (C7H10N)[Al(PO3(OH))2], c) (C10H22N4)[Zn(PO3(OH))2]·2H2O, d) (NH4)[Zn(PO3(OH))(PO2(OH)2)], e) [Zn(H2O)2(PO2(OH)2)2]·2paba. (Za skraćenice i literaturu pogledati tabelu 44.) ...Sabina Z. Kovač. "Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-09-28)
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An optimal sixteenth order family of methods for solving nonlinear equations and their basins of attraction
Dejan Ćebić, Nebojša Ralević, Marina Marčeta. "An optimal sixteenth order family of methods for solving nonlinear equations and their basins of attraction" in Mathematical Communications (2020)
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An Efficient Class of Iterative Root-Finding Methods with Applications
Dejan Ćebić, Nebojša Ralević (2021)Dejan Ćebić, Nebojša Ralević. "An Efficient Class of Iterative Root-Finding Methods with Applications" in 2021 IEEE 19th International Symposium on Intelligent Systems and Informatics (SISY), IEEE (2021). https://doi.org/10.1109/SISY52375.2021.9582495
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Two new zincophosphates, (H3NCH2CH2NH3)2[Zn(m-PO4)2] and (NH4)[(H3N)Zn{(m-PO4)Zn}3]: Crystal structures and relationships to similar open framework zinco - and aluminophospates
Karanović Ljiljana, Poleti Dejan, Đorđević Tamara, Šutović Sabina. "Two new zincophosphates, (H3NCH2CH2NH3)2[Zn(m-PO4)2] and (NH4)[(H3N)Zn{(m-PO4)Zn}3]: Crystal structures and relationships to similar open framework zinco - and aluminophospates" in Journal of Solid State Chemistry 184 no. 9, 525 B St, Ste 1900; San Diego; CA 92101-4495:Academic Press (2011): 2506-2515. https://doi.org/10.1016/j.jssc.2011.07.030
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Mineragenetske karakteristike i potencijalnostjuvelirskih mineralnih resursa leckog vulkanskog kompleksa
Zoran Ž. Miladinović (2012-12-11)Jedan od najznačajnijih regiona u Srbiji, sa stanovišta potencijalnosti juvelirskih mneralnih resursa, predstavlja lecki vulkanski kompleks, tercijarne starosti i dominantno andezitskog sastava. Ovaj vulkanski kompleks površine preko 700km2 nalazi se u južnojSrbiji na prostoru imeđu Kuršumlije, Lebana i Medveđe.Prvi su pažnju na juvelirske mineralne sirovine ovog prostora obratili graditeljiJustinijane Prima-e (VI vek). Najintenzivnija istraživanja izvršena su u periodu 1980–1982. ali samo na malom prostoru krajnjeg jugoistočnog dela vulkanskog kompleksa.U Leckom vulkanskom kompleksu dominiraju andezitske stene i njihovi piroklastiti.Smatra se ...vulkanski kompleks, mineragenetske karakteristike, juvelirski mineralni resursi, nalazišta, potencijalnost, kvarc, ametist, ahat, kalcedon, jaspis, prognoza... današnjem erozionom nivou, vulkanizam je dominantno predstavljen andezitima i njihovim piroklastitima, podređeno dacitima, latitima, trahitima i andezit- bazaltima. Vulkanizam je pretežno eksplozivno-efuzivnog karaktera. Ležišta i pojave metaličnih (Pb, Zn, Cu, Au, Ag i dr.) i juvelirskih mineralnih ...
... mineralnih resursa leckog vulkanskog kompleksa 151 92). U niskotemperaturnim hidrotermalnim ležištima Pb i Zn prisutna je vertikalna zonalnost u prostornom razmeštaju asocijacije elemenata (Pb i Zn). U dubljim delovima terena, bliže magmatskom ognjištu dominiraju minerali cinka, a bliže površini terena ...
... juvelirskog kamena Rasovača, Mehane II i Ždraljevići sadržaj Pb viši u odnosu na Zn. Ovo nam ukazuje da su ova nalazišta vezana za duboke razlomne zone. U tim razlomnim zonama su, u dubljim nivoima, deponovane više koncentracije Zn u odnosu na Pb, dok su rudna tela juvelirskog kamena silicijskog sastava ...Zoran Ž. Miladinović. "Mineragenetske karakteristike i potencijalnostjuvelirskih mineralnih resursa leckog vulkanskog kompleksa" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2012-12-11)
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Recycling of carbonates into the deep mantle beneath central Balkan Peninsula: Mg-Zn isotope evidence
Mg i Zn izotopi, ciklus ugljenika, natrijski alkalni bazalti, orogeni pojas Tetisa, Balkansko poluostrvoZi-Tan Shu, Sheng-Ao Liu, Dejan Prelević, Vladica Cvetković, Shuguang Li. "Recycling of carbonates into the deep mantle beneath central Balkan Peninsula: Mg-Zn isotope evidence" in Lithos, Elsevier (2022). https://doi.org/https://doi.org/10.1016/j.lithos.2022.106899
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Rezultati ispitivanja parametara čvrstoće i dinamičkih svojstava mermera i mogućnost njihove korelacije
Ispitivanja stena kao radne sredine, odnosno materijala sa kojim se gradi, na kome se gradi i u kome se gradi, svojom složenošću zahteva njeno svestrano izučavanje po velikom broju parametara. Zadatak Mehanike stena je da što bolje upozna ponašanje stenske mase i njenu otpornost na dejstvo pritiska, zatezanja i smicanja, kao i dinamičkih svojstava. Poznavanje navedenih parametara i njihova korelacija omogućavaju pouzdaniji izbor parametara za projektovanje danas sve zahtevnijih uslova kako podzemne, tako i površinske eksploatacije. U ovom radu ...mermer, jednoosna čvrstoća na pritisak, čvrstoća na istezanje, brzina longitudinalnih elastičnih talasa, korelacijaJelena Majstorović-Necković, Vladimir Čebašek, Veljko Rupar. "Rezultati ispitivanja parametara čvrstoće i dinamičkih svojstava mermera i mogućnost njihove korelacije" in 11. Međunarodna konferencija “Ugalj i kritični materijali" CCM 2023, Zlatibor, 11-14. oktobar 2023., Beograd : Jugoslovenski komitet za površinsku eksploataciju (2023)
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Hypogene speleogenesis related to porphyry magmatic intrusions and its influence on subsequent karst evolution in the Peruvian high Andes
Alexander Klimchouk, David Evans, Sasa Milanovic, Cristian Bittencourt, Mauro Sanchez, F. Carlos Aguirre (2022)Alexander Klimchouk, David Evans, Sasa Milanovic, Cristian Bittencourt, Mauro Sanchez, F. Carlos Aguirre. "Hypogene speleogenesis related to porphyry magmatic intrusions and its influence on subsequent karst evolution in the Peruvian high Andes" in Geomorphology, Elsevier BV (2022). https://doi.org/10.1016/j.geomorph.2022.108488
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Hronološki pregled razvoja površinske eksploatacije lignita u Srbiji
U ovom preglednom radu dat je istorijski pregled razvoja površinske eksploatacije lignita na teritoriji Srbije, uz kratak osvrt na geološki nastanak i kvalitet i rezerve uglja, kao i mogućnosti korišćenja za dalju upotrebu. Kolubarski, Kostolački i Kovinski ugljeni baseni lignita u Srbiji, ne računajući Kosovsko-Metohijski i Drenički u sastavu AP Kosovo i Metohija po Rezoluciji 1244 UN, su ležišta najrasprostranjenijeg uglja - lignita u Srbiji koji se eksploatiše od druge polovine 20. veka na velikom broju površinskih kopova ...Bojan Dimitrijević, Radmila Gaćina, Bogoljub Vučković. "Hronološki pregled razvoja površinske eksploatacije lignita u Srbiji" in XI Međunarodna konferencija ugalj i kritični mineral CCM 2023, Zlatibor, 11-14. oktobar 2023., Beograd : Jugoslovenski komitet za površinsku eksploataciju (2023)
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Geoloski profil planine Avale (severna Šumadija) - uvid u litostratigrafiju i tektonske strukture
Mezozojske formacije Šumadije dele tektonsko-stratigrafsku evoluciju južnijih delova suture jedinica Adrijskog i Evropskog afiniteta, uključujući gornjojursku obdukciju, krednu subdukciju i paleogenu kontinentalnu koliziju. Finalni rezultat dugovremene evolucije u geodinamički složenom ambijentu su komplikovani tektonski i litostratigrafski odnosi različitih mezozojskih formacija suture. Geološki profil kroz planinu Avalu omogućava uvid u skoro potpunu sukcesiju mezozojskih formacija i prostorne pozicije i kinematiku značajnih tektonskih struktura najsevernijih segmenata suture u Šumadiji. U tektonskom kontekstu, mezozojske formacije okoline Beograda najčešće su interpretirane kao deo Istočne ...Marinko Toljić, Bojan Glavaš-Trbić, Maja Maleš, Nikola Ranđelović. "Geoloski profil planine Avale (severna Šumadija) - uvid u litostratigrafiju i tektonske strukture" in 18. Kongres geologa Srbije "Geologija rešava probleme", Divčibare, 01-04 jun 2022. , Srpsko geološko društvo (2022)
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Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija
Gordana Milentijević, Blagoje Nedeljković, Milena Lekić, Zoran Nikić, Ivica Ristović, Jelena Đokić (2016)... similar [15]. Table 2. Chemical composition of the tailing waste deposits of Gornje Polje [16]. Tailing Pond Element (%) O Al Si S Ca Fe Zn As Ag Cd Sb Hg Pb Total Gornje Polje 47.41 0.21 1.94 17.42 3.51 27.86 0.27 0.92 0.00 0.11 0.35 0.00 0.00 100.00 The Ibar’s water quality for 2008, on the sampling ...
... tailing waste deposit Bostanište, is presented in the following parameters: pH, total solid particles, soluble matter, non-soluble particles, SO4, Pb, Zn, Cu, Cd, Fe, Ca. The increased values of the elements in comparison to the maximum allowed concentrations according to the administrative decision ...
... direction, the distance range was 150 m, 250 m, 350 m and 1400 m. The analyses were conducted for the following heavy metals: Mo, Zr, Sr, Rb, Pb, Se, As, Hg, Zn, Cu, Mi, Co, Fe, Mn, Cr, Cd. Heavy metal concentration in the top soil in the area of Bostanište and their limited values according to the a ...Gordana Milentijević, Blagoje Nedeljković, Milena Lekić, Zoran Nikić, Ivica Ristović, Jelena Đokić. "Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija" in Energies, MDPI AG (2016). https://doi.org/10.3390/en9110935
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Mineral-like phases in the MO-CdO-As2O5-H2O system (M2+ = Mg, Mn, Fe, Co, Ni, Cu, Zn)
Đorđević Tamara, Gerger Sabrina, Karanović Ljiljana. "Mineral-like phases in the MO-CdO-As2O5-H2O system (M2+ = Mg, Mn, Fe, Co, Ni, Cu, Zn)" in The 29th European Crystallographic Meeting, ECM29 MS14-15, Rovinj, Croatia: (2015): 303-303
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Mineral-like M1–M2–H-arsenates (M12+ = Sr, Ba, Cd; M22+ = Mg, Co, Ni, Cu, Zn): crystal structure of Cd0.74Mg2.76(AsO4)(HAsO4)2
Đorđević Tamara, Stojanović Jovica, Karanović Ljiljana. "Mineral-like M1–M2–H-arsenates (M12+ = Sr, Ba, Cd; M22+ = Mg, Co, Ni, Cu, Zn): crystal structure of Cd0.74Mg2.76(AsO4)(HAsO4)2" in Acta Mineralogica-Petrographica, Abstract Series 6, IMA 2010, 20th General Meeting of the International Mineralogical Association, Budapest, Hungary: (2010): 716
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Mineral-related arsenates in the system CdO/MO/As2O5 (M2+ = Mg, Mn, Fe, Co, Ni, Cu, Zn): Cd1.25Zn0.75(HAsO4)2•2H2O and mineral fluckite
Đorđević Tamara, Karanović Ljiljana (2016)Đorđević Tamara, Karanović Ljiljana. "Mineral-related arsenates in the system CdO/MO/As2O5 (M2+ = Mg, Mn, Fe, Co, Ni, Cu, Zn): Cd1.25Zn0.75(HAsO4)2•2H2O and mineral fluckite" in XXIII Konferencija Srpskog kristalografskog društva, Đušina 7, 11000 Beograd :Srpsko kristalografsko društvo (2016): 72-73
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In situ dehydration behavior of veszelyite (Cu,Zn)2Zn(PO4)(OH)3•2H2O: A single-crystal X-ray study
Danisi Rosa Micaela, Armbruster Thomas, Lazić Biljana, Vulić Predrag, Kaindl Reinhard, Dimitrijević Radovan, Kahlenberg Volker (2013)Danisi Rosa Micaela, Armbruster Thomas, Lazić Biljana, Vulić Predrag, Kaindl Reinhard, Dimitrijević Radovan, Kahlenberg Volker. "In situ dehydration behavior of veszelyite (Cu,Zn)2Zn(PO4)(OH)3•2H2O: A single-crystal X-ray study" in American Mineralogist 98 no. 5, Washington D.C. :Mineralogical Society of America (2013): 1261-1269. https://doi.org/10.2138/am.2013.4465
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An integrated study of thermal treatment effects on the microstructure and magnetic properties of Zn-ferrite nanoparticles
Antić Bratislav V., Perović Marija, Kremenović Aleksandar, Blanuša Jovan L., Spasojević Vojislav V., Vulić Predrag, Bessais Lotfi, Božin Emil S. (2013)Antić Bratislav V., Perović Marija, Kremenović Aleksandar, Blanuša Jovan L., Spasojević Vojislav V., Vulić Predrag, Bessais Lotfi, Božin Emil S.. "An integrated study of thermal treatment effects on the microstructure and magnetic properties of Zn-ferrite nanoparticles" in Journal of Physics – Condensed Matter 25 no. 8, Bristol:IOP Publ. Ltd. (2013): 1-13. https://doi.org/10.1088/0953-8984/25/8/086001