Претрага
288 items
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Simple 2D gravity–density inversion for the modeling of the basin basement: example from the Banat area, Serbia
We have developed a technique to calculate lateral density distribution of the sedimentary basin basement by combining linear gravity–density inversion and 2D forward modeling. The procedure requires gravity anomaly data, depth-to-basement data and density data for the sediments (density–depth distribution). Gravity efect of density variations in the basement was extracted from the total gravity anomaly by removing the joint efect of the sediments with vertical density variations and homogeneous basement of average density contrast (calculated by 2D modeling). Gravity ...Ivana Vasiljević, Snežana Ignjatović, Dragana Đurić. "Simple 2D gravity–density inversion for the modeling of the basin basement: example from the Banat area, Serbia" in Acta Geophysica, Springer (2019). https://doi.org/10.1007/s11600-019-00328-9
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Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation
The Dark Gate is the monument of culture, part of the cultural and historical complex of the Belgrade Fortress. It is constructed of limestone blocks that after 270 years of exposure to environmental conditions and different anthropogenic influences show wide ranges of decay forms. During 2007, detail registration of all built limestone microfacies and weathering forms was done using tools of monument mapping. A correlation scheme ‘‘intensity– damage category’’ was made according to the type, intensity, and distribution of ...... North facade (%) East half (%) West half (%) fagade and related to (he gate's 2007 2014 2007 2084 2007 2014 2007 2014 2007 2004 orientation || 71 7 8 8 3 ı 7 6 7 7 2 2 21 20 19 27 27 21 22 24 19 3 4 4 4 42 44 42 40 38 47 4 4 19 I8 20 18 16 18 21 200 - I6 16 5 0 208 13 10 12 u 4 6 I facade, it seems ...
... all bioclasts are the uniform size, between 0O.2 and 1.5 mm, mostly about 0.5 mm. Densely distributed bioclasts include shallow water, debris of red algac, foraminifera, fragments of mollusks shells and echinoids (Fig. 2b, c). The ooids were also registered in this microfacies. The cores of the ...
... to 5 cm in size), provide a rudite character of stone and prefix alga! in name. These prevailing allochemical compounds are fossil fragments of red algae (Lithotamnium ramisissimum; family Corallinaceae) (Fig.2e). The algal remains are micrite in composition with a well-developed and promi- ...Maja Franković, Nevenka Novaković, Vesna Matović. "Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation" in Environmental Earth Sciences, Springer Science and Business Media LLC (2015). https://doi.org/10.1007/s12665-014-3843-z
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The different approaches in seismic stratigraphy interpretation
Dejan Radivojević (2018)U tekstu su prikazana dva osnovna pristupa u seizmostratigrafskoj interpretaciji. Prvi kao polaznu osnovu ima seizmičke sekcije, čija se interpretacija u kasnijoj fazi koreliše sa bušotinskim podacima. Drugi u prvoj fazi analizira podatke dobijene dubokim bušenjem koji se kasnije korelišu sa seizmičkim sekcijama. Prikazan je hronološki redosled i objašnjen postupak pri seizmostratigrafskoj interpretaciji oba pristupa. Ovakav način interpretacije omogućio je naftnim kompanijama detaljnije i preciznije sagledavanje geoloških odnosa, smanjenje rizika istraživanja i racionalnije projektovanje razradnih bušotina.seizmostratigrafija, istraživanje nafte i gasa, karakteristične seizmičke sekvence, seiz-mofacijalna analiza... površina (FS-flooding surface), MFS-a, retrogradacione površine (RS-retro- gradational surface), MRS-a, interpretacija disko- rdancija prvog i drugog reda i sistemskih grupa niskog nivoa mora (LST-lowstand system tract-crveni stubić), transgresivne sistemske grupe (TST-transgresive sy- stem tract-zeleni ...
... facija 5. Konstrukcija hronostratigrafskog dijagrama i dijagrama morskog nivoa 6. Geološka istorija 7. Definisanje prospektne zone („play“-a) 8. Izrada karata i profila 9. Detaljnija i ponovljena interpretacija seizmičkih sekcija nakon rezultata bušenja U prvoj fazi potrebno je odabrati ...
... vezane za sistem padine. Kartiranje seizmičkih facija [9] predstavlja interpretaciju depozicionih facija na osnovu seizmičkih refleksija. Ramasayer [8] je predložio rigidnu metodologiju za dvodimenzionalno kartiranje seizmičkih facija po- znatu kao „A, B, C tehnika“. Ova tehnika se zasniva na o ...Dejan Radivojević. "The different approaches in seismic stratigraphy interpretation" in Tehnika – rudarstvo, geologija i metalurgija, Savez inženjera i tehničara Srbije, Beograd (2018). https://doi.org/10.5937/tehnika1802211R
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GNSS Time Series as a Tool for Seismic Activity Analysis Related to Infrastructure Utilities
Sanja Tucikešić, Ankica Milinković, Branko Božić, Ivana Vasiljević, Mladen Slijepčević . "GNSS Time Series as a Tool for Seismic Activity Analysis Related to Infrastructure Utilities" in Contributions to International Conferences on Engineering Surveying. Springer Proceedings in Earth and Environmental Sciences, Dubrovnik, Croatia, October 22-23, 2020, Springer, Cham (2021). https://doi.org/10.1007/978-3-030-51953-7_21
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FTIR spectroscopic study оf S-мetolachlor сorption оn inorganic and organically modified montmorillonite from Bogovina
... (cm') šžg C), &h ı NA d) . HDTMA š A OE ii |} “ LIJPI | Mig ~FML_R “ š |- L šš s i s BOA A H || s|--38 8 P A g s - | „ihi š š - | || +NM a 3i af Š | 5 š [ IB || P || \8 ti o E \, 8 \ i 33 MA š šš ž B NaM EE “0 300 200 100 1500 1000 Wavenumber {cm ) Wavenumber {cm ') š 18p f) PTMA |j ...
... (C=O), pheny1 group and anilidic group respectively (Fig. 2a) (El-Nahhal et al., 2001). After the adsorption, the band assigned to C=O vibrations red-shifted from 1674 cm'! in the spectrum of S-metolachlor to 1638 cm-! in the NaM-SM spectrum, overlapping with the bending vibrations of water molecules ...
... 1999. Movement of metolachlor in soil: effect of new organoclay formulations. Pestic. Sci., 55, 857— 864. DOI: 10.1002/(SICI)1096-9063(199908)55:8<857::AID-PS24>3.0.CO:2-P El-Nahhal, Y., Nir, S., Serban, C., Rabinovitz, O., Rubin, B., 2001. Organoclay formulation of acetochlor for reduced movementin ...Lazar Kaluđerović, Zorica Tomić, Jelena Bogosavljević, Ljubomir Životić, Maja Milošević. "FTIR spectroscopic study оf S-мetolachlor сorption оn inorganic and organically modified montmorillonite from Bogovina" in Book of Proceedings / 3rd International and 15th National Congress Soils for Future Under Global Challenges, 21-24 September 2021 Sokobanja, Serbia , Belgrade : Serbian Society of Soil Science (2021)
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Mineragenija i potencijalnost karbonatnih sirovina rudnog reona Bjelopavlića (Crna Gora)
Darko M. Božović (2016-09-28)Karbonatne sirovine, obzirom na geološku građu Crne Gore predstavljaju jednu od najznačajnijih nemetaličnih mineralnih sirovina. U Crnoj Gori postoje brojna leţišta karbonatnih sirovina (arhitektonsko - građevinskog i tehničko - građevinskog kamena) koja su istraţena ili su u eksploataciji, među kojima rudni reon Bjelopavlića zauzima najznačajnije mjesto.Dosadašnja istraţivanja karbonatnih sirovina na ovom području imala su, međutim, prevashodno uzak istraţivački cilj, utvrđivanje rezervi arhitektonsko - građevinskog i tehničko - građevinskog kamena određenog leţišta, ili preliminarna ispitivanja kvaliteta krečnjaka u njima, sa ...karbonatne mineralne sirovine, arhitektonsko - građevinski kamen, tehničko - građevinski kamen, karbonatna punila, rudni reon Bjelopavlića, potencijalnost.... 2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 <0,2 U 0,4 0,8 0,1 <0,1 0,7 0,8 1,6 1,5 0,9 1,1 1,3 0,9 2,1 2,3 V 11 <8 <8 <8 <8 <8 8 <8 <8 <8 <8 15 15 10 W <0,5 <0,5 <0,5 <0,5 0,6 <0,5 <0,5 <0,5 <0,5 <0,5 <0,5 <0,5 <0,5 <0,5 Zr 0,7 0,2 0,2 0,4 0,5 0,4 0,3 0,4 0,4 0,2 0,7 0,8 0 ...
... 2 9 1 1 8 1 1 2 1 4 ,3 0 1 8 ,3 4 0 ,8 6 p o st. 2 ,6 7 0 2 ,7 0 9 0 ,9 8 6 1 ,4 4 p o st. - - S u k 1 6 5 1 5 7 1 4 4 1 8 ,3 5 2 0 ,4 1 1 ,2 1 p o st. 2 ,5 8 5 2 ,6 7 0 0 ,9 6 8 3 ,1 8 p o st. - - Sađavac 1 3 8 1 2 1 1 ...
... 9 0 4 3 ,9 8 4 3 ,9 5 4 3 ,8 8 4 4 ,0 1 4 3 ,7 7 4 3 ,7 8 4 3 ,8 6 4 4 ,0 3 4 3 ,9 6 4 3 ,9 8 4 3 ,9 7 4 3 ,8 4 4 3 ,9 6 T O T / C 1 2 ,3 7 1 2 ,3 2 1 2 ,2 7 1 2 ,3 5 1 2 ,4 2 1 2 ,4 0 1 2 ,3 25 1 2 ,5 0 1 2 ,2 8 1 2 ,3 3 1 ...Darko M. Božović. "Mineragenija i potencijalnost karbonatnih sirovina rudnog reona Bjelopavlića (Crna Gora)" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-28)
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An arid phase in the Internal Dinarides during the early to middle Miocene: Inferences from Mg-clays in the Pranjani Basin (Serbia)
N. Andrić-Tomašević, V. Simić, O. Mandic, D. Životić, M. Suárez, E. García-Romero. "An arid phase in the Internal Dinarides during the early to middle Miocene: Inferences from Mg-clays in the Pranjani Basin (Serbia)" in Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier BV (2020). https://doi.org/10.1016/j.palaeo.2020.110145
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Pre-failure deformation monitoring as rockfall prediction tool
... Publishing doi:10.1088/1755-1315/833/1/012197 7 Figure 5. Cross-section for various monitoring epochs in reference to the 2019 cloud (red line). The event itself is a minor detachment if approximately 0.1 m3 and largest X-axis displacement of about 40 cm. It contributes little to ...
... scanned data, but always similar (roughly located) three positions should be used. For reliable registration process of the three adjacent scans, 5-8 equally distributed black/white (B/W) targets should be placed across the slope and surrounding area. • Scanning parameters should be set to 6.3 mm/10m ...
... Engineering, from Theory to Practice IOP Conf. Series: Earth and Environmental Science 833 (2021) 012197 IOP Publishing doi:10.1088/1755-1315/833/1/012197 8 there is also slope talus material that has been mobilized locally with blocks. It is also safe to conclude that pre-failure deformations ...Miloš Marjanović, Biljana Abolmasov, Zoran Berisavljević, Marko Pejić, Petko Vranić. "Pre-failure deformation monitoring as rockfall prediction tool" in IOP Conference Series: Earth and Environmental Science, IOP Publishing (2021). https://doi.org/10.1088/1755-1315/833/1/012197
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Грешка инклинације код депозиционе реманетне магнетизације
Mirko Petković, Vesna Cvetkov (2019)... 𝐌𝑖 - komponente indukovane magnetizacije i 𝐇𝑗 - komponenta primjenjenog polja duž određene ose uzorka. Koeficijenti 𝜒𝑖𝑗 su elementi drugog reda, simetrični tenzori, odnosno tenzor anizotropije magnetske susceptibilnosti (Anisotropy of Magnetic Susceptibility - AMS). II KONGRES ...
... 𝑘𝑑min𝐻𝑧. (7) Odavde, inklinacija DRM je povezana sa poljem na sledeći način: 𝑓 = tan 𝐼0tan 𝐼𝑓 = 𝐷𝑅𝑀𝑧𝐷𝑅𝑀𝑥𝐻𝑧𝐻𝑥 = 𝑘𝑑min𝑘𝑑max. (8) Kako bi se kvantifikovala veza između anizotropije remanentne magnetizacije i greške inklinacije nastale kao postdepozicioni proces, potrebno je ...
... normalizovanih tenzora ARM na sledeći način: 𝑘𝑥 = 𝑞𝑥(𝑎+2)−1𝑎−1 , 𝑘𝑦 = 𝑞𝑦(𝑎+2)−1𝑎−1 , 𝑘𝑧 = 𝑞𝑧(𝑎+2)−1𝑎−1 . (11) Zamjenom (11) u (8) dobija se: 𝑓 = 𝑞𝑧(𝑎+2)−1𝑞𝑥(𝑎+2)−1. (12) II KONGRES GEOLOGA BOSNE I HERCEGOVINE SA MEĐUNARODNIM UČEŠĆEM II КОНГРЕС ГЕОЛОГА ...Mirko Petković, Vesna Cvetkov. "Грешка инклинације код депозиционе реманетне магнетизације" in II Когрес геолога Босне и Херцеговине са међународним учешћем , Удружење геолога у Босни и Херцеговини (2019)
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The analysis of the geothermal energy capacity for power generation in Serbia
Jana Stojković, Goran Marinković, Petar Papić, Mihailo Milivojević, Maja Todorović, Marina Ćuk (2013)... cycle plants The amount of geothermal energy in the Earth's interior will remain billion of years there, until the sun transforms into a gigantic red star. Unfortunately, this energy is not readily available. The source of geothermal energy is radioactive decay that evolves within the planet some ...
... (SiO2 � � � � 1112 491 27315 [ . log )] . (2) Finally, for the expected temperatures below 100°C, formula for the amorphous silica geothermometer [8] is: t [ C] (SiO2 � � � � 731 452 27315 [ . log )] . (3) Stojkovi}, J. S., et al.: The Analysis of the Geothermal Energy Capacity for ... 970 THERMAL ...
... [1]: t[°C] ~27315 (1) 1112 7 [4.91 —log(SiO, )] Finally, for the expected temperatures below 100°C, formula for the amorphous silica geothermometer [8] is: t[°C]= 27315 (2) 731 t[°C]= : [452 — log(SiO, )] ~27315 (3) The Giggenbach [9] Na-K geothermometer has formula: t [ C] Na K � � � � ...Jana Stojković, Goran Marinković, Petar Papić, Mihailo Milivojević, Maja Todorović, Marina Ćuk. "The analysis of the geothermal energy capacity for power generation in Serbia" in Thermal Science, National Library of Serbia (2013). https://doi.org/10.2298/TSCI120215033S
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Permanent GNSS monitoring of landslide Umka
Mileva Samardžić Petrović, Jovan Popović, Uroš Đurić, Biljana Abolmasov, Marko Pejić, Miloš Marjanović (2020)Клизиште Умка је једно од највећих насељених активних клизишта у Србији. Активност клизишта Умка се прати већ више од 85 година, различитим геотехничким и геодетским техникама. Од 2010. године, активност kлизишта се континуирано прати у реалном времену аутоматизованим перманентним системом за праћење базираним на Глобалним навигационим сателитским системима (ГНСС). Поред тога, од 2018. године активност клизишта се додатно прати кинематичким ГНСС одређивањем положаја скупа карактеристичних тачака као и применом UAV фотограметрије. Главни циљ овог рада је приказ резултата опажања три ...... Serbia in 2011” (2011) Internet: https://www.stat.gov.rs/en- us/oblasti/popis/, (Jan. 10, 2020) [12] PE Roads of Serbia “Mreža državnih puteva IA reda Republike Srbije, prosečan godišnji dnevni saobraćaj - PGDSU 2018. godini (Preliminarni rezultati)” (2018) Internet: https://www.putevi-srbije.r ...
... Proceedings of the 11th International and 2nd American Symposium on Landslides and Engineered Slopes, Banff, Canada 1(2), 2012, pp.1381-1385 [8] B. Abolmasov, M. Marjanović, S. Milenković, U. Đurić, B. Jelisavac and M. Pejić, “Study of slow moving landslide Umka near Belgrade, Serbia (IPL‐181)” ...Mileva Samardžić Petrović, Jovan Popović, Uroš Đurić, Biljana Abolmasov, Marko Pejić, Miloš Marjanović. "Permanent GNSS monitoring of landslide Umka" in International Conference on Contemporary Theory and Practice in Construction XIV Stepgrad, University of Banja Luka, Faculty of Architecture, Civil Engineering and Geodesy (2020). https://doi.org/10.7251/STP2014091S
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Quantitative landslide risk assessment in the city of Tuzla
In the climate-changing conditions, geological environment interacts more dramatically with the urban fabric than before. The urbanization is expansive and more aggressive than before, but so are the weather extremes and long-term climate trends. In effect, many processes which can be triggered by either side, nature or engineering, are becoming more pervasive than before, and such is the case with landslides. Dealing and managing landslides requires few crucial steps, starting from collecting data on landslide location and typology – ...... as they are flat and landslide free areas. On the other hand, a good overlap of populated areas and landslide prone areas is achieved (overlap of red and purple polygons in Fig. 9). Figure 9. Detail of the Landslide risk map overlapped with the landslide inventory. Presented practical example ...
... y model of the area. Figure 6. Annual rainfall distribution map of the area. Figure 7. Exposure vulnerability map of the area. Figure 8. Landslide risk map of the area. After obtaining the susceptibility classes distribution it was further possible to calculate weighted distance ...
... class. Resulting exposure vulnerability map (Fig. 7) was superimposed to the inventory of elements at risk, to obtain the final relative risk (Fig. 8). Only the housing sector land use types entered the inventory of elements at risk, since only these had precise population estimates per block. The ...Miloš Marjanović, Biljana Abolmasov, Cvjetko Sandić, Miralem Mulać, Petar Begović. "Quantitative landslide risk assessment in the city of Tuzla" in SCG-Xiii International Symposium on Landslides. Cartagena, Colombia- February 22-26, 2021, International Society for Soil Mechanics and Geotechnical Engineering (2021)
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Groundwater gravitational circulation of Karst Veliko Vrelo and Malo Vrelo springs by isotope and the noble gas method: case study of the Beljanica Massif
Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental ChemistryLjiljana Vasić, Laszlo Palcsu, Huang Fen. "Groundwater gravitational circulation of Karst Veliko Vrelo and Malo Vrelo springs by isotope and the noble gas method: case study of the Beljanica Massif" in Environmental Earth Sciences, Springer Science and Business Media LLC (2019). https://doi.org/10.1007/s12665-019-8294-0
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Geodynamics of basins above subducted slabs: An integrated modelling study of tectonics, sedimentation, and magmatism in the Timok Magmatic Complex
Uros Stojadinovic, Marinko Toljic, Branislav Trivic, Radoje Pantovic, Danica Sreckovic-Batocanin, Nemanja Krstekanic, Bojan Kostic, Milos Velojic, Jelena Stefanovic, Nikola Randjelovic, Maja Males (2024)Uros Stojadinovic, Marinko Toljic, Branislav Trivic, Radoje Pantovic, Danica Sreckovic-Batocanin, Nemanja Krstekanic, Bojan Kostic, Milos Velojic, Jelena Stefanovic, Nikola Randjelovic, Maja Males. "Geodynamics of basins above subducted slabs: An integrated modelling study of tectonics, sedimentation, and magmatism in the Timok Magmatic Complex" in Annales geologiques de la Peninsule balkanique, National Library of Serbia (2024). https://doi.org/10.2298/GABP240116003S
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Оптимизација управљања процесима рекултивације површинских копова угља
Bojan S. Dimitrijević (2014-05-30)Ширење површинске експлоатације минералних сировина а нарочито енергетских ресурсафосилних горива, чине површинске копове угља просторно доминантним објектима великих рударскихбасена како у нас тако и у свету. Експлоатациона активност, прати негативне еколошке утицаје наживотну средину шире околине, што нас обавезује на интегрално планирање, ревитализацију,рекултивацију и уређење нарушеног простора за његово поновно хумано коришћење упостексплоатационом периоду. Постексплоатационо санирање и уређење предела површинских коповаи одлагалишта односно нарушеног простора изазваног рударским радовима и пратећих објеката,представља синтетички мултидисциплинарно-интердисциплинаран веома комплексан вишефазниинжењерски пројектни задатак.У уводном ...рекултивација, постексплоатациони предео, површински коп угља,вишеатрибутна анализа, одлучивање, процеси, рекултивационо решење... min max max ред. број Преференција 0.7 0.6 0.6 0.8 0.5 0.9 0.3 0.3 0.6 0.1 0.85 1. А1 - Шумарство 10 7 14 2 9 6 4 4 8 90 8.5 2. А2 - Пољопривреда (ратарство и повртарство) 15 4 8.5 4 9 8.5 6 6 8 75 10 3. А3 – Пољопривреда (воћа- рство и виноградарство) 17 5 12 5.5 9 8.5 7 5 8 85 10 4. ...
... варијанти датих у редовима. Табела 6.9. - Квантификована иницијална матрица одлучивања (O): (КОРАК 1) за површински коп Тамнава Западно Поље К р и т е р и ј у м и Алтернативе K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 K12 a1 1.5 9 2 2 9 6 4 4 8 80 8.5 6.5 a2 11 1.5 8.5 6 9 8.5 6 6 8 75 8.75 4 a3 ...
... s = 9 x = 8 - 12 = -4 1 s = 10 x = 8 - 1.5 = 6.5 0 a2, as x = k9(a2) - k9(as) P9(a2, as) s = 1 x = 8 - 8 = 0 0 s = 3 x = 8 - 8 = 0 0 s = 4 x = 8 - 8 = 0 0 s = 5 x = 8 - 8 = 0 0 s = 6 x = 8 - 15 = -7 1 s = 7 x = 8 - 15 = -7 1 s = 8 x = 8 - 12 = -4 1 s = 9 x = 8 - 12 = -4 1 s = ...Bojan S. Dimitrijević. "Оптимизација управљања процесима рекултивације површинских копова угља" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2014-05-30)
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An Approach to Efficient Processing of Multi-Word Units
Efficient processing of Multi-Word Units in the course of development of morphological MWU dictionaries is not easy to achieve, especially when languages with complex morphological structures are concerned, such as Serbian. Manual development of this type of dictionaries is a tedious and extremely slow process. To alleviate this problem we turned to our multipurpose software tool, dubbed LeXimir, in the production of lemmas for e-dictionaries of multi-word units. In addition to that, we developed a procedure aimed at making ...... inflects in number, the second component does not inflect. Examples are profesor matematike/profesori matematike ‘professor(s) of mathematics’ and red vožnje/redovi vožnje ‘travel schedule(s)’; • Both components have to be in the plural form, e.g. teme ugla/temena uglova ‘angle vertex/angle vertices’; ...
... table. In the next step columns ‘Lemma’, ‘FST’ (PoS and in- flectional codes of constituents), and ‘GramCat’ (grammatical codes of constituents) 8 Cvetana Krstev, Ivan Obradović, Ranka Stanković, and Duško Vitas Fig. 3 The DELAC entry management form of Leximir have to be filled. The system ...
... the user has only to check the correct solutions upon which a list of DELAC entries is produced. Figure 4 depicts the resulting table for a list of 8 MWUs. The third option of- fered by the strategy for the first MWU, Avogadrov broj ‘Avogadro’s number’ is the correct solution. It was produced by a ...Cvetana Krstev, Ivan Obradović, Ranka Stanković, Duško Vitas. "An Approach to Efficient Processing of Multi-Word Units" in Computational Linguistics - Applications, Studies in Computational Intelligence 458 no. 458, Berlin Heidelberg : Springer-Verlag (2013): 109-129. https://doi.org/10.1007/978-3-642-34399-5_6
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Differently shaped nanocrystalline (Fe, Y)3O4 and its adsorption efficiency toward inorganic arsenic species
Biljana P Dojčinović, Boštjan Jančar, Lotfi Bessais, Aleksandar Kremenović, Nataša P Jović-Jovičić, Predrag T Banković, Dalibor M Stanković, Miloš Ognjanović, Bratislav V Antić (2019)Herein we report effects of partial substitution of Fe3+ by Y3+ in magnetite (Fe3O4) on morphology and inorganic arsenic species adsorption efficiency of the Fe3−xYxO4 nanoparticles formed. The series of Fe3−xYxO4 (x=0.00, 0.042 and 0.084, labeled as Y00, Y05 and Y10, respectively) was synthesized using co-precipitation followed by microwave-hydrothermal treatment (MW) at 200°C. With increase of yttrium content(xvalue), both the morphological inhomogeneity of the samples and the fraction of spinel nanorods as compared to spinel pseudospherical particles increased. By ...Biljana P Dojčinović, Boštjan Jančar, Lotfi Bessais, Aleksandar Kremenović, Nataša P Jović-Jovičić, Predrag T Banković, Dalibor M Stanković, Miloš Ognjanović, Bratislav V Antić. "Differently shaped nanocrystalline (Fe, Y)3O4 and its adsorption efficiency toward inorganic arsenic species" in Nanotechnology, IOP Publishing (2019). https://doi.org/10.1088/1361-6528/ab3ca2
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Structural dissymmetrization of optically anisotropic Grs64±1Adr36±1Sps2 grandite from Meka Presedla (Kopaonik Mt., Serbia)
In this paper, grandite core with Grs64±1Adr36±1Sps2composition was crystallographically studied. This core represents zone A of the macroscopically visiblefive A–E zones of the optically anisotropic Grs58–64 Adr36–42Sps2 grandite. The applied procedure includes the detailed analysis of the powder diffraction patterns, and the Rietveld refinements of the crystal structures in a series of 18 space groups and two mixtures, which were followed by the comparative analysis of the R-values, site occupancy factors, and the bond lengths and angles. Synthesis of all ...Pavle Tančić, Aleksandar Kremenović, Predrag Vulić. "Structural dissymmetrization of optically anisotropic Grs64±1Adr36±1Sps2 grandite from Meka Presedla (Kopaonik Mt., Serbia)" in Powder Diffraction, Cambridge University Press (CUP) (2019). https://doi.org/10.1017/S0885715619000897
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The subthermal potential of karstic groundwater of Kučaj–Beljanica region in Serbia estimated by the multivariate analysis
Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary ChangeLjiljana Vasić, Dragana Ž. Živojinovic, Vladana Rajaković-Ognjanović, Huang Fen, Cao Jianhua. "The subthermal potential of karstic groundwater of Kučaj–Beljanica region in Serbia estimated by the multivariate analysis" in Environmental Earth Sciences, Springer Science and Business Media LLC (2021). https://doi.org/10.1007/s12665-021-09392-1
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Proračun recirkulacionih pumpi u postrojenju za odsumporavanje dimnih gasova ,,TENT B"
Tomislav Trpković (2024)Predmet ovog rada baziraće se na proračunu i usvajanju mašinskih instalacija potrebnih za nesmetano funkcionisanje sistema dve međusobno povezane celine Absorber - Pumpna stanica, preko FRP ( Fiberglass Reinforced Plastic) cevovoda kojim se odvija transport suspenzije krečnjaka neophodnog u samom procesu odsumporavanja dimnih gasova. Pored tehničkog opisa same tehnologije koja uključuje tri objekta: Absorber, Pumpna Stanica i cevovod, glavni deo rada odnosiće se na proračun i usvajanje mašinskih instalacija koji uključuju recirkulacione radijalne centrifugalne pumpe i cevovode kojima ...postrojenje za odsumporavanje dimnih gasova, termoelektrana, pumpna stanica, FRP cevovod, Absorber, transport suspenzije gipsa, prirubnica, ventil, potisni cevovod, usisni cevovod... vodena suspenzija, pomoću pumpi ubacuje u apsorber i šalje do brizgaljki (mlaznica) koje su raspoređene u nekoliko redova ı nekoliko nivoa. Koliko će u 18 apsorberu biti redova i nivoa brizgaljki zavisi od veličine apsorbera, odnosno od količine dimnih gasova ı sadržaja sumpora u uglju. Naj ...
... 1,093 Dužina cevovoda, L m 15.0 55.0 12.0 55.0 12.0 55.0 12.0 55.0 |Koeficijent otpora za svaku deonicu l ~ d ~ „š) _š|8 9 _28%,9 _š|Ro _3 .O š |s.9) 4 |%,9) š 8%,9 _š |s 9 --| --Pi-B13 SĐEJZE ĐEJD E E j E j .E ih E j 'E j |Vrsta komada GJ s 3(5 S(| a 205 SC| „ 305 8s| s 2609 5 500 „ 30 ...
... povećanja efikasnosti, programi revitalizacije obuhvataju i mere zaštite životne sredine u skladu s aktuelnom regulativom u Srbiji i EU. Ovo je u prvom redu obuhvatilo rekonstrukciju elektrofilterskih postrojenja, koja je realizovana na oba bloka, čime se osigurava da koncentracije praškastih materija ...Tomislav Trpković. Proračun recirkulacionih pumpi u postrojenju za odsumporavanje dimnih gasova ,,TENT B", 2024