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Упит dcterms_subject_txt:mineral resources and reserves

2384 items

  • Multipurpose Use of Thermomineral Water Based on the Example of Rajcinovica Banja Spa (Western Serbia, Europe)

    Milenić Dejan, Savić Nevena, Doroslovac Nenad, Jovanović Marina (2014)

  • Condition of the agricultural land use in the Danube riverside area with the aspect of their protection from high groundwater levels

    Pajić Predrag, Čalenić Aleksandar, Polomčić Dušan, Bajić Dragoljub (2018)

  • The choice of high gradient magnetic separation processes for removal of Fe2O3 carriers from quartz raw material

    Sekulić Živko, Bartulović Zoran, Mihajlović Slavica, Ignjatović Miroslav, Savić Ljubinko, Jovanović Vladimir, Nišić Dragana (2017)

  • Optimizacija i planiranje površinskih kopova stohastičkim modelima

    Dejan R. Stevanović (2015-05-29)
    Savremeno rudarstvo izloženo je stalnom trendu pogoršanja uslova poslovanja.Mogućnost ostvarenja ekonomskih i drugih ciljeva rudarskog projektakompromitovana je stalnim pogoršanjem kvaliteta ležišta na kojima se vršieksploatacija, kao i značajnoj dozi neizvesnosti povezane sa geološkim,ekonomskim i tehničkim parametrima proizvodnje. U ovako kompleksnimuslovima poslovanja, matematički modeli sposobni da odgovore značajnimizazovima, odnosno ponude optimalna rešenja kojima se garantuje maksimalnoispunjenje projektovanih ciljeva, nameću se kao neophodnost.Trenutni, konvencionalni pristup optimizaciji i planiranju površinskih kopovazasniva se na algoritmima, razvijenim sredinom prošlog veka čije je opšteobeležje deterministički ...
    površinski kop, planiranje, optimizacija, stohastički modeli, kontrola kvaliteta uglja, neizvesnost.
    ... 1997. The relation between economic design objectives and reserve estimates. Proceedings of the resources to reserves inputs seminar, AusIMM, Melbourne. Whittle, J, 1990, Open pit optimization, Surface Mining, Society for Mining, Metallurgy, and Exploration, Littleton, Co, 2nd Edition (str. 470-475) ...
    ... str. 31–40.. 241 Rozman, L.I.,1998, Measuring and managing the risk in resource and reserves. Ore Reserves and Finance Seminar. AusIMM, Sydney Sabour S. A. and Dimitrakopoulos R., 2011, Incorporating geological and market uncertainties and operational flexibility into open pit mine design, Journal ...
    ... coal quality control, uncertainty. Scientific field: Mining Engineering Special scientific field: Exploration of hard mineral resources and rock mechanics UDC: 502/504:004 519.245/.856:519.863/.87:553.9 614.8:622/.271/.333.013:624/.121/.13 669(043.3) i ...

  • Optimizacija i planiranje površinskih kopova stohastičkim modelima

    Dejan R. Stevanović (2015-05-29)
    Savremeno rudarstvo izloženo je stalnom trendu pogoršanja uslova poslovanja.Mogućnost ostvarenja ekonomskih i drugih ciljeva rudarskog projektakompromitovana je stalnim pogoršanjem kvaliteta ležišta na kojima se vršieksploatacija, kao i značajnoj dozi neizvesnosti povezane sa geološkim,ekonomskim i tehničkim parametrima proizvodnje. U ovako kompleksnimuslovima poslovanja, matematički modeli sposobni da odgovore značajnimizazovima, odnosno ponude optimalna rešenja kojima se garantuje maksimalnoispunjenje projektovanih ciljeva, nameću se kao neophodnost.Trenutni, konvencionalni pristup optimizaciji i planiranju površinskih kopovazasniva se na algoritmima, razvijenim sredinom prošlog veka čije je opšteobeležje deterministički ...
    površinski kop, planiranje, optimizacija, stohastički modeli, kontrola kvaliteta uglja, neizvesnost.
    ... 1997. The relation between economic design objectives and reserve estimates. Proceedings of the resources to reserves inputs seminar, AusIMM, Melbourne. Whittle, J, 1990, Open pit optimization, Surface Mining, Society for Mining, Metallurgy, and Exploration, Littleton, Co, 2nd Edition (str. 470-475) ...
    ... str. 31–40.. 241 Rozman, L.I.,1998, Measuring and managing the risk in resource and reserves. Ore Reserves and Finance Seminar. AusIMM, Sydney Sabour S. A. and Dimitrakopoulos R., 2011, Incorporating geological and market uncertainties and operational flexibility into open pit mine design, Journal ...
    ... coal quality control, uncertainty. Scientific field: Mining Engineering Special scientific field: Exploration of hard mineral resources and rock mechanics UDC: 502/504:004 519.245/.856:519.863/.87:553.9 614.8:622/.271/.333.013:624/.121/.13 669(043.3) i ...

  • Evaluating Bank Filtration as an Alternative to the Current Water Supply from Deeper Aquifer: A Case Study from the Pannonian Basin, Serbia

    Stauder Stefan, Stevanović Zoran, Richter Christian, Milanović Saša, Tucović Andra, Petrović Branislav  (2012)

  • Asbestos-Based Pottery from Corsica: The First Fiber-Reinforced Ceramic Matrix Composite

    Philippe Colomban, Aleksandar Kremenović (2020)
    Asbestos-containing pottery shards collected in the northeast of Corsica (Cap Corse) and dating from the 19th century, or earlier, have been analyzed by SEM-EDS, XRPD, FTIR and Raman microspectroscopy. Blue (crocidolite) and white (chrysotile) asbestos fiber bundles are observed in cross-sections. Most of the asbestos is partly or totally dehydroxylated, and some transformation to forsterite is observed to occur, indicative of a firing above 800 C. Examination of freshly fractured pieces shows a nonbrittle fracture with fiber pull-out, consistent with ...
    asbestos, CMC, Corsica, fiber, pottery
    ... found in samples a, b and d, while albite is found only in samples a and b. Crocidolite is found in samples b and d, while tremolite is found in samples b and c. Diopside and orthopyroxene are found in samples b and c, while talc is found in samples c and d. Minor abundant mineral phases noticed in ...
    ... h in complex XRPD patterns like this one); and sample d is primarily composed of actinolite and/or crocidolite (actinolite and crocidolite are hard to distinguish in complex XRPD patterns like this one), antigorite and chlorite-serpentine. Other mineral phases noticed on the XRPD patterns of samples ...
    ... at 140 and 295 K: Crystal chemistry and petrologic implications. Am. Mineral. 1996, 81, 1117–1125. [CrossRef] Gatta, D.G.; Merlini, M.; Valdrč, G.; Liermann, H.-P.; Nenert, G.; Rothkirch, A.; Kahlenberg, V.; Pavese, A. On the crystal structure and compressional behavior of talc: A mineral of interest ...

  • Determination of the groundwater-leakage mechanism (binary mixing) in a karstic dam site using thermometry and isotope approach (HPP Visegrad, Bosnia, and Herzegovina)

    Ljiljana Vasić, Saša Milanović, Anita Puskás-Preszner, Laszlo Palcsu (2020)
    Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • Application of stochastic models for mine planning and coal quality control

    Dejan Stevanović, Božo Kolonja, Ranka Stanković, Dinko Knežević, Mirjana Banković (2014)
    ... short range plan defines resources and labor requirements, future production and cost. More distinct infor- mation about the nature of mineralization and equipment performance is required in short range than medium range planning. Operational planning is concerned with daily or weekly requirements of ...
    ... Energy Agency [1] forecast for the next decades, coal will retain its important role in power generation in Europe and worldwide. The availability of the worldwide coal resources and their price stability are the main reasons for this trend. Coal is the most important fuel in the generation of electricity ...
    ... decisions about coal homogenization must deal with uncertainty and variability in coal properties, and with the effect of off-design coal characteristics on power plant performance and cost. According to Shih and Frey [3] sulfur and ash content and heating value are considered as normally distributed random ...

  • Uticaj proširenja nuklearne elektrane “Pakš” (Mađarska) na resurse podzemnih voda u Vojvodini

    Bojan Hajdin, Dušan Polomčić (2016)
    ... with the impact of the future nuclear complex's functioning on groundwater resources in Vojvodina, based on experience in the area of groundwater reserve formation in the region of the Pannonian Basin, its utilization and protection. Furthermore, an impact assessment has been given, relative to the ...
    ... water supply system of the northern and north-western Bačka region, according to which the construction of a groundwater regional source in the Danube alluvion near the city of Apatin is planned, an area which was subjected to detailed hydrogeological explorations and hydrodynamic investigation in recent ...
    ... RUDARSTVO, GEOLOGIJA I METALURGIJA 67 (2016) 4 SUMMARY THE IMPACT OF THE ENLARGEMENT OF THE NUCLEAR POWER PLANT „PAKS“ (HUNGARY) ON GROUNDWATER RESOURCES IN VOJVODINA The current decision of the neighbouring Republic of Hungary to enlarge the capacities of the existing nuclear power plant „Paks“, ...

  • Simple 2D gravity–density inversion for the modeling of the basin basement: example from the Banat area, Serbia

    Ivana Vasiljević, Snežana Ignjatović, Dragana Đurić (2019)
    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 ...
    funkcije raspodele gustine, lateralna raspodela gustine, karta gustine podloge

  • Hidrogeohemija prirodnih radioaktivnih elemenata u podzemnim vodama Srbije

    Marina D. Ćuk (2018-02-23)
    Osnovni cilj doktorske disertacije predstavljao je definisanje prirodnih koncentracija (engl. background values) U, Th, i K u podzemnim vodama, i definisanje hidrogeohemijskih uslova koji utiču na distribuciju navedenih elemenata u podzemnim vodama...
    prirodni radioaktivni elementi, podzemna voda, geohemijske sredine, hidrogeohemijski uslovi, neparametarska statistička analiza, logistički model, hidrohemijsko modeliranje
    ... Conditions and possibilities of direct utilisation of thermal-mineral waters in Raska region, Serbia. J RSER 32: 107 – 113. 78. Karamata S, Krstić B. 1996. Terranes of Serbia and neighboring areas. In: Knežević V, Ðorđević P, Krstić B (eds.). Terranes of Serbia. University of Belgrade and Serbian ...
    ... 2015. Uranium and thorium behavior in groundwater of the natural spa area Choygan mineral water (East Tuva). IOP Conference Series. Earth and Environmental Science 27: 1 – 6. 84. Koroneos A, Poli G, Cvetković V, Christofides D, Krstić D, Pécskay Z. 2010. Petrogenetic and tectonic inferences ...
    ... 156. Todorović M, Štrbački J, Ćuk M, Andrijašević J, Šišović J, Papić P. 2015. Mineral and Thermal Waters of Serbia: Multivariate Statistical Approach to Hydrochemical Characterization. In: Papić P. (ed.). Mineral and Thermal Waters of Southeastern Europe. Springer International Publishing Switzerland ...

  • FTIR spectroscopic study оf S-мetolachlor сorption оn inorganic and organically modified montmorillonite from Bogovina

    Lazar Kaluđerović, Zorica Tomić, Jelena Bogosavljević, Ljubomir Životić, Maja Milošević (2021)
    ... stretching Si-O vibrations of the tetrahedral sheet. Absorption bands, which originate from Al-Al-OH and Al-Fe-OH bending vibrations, are located around 916 and 871 cm-!, and they are typical for mineral montmorillonite (Madejova, 2003; Tomić et al, 2012). š las —|\ }yi |M\ ı ! HDTMA [| |j V \| šž\js ...
    ... presence in soil, groundwater and surface water. Numerous methods have been developed in order to reduce herbicide mobility and protect natural water resources. The results presented in this paper show the interaction of herbicide S- metolachlor with inorganic and organically modified montmorillonite ...
    ... will also reduce their migration to groundwater. Certain experiments involved creating a stronger interaction between the mineral surface and the herbicide by making organo-mineral complexes. Montmorillonites previously modified with aromatic or aliphatic organic cations showed better sorption of certain ...

  • Regional Slope Stability Analysis in Landslide Hazard Assessment Context, North Macedonia Example

    Miloš Marjanović, Biljana Abolmasov, Igor Peshevski, James Reeves, Irena Georgievska (2020)

  • The influence of alkyl polyglucosides (and highly ethoxylated alcohol boosters) on the phase behavior of a water/toluene/technical alkyl polyethoxylate microemulsion system

    Marija Ilic, Franz-Hubert Haegel, Vesna Pavelkic, Dragan Zlatanovic, Snezana Nikolic-Mandic, Aleksandar Lolic, Zoran Nedic (2016)
    The influence of additives (alkyl polyglucoside, Glucopon 600 CS UP and alcohol ethoxylate C18E100) on the behavior of the water/toluene/Lutensol ON 50 (technical oxoalcohol, i-C10E5) microemulsion system as a function of temperature and composition has been investigated. The phase behavior of the microemulsions was determined by vertical sections through the Gibbs phase prism (fish-like phase diagrams). Alkyl polyglucoside shifts the one phase region to lower temperatures compared with water/toluene/Lutensol ON 50 mixtures. This is contrary to the expectation, considering ...
    микроемулзија, толуен, алкил полиглукозид, оксоалкохол етоксилат, појачивач ефикасности, „fish“ дијаграми
    ... inter- est as nonionic surfactants because of their excellent biodegradability, ease of manufacture from renewable resources, such as sugar and vegetable oil feed- stocks [13], and potential use in a large number of industrial applications [14-19]. One potential use of sugar surfactants is in ...
    ... RESULTS AND DISCUSSION The pseudo-binary phase diagrams of micro- emulsion systems were determined at equal mass fractions of water and toluene (a= 0.5) for two non- ionic surfactants, pure linear CxjEs and technical branched i-Cxo5Es (Lutensol ON 50) in order to find the composition and temperature ...
    ... exists consisting of a middle-phase microemulsion in equilibrium with excess phases of oil and water, surrounded by two-phase regions illustrated as 20 and 20 . When a surfactant is mainly dissolved in water and two phases consist of a surfactant-rich water (lower) phase in equilibrium with an excess ...

  • Fuzzy optimization in hydrodynamic analysis of groundwater control systems: Case study of the pumping station “Bezdan 1”, Serbia

    Dragoljub Bajić, Dušan Polomčić (2014)
    A groundwater control system was designed to lower the water table and allow the pumping sta-tion “Bezdan 1” to be built. Based on a hydrodynamic analysis that suggested three alternative solutions, mul-ticriteria optimization was applied to select the best alternative. The fuzzy analytic hierarchy process methodwas used, based on triangular fuzzy numbers. An assessment of the various factors that influenced the selec-tion of the best alternative, as well as fuzzy optimization calculations, yielded the “weights” of the alternativesand the ...
    groundwater lowering, groundwater management scenario, fuzzy analytic hierarchy process,expert knowledge, triangular fuzzy numbers, linguistic variables
    ... Journal of Approximate Reasoning, 21: 215–231. GRAHAM, I. 1991. Uncertainty and expert systems. Univer- sity of Bristol, Bristol, 363 pp. KARNIB, A. (2004) An approach to elaborate priority preor- ders of water resources projects based on multicriteria Fuzzy optimization in hydrodynamic analysis ...
    ... ia optimization methods and decision-mak- ing approaches, to compare several different methods and present the results in parallel. The FAHP analysis used in the present study can be recommended for other fields of science and technology, where opti- mization is required and the best-possible decision ...
    ... Ministry of Education, Science and Technological Development of the Republic of Serbia for financing projects OI-176022, TR-33039 and III-43004. Two reviews, by ALEKSEY BENDEREV (Sofia, Bulgaria) and anonymous reviewer, are also acknowl- edged for their contribution and effort in providing con- structive ...

  • Развој хибридног модела за оптиматизацију завршне контуре одлагалишта у површинској експлоатацији лежишта минералних сировина

    Aлександар Додеровић (2024)
    Површинска експлоатација минералних сировина захтијева претходно откопавање значајних( милионских) количина јаловине, које је неопходно транспортовати до локације на којој ће сеона трајно одложити. Традиционални приступ избора локације и дизајна одлагалишта се карактерише парцијалним приступом, заснованом на анализи неколико водећих критеријума као и на личном искуству инжењера, често занемарујући синергетски ефекат осталих утицајних фактора Технолошке операције које се односе на манипулацију јаловином, међу којима предњачи транспорт, генеришу највећи дио трошкова у површинској експлоатацији. Такође, цјелокупан процес експлоатације додатно је ограничен ...
    оптимизације завршне контуре одлагалишта, хибридни модел, површинска експлоатација, генетски алгоритам

  • Review: Methodological approaches and research techniques for addressing construction and remediation problems in karst reservoirs

    Saša Milanović, Ljiljana Vasić (2021)
    Earth and Planetary Sciences (miscellaneous), Water Science and Technology

  • Енергетска безбедност Европске уније у светлу актуелне енергетске транзиције

    Бобан Павловић, Дејан Ивезић (2021)
    Енергетска стратегија Европске уније, која од 2015. године обухвата и циљеве у области климатских промена, тежи изградњи „енергетске уније” која потрошачима из ЕУ даје сигурну, приступачну, чисту и одрживу енергију. Енергетска политика ЕУ поставља пред себе амбициозне циљеве у погледу коришћења обновљивих извора – учешће од 32% до 2030. године. Овако опсежну и динамичну енергетску транзицију у Европи усложњава хетерогеност националних енергетских система у погледу структуре енергетског микса, нивоа увозне зависности, као и нивоа технолошког, друштвеног и економског ...
    енергетска безбедност, Европска унија, енергетски показатељи, природни гас, обновљиви извори енергије
    ... 17. Sovacool, B. K., Brown, M. A., “Competing Dimensions of Energy Security: An International Perspective”, Annual Review of Environment and Resources, 35, 2010, pp. 77–108. 18. Baumann, F., Energy Security as multidimensional concept, Research Group on European Affairs, 2008, http://www ...
    ... electricity sector: trends and projections: Analysis in the framework of the EU 2030 climate and energy strategy, JRC, 2017, https://ec.europa.eu/jrc/en/publication/eur-scientific-and-technical- research-reports/renewable-technologies-eu-electricity-sector-trends- and-projections-analysis-framework-eu ...
    ... European Parliament and of the Council of 5 June 2019 on risk-preparedness in the electricity sector, EU 2019/941, 2019, https://eur-lex.europa.eu/legal- content/EN/TXT/?uri=uriserv:OJ.L_.2019.158.01.0001.01.ENG. 12. EU, European Union, Regulation of the European Parliament and of the Council of ...

  • Fuzzy Model for Risk Assessment of Machinery Failures

    Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković (2020)
    The main goal of this research was the development of an algorithm for the implementation of negative risk parameters in a synthesis model for a risk level assessment for a specific machine used in the mining industry. Fuzzy sets and fuzzy logic theory, in combination with statistical methods, were applied to analyze the time picture state of the observed machine. Fuzzy logic is presented through fuzzy proposition and a fuzzy composition module. Using these tools, the symmetric position of the ...
    fazi teorija, rizik, otkaz rudarskih mašina
    ... exploitation of mineral resources and mineral processing). The condition of the machines is examined through an analysis of existing data on the operation of the machine, including failures that have occurred during the observed period of time. Data on recorded accidents, causes, and the consequences ...
    ... atmosphere for improving the functionality of the entire process of exploiting mineral resources. One of the most important details is that the results of fuzzy logic reasoning can indicate trends in risk management and can unambiguously reveal future developments related to system failure. A ris ...
    ... Serbia. The results indicated that there are numerous high-risk potential failures. These risks are influenced by low investment in human and financial resources that could reduce the number of failures or mitigate the negative effects of a failure. Such investment may be useful: the maintenance system ...