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Упит dcterms_subject_txt:Standards for LRs

1390 items

  • Production of electricity from coal-fired power plants and accompanying CO2 emissions: comparison of EU-27 and US

    Uroš Djorgovski, Aleksandar Madžarević, Predrag Jovančić (2023)
    Even in the third decade of the 21st century, large power plants are still responsible for more than half of the electricity production in Europe and US. They predominantly use fossil fuels in their work, which results in the emission of pollutants into the air, soil and water. In addition to the production of electric energy, fossil fuels, including coal, are used for industrial purposes. Although the use of coal, especially in the countries of the European Union, is ...
    CO2, емисија, угаљ, термоелектрана, САД, ЕУ-27
    ... developing countries, coal is often the only alternative when cleaner energy sources are inadequate to meet the growing demand for energy, i.e., impact on rising standards. Such is the case with Serbia. In 1990, the share of coal in the production of electricity was 72,6%, while in 2021 this share ...
    ... decades, for example, the following measures would have to be implemented. For EU-27, 50% of the electricity currently provided by TPP Neurath, Germany needs to be produced annually from renewable sources to make up the difference by 2050 (that is about 2000 MW of installed power for 8000 h of ...
    ... responsible for more than half of the electricity production in Europe and US. They predominantly use fossil fuels in their work, which results in the emission of pollutants into the air, soil and water. In addition to the production of electric energy, fossil fuels, including coal, are used for industrial ...

  • Paleomagnetic evidence for post-collisional Miocene clockwise rotation in the Serbian segment of the Vardar Zone and the Danubicum

    Vesna Lesić, Emő Márton, Vesna Cvetkov, Dragana Tomić (2015)

  • Развој геолошког терминолошког речника ГеолИССТерм

    Ranka Stanković, Branislav Trivić, Olivera Kitanović, Branislav Blagojević, Velizar Nikolić (2011)
    ... list of terms is provided only for the purpose of cor- rect sorting in the tree structure. The terms that are for some reason regarded as unsuitable for further use are not deleted from the dictionary, but are taken out of use. The software makes it possible for autho- rized users to add new entries ...
    ... application for browsing and searching its content online, but also the component for domain control, namely, integration into geolISS. The application of ge- olISSTerm as a bilingual resource is illustrated by automatic map symbolization in Serbian and english. The directions for further development ...
    ... terminological resources with a rich semantic description. The first network of this kind was built for the english language at Princeton and provided the basis for the creation of WordNet for many other languages. The versions of WordNet built as part of european projects eu- roWordNet and BalkaNet ...

  • Correlation Between Dynamic CBR and Compaction and Bearing Capacity of Pavement Foundation Layers

    Milan Bogdanović, Snežana Bogdanović, Dragoslav Rakić, Irena Basarić Ikodinović (2024)
    This paper presents a dynamic California Bearing Ratio (CBRd) device that can be used on a prepared pavement foundation layer to obtain a certain parameter of the tested material in the laboratory and in situ in a direct and fast way. For the selected natural material (gravel), it is shown that the laboratory CBRd can be used to estimate the compaction and bearing capacity, because it correlates well with the parameters of the standard and modifed Proctor compaction tests. ...
    korelacija parametara, donji slojevi saobraćajnica, laboratorijska i terenska ispitivanja, dinamički kalifornijski indeks nosivosti CBRd
    ... quality of construction, in accordance with the criteria defined by certain design regulations, specifications, and standards. In addition to compaction control, the basic measure for ensuring the quality of the substrate is the bearing capacity of the final layer (subgrade) over which the pavement ...
    ... equipment in accordance with ap- plicable national and relevant standards, and the recommendations of other countries. Problem Description The CBR device, which has recently started being used in Serbia, has been in use worldwide for the last few years. As a device that can conduct tests in the ...
    ... the water con- tent for dry sample formation increased, CBRy „ decreased to 2.0% of the water content for formation, and then increased again as the water content increased from 2.0% to approximately 9.7% (SP) or 8.8% (MP), approaching w„ . Increasing the water content for formation above w„„ resulted ...

  • Influence of DEM resolution on numerical modelling of debris flows in RAMMS - Selanac case study

    Jelka Krušić, Biljana Abolmasov, Mileva Samardžić Petrović (2019)
    Debris flows induced by intensive rainfall represent very hazardous phenomena in many parts of the World. Methods for prediction of runout distance of flow like mass movements are different and depending on the input data, rheology, and available or appropriate numerical solution. However, sometimes it is not easy to obtain pre event and post event high-resolution data in the rural or mountainous area. Thus, the topology of terrain is the most important input parameter for the every real case ...
    tecišta, modeliranje, RAMMS, DEM
    ... software is FVM (Finite Volume Method) based software for modelling of debris flows. RAMMS was developed in 2005 by the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL, Birmensdorf) and the Swiss Federal Institute for Snow and Avalanche Research (SLF, Davos). The mass balance ...
    ... precipitation for 45 days affected triggering of many new landslides across the Western Serbia. Most of new occurrences were defined as granular flows, which were not so typical landslide type for this area. The nearest meteorological station Loznica registered maximum of 230 mm of rain for 72 hours ...
    ... dynamical method are tested, based on Voellmy (1955) approach, which was specially designed for snow avalanches (Bartelt, 2015; Christen et al., 2007; 2010a; 2010b). Nevertheless, it is also suitable for modelling of other processes such as rock avalanches and debris flows (Schraml, 2015; Sosio ...

  • Properties of fly ash and slag from the power plants

    Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić (2016)
    This paper describes the physical, chemical and mineral properties of ash and slag, which were taken from thermal power plants Nikola Tesla A, Nikola Tesla B, Kostolac A and Kostolac B. The knowledge of the mineralogical material composition is important because the type of minerals directly determines the properties of the fly ash and slag and their possible application. Laboratory tests showed that ash and slag samples consist of the following minerals: amorphous materials, quartz, feldspar, mullite, melilite, cristobalite, ...
    fly ash, slag, physical composition, chemical composition, mineral composition, X-ray diffraction method
    ... basin is 19.38m, while it is 1.43m for IIa, 4.14m for II, 1.53m for Ia and 13.90m for I coal seam (ŽIVOTIĆ et al., 2015). 4. MATERIALS AND METHODS The ash sampling was carried out nearthe electric filter in the cooling phase, before it came into contact with water. For tech- nological reasons, the slag ...
    ... 23 0.40 0.49 0.74 LOI 1000 – loss on ignition 1000°C; m – �y ash for month May; j – �y ash for month June; (s) – slag; NT – Nikola Tesla; KO – Kostolac Figure 5. The R module according to PP (m – �y ash for month May; j – �y ash for month June; (s) – slag; NT – Nikola Tesla; KO – Kostolac). G eo ...
    ... plants 323 results, a total of 266 correlations were made (133 for fly ash and 133 for slag), wherein the positive correlations are shown in bold and negative correlations are italic. Positive and negative correla- tion coefficients for all the tested dependencies are equally rep- resented. During ...

  • Trans-Lithospheric Diapirism as a Possible Mechanism for Ophiolite Emplacement?

    Nikola Stanković, Taras Gerya, Vladica Cvetković, Vesna Cvetkov (2024)

  • English for Geology Students. 2

    Lidija Beko (2023)
    Engleski jezik
    ... the colour green. For those with a penchant for photography or pos- sessing a photographic memory, this can facilitate learning, and provide overall motivation for the students to find an easier way towards acquisition. In other words, this approach to visualization allows for a facilitated con ...
    ... Измењено: 2023-11-07 09:16:53 English for Geology Students. 2 Lidija Beko Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] English for Geology Students. 2 | Lidija Beko | | 2023 | | http://dr.rgf.bg.ac.rs/s/repo/item/0008242 Дигитални ...
    ... rs Odd ViICl | SANSTILS AO 1049 » HOt TON Lidija Beko ENGLISH FOR GEOLOGY STUDENTS Lidija Beko ENGLESKI JEZIK ZA GEOLOGE Publisher The Faculty of Mining and Geology, Đušina 7, Belgrade www.rgf.bg.ac.rs For the publisher dr Biljana Abolmasov, dean Editor dr Marija Živković ...

  • Projected changes in air temperature, precipitation and aridity in Serbia in the 21st century

    Boško Milovanović, Sebastian Schubert, Milan Radovanović, Vesna Ristić Vakanjac, Christoph Schneider (2021)
    У овој студији се испитују пројектоване промене средњих месечних и годишњих температура ваздуха, количине падавина и Де Мартоновог индекса аридности у Србији у 21. веку. У ту сврху статистички је моделована просторна дистрибуција температуре ваздуха и количине падавина на основу података 64 климатолошке станице и 421 падавинске станице за период 1976–2005 применом вишеструке линеарне регресије. Де Мартонов индекс аридности се израчунава из просторно распоређених података. Да бисмо добили регионалне просеке и варијабилност, Србију делимо на три поддомена: западну зону ...
    21 век, температуре ваздуха, климатске промене, Де Мартонеов индекс аридности, падавине, Србија

  • Centar za hidrogeologiju karsta - 15 godina nauke i struke

    urednici Saša Milanović, Ljiljana Vasić, Zoran Stevanović, Branislav Petrović (2023)
    Centar za hidrogeologiju karsta
    ... kilograms of Na-fluorescein as well as equipment for performing dye tracing experiments (tracer, fluorescent lamp, protective suits, standards and other supporting equipment). In-situ water quality monitoring The CKH is equipped with modern devices for testing the physico-chemical parameters of water ...
    ... groundwater. In addition to these donations, extremely important for the establishment of the laboratory was a contribution by the Serbian Ministry of Education, Science and Technological Development/Department for Pupil and Student Standards and Investments, Which granted funds to CKH to procure all ...
    ... ant material, installing a fire protection system, and outfitting , with modemn laboratory furniture, made according to applicable standards. Remodeling lasted for two years and the CKH Laboratory was finally commissioned in 2020. Donations to the CKH Laboratory Since the establishment of CKH ...

  • Српски језик у дигиталном добу -- The Serbian Language in the Digital Age

    Duško Vitas, Ljubomir Popović, Cvetana Krstev, Ivan Obradović, Gordana Pavlović-Lažetić, Mladen Stanojević (2012)
    Serbian language
    ... tional literacy. ewish to bring the goals and standards 55 of instruction closer to the instruction in the European Union, as well as the unsatisfactory results of students onPISA testing, serve as impulses for themodernisation of language instruction and for putting a greater em- phasis on functional ...
    ... world, but also due to the harmoni- sation of legal acts, standards and terminology with those existent in the EuropeanUnion. e influence of English can especially be observed, not only due to cultural and economic factors, which is true for other countries aswell, but also due to the fact that in ...
    ... reform (goals of language instruction, standards to be reached, syllabi), and in the improvement of the qual- ity of textbooks. At the university level, there is a gen- eral shortage of courses in Serbian that would systemat- ically prepare future experts for successful professional communication and ...

  • Arsenic in Tap Water of Serbia´s South Pannonian Basin and Arsenic Risk Assessment

    Petar Papić, Marina Ćuk, Maja Todorović, Jana Stojković, Bojan Hajdin, Nebojša Atanacković, Dušan Polomčić (2012)
    kvalitet podzemnih voda, arsen, analiza rizika, Panonski Basen
    ... 15% of the total, is used for drinking water supply in rural settle- ments. More than 600,000 inhabitants of Banat and Bačka (or about 40% of the population of Vojvodina) are exposed to drinking water whose arsenic and ammonia concentra- tions exceed drinking water standards. Arsenic concentra- tions ...
    ... [µg/L] to a depth of 250 m, which meet drinking water standards. Depths below 250 m exhibited elevated total mineralization [19]. Arsenic Risk Assessment by the Drinking Water Pathway The end result of the assessment of groundwaters used for drinking water supply in the South Pannonian Basin should ...
    ... M. L., MOORE L., HAQUE R., STEINMAUS C., CHUNG J., HERNANDEZ A., LOP- IPERO P, Cancer Risk from Arsenic in Drinking Water. Implications for Drinking Water Standards, Elsevier Science, pp. 191-199, 1999. 40. UJEVIĆ BOŠNJAK M., CAPAK K., JAZBEC A., CASIOT C., SIPOS L., POLJAK V., DADIĆ Ž., Hydrochemical ...

  • The Reciprocal Algebraic Integers Having Small House

    Dragan Stankov (2021)
    Algebraic integer, the house of algebraic integer, maximal modulus, reciprocal polynomial, primitive polynomial, Schinzel-Zassenhaus conjecture, Mahler measure, method of least squares, cyclotomic polynomials

  • Density maps from gravity inversion as a tool for the basin basement analysis and imaging

    Ivana Vasiljević (2023)
    Previously devised method for density mapping of the Cenozoic basin’s basement is further developed in order to improve the visualization and geological interpretation of the results. The method combines gravity-density inversion with forward modeling and requires gravity anomaly and depth-to-basement data. Although it was primarily designed for application in well-researched basins, such as Pannonian basin, method does not require further constrains. An information on density distribution in the Cenozoic sediments (from density logging or core density measurements) is important ...

  • Low-temperature phase transition and magnetic properties of K3YbSi2O7

    Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petříček, Aleksandar Kremenović (2021)
    alkalni silikati elemenata retkih zemalja, fazni prelazi, magnetne karakteristike, razdvajanje kristalnog polja, silikati lantanica
    ... are 4 (for �1 +) and 7 (for �5 +). There- fore, a total number of 11 modes (parameters) are necessary to characterize the symmetry-breaking distortion, in accordance with the number of free positional parameters in the conventional description of the Cmcm structure (Table 8). Finally, for each involved ...
    ... numbers are 4 (for I',") and 7 (for I’;*). There- fore, a total number of 11 modes (parameters) are necessary to characterize the symmetry-breaking distortion, in accordance with the number of free positional parameters in the conventional description of the Cmcm structure (Table 8). Finally, for each involved ...
    ... process. For potassium-containing rare-earth disilicates two struc- ture types have been described so far, which crystallize in the space groups P6:/mcm and P63/mmc, respectively (Vidican et al., 2003; Latshaw et al., 2016c; Dabié et al., 2019). The crystal structure of a-K;YbSi,O7 has been known for quite ...

  • Phase relations and physical indicators of municipal waste from old landfills in Serbia

    Dragoslav R Rakić, Irena G Basarić Ikodinović, Jovana M Janković, Tina D Đurić (2021)
    Due to certain similarities of municipal waste and soil, usually for the determination of basic parameters of physical state, laboratory and field tests which are common in geotechnical investigations are used. It is often to construct an apparatus for special purpose to perform some specific laboratory and field tests. Therefore, different values of indicators of municipal waste physical state can be found in the literature. The basic reasons should be found in different definitions and methods that researchers use ...
    municipal waste, moisture content, unit weight, specific gravity, grain size distribution, porosityGeneral Computer Science
    ... certain similarities of municipal waste and soil, usually for the determination of basic parameters of physical state, laboratory and field tests which are common in geotechnical investigations are used. It is often to construct an apparatus for special purpose to perform some specific laboratory and ...
    ... weight, specific gravity, grain size distribution, porosity. 1 INTRODUCTION of material for specific groups that are published by different authors, EU member countries have developed and proposed formal method for the waste composition definition called „S.W.A. - Tool'* (European Commission - EC ...
    ... waste contains significant percentage of unclassified and soil material (either from the material used for covering or due to the advanced stage of decomposition), which is typical for an old waste and represents already formed landfills in which the process of biodegradation is in advanced ...

  • Data from the Digital Repository of the Faculty of Mining and Geology in eScience (eNauka)

    Biljana Rujević, Mihailo Škorić (2024)
    The paper describes linking the Digital Repository of the University of Belgrade, Faculty of Mining and Geology, with the eScience system in terms of transferring metadata about the results of researchers' scientific work. The steps taken to ensure a smooth harvesting of metadata are outlined. Additionally, a presentation of additional improvements to the OAI system is provided, aiming to contribute to the automatic linking of authors with their results in the eScience system.
    репозиторијуми, еНаука, метаподаци, Рударско-геолошки факултет

  • Flood protection and water utilization of karst poljes: example of Gatačko Polje, Eastern Herzegovina

    Tina Dašić, Ljiljana Vasić (2020)
    Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry,Global and Planetary Change

  • Freeze-dried nanocrystal dispersion of novel deuterated pyrazoloquinolinone ligand (DK-I-56-1): Process parameters and lyoprotectant selection through the stability study

    Jelena R. Mitrović, Maja Bjelošević Žiberna, Aleksandar Vukadinović, Daniel E. Knutson, Dishary Sharmin, Aleksandar Kremenović, Pegi Ahlin Grabnar, Odon Planinšek, Dominique Lunter, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2023)
    Recently, nanocrystal dispersions have been considered as a promising formulation strategy to improve the bioavailability of the deuterated pyrazoloquinolinone ligand DK-I-56-1 (7‑methoxy-2-(4‑methoxy-d3-phenyl)-2,5-dihydro-3H-pyrazolo[4,3-c]quinolin-3-one). In the current study, the freeze-drying process (formulation and process parameters) was investigated to improve the storage stability of the previously developed formulation. Different combinations of lyoprotectant (sucrose or trehalose) and bulking agent (mannitol) were varied while formulations were freeze-dried under two conditions (primary drying at -10 or -45 °C). The obtained lyophilizates were characterized in terms ...
    Pharmaceutical Science
    ... immediately after freeze-drying and after one month of storage. For lyophilization-2, samples were frozen at -50 "C for 3 h and then primary dried at -45 "C and 0.2 mbar for 21 h, which was followed by secondary drying at 20 *C for 30 h in a Telstar LyoBeta Mini freeze dryer (Spain). Vials were ...
    ... was not significantly increased (P=0.997 and 0.951 for T+M 1 + 1, after one and three months, respectively; P = 0.260 and 0.937 for T+M 3 + 2, after one and three months, respectively), except for the formulation with trehalose alone, for which an additional increase of approximately 20 nm was ...
    ... Lyophilization Lyophilization was performed under two «conditions. For lyophilization-1, samples were frozen at -80 "C for 3 h and then freeze- dried in a Beta 1–8 K freeze dryer (Martin Christ, Osterode am Harz, Germany) for 24 h, with primary drying at -10 "C and 0.340 mbar and secondary drying ...

  • Preparation, synthesis and characterization of nanometric Ca0.9Er0.1MnO3

    Tijana B. Vlašković, Bojana Laban, Maja Milošević, Maria Čebela, Vladimir Dodevski, Milena Rosić (2023)
    ... NJCJE LONG SCIENTISTS, IN CERAMICS 15% ECerS CONFERENCE for YOUNG SCIENTISTS in CERAMICS PROGRAMME and BOOK OF ABSTRACTS October 11-14, 2023 Novi Sad, Serbia Programme and Book of Abstracts of The ECerS 15 Conference for Young Scientists in Ceramics (CYSC-2023) publishes abstracts ...
    ... presented at traditional international Conference for Young Scientists in Ceramics. FEditors-in-Chief Prof. Dr. Vladimir V. Srdić Dr. SoBa Hžibalova Publisher Faculty of Technology, University of Novi Sad Bul. cara Lazara 1, 21000 Novi Sad, Serbia For Publisher Prof. Dr. Biljana Pajin Printing ...
    ... uuja y nyOnakannju BuOnuoreka Marurnce cpricke, HoBu Cajn 666.3/.7(048.3) CONFERENCE for Young Scientists in Ceramics (15 ; 2023 ; Novi Sad) Programme and book of abstracts / 15th ECerS Conference for Young Scientists in Ceramics, October 11-14, 2023, Novi Sad ; [editor-in-chief Vladimir V ...