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2635 items
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Softverski alati za korišćenje resursa za srpski jezik
Ivan Obradović, Ranka Stanković (2008)... s in LADL format, none of them of- fered possibilities for management of the content of the dictionaries themselves. Thus a module was developed within WS4LR for the entry, re- view and update of lemmas of simple words and compounds, which supports the specific features of all three solutions (Intex ...
... management of dictionaries of simple words IVAN OBRADOVIć, RANKA STANKOVIć 49a The system of morphological dictionaries sup- ports the distribution of the dictionaries, namely enables the distribution of lemmas in several dic- tionaries, such as the dictionary of toponyms or dictionary of proper names ...
... May 2008 operates under the auspices of the Faculty of Mathematics of the University of Belgrade and gathers researchers in this field from several Fac- ulties. The most important and the most devel- oped among them is the system of morphological dictionaries of Serbian (SMD). Another highly important ...Ivan Obradović, Ranka Stanković. "Softverski alati za korišćenje resursa za srpski jezik" in INFOteka: časopis za informatiku i bibliotekarstvo, Belgrade, Serbia : Zajednica biblioteka univerziteta u Srbiji (2008)
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Coal homogenization stockyard sizing “Tamnava – Zapad” case study
... length, width and height of the stacked coal are sized. In these considerations the problem of self-inflaming of coal, availability of space, availability of funding, etc., are not taken into account. Only the technical and technological parameters affecting the size of the pile and stockyard are ...
... the operation of the stacking and reclaiming equipment. The output sequence of property values reflects the quality of the coal after blending. Case study from northern Greece mines show that coal-blending efficiency is a function of the capacity of the stockpile, the number of stockpile layers ...
... considering the level of data confidence and exploration of the deposit. This increases the number of stacking layers. In the example shown in Figure 1 it can be seen that for a range of 300 kJ/kg the number of layers should be around 50, while for an extremely small range of 200 kJ/kg more than ...Božo Kolonja, Dinko Knežević, Ranka Stanković, Dejan Stevanović, Detlef Trummer. "Coal homogenization stockyard sizing “Tamnava – Zapad” case study" in Proceedings of 13th International Symposium Continuous Surface Mining, ISCSM 2016, / (2016)
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Split-Desktop software for the analysis of fragment size distribution of blasted rock mass
Milanka Negovanović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić, Snežana Ignjatović (2023)Drobljenje stena je najvažniji pokazatelj u proceni efekata miniranja pri proizvodnom miniranju u površinskoj eksploataciji. Stepen drobljenja stena ima veliki uticaj na efikasnost daljih operacija utovara, transporta, drobljenja i mlevenja. Optimalno drobljenje stena pri proizvodnom miniranju utiče na smanjenje ukupnih troškova proizvodnje. Stoga je pouzdana procena veličine drobljenja odminirane stenske mase veoma važno pitanje, ne samo u operacijama miniranja, već i u rudarskoj proizvodnji. Za predviđanje distribucije veličine komada odminirane stenske mase postoje različiti empirijski modeli. KUZ-RAM model omogućava ...Milanka Negovanović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić, Snežana Ignjatović. "Split-Desktop software for the analysis of fragment size distribution of blasted rock mass" in 9th International Conference Mining and environmental protection, Sokobanja, Serbia, 24 – 27. May 2023, Belgrade : University of Belgrade, Faculty of Mining and Geology (2023)
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State and perspective of individual household heating in Serbia: A survey-based study
This paper presents the results of the household survey on individual household heating systems in Serbia. The survey was conducted in the period October to December 2020 with the participation of 1100 households with individual household heating systems. The information collected in the questionnaire can be separated into three main parts: basic household data, current heating system characteristics, and households’ perceptions and attitudes. The survey results provide unique and comprehensive information concerning individual household heating systems and the main ...Boban Pavlović, Dejan Ivezić, Marija Živković. "State and perspective of individual household heating in Serbia: A survey-based study" in Energy and Buildings, Elsevier BV (2021). https://doi.org/10.1016/j.enbuild.2021.111128
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Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays
... The resources of bentonite are, after more than forty years of exploration, very large (at least according to the reserves that exist on paper), but the economic effects of that exploration are almost non-existent. Resources of bentonite and bentonitic clays of tens of millions of tonnes have been ...
... those are re- serves of A + B + C1 categories), but continuous exploitation of bentonite in Serbia never existed. The main problems of valorisation of most bentonite deposits are relatively small deposits with layers of bentonite of small thickness, mostly medium or poor quality of raw materials, and ...
... declare no conflict of interest. References 1. Law on Mining and Geological Exploration. In Official Gazette of the Republic of Serbia; Republic of Serbia: Belgrade, Serbia, 2015. (In Serbian) 2. Law on environmental protection. In Official Gazette of the Republic of Serbia; Republic of Serbia: Belgrade ...Vladimir Simić, Dragana Životić, Zoran Miladinović. "Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays" in Resources, MDPI AG (2021). https://doi.org/10.3390/resources10060063
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Formative evaluation of e-learning projects with the logical framework approach
... reach of explanatory power. The function of the evaluation model is to make clearer the system and allows for more explicit analysis of the project through analysis of the components of the system, which is the promise of a ‘‘white box’’ approach. Furthermore, this type of analysis of the inner ...
... Belgrade, Faculty of Mining and Geology, ivan.obradovic@rgf.bg.ac.rs RANKA STANKOVIĆ, University of Belgrade, Faculty of Mining and Geology, ranka.stankovic@rgf.bg.ac.rs Abstract: Evaluation of E-learning projects is a topic of great interest and growing importance. The evaluation of a project is ...
... procedures [5]. According to the aims of the evaluator, the main objective of the evaluation, the evaluand, the sector/field, the developmental stage of the project, a wide range of evaluation approaches can be identified. On the basis of the developmental stage of a project the evaluation can be: ...Roberto Linzalone, Giovani Schiuma, Ivan Obradović, Ranka Stanković. "Formative evaluation of e-learning projects with the logical framework approach" in The Sixth International Conference on e-Learning (eLearning-2015), September 2015, Belgrade, Serbia, Belgrade Metropolitan Univesity (2015)
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Evaluation of the effects of wastewater heat pump integration into district heating systems by simulation
Dejan Ivezić, Marija Živković, Dimitrije Manić, Aleksandar Madžarević, Boban Pavlović, Dušan Danilović (2023)The integration of wastewater heat pumps (using purified water) in district heating systems is analyzed in this paper. The simulation procedure is proposed to analyze the impacts of stochasticity of purified water temperature and flow to heat pump integration and operation. The analysis includes calculation of the daily and seasonal coefficient of performance, as well as fossil fuel savings and CO2 emission reduction due to wastewater heat pump use. The proposed procedure is implemented for the case study in ...Dejan Ivezić, Marija Živković, Dimitrije Manić, Aleksandar Madžarević, Boban Pavlović, Dušan Danilović. "Evaluation of the effects of wastewater heat pump integration into district heating systems by simulation" in Thermal Science, National Library of Serbia (2023). https://doi.org/10.2298/TSCI220813168I
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Valorization of non-balanced coal reserves in Serbia for underground coal gasification
David Petrović, Lazar Kričak, Milanka Negovanović, Stefan Milanović, Jovan Marković, Nikola Simić, Ljubisav Stamenić (2019)In the name of a better and safer energy future, it is our responsibility to focus our knowledge and activities to save on imported liquid and gas fossil fuels, as well as coal on which energy security of Serbia is based. The rationalization in the use of available energy resources certainly positively affects economy and the environment of a country. This paper indicates motivations for the application of the underground coal gasification process, as well as surface gasification for ...... which would ensure the annual supply of energy — gas in the amount of 29:10% mž. The price of that gas could be 1/10 (even 1/15) of the price of natural gas. This is be- cause H, of the UCG generated gas is about 10 times lower than the natural gas. The price of natural gas is around 40 RSD/m?, ...
... deep disposal of particularly harmful products for which the economic justification of their purification or liquidation is determined, and — establishment of protective zones in the area of existence of groundwater with the imple- mentation of strict measures during the construction of appropriate ...
... some of the advantages are: — the absence of heavy mining in underground, as well as in surface mining conditions, — minimum costs of transporting gas to consumers, — significantly lower cost of the final product (normalized to 1 MJ of energy), — there is no significant degradation of the terrain ...David Petrović, Lazar Kričak, Milanka Negovanović, Stefan Milanović, Jovan Marković, Nikola Simić, Ljubisav Stamenić. "Valorization of non-balanced coal reserves in Serbia for underground coal gasification" in Thermal Science (2019). https://doi.org/10.2298/TSCI190725390P
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Strategic Environmental Assessment in the Application of Preventive Protection for Wind Farm Noise—Case Study: Maestrale Ring Wind Farm
Determining the spatial position of wind turbines is the initial and most important phase in the development of a wind farm project. In this sensitive phase, all potential problems that may arise in the later stages of project development should be prevented by means of spatial and urban planning instruments. This makes it possible to achieve maximum use of the potential of wind in a particular space and, thus, fulfil the technical and economic requirements of the project while ...Energija,energetski inženjering i elektroenergetska tehnologija,obnovljivi izvori energije, održivost i životna sredina,električni i elektronski inženjering,kontrola i optimizacija,inženjering... groups of criteria, with a total of 11 individual criteria, relating to: size (intensity) of impact; spatial dimensions (spatial dispersion) of impact; the likelihood that some of the estimated impacts will occur in reality; and frequency (dura- tion) of impacts (Table 2). Application of the s ...
... modeled as a point source of sound. The total sound of the wind farm is then calculated on the basis of the simultaneous operation of all wind turbines and summing the contri- bution of each (Figures 2 and 3). Modeling was carried out for a windspeed of 10 m/s at the height of the wind turbine axis ...
... positively affect the application of the principle of preventive protection through the opti- mal selection of the number and position of wind turbines on one hand and the objectivity of draw- ing conclusions based on which strategic decisions are made in the final phase of the SEA process, on the other ...Boško D. Josimović, Aleksandar Cvjetić, Božidar Manić. "Strategic Environmental Assessment in the Application of Preventive Protection for Wind Farm Noise—Case Study: Maestrale Ring Wind Farm" in Energies, MDPI AG (2021). https://doi.org/10.3390/en14196174
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WebGIS Cadastre of Abandoned Mines in Autonomous Province of Vojvodina
Ranka Stanković, Nikola Vulović, Nikola Lilić, Ivan Obradović, Radule Tošović, Milica Pešić-Georgiadis (2015)... overview of the use of the application on the basis of log data (logons) and data entry, as well as the number of visits of the site using Google analytics. Statistics of mining facilities and results of remote sensing by property type, by district, municipality, by mineral resource or method of re ...
... vulovic@rgf.bg.ac.rs 3 University of Belgrade, Faculty of Mining and Geology, Belgrade, Serbia, nikola.lilic@rgf.bg.ac.rs 4 University of Belgrade, Faculty of Mining and Geology, Belgrade, Serbia, ivan.obradovic@rgf.bg.ac.rs 5 University of Belgrade, Faculty of Mining and Geology, Belgrade, Serbia ...
... the territory of the Republic of Serbia. Keywords: WebGIS, Geodatabase, Abandoned mines, Mine reclamation. 1. INTRODUCTION Project "Cadastre of abandoned mines on the territory of the Autonomous Province of Vojvodina and accompanying database" was realized by University of Belgrade, Faculty ...Ranka Stanković, Nikola Vulović, Nikola Lilić, Ivan Obradović, Radule Tošović, Milica Pešić-Georgiadis. "WebGIS Cadastre of Abandoned Mines in Autonomous Province of Vojvodina" in Proceedings of the 5th International Symposium Mining And Environmental Protection,June 10-13,2015, Vrdnik, Serbia, Belgrade : Faculty of Mining and Geology (2015)
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History of meteorite donations to the Collection of Minerals and Rocks of the University of Belgrade, Faculty of Mining and Geology (Serbia)
... History of meteorite donations to the Collection of Minerals and Rocks of the University of Belgrade, Faculty of Mining and Geology (Serbia) Alena Zdravković1, Maja Milošević1, Kristina Šarić1, Ivana Jelić2, Ana Černok3 1Faculty of Mining and Geology, University of Belgrade, Belgrade ...
... principal collection of the Mineralogical Museum of the Great School of Belgrade was divided into two and all the meteorite samples of the Serbian recorded falls became the inventory of the newly established Natural History Museum in Belgrade. Fortunately, new collections of minerals and meteorites ...
... labels was also very useful. The numbering of the samples and confirmation of the label names were done in 2014, thanks to the cooperation with Mr. Guy Consolmagno, curator of the Vatican Observatory and on the basis of a copy of the original Catalogue of the entire Mauroy's private meteorite collection ...Alena Zdravković, Maja Milošević, Kristina Šarić, Ivana Jelić, Ana Černok. "History of meteorite donations to the Collection of Minerals and Rocks of the University of Belgrade, Faculty of Mining and Geology (Serbia)" in 9th International Conference Mineralogy and Museums, Sofia, Bulgaria, Earth and Man National Museum and Bulgarian Mineralogical Society (2021)
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The effect of finite driving rate on avalanche distributions
Statistics, Probability and Uncertainty,Statistics and Probability,Statistical and Nonlinear PhysicsSonja Radić, Sanja Janićević, Dragutin Jovković, Đorđe Spasojević. "The effect of finite driving rate on avalanche distributions" in Journal of Statistical Mechanics: Theory and Experiment, IOP Publishing (2021). https://doi.org/10.1088/1742-5468/ac1f12
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Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining
Ivan Janković, Stevan Đenadić , Dragan Ignjatović , Predrag Jovančić , Tomislav Šubaranović, Ivica Ristović (2019)... application of the AHP method as one of the most used method of multicriteria decision analysis (MDCA) showed the rank of different types of dozer most commonly used auxiliary machine in open-cast coal mine of Kolubara. The subjects of the analysis were four dozers analysed by a combination of four basic ...
... funded by the Ministry of Education and Science of the Republic of Serbia within the framework of Programme of research in the field of technological development projects TR 33039 and TR 33025. Acknowledgments: This paper was realized as a part of the project “Improvement of Lignite Opencast Technology ...
... schematic display of the structure of the analytical hierarchy process (AHP) method. The mathematical basis of the AHP method consists of four steps: 1. Production of a hierarchical model, that is, the structure of the decision-making problem (presented in Figure 2); 2. The use of an appropriate Saaty ...Ivan Janković, Stevan Đenadić , Dragan Ignjatović , Predrag Jovančić , Tomislav Šubaranović, Ivica Ristović . "Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining" in Energies, MDPI (2019). https://doi.org/https://doi.org/10.3390/en12122245
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SASA Dictionary as the Gold Standard for Good Dictionary Examples for Serbian
Ranka Stanković, Branislava Šandrih, Rada Stijović, Cvetana Krstev, Duško Vitas, Aleksandra Marković (2019)У овом раду представљамо модел за избор добрих примера за речник српског језика и развој иницијалних компоненти модела. Метода која се користи заснива се на детаљној анализи различитих лексичких и синтактичких карактеристика у корпусу састављених од примера из пет дигитализованих свезака речника САНУ. Почетни скуп функција био је инспирисан сличним приступом и за друге језике. Дистрибуција карактеристика примера из овог корпуса упоређује се са карактеристиком дистрибуције узорака реченица ексцерпираних из корпуса који садрже различите текстове. Анализа је показала да ...Српски, добри примери из речника, аутоматизација израде речника, издвајање својстава, Машинско учење... Interlinking of related words is envisaged as more explicit, on the level of lexical units (senses), which will enable the reuse of dictionary content that already exists in the database. The fine-grained structure of the database enabled the creation of a dataset of examples supported by a set of related ...
... left side each volume of SASA dictionary is represented by a histogram with parts of speech in different colours. The right-hand side shows histograms of partitions of the control dataset. Figure 1: The histogram of the number of words in examples. 260 Proceedings of eLex 2019 The ...
... for selection of good dictionary examples for Serbian and the development of initial model components. The method used is based on a thorough analysis of various lexical and syntactic features in a corpus compiled of examples from the five digitized volumes of the Serbian Academy of Sciences and Arts ...Ranka Stanković, Branislava Šandrih, Rada Stijović, Cvetana Krstev, Duško Vitas, Aleksandra Marković. "SASA Dictionary as the Gold Standard for Good Dictionary Examples for Serbian" in Electronic lexicography in the 21st century. Proceedings of the eLex 2019 conference , Lexical Computing CZ, s.r.o. (2019)
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Mineral Resources of Serbia: Environmental, Societal and Economic Challenges
... was relatively low excess risk of short-term exposure to elevated pollutant concentrations. However, the 90-day cumulative exposure was associated with the severity of health effects and with premature mortality (Stanišić Stojić et al. 2016b). As regards the effects of climatic changes on health, ...
... The second Spatial Plan of the Republic of Serbia entered into force on the Ist of December 2010 for the period of 10 years. The Government of Serbia adopted the Decree on establishment of the Program of Implementation of the Spatial Plan of Republic of Serbia from 2010 to 2020, for the period from ...
... Gazette of the Republic of Serbia,? number 102/2011). The Program of Implementation of the Spatial Plan of the Republic of Serbia from 2010 to 2020 for the period from 2011 to 2015 has three main parts: 1) Elaboration of strategic priorities / projects of the Spatial Plan of the Republic of Serbia ...Vladimir Simić, Rade Jelenković, Dragana Životić. "Mineral Resources of Serbia: Environmental, Societal and Economic Challenges" in Serbia: Current Issues and Challenges in the Areas of Natural Resources, Agriculture and Environment,, Nova Science Publishers, Inc. (2019)
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An Integrated Environment for Management and Exploitation of Linguistic Resources
Ranka Stanković, Ivan Obradović (2009)... as functions of this web application are es- sentially also functions of WS4LR. WS4LR provides for the management and development of the system of morphological dictionaries as well as of wordnets, where both manipulation of individual wordnets and synchronized use of wordnets for ...
... The most important feature of the dictionary manage- ment module is the possibility of very efficient search of dictionaries, namely of finding subsets of lemmas based on different criteria. Fig. 1 depicts a form for management of dictionaries of simple words. Within this form, lemmas ...
... establishment of a relation with another important resource, the SWN. Fig. 1 Simple words dictionary management The basic principles of search and management of data in dictionaries of compounds are the same as for the dictionar- ies of simple words. However, dictionaries of compounds ...Ranka Stanković, Ivan Obradović. "An Integrated Environment for Management and Exploitation of Linguistic Resources" in Proceedings of the International Multiconference on Computer Science and Information Technology, Computational Linguistics – Applications Workshop (CLA09), Mrągowo, Poland, October 2009, Piscataway : IEEE (2009)
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The Importance of Detailed Groundwater Monitoring for Underground Structure in Karst (Case Study: HPP Pirot, Southeastern Serbia)
... establishment of detailed monitoring of quantitative and qualitative parameters of groundwater in the zone of possible interactions between a water-conveyance tunnel and the geologic/hydrogeologic environment is of the utmost importance for assessing the risk of adverse effects and of tunnel performance ...
... establishment of detailed monitoring of quantitative and qualitative parameters of groundwater in the zone of possible interactions between a water-conveyance tunnel and the geologic/hydrogeologic environment is of the utmost importance for assessing the risk of adverse effects and of tunnel performance ...
... Surface water reservoir is located at an elevation of 612 m, occupies an area of 5.53 km and has a total volume of 170 × 106 m3. č Figure 1. Geographic position of the study area and schematic representation of the longitudinal section of the tunnel, including elevations. In geological terms ...Marina Čokorilo Ilić, Ana Mladenović, Marina Ćuk, Igor Jemcov. "The Importance of Detailed Groundwater Monitoring for Underground Structure in Karst (Case Study: HPP Pirot, Southeastern Serbia)" in Water, MDPI AG (2019). https://doi.org/10.3390/w11030603
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An Approach to Management Decision Support: The Coal Mine Pljevlja Management Information System
In this paper we describe the approach that has been used in the development of the Management Information System (MIS) in the Coal Mine Pljevlja in Montenegro. The methodology of this approach was based on new information technologies and management techniques which have already been successfully applied in other related fields. Its main goal was to introduce modern management techniques to mining, adapted to specific features of the mining industry, its operations and environment, thus enabling the tactical management ...... methodology has already been applied in the development of the first phase of the Coal Mine Pljevlja MIS aimed at monitoring and management of transportation costs, in the summer of 2005. It resulted in the establishment of an efficient system of information, thus motivating the mining management, ...
... preparation services of the pits’ mechanical and electrical maintenance units, and the central maintenance unit. For the purpose of easier management of data on equipment, a catalogue of equipment components has been made, containing prototypes of the hierarchical structure of equipment. Namely, ...
... The following types of information are considered: produced quantities of coal per assortments, realized efficiency of equipment, realized wages, production standstills, breakdowns, operative events, condition of equipment and facilities, condition of dumps, quality of coal and waste water, shift ...Božo Kolonja, Ranka Stanković, Filip Vuković, Ivan Obradović. "An Approach to Management Decision Support: The Coal Mine Pljevlja Management Information System" in Proceedings of the Fifteenth International Symposium on Mine Planning and Equipment Selection, Torino, Italy, September 2006, Vol. 1,, Balkema (2006)
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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 ...... Faculty of Civil Engineering, University of Belgrade Uroš Đurić, udjuric@grf.bg.ac.rs, Faculty of Civil Engineering, University of Belgrade Biljana Abolmasov, biljana.abolmasov@rgf.bg.ac.rs, Faculty of Mining and Geology, University of Belgrade Marko Pejić, mpejic@grf.bg.ac.rs, Faculty of Civil ...
... stability monitoring“, financed by Ministry of Education, Science and Technological Development of the Republic of Serbia, and the collaboration between University of Belgrade, Faculty of Mining and Geology and Faculty of Civil Engineering, Institute of Transportation CIP, The Highway Institute ...
... monitored by GNSS kinematic positioning of a set of characteristic points as well as by UAV (Unmanned Aerial Vehicle) photogrammetry. The main issue of this paper is the presentation of the results gained with GNSS kinematic positioning of characteristic points of Umka landslide within three observation ...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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2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem
... establishment of one unique resistivity scale and observing the profile line as a whole would produce the loss of model features. Because of the overwhelming heterogeneity of the subsurface it was strived to maintain the maximal amount of details of 2D models, and because of that units of the same ...
... satisfactory. The enhancement of the RMS% value in some parts of the profile could be attributed to the generally 3D character of the examined half-space. It is necessary to consider the possibility of contamination of the lower layers (marl rocks) by means of electrolytic fluids. These marl ...
... (housing development “Deponija”). In the beginning of the year 1960, under the jurisdiction of the former Federal executive council of SFRY, “Ada Huja” became a waste dump site. A variety of birds was endangered as consequence of this decision, one of which was the white-tailed-eagle, the largest eagle ...Branislav Sretenović, Filip Arnaut, Ivana Vasiljević, Vesna Cvetkov. "2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem" in Podzemni radovi, Centre for Evaluation in Education and Science (CEON/CEES) (2019). https://doi.org/10.5937/PodRad1934059S