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Упит dcterms_subject_txt:Otoliti in situ

1967 items

  • Модел миграције нитрата у епикарсту: лабораторијски експеримент

    Бранислав Петровић (2022)
    Епикарст је део карстног изданског система који се налази у зони аерације и представља сложену област додира и мешања неконсолидованог материјала са површине терена, остатака карбонатних стена измењених корозивном водом, флоре и фауне и њихових остатака, који је делимично и повремено засићен подземном водом. Подручје истраживања примењених мултидисциплинарних истраживања био је карстни масив Суве планине (ЈИ Србија), односно подручје око мале пећине Печ, настале у епикарсту. Између осталих истраживања, опит трасирања (На-флуоресцеин) у пећини Печ помогао је у одређивању ...
    епикарст, модел, нитрати, специфична електрична проводљивост

  • Rock excavation methods in urban areas

    Stefan Milanović, Lazar Kričak, Milanka Negovanović, Nikola Simić, Jovan Marković, Nikola Đokić (2023)
    Povećan obim građevinskih radova, koji podrazumevaju izgradnju novih stambenih i poslovnih objekata, hotela, garaža, tržnih centara i slično, sve je češći u urbanim sredinama. Ovakvi radovi sve više dolaze u kontakt sa različitom vrstom problema prilikom izgradnje, kao jedan od tih problema izdvajamo pojavu čvrste stenske mase prilikom otkopavanja na lokacijama izgradnje budućih objekata predviđenih građevinskim projektom. Prilikom izgradnje objekata tj. dela objekta koji podrazumeva podzemne prostorije nekog objekta, potrebno je vršiti iskop materijala na lokaciji, međutim taj materijal ...
    urbana sredina, iskopavanje, ekspanzione smeše, kontrolisano miniranje, izgradnja

  • Critical disorder and critical magnetic field of the nonequilibrium athermal random-field Ising model in thin systems

    Svetislav Mijatović, Dragutin Jovković, Sanja Janićević, Đorđe Spasojević (2019)
    Изингов модел, критично понашање, танки системи

  • Грешка инклинације код депозиционе реманетне магнетизације

    Mirko Petković, Vesna Cvetkov (2019)
    ... momenti pojedinačnih feromagnetskih zrna bi oscilovali slobodno i ne bi zadržali "zapis" magnetskog polja u trenutku nastanka. Magnetizacija stijena in situ je suma vektora dveju komponenata: 𝑀 = 𝑀𝑖 + 𝑀𝑟, (1) odnosno suma vektora indukovane (𝑀𝑖) i remanentne magnetizacije (𝑀𝑟). Prisustvo ...
    ... pripisivala promjeni zapremine usled istiskanja vode iz sedimenata. Kasniji eksperimenti pokazali su da se ova greška javlja i kod sedimenata uzetih in situ (na terenu). Inklinacija depozicione remanentne magnetizacije sistematski je manja u odnosu na inklinaciju u trenutku depozicije sedimentne stijene ...
    ... individual minerals which carry the magnetization showed that the flattening factor for magnetite is in the domain 0.54 ≤ f ≤ 1, and for hematite 0.4 ≤ f ≤ 1. The second numerical approximation, shown in this study, is based on the presumed geological age of the strata from which the samples were taken ...

  • Clockwise vertical-axis rotation in the West Vardar zone of Serbia: Tectonic implications

    Vesna Lesić, Emo Márton, Violeta Gajić, Dragana Jovanović, Vesna Cvetkov (2018)
    The Vardar-Tethyan mega-suture between the Eurasian and Adria (Gondwana) margins comprises remnants of oceanic lithosphere of Neotethys and distal parts of the adjacent continental margins including unconformable Late Cretaceous sedimentary cover and Cenozoic igneous rocks of post-obduction age. This study provides kinematic constraints for displacements and rotations affecting the Serbian part of the West Vardar and Jadar-Kopaonik units after the closure of the Neotethyan (= Sava) Ocean. The targets of the paleomagnetic research were Late Cretaceous sediments representing an ...
    Paleomagnetism, Clockwise rotation, Dinarides, West Vardar zone
    ... Kopaonik Mts. area The NRM in the granodiorites resides in magnetite, as Curie-point measurements prove (Lesić et al. 2013). In contrast, there is a wide variation of the magnetic minerals in the dacitoandesites. The Curie-point measurement on specimen 3651 from site 29 (Supplementary Fig. 4) shows ...
    ... Curie point of the magnetite (Fig. 7), except for site 32, where the magnetic mineral, according to the demagnetization curve (Fig. 7, specimen 3548B) of the NRM as well as the magnetic mineralogy experiment (Lesić et al. 2013) is hematite. In contrast to the daci- toandesites, most granodiorites ...
    ... are interpreted to indicate CW vertical-axis rotations with respect to the present north (Fig. 11). In the case of the Rudnik Mts. area the overall mean directions calculated from the locality or site mean paleomagnetic directions of the Upper Cretaceous sediments suggest 46.3� ± 15.5�. The Oligo ...

  • WebGIS Cadastre of Abandoned Mines in Autonomous Province of Vojvodina

    Ranka Stanković, Nikola Vulović, Nikola Lilić, Ivan Obradović, Radule Tošović, Milica Pešić-Georgiadis (2015)
    ... and then proceed to the inspection of selected data in more detail, as well as related data, including their editing and deletion. Detailed data on the registry of abandoned facilities consist of a name, place, municipality, district and site address. Object type is selected from the list of provided ...
    ... records about all abandoned mining facilities in the municipality, district or national park. Statistical reports provide an 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 ...
    ... works in the mineral resources field. GeolIEP represents a basis for archiving and efficient handling of vector, raster and related thematic alphanumeric content in one place, as well as efficient management and usage of mineral resources. The use of GeolIEP results in cost reduction in data storage ...

  • Groundwater management by riverbank filtration and an infiltration channel, the case of Obrenovac, Serbia

    Dušan Polomčić, Bojan Hajdin, Zoran Stevanović, Dragoljub Bajić, Katarina Hajdin (2013)

  • Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation

    Maja Franković, Nevenka Novaković, Vesna Matović (2015)
    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 ...
    Krečnjak, mapiranje, Indeks raspadanja, brzina raspadanja, progresija
    ... mapping of built stone, macroscopic observation was carried out in situ. In order to examine microfacies of built stone, five 6185 Environ Earth Sci (2015) 73:0181–6193 Fig. 2 Images and photomicrographs of stones built in the Dark Gate: (a-c) Grainstone; (d—e) Algal rudstone; (f-g) Rudstone ...
    ... degradation rate over the past 7 years. Documentation created in 2007 was compared with the stone condition by direct examination in situ and also by taking new photographs and comparing old and new photo documentation. Changes in final damage cate- gories were noted and mapped. On the base ...
    ... tion of damage categories, new damage indices Were calculated. Results Lithological mapping Results of petrographic macroscopic observation in situ and microscopic microfacial analyses on built stone sam- ples reveal that three facies type of limestone were used for construction of the Dark ...

  • Mineral Resources of Serbia: Environmental, Societal and Economic Challenges

    Vladimir Simić, Rade Jelenković, Dragana Životić (2019)
    ... from the site FJ, in A branches from the site BN, in the leaves of all plants from the site FJ, in G and VP leaves from the site BN, in WB leaves from the sites BN and S:; 2) for Pb: in G stems from the site BN, in WB stems from the sites FJ and S, in VP branches from the sites FJ and D, in A branches ...
    ... the sites FEJ and BN, in WB leaves from the site S, in VP leaves from the site BN, in A leaves from the sites FEJ and BN: and 3) for As: in G leaves from the site BN, and in WB leaves from the site FJ. Significant enrichments (EF=5—20) were also detected for Cu, Pb, and As in most cases related ...
    ... dried fruit: in almost all samples of WB fruit (except in the sample from the control site Gc), in fruits of VP from the sites FJ, BN, O, and S, and only in one fruit sample of G (site F)). ML for Cd in fresh fruit is set to 0.050 mg/kg (WW) in both mentioned regulations, whereas for Cd in dried fruit ...

  • Human Hemoglobin and Antipsychotics Clozapine, Ziprasidone and Sertindole: Friends or Foes?

    Lena Platanić Arizanović, Nikola Gligorijević, Ilija Cvijetić, Aleksandar Mijatović, Maja Krstić Ristivojević, Simeon Minić, Aleksandra Nikolić Kokić, Čedo Miljević, Milan Nikolić (2023)
    Packed with hemoglobin, an essential protein for oxygen transport, human erythrocytes are a suitable model system for testing the pleiotropic effects of lipophilic drugs. Our study investi gated the interaction between antipsychotic drugs clozapine, ziprasidone, sertindole, and human hemoglobin under simulated physiological conditions. Analysis of protein fluorescence quenching at different temperatures and data obtained from the van’t Hoff diagram and molecular docking indicate that the interactions are static and that the tetrameric human hemoglobin has one binding site for ...
    Inorganic Chemistry, Organic Chemistry, Physical and Theoretical Chemistry, Computer Science Applications, Spectroscopy, Molecular Biology, General Medicine, Catalysis

  • Evidence for Ladinian (Middle Triassic) platform progradation in the Gyulakeszi area, Tapolca Basin, Western Hungary: Microfacies Analysis and Biostratigraphy

    Zsolt Robert Nagy, Nevenka Đerić, Sándor Kovács, Anna Oravecz-Scheffer, Felicitász Velledits, Olga Piros, Gabor Csillag (2014)
    anizik, ladin, karbonati, litostratigrafija, biostratigrafija, konodonti, radiolarije, dijageneza
    ... lected on the east side of a dirt road (continuation of Jokai Street) where no in-situ rock was exposed. On the west side of the dirt road white limestone (“upper unit”) samples were collected from boulders and small in-situ rock exposures near the water tower, where the rock is thick-bedded or massive ...
    ... are partially shown. 'Note that large part of the succession is not exposed (grey) and the samples from the nodular limestone were taken from not in-situ rock exposures. recrystallized so that the original texture cannot be identified. Many of the clasts are broken and angular/sub-angular. Some ...
    ... only exposed in bore- holes drilled in the area, e.g. Silurian — Devonian meta- morphic phyllite in the Gy – 2 (Gyulakeszi), Permian sandstone ın the Gy – 3, Permian sandstone and dacites in the Gy - 5, and Lower 'Triassic mixed carbonate- siliciclastics in the Ka — 1 (Kisap4ti) and in the Szi – ...

  • Insights into dike nucleation and eruption dynamics from high-resolution seismic imaging of magmatic system at the East Pacific Rise

    Milena Marjanović, Suzanne M. Carbotte, Alexandre Stopin, Satish C. Singh, René-Édouard Plessix, Miloš Marjanović, Mladen R. Nedimović, Juan Pablo Canales, Hélène D. Carton, John C. Mutter, Javier Escartín (2023)
    Multidisciplinary

  • Funkcionisanje i uticaj epikarsta na režim, bilans i kvalitet podzemnih voda istočnog dela karstnog sistema Suve planine

    Branislav Z. Petrović (2020)
    Epikarst je deo karstne izdani koji se nalazi u okviru nadizdanske zone i predstavlja kompleksnu tačku dodira i mešanja nekonsolidovanog materijala sa površine terena, ostataka karbonatnih stena izmenjenih korozivnim delovanjem vode, živog sveta i njihovih ostataka, koja je delimično zasićena podzemnom vodom. Kompletan sud o stepenu razvoja i prisustva epikarsta na nekom krečnjačkom terenu moguće je doneti uz multidisciplinarna i obavezna detaljna hidrogeološka istraživanja. Poligon za sprovedena istraživanja je bio karstni masiv Suve planine, koja u geološkom i geografskom smislu ...
    epikarst, karstni sistem, podzemne vode, procesi samoprečišćavanja, hidrohemijski i mikrobiološki procesi u podzemnoj vodi

  • Polymorphism and photoluminescence properties of K3ErSi2O7

    Predrag Dabić, Marko G. Nikolić, Sabina Kovač, Aleksandar Kremenović (2019)
    alkalni silikati elemenata retkih zemalja, silikati lantanoida, polimorfizam, fotoluminescencija, kristalna struktura

  • Mineralogical study of clays from Dobrodo, Serbia, for use in ceramics

    Maja Milošević, Predrag Dabić, Sabina Kovač, Lazar Kaluđerović, Mihovil Logar (2019)
    keramika, glina, Dobrodo, mineralogija, sirovina, Srbija

  • Ionothermal synthesis and crystal structure of a new organic–inorganic hybrid compound:catena-poly[bis(1-ethyl-3-methylimidazolium) [hepta-μ-bromido-pentacuprate(I)]]

    Ljiljana Karanović, Dejan Poleti, Tamara Đorđević (2014)
    A new organic-inorganic hybrid compound, catena-poly[bis(1-ethyl-3-methylimidazolium) [μ5-bromido-tri-μ3-bromido-tri-μ2-bromido-pentacuprate(I)]], {(C6H11N2)2[Cu5Br7]}n, has been obtained under ionothermal conditions from a reaction mixture containing Ba(OH)2•8H O, Cu(OH)2•2H2O, As2O5 , 1-ethyl-3-methylimidazolium bromide and distilled water. The crystal structure consists of complex [Cu5Br7]2- anions arranged in sinusoidal {[Cu5Br7]2-}n chains running along the a axis, which are surrounded by 1-ethyl-3-methylimidazolium cations. Three of the five unique Br atoms and one of the three Cu(I) atoms occupy special positions with half-occupancy (a mirror plane perpendicular to the b ...
    кристална структура, органско-неорганско хибридно једињење, бакар(I) бромид, јонотермна синтеза, 1-етил-3-метилимидазолијум бромид, Cu•••Cu интеракције

  • Life Cycle Assessment of Individual Wood Biomass Heating Systems in Households

    Boban Pavlović, Dejan Ivezić, Marija Živković (2020)
    The use of solid fuels (wood biomass and coal) for heating of households continues to be common practice within European countries. Solid fuel combustion in households contributes more than 46% to total emissions of fine particulate matter. In this study, a life-cycle assessment (LCA) of firewood-based and pellet-based heating systems is performed. These two systems represent two different types of individual wood biomass heating systems. In the case of the firewood-based heating systems, it is analyzed a typical stove ...
    Grejanje, Analiza životnog ciklusa, Drvna biomasa, Individualni sistemi grejanja
    ... Geneva, Switzerland.https://www.ipcc.ch/site/assets/uploads/2018/05/SYR_AR5_FINAL_full _wcover.pdf (accessed 30 Sep. 2020). [17] AERS, Energy Agency of the Republic of Serbia (2018). Energy costs for heating residential space, AERS, Belgrade. (available only in Serbian)http://aers.rs/g/vesti/file/ ...
    ... and low wood combustion efficiency [6]. In the last decade, wood pellets have seen high growth rates in consumption, and also in production, in Serbia [7]. From the complete production of wood fuels in Serbia, the expansion of production capacities was largest in the wood pellet segment. Until 2016, ...
    ... houses, apartment buildings, etc. [3]. In Household Budget Survey 2018, published by the Statistical Office of the Republic of Serbia [5], solid fuels (wood and coal) are used in 56.6% of households for heating in Serbia. The usage of wood biomass for heating in Serbia is characterized by excessive ...

  • Control of substructure construction of railways in the Republic of Serbia

    Dragan Lukić, Dragoslav Rakić, Irena Basarić Ikodinović (2022)
    Контрола збијености природног тла (у ископу) или збијеног у насипу при изградњи саобраћајница представља један од основних облика контроле квалитета доњег строја. Код изградње брзих саобраћајница (аутопутеви и брза железница) приоритет је постизање високог нивоа контроле извршених радова. У циљу онемогућавања диференцијалног слегања (при изградњи насипа), или промене запремине услед допунског збијања материјала, које неминовно доводе до деформација, потребно је извршити оптимално збијање материјала. У оквиру овог рада приказује се техничка регулатива која регулише контролу збијености при изградњи железничке ...
    доњи строј, техничка регулатива, насип, збијеност, контрола
    ... L CONFERENCE ON CONTEMPORARY THEORY AND PRACTICE IN CONSTRUCTION XV light falling weight (determination of the dynamic modulus of deformation Evd) in that zone, and with constant monitoring of moisture. enter the results of the on-site test in Table 4, which is signed by the responsible contractor ...
    ... DIGITAL PUBLICATION – DISTRIBUTION THROUGH CONFERENCE WEB SITE – ISBN 978-99976-978-4-4 ISSN 2566-4484 Banja Luka, june 2022 INTERNATIONAL CONFERENCE ON CONTEMPORARY THEORY AND PRACTICE IN CONSTRUCTION XV STEPGRAD XV PROCEEDINGS ...
    ... installed in the layers of the substructure. The minimum requirements are prescribed by the values of the degree of compaction Rc*, ie the values of the deformability modulus Ev2 whose definition is contained in SRPS U.E1.010, ie in DIN 18134. The criteria to be met by the materials installed in the protective ...

  • Soil oscillation law parameter determination with the application of Lagrange’s theorem at “Kovilovača“ open pit

    Suzana Lutovac, Nebojša Vidanović, Čedomir Beljić, Zoran Gligorić (2015)
    ... explosive, the distance from the blast site, characteristics of the rock mass and the type of blasting, it is the equa- tion of M. A. Sadovski that is used most commonly. In this study, parameters n and K in the law of Sadovsky were determined in two ways – models in the given work environ- ment. The ...
    ... blast site to the monitoring point m , Q - amount of explosive kg . 2.1 Derivation of equation of rock mass oscillation law The equation of Sadovski has been de- rived from the condition: if the radius of charge and the distance from the blast site to the monitoring point increase in the same ...
    ... Serbia realized by the Faculty of Mining and Geology in Belgrade 1 INTRODUCTION As the relation between the soil oscilla- tion velocity and basic parameters affecting its magnitude, being: the amount of explo- sive, a distance from the blast site, character- istics of the rock material and a type ...

  • Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays

    Vladimir Simić, Dragana Životić, Zoran Miladinović (2021)
    Management, Monitoring, Policy and Law,Nature and Landscape Conservation
    ... may be calculated in the same way as geological (in situ) reserves (Table 1) after the analysis of modifying factors, but without taking into account the final pit design. In that case there will be a big difference between measured resources and the proven/probable reserves. If in the Serbian geological ...
    ... based on their quality, rarity, investments necessary to start operations and the markets they need to supply [19]. In Serbia, as in most parts of Eastern and Southeastern Europe, “in situ” kaolin deposits are differentiated from refractory and ceramic clay de- posits which were formed by erosion and ...
    ... Proven Serbian ex- isting re- porting sys- tem Reserves of solid mineral raw materials Potential Potential Total explored geological reserves in situ, balanced and/or off-balanced Exploitation reserves (balanced reserves minus mining losses and/or dilution after the analysis of all modifying ...