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Упит dcterms_creator_txt:Walter F. Henning

653 items

  • Definisanje geotehničkih karakteristika terena za potrebe izgradnje stanice za snabdevanje gorivom “OMV” u Trsteniku

    Milica Dutina (2024)
    U ovom Završnom radu prikazana su istraživanja na osnovu kojih su urađeni grafički dio, proračun nosivosti i proračun analize slijeganja terena za potrebe izgradnje benzinske stanice sa pratećim objektima. Detaljno je analiziran prodajni objekat,čelični rezervoar za gorivo i znak. Za proračun graničnog opterećenja korišćena je metoda Mayerhofa, dok je analiza slijeganja urađena Konsolidacionom metodom slijeganja za prodajni objekat i čelični rezervoar za gorivo, a za temelj znaka po principu slijeganja i rotacije krutih temelja - Gorbun Posadov. Sve dobijene ...
    terenska istraživanja, laboratorijska ispitivanja, geotehnička istraživanja, geotehnički model terena, osnovne tehničke karakteristike, analiza slijeganja, proračn nosivosti
    ... ograničeno željezničkom prugom Kraljevo — Stalać. Na slici br. 3 je prikazana lokacija benzinske stanice. 13 Bogdanje BornaHkbe —— \\ f_,·'} / j f _— __ Trstenik TpcTeHMK !OMV Diesel fuel Čairi _ Wdavipv Odžaci :T. Gernji k O ebu Pu6H Slika 3 – Prikaz lokacije OMV stanice (Google ...
    ... Mayerhof - u -– Faktori oblika temelja s = 1+0.2·Š·tg2(45+F2—)) -– Faktori dubine fundiranja 29 dc=1+0.2·%·tg(45+2) D _ d = .. | dy—dq—l·l·().l F tg(45+ž) – Faktori nagiba opterećenja a — ugao nagiba rezultujuće sile u odnosu na vertikalu U ovom slučaju ugao nagiba rezultujuće sile u odnosu ...
    ... (qr) podijeli sa globalnim faktorom sigurnosti (Fs), dobija se dozvoljeno opterećenje (qa). Globalni faktor sigurnosti se najčešće kreće između F. = 2 — 3 (u proračunu Je usvojena vrijednost 2.5), a zavisi od vrste tla (vezano ili nevezano), pouzdanosti sa kojom su određeni parametri otpornosti ...

  • Arsenic in tape waters of the south Pannonian basin (Serbia) and arsenic risk assessment

    Petar Papić, Marina Ćuk, Maja Todorović, Jana Stojković, Bojan Hajdin, Nebojša Atanacković, Dušan Polomčić (2012)
    ... concentrations in groundwater used for drinking water supply in Bačka. Fig. 5. Arsenic concentrations in Srem groundwaters. L og F re qu en cy L og F re qu en cy L og F re qu en cy As [µg/L] As [µg/L] As [µg/L] A u th o r C o p y • A u th o r C o p y • A u th o r C ...
    ... 0.5 0.5 pH 6.8-9.5 6.8-8.5 Na+ [mg/L] 150 150 Ca2+ [mg/L] 200 200 Mg2+ [mg/L] 50 50 HCO3̄ [mg/L] - - SO4 2- [mg/L] - 250 Cl¯ [mg/L] 250 200 F¯ [mg/L] 1.5 1.5 Fig. 2. Piper diagram of the composition of groundwater used for drinking water supply (22 water supply systems). Middle and North Banat ...

  • The use of biological markers in determination of origin and type of organic matter in the Tisza river sediments

    Snežana Štrbac, Gordana Gajica, Aleksandra Šajnović, Nebojša Vasić, Ksenija Stojanović, Branimir Jovančićević (2013)
    The objective of the study was to determine the origin and type of organic matter (OM) of the Tisza recent sediments along the distance of 153 km through the territory of Serbia. For this purpose group organic-geochemical parameters and biomarker compositions were used. All samples contain approximately same amount of OM, which was deposited under uniform, slightly reducing conditions. Based on the distribution of n-alkanes, the origin and type of OM could not be precisely estimated. However, n-alkane patterns ...
    sediments, Tisza River, organic matter, biomarkers, oil pollutants
    ... abundances of steranes and diasteranes Sample % C27 a % C28 b % C29 c C29αα(S)/ C29αα(S+R)d C29ββ(R)/ C29(ββ(R)+αα(R))e C27βα(S)/ C27(βα(S)+αα(R))f M18 33.2 29.4 37.4 0.49 0.49 0.30 M21 27.4 32.8 39.8 0.48 0.46 0.31 M22 31.8 30.9 37.3 0.49 0.50 0.29 M25 29.3 32.4 38.3 0.48 0.47 0.31 M9 32.2 ...
    ... Çelikbıçak, Eds., InTech, Rijeka, Croatia, 2012, Ch. 1, p. 3 5. R. A. Bourbonniere, P. A. Meyers, Limnol. Oceanogr. 41 (1996) 352 6. A. Bechtel, R. F. Sachsenhofer, I. Kolcon, R. Gratzer, A. Otto, W. Püttmann, Int. J. Coal Geol. 51 (2002) 31 7. I. R. Kaplan, Y. Galperin, S. Lu, R. Lee, Org. Geochem ...
    ... Fuel Biomarkers. Applications and Spectra. Elsevier, Amsterdam, 1985, pp. 153, 159–161, 164–169, 229, 246, 250, 253 13. A. Zdravkov, A. Bechtel, R. F. Sachsenhofer, J. Kortenski, R. Gratzer, Org. Geochem. 42 (2011) 237 14. B. Jovančićević, P. Polić, Fresenius Envir. Bull. 10 (2001) 527 15. B. M ...

  • Cultural Heritage and Protection of Hand-Wheeled Pottery Manufacture in Western Serbia: Characteristics of Zlakusa Pottery Based on Sem-Eds and Optical Microscopy

    Milošević Maja, Zdravković Alena, Đordjević Biljana, Jelić Ivana (2021)
    ... was supported by the Ministry of Education and Science, Republic of Serbia, Project no. 176010. References DJORDJEVIĆ, B. (2013): In: Lugli, F., Stoppiello, A. A. & Biagetti, S. (Eds.): Ethnoarchaeology: Current research and field methods. Conference Proceedings, Rome, Italy. BAR International ...

  • Razvoj integralnog modela za optimizaciju diskontinualnog sistema proizvodnje na površinskim kopovima nemetala

    Miodrag Čelebić (2024)
    Izbor optimalne mehanizacije u diskontinualnom sistemu transporta je jedna od najvažnijih odluka koju treba donijeti prilikom projektovanja površinskih kopova. Pri izboru optimalne mehanizacije, uticaj ima veliki broj faktora, kako prirodnih – geoloških i ekoloških, tako i tehničkih, ekonomskih i socijanih. Neki od njih se mogu izraziti numerički, u određenim mijernim jedinicama, a neki opisno, lingvističkim varijablama, shodno uslovima koji vladaju na rudnim ležištima, a koje karakterišu visok stepen neizvjesnosti i neodređenosti kako prilikom istraživanja, tako i tokom procesa eksploatacije ...
    izbor mehanizacije, tehnologija eksploatacije, diskontinualani sistem, ekspertsko odlučivanje, lingvističke varijable, MCDM, FAHP

  • Surface functional groups and degree of carbonization of selected chars from different processes and feedstock

    Marija Ilić, Franz-Hubert Haegel, Aleksandar Lolić, Zoran Nedić, Tomislav Tosti, Ivana Sredović Ignjatović, Andreas Linden, Nicolai D. Jablonowski, Heinrich Hartmann (2022)
    The knowledge ofthe structural and chemical properties of biochars is decisive for their application as technical products. For this reason, methods for the characterization of biochars that are generally applicable and allow quality control are highly desired. Several methods that have shown potential in other studies were used to investigate two activated carbons and seven biochars from different processes and feedstock. The chars were chosen to cover a wide range of chemical composition and structural properties as a hardness ...
    Biougalj, različiti procesi dobijanja, različite sirovine, površinski aktivne grupe, x-ray, FT-IR,XPS
    ... operational temperature. Biomass Convers Biorefin. 2021 Feb 4. pii https://doi. org/10.1007/s13399-021-01303-5. Kloss S, Zehetner F, Dellantonio A, Hamid R, Ottner F, Liedtke V, et al. Characterization of slow pyrol- ysis biochars: effects of feedstocks and pyrolysis temperature on biochar properties ...
    ... publications. - The Repository is available at: www.dr.rgf.bg.ac.rs PLOS ONE -)) Check for updates G OPEN ACCESS Citation: Ilić M, Haegel F-H, Lolić A, Nedić Z, Tosti T, Ignjatović IS, et al. (2022) Surface functional groups and degree of carbonization of selected chars from different ...
    ... selected chars from different processes and feedstock Marija Ilić!*, Franz-Hubert Haegel(52**, Aleksandar LolićŠ*, Zoran Nedić“t, Tomislav Tostic»*f, Ivana Sredović Ignjatović»**, Andreas Linden**, Nicolai D. Jablonowskifž, Heinrich Hartmann”* 1 Faculty of Mining and Geology, University of Belgrade ...

  • Hronološki pregled razvoja površinske eksploatacije lignita u Srbiji

    Bojan Dimitrijević, Radmila Gaćina, Bogoljub Vučković (2023)
    U ovom preglednom radu dat je istorijski pregled razvoja površinske eksploatacije lignita na teritoriji Srbije, uz kratak osvrt na geološki nastanak i kvalitet i rezerve uglja, kao i mogućnosti korišćenja za dalju upotrebu. Kolubarski, Kostolački i Kovinski ugljeni baseni lignita u Srbiji, ne računajući Kosovsko-Metohijski i Drenički u sastavu AP Kosovo i Metohija po Rezoluciji 1244 UN, su ležišta najrasprostranjenijeg uglja - lignita u Srbiji koji se eksploatiše od druge polovine 20. veka na velikom broju površinskih kopova ...
    površinska eksploatacija ugalja, lignit, Kolubara, Kostolac, Srbija

  • Supstitucione reakcije Pd(II) kompleksa sa biološki važnim biomolekulima

    Aleksandar M. Mijatović, Jovana Bogojeski (2017)
    Kompleksi Pd(II), supstitucione reakcije

  • Анализа рада дисконтинуалног система на основу симулације утовара и транспорта целог површинског копа

    Милош Јовановић (2024)
    У овом раду анализира се рад дисконтинуалног система утовара и транспорта на површинским коповима користећи софтверски пакет Haulsim. Циљ истраживања је побољшање ефикасности процеса транспорта и оптимизација коришћења ресурса. Симулација је спроведена за различите сценарије утовара и транспорта, укључујући варијације у броју возила, њиховој брзини, капацитету, као и рутама транспорта. Добијени резултати су показали значајне могућности за унапређење постојећих процедура и смањење трошкова. Дисконтинуални системи су сложени и захтевају пажљиву анализу како би се постигла максимална продуктивност и смањење ...
    анализа, симулација, оптимизација, ефикасност, Haulsim
    ... Garepa Komatsu PC 3000. S p z r a A N S K 2 L RNT Š al |38 e r r r t * h F f F Y N F M M M A M A S Y I | - |j ODE KEBJII UUUUDUKIK IKO C, _ 5600mm 184"* L 7455mm 247" D 2210 mm 73' M, 3010mm 911" F 3000 mm 910 O (6800mm 226" H 7910mm 2511 P, „6410mm 2 Cuka 5.1. Texnuuke Kap ...
    ... IIOTOHCKHX TOuKoBa (0,8-0,9) TIJi — KOč(DHIIHJeHT KOpHCHOr JIejCTBa IIOTOHCKHX TOuKoBa (0,7-0,75) Fo — norpe0OHa ByuHa cHa, kN 5=G·(f+D G – yKyrnHa TexxuHa BoO3Hma, kN f — koeQuHrujeHT oTmopy KperaĐa KaMHOHa (3aBHCH OJL KBaJIHTeTaA Topber crpoja myTa) 1 — y3Jly)KHH Haru0 myrTa, % CurypHa Op3MHa ...
    ... HcTOBaPpa Kao H cHara KaMHOH42. 40 Anaja pajna JUHCKOHTHHyaJIHOr CHCTeMa Ha OCHOBy CHMyJTanHje yroBapa H TpaHcCnoprTa IIeJIOr IIOBpIHIHHCKOT KOTa f. Edit Configuration - Load & Haul Units - Belaz - 75135 _ |a| x Operational Data | Costing Data — Distribution Data 'Configuration Tray -- Operation ...

  • Granatski amfiboliti Bistrice

    Jovana Opančina (2024)
    Predmet ispitivanja ovog završnog rada su granatski amfiboliti Bistrice. Izvršena su petrografska i hemijska ispitivanja s ciljem da se odredi stepen metamorfizma, protolit ispitivanih stena i P-T uslovi nastanka. Ispitivani granatski amfiboliti geografski pripadaju Prijepolju, tačnije nalaze se na ulasku u Prijepolje, mesto Bistrica. Geološka građa obuhvata uglavnom mezozojske tvorevine među kojima se nalaze sedimentne, magmatske i metamorfne stene. Geološki procesi koji su doveli do stvaranja amfibolita su procesi subdukcije i obdukcije koji su se pretpostavljamo dešavali na većim ...
    granatski amfiboliti, Bistrica, elektronska mikrosonda, polarizacioni mikroskop

  • A Lexical Approach to Acronyms and their Definitions

    Cvetana Krstev, Duško Vitas, Ranka Stanković (2015)
    In this paper we present a comprehensive approach to acronyms for Natural-Language Processing (NLP) of Serbian texts. The proposed procedure includes extraction of acronyms and their definitions that are usual Multi-Word Units (MWUs), shallow parsing of MWUs that enables MWU lemmatization and production of entries in morphological electronic dictionaries, both for MWU and acronyms, that are provided with grammatical, syntactic, semantic and domain information. This approach enables representation that reflects complex relations between acronyms and their definitions.
    ... Sgarbas, and S. Panagiotopoulou, 2014. Acronym identification in Greek legal texts. Literary and Linguistic Computing, 30(3):440–541. Wolinski, F., F. Vichot, and B. Dillet, 1995. Automatic processing of proper names in texts. In Proceedings of the 7th conference on European chapter of the ACL. ...
    ... manually 21 multiple entries 19 e-dict_MW_forms 9,956 6 corpus 23MW acr. inflects 333 acronyms 987 acr. in masc. 323 acr. in fem. 64 acr. both m&f 35 acr. in plural 2 7 acronyms 987 e-dict_acr_forms 6,946 Table 1: Results of the procedure on our corpus The majority of (acronym, definition) pairs ...

  • Medical Domain Document Classification via Extraction of Taxonomy Concepts from MeSH Ontology

    Mihailo Škorić, Mauro Dragoni (2019)
    This paper is a result of a task that was presented to attendants of Keyword Search in Big Linked Data summer school, that was organized by Vienna University of Technology, under the Keystone COST action in the summer of 2017. It presents a specific approach to the classification via creation of minimal document surrogates based on the US National medical library’s MeSH ontology, which is derived from the Medical Subject Headings thesaurus. In a series of previously classified medically ...
    document classification, MeSH, ontology, information extraction
    ... forwarded for evaluation. 3 Evaluation and results comparison Test set Taking identifier length into account Precision @10 Average mean Precision Recall F-measure 1 yes 0.58 0.0060 0.0696 0.0108 2 no 0.46 0.0057 0.0648 0.0103 Table 2. Тest sets used for classification and their results. Experiments were ...
    ... those documents. The annotation used in the evaluation was manually conducted by an expert team. The usual metrics of average mean precision, recal12 and F-measure 11 TREC Clinical Decision Support 2016 (on-line) 12 Relevant documents not included in the ranking were taken as false negatives. Infotheca ...
    ... of a query. Table 2 shows us that taking the length of the identifier into account yielded a slight improvement in results (5% improved precision and F- measure, 7% improved recall and 12% improved precision@10). Considering the values obtained, it can be immediately noticed that the precision is unusually ...

  • Application of the VIKOR Method for Selecting the Purpose of Recultivated Terrain after the End of Coal Mining

    Radmila Gaćina, Sanja Bajić, Bojan Dimitrijević, Tomislav Šubaranović, Čedomir Beljić, Dragoljub Bajić (2024)
    reclamation, coal, sustainable development, multi-criteria decision making, VIKOR method

  • Optimising in electrical energy consumption in mining plants

    Snežana Aleksandrović, Vesna Damnjanović, Ilija Jeftenić (2018)

  • Numerical Models of Debris Flows with Entrainment Analysis-Case Studies from the Republic of Serbia

    Jelka Krušić , Biljana Abolmasov, Miloš Marjanović (2021)
    The results of material entrainment analysis in RAMMS debris flow software, as well as numerical models of final flow heights for two case studies from the Republic of Serbia are presented. Both of debris flow cases started with initial sliding of huge volume block, prolonging to behave as flowing process. Results of the analysis showed that entrainment material affects final results of transportation model, runout distance, deposition area and volume of debris flow. In both cases entrainment volume is very ...
    tecišta, zadržavanje nanosa, RAMMS, validacija

  • The optimization of auxiliary machinery in open-cast lignite mines: a case study of bulldozers

    Dragan Ignjatović, Predrag Jovančić, Stevan Đenadić, Ivan Janković, Ivica Ristović (2019)
    One of the most important prerequisites for the successful operation of the open-cast lignite mine is to carry out all the auxiliary works timely with the necessary quality. The most important and most commonly used auxiliary machines are bulldozers. Engaging time of bulldozers use is in direct relation with the coefficients of the time and capacity utilization of the continuous system for the excavation of coal and tailings, which indicates their importance. More than 100 bulldozers have been hired ...
    open-cast coal mine, auxiliary works, bulldozers, optimization, availability
    ... facilities for maintenance. where: T C,=C, +] fadt+C,7, 0 C, — total life cycle costs, C, — ownership costs, C; — specific operational costs per time, f(t) — function of mean time between failures, T —time of machine application. Optimal replacement time is at the moment with minimal cost (Figure 3). ...
    ... operation) and limiting availability of 0.80. This diagram is shown in Figure 8 [1]. 12 3 1 0,97 0.955 __0.915 0.9I% ___9;905\\ 05 7 —= . 2 | T ф \ 0.722 e 5 0.6 – | : | 0.602 –ј | 5ћапећа! РОЗ20У-1 04 _ | | d О 0.316 | 0.2 - | | | | Џ Џ 0 T T T T T Ц T T T 1.year 2. уеаг ...

  • Energetska efikasnost elektromotora na površinskim kopovima

    Snežana Aleksandrović, Ilija Jeftenić (2023)

  • Допринос одређивању безопасног растојања при извођењу минирања

    Slobodan Trajković, Sanja Bajić, Ivan Krsmanović (2023)
    минирање, експлозија, потреси од минирања
    ... HayuHo-crTpyuHui uacorHc Scientific-profesional journal TommHa XXIX, bpoj 40,cenreM6ap 2023.rojm. Year XXIX, Issuc 40, Scptembcer 2023. ycar f\pyuiTBo Vicrpax1B8aHbe TexHonoruje OcHuBau: /fIpyurrBo HH;Keb»epa H TexHHuapa 3pebaHHH MHaynanaun: ZJipymrrBo HH;Kemepa, 3pebbaHHH Bucoka TexHHukKa ...
    ... T % VcCJOBH H3BOLEba MHHCDpCKHX pajlOBa — 3a KpcuMbaKC KOJH CC HaJa3C Ha OBOJ JokKamjH, a HpeMa Koc(bMIMjeHTy upBpcrohc npema IIporobakoHony (f =7,32), creHcKka Maca cnama y CpcFbC WdBpCTC CTeHC. IIpeMa rpaljeeEHHCKHM HOpMaMa I H-200 a MMXOBOJ KnacH(puKalujH, OBC cTreHc Hpunamajy VI-oj ...

  • Природни потенцијал минералних вода Србије - Natural potential of mineral waters in Serbia

    Оливера Крунић (2021)
    минералне воде

  • Comprehensive Profiling of Microbiologically Induced CaCO3 Precipitation by Ureolytic Bacillus Isolates from Alkaline Soils

    Olja Šovljanski, Lato Pezo, Jovana Stanojev, Branimir Bajac, Sabina Kovač, Elvira Tóth, Ivan Ristić, Ana Tomić, Aleksandra Ranitović, Dragoljub Cvetković, Siniša Markov (2021)
    MICP process, kinetic study, calcite, vaterite, MALDI-TOF identification, Bacillus licheniformis, Sporosarcina pasteurii
    ... 379–387. [CrossRef] 42. Orhan, F.; Gulluce, M. Isolation and characterization of salt-tolerant bacterial strains in salt-affected soils of erzurum, Turkey. Geomicrobiol. J. 2014, 32, 521–529. [CrossRef] 43. Zhang, J.; Xie, L.; Huang, X.; Liang, Z.; Liu, B.; Han, N.; Xing, F.; Deng, X. Enhanced calcite ...
    ... strains isolated from a limestone cave and from a loamy soil. Geomicrobiol. J. 2003, 20, 85–98. [CrossRef] 2. Jorquera, M.A.; Graether, S.P.; Maruyama, F. Bioprospecting and biotechnology of extremophiles. Front. Bioeng. Biotechnol. 2019, 7, 106. [CrossRef] 3. Bibi, S.; Oualha, M.; Ashfaq, M.Y.; Suleiman ...
    ... role of bacterial urease and carbonic anhydrase in carbonate mineralization. Appl. Biochem. Biotechnol. 2014, 172, 2552–2561. [CrossRef] 14. Hammes, F.; Boon, N.; Clement, G.; de Villiers, J.; Siciliano, S.D.; Verstraete, W. Molecular, biochemical and ecological characteri- zation of a bio-catalytic ...