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2670 items
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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 ...... could be attri- buted to Rusanda and Elemir crude oils. Acknowledgements. The study was funded by the Ministry of Education, Science and Technological Development of the Republic of Serbia (Project Nos. 176006 and 176019). Nikola Vuković, M.Sc., in Geology is acknowledged for linguistic corrections ...
... 21207 Sremska Kamenica, Serbia, 2University of Belgrade, ICTM, Center of Chemistry, Njegoševa 12, 11000 Belgrade, Serbia, 3University of Belgrade, Faculty of Mining and Geology, Djušina 7, 1100 Belgrade, Serbia and 4University of Belgrade, Faculty of Chemistry, Studentski trg 12–16, 11000 Belgrade ...
... environment, age, maturity, relative length of migration and mineral composition of the source and reservoir rocks.10,11 This feature of oil can be very useful in environmental chemistry for the determination of the source of pollution. Consequently, analyses of this type obtain a forensic character. ...Snežana Štrbac, Gordana Gajica, Aleksandra Šajnović, Nebojša Vasić, Ksenija Stojanović, Branimir Jovančićević. "The use of biological markers in determination of origin and type of organic matter in the Tisza river sediments" in Journal of Serbian Chemical Society, Beograd : Srpsko hemijsko društvo (2013). https://doi.org/10.2298/JSC130614087S
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Substitution reactions of some novel sterically hindered monofunctional Pd(II) complexes
Reakcije supstitucije monofunkcionalnih kompleksa [(TLtBu)PdCl]+ i [Pd(tpdm)Cl]+, gde je TLtBu = 2,6-bis[(1,3-di-terc-butilimidazolin-2-imino)metil]piridin i tpdm = terpiridindimetan, sa nukleofilima kao što su: tiourea, I−, Br−, NO2−, piridin i dimetil-sulfoksid (DMSO) proučavani su u 0,1 M vodenom rastvoru NaClO4 u prisustvu 10 mM NaCl. Reakcije su sprovedene na tri različite temperature (288, 298 i 308 K) korišćenjem tehnike zaustavljenog protoka na različitim temperaturama. Reakcije supstitucije su praćene pod uslovima pseudo prvog reda sa velikim viškom nukleofila. Dobijeni rezultati pokazuju da kompleks ...... on reactions is asso- ciative supported by the negative values of DS–. Acknowledgements The authors gratefully acknowledge financial support from the Ministry of Science and Technological Development of the Republic of Serbia, Project No. 172011. Appendix A. Supplementary material Supplementary data ...
... other side, the bulkiness of two methyl groups in the molecule of DMSO as well as the bulkiness of the inert tridentate ligands in the structure of the studied complexes could prevent the formation of the metal–ligand bond and slow down the rate of the substitution. The reactivity of pyridine is almost the ...
... the complexes with TLtBu ligand due to the bulk- iness of the inert tridentate ligands. Also, the presence of t-Bu groups on the terminal imadazole rings of TLtBu ligand significantly slow down the rate of the substitution. The order of reactivity of used ligands is: thiourea > I� > Br� > NO2 � > pyridine ...Aleksandar Mijatović, Jovana Bogojeski, Biljana Petrović, Živadin D. Bugarčić. "Substitution reactions of some novel sterically hindered monofunctional Pd(II) complexes" in Inorganica Chimica Acta, Elsevier BV (2011). https://doi.org/10.1016/j.ica.2011.11.031
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Процена ризика од загађивања водних ресурса под утицајем напуштених рударских радова на простору Србије
Nebojša B. Atanacković (2018-08-31)Велики број напуштених рударских радова и ограничена средства за рекултивацијуи ремедијацију деградираних простора подстакле су развој метода за издвајањеприоритетних локација на које је потребно усмерити даља истраживања. У датомконтексту, у склопу израде дисертације спроведене су научно-истраживачкеактивности које су за предмет имале анализу утицаја значајнијих напуштенихрударских радова на водне ресурсе на простору Србије јужно од Саве и Дунава.Разматрање предметне проблематике извршено је кроз развој и примену семи-квантитативне методологије за анализу ризика од загађивања површинских иподземних вода на регионалној размери. Примењена ...анализа ризика, водни ресурси, водна тела, рудничке воде, рударскиотпад, аналитички хијерархијски процеси, кластер анализа, математичка теоријаатрибута, функције припадности, семи-квантитативне методе... part of the work on the thesis, research activities were undertaken to assess the impact of major abandoned mining operations on water resources in Serbia, south of the Sava and Danube rivers. The subject matter outlined above was examined through the development and application of a sem ...
... дисертација RISK ASSESSMENT OF WATER POLLUTION CAUSED BY ABANDONED MINING OPERATIONS IN SERBIA ABSTRACT Numerous abandoned mining operations and limited funding for the recultivation and remediation of degraded soils have motivated the development of a method for prioritizing locations ...
... and environment agencies. The International Bank for Reconstruction and Development/The World Bank, Washington. 57. Franks D.M., Boger D.V., Côte C.M., Mulligan D.R. (2011) Sustainable development principles for the disposal of mining and mineral processing wastes. Resource Policy 36(2): 114-122. ...Nebojša B. Atanacković. "Процена ризика од загађивања водних ресурса под утицајем напуштених рударских радова на простору Србије" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2018-08-31)
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Еоценска фауна југозападног дела Сирт басена (Либија)
Љупко Рундић, Мери Ганић (2020)Љупко Рундић, Мери Ганић. "Еоценска фауна југозападног дела Сирт басена (Либија)" in Записници Српског геолошког друштва, Српско геолошко друштво (2020)
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The influence of Al<sup>3+</sup>ion on porcine pepsin activity<i>in vitro</i>
The in vitro effect of Al3þ ions in the concentration range 1.7·1026M–8.7·1023M on pepsin activity at pH 2, via kinetic parameters and its electrophoretic mobility was evaluated. Kinetic study demonstrated the existence of an activation effect of Al3þ at pH 2 on pepsin molecule. Kinetic analysis with respect to concentrations of haemoglobin showed that Al3þ ions increase the maximal velocity (Vmax) and kcat values rather than apparent affinity for substrate (KS) implying the non-competitive nature of activation which indicated ...... ions was of partial non-competitive type. Acknowledgements Especial thanks are due to N. Miljevic, Ph. D. and M. Stoiljkovic, Ph. D. from Vinca- Institute of Nuclear Sciences, Belgrade, Serbia for valuable discussions during the development of this paper. "This study is a part of Project No ...
... Activation of pepsin by Al * ions; The intercepts on the abscissa of the primary plot of [Hb]/V against reciprocal of activator concentrations provide the values of Aso used to obtain the plots of 1/Aso against vo/V shown in the inset. B, curve 2) contain characteristic bands of haemo- globin ...
... enzyme of gastric juice and as the best understood of 215 N -_ this family of proteinases it was used as a model to Asp located at· the centre of the b{ndmg cleft study related enzymes. As all aspartic proteinases between the domains. One of two Asp residues has to pepsin molecule consist of two ...Vesna M. Pavelkić, Kristina R. Gopcević, Danijela Z. Krstić, Marija A. Ilić. "The influence of Al3+ion on porcine pepsin activityin vitro" in Journal of Enzyme Inhibition and Medicinal Chemistry, Informa UK Limited (2008). https://doi.org/10.1080/14756360701841095
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Cutting Resistance Laboratory Testing Methodology for Underwater Coal Mining
... essential parts of the dredger, bucket wheel, and gearbox. Additionally, it was stated that the digging parameters representing the influence of hydrostatic water pressure on the coal mining process should be studied in detail. The lack of appropriate methodology has led to development of a specific research ...
... and instead of the second coal layer average depth of 50 m, a maximum depth of 60 m was employed (Figure 5). Figure 5. Schematic representation of the geological coal and gravel deposit, “Kovin”, with pressure changes with increasing depth. Minerals 2021, 11, 564 5 of 17 5. Methodology of Cutting ...
... vertical movement of the top of the sample is measured by a mechanical measuring device. The maximum of the vertical force was recorded when the samples started to fail. The results of the triaxial test for each confining pressure are shown in Figures 15 and 16 [30]. σ Figure 15. Results of triaxial compression ...Vladimir Čebašek, Veljko Rupar, Stevan Đenadić, Filip Miletić. "Cutting Resistance Laboratory Testing Methodology for Underwater Coal Mining" in Minerals, MDPI AG (2021). https://doi.org/10.3390/min11060564
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The external aggregation Newton's method for solving nonlinear equations and applications
Marija Paunović, Dejan Ćebić, Nebojša Ralević. "The external aggregation Newton's method for solving nonlinear equations and applications" in The University Thought - Publication in Natural Sciences, Centre for Evaluation in Education and Science (CEON/CEES) (2020). https://doi.org/10.5937/univtho10-24982
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Alpine thermal events in the central Serbo-Macedonian Massif (southeastern Serbia)
Milorad D. Antić, Alexandre Kounov, Branislav Trivić, Andreas Wetzel, Irena Peytcheva, Albrecht von Quadt (2015)Milorad D. Antić, Alexandre Kounov, Branislav Trivić, Andreas Wetzel, Irena Peytcheva, Albrecht von Quadt. "Alpine thermal events in the central Serbo-Macedonian Massif (southeastern Serbia)" in International Journal of Earth Sciences, Springer Science and Business Media LLC (2015). https://doi.org/10.1007/s00531-015-1266-z
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Strain partitioning in a large intracontinental strike-slip system accommodating backarc-convex orocline formation: The Circum-Moesian Fault System of the Carpatho-Balkanides
Nemanja Krstekanić, Liviu Matenco, Uroš Stojadinović, Ernst Willingshofer, Marinko Toljić, Daan Tamminga (2022)oroklini, raspodela deformacija, transkurentna kretanja, Karpato-balkanidi, Cirkum-mezijski rasedni sistem... Explanatory Book for Sheet Bela Palanka, Basic Geologic Map of SFRY 1: 100.000. Savezni geološki zavod, Belgrade. Weil, A.B., Sussman, A.J., 2004. Classifying curved orogens based on timing relationships between structural development and vertical-axis rotations. In: Sussman, A.J., Weil, A.B. (Eds ...
... Maţenco, 2017, Krstekanić et al., 2020, following the terminology of Schmid et al., 2020 and the results of this study). Red polygon is the location of Fig. 4, blue polygon marks the location of Figs. 6 and 8. Dark green lines show positions of cross-sections in Fig. 3. BaB – Babušnica Basin; BoB – Bozovici ...
... nappe-stack of the Carpatho- Balkanides orocline, including the Danubian nappes, and part of the adjacent Balkanides (Figs. 2 and 3). Typically, these large strike-slip faults are composed of multiple fault strands (e.g., area of Iron Gates gorge, between the Timok and Knjaževac Basins, NNW of the Pirot ...Nemanja Krstekanić, Liviu Matenco, Uroš Stojadinović, Ernst Willingshofer, Marinko Toljić, Daan Tamminga. "Strain partitioning in a large intracontinental strike-slip system accommodating backarc-convex orocline formation: The Circum-Moesian Fault System of the Carpatho-Balkanides" in Global and Planetary Change, Elsevier BV (2022). https://doi.org/10.1016/j.gloplacha.2021.103714
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Laboratory testing of fly ash
Fly ash is one of the most common waste materials created by burning of coal. It is composed of smaller particles, consisting mainly of aluminosilicate glass, mullite and quartz, which are collected by electrostatic separators (filter) of gaseous products arising from the combustion of coal. This paper presents the pozzolanic properties, mechanical properties, chemical and mineral composition of fly ash obtained in the combustion process in a power plant Nikola Tesla A (PPNT A) with the addition of a ...chemical composition, fly ash, mechanical properties, mineral properties, pozzolanic properties, X-ray diffraction... tensile strength (Brazilian experiment) applies primarily to stabilized bearing layers. The development of this method allows the parameter assessment, such as tensile strength, tensile deformation, modulus of elasticity, Poisson's ratio, at fail and other mechanical properties. For the experiment ...
... - the modulus of elasticity. The aim of research is to test the possibility of using the fly ash from PPNT A for making elements of road structures (top and bottom layers of the road). 2 Experimental 2.1 Mineral properties of fly ash Mineral properties of samples of fly ash from thermal ...
... the addition of a binder hydrated lime and cement. Tests were performed after 7 and 28 days in a humid environment with different amounts of extra binder: - samples without the addition of binders, - a sample with the addition of 2 % of binder, - a sample with the addition of 4 % of binder, - ...Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić. "Laboratory testing of fly ash" in Tehnički vijesnik (2016). https://doi.org/10.17559/TV-20150317171035
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Geonasleđe Golije i Peštera
Ljiljana V. Grujičić-Tešić (2017-09-01)Sprovedena istraživanja u ovoj studiji obuhvatila su izdvajanje, opis, evaluaciju i valorizaciju objekata geonasleđa u cilju razvoja istraživane oblasti sa stanovišta geonauka, geoturizma i geoekologije. Na izučavanom području objekti geonasleđa su evidentirani, interpretirani, vrednovani i kategorisani, dat je predlog promocije geoobjekata, i na kraju predložena dopuna inventara objekata geonasleđa Srbije.U protekle četiri godine, na kompleksu geotopa Golije i Peštera istražena su geološka svojstva stena (tip stene, starost, fosilni sadržaj, morfološke i hidrogeološke karakteristike itd.), na osnovu čega je bilo ...... 3) ABSTRACT: Investigations carried out during production of this thesis included selection, description, evaluation and valorization of geosites in order to support development of the studied area in the fields of geosciences, geotourism and geoecology. The geosites were registered ...
... PEŠTERA 167 Karamata, S. (2006): The geological development of the Balkan Peninsula related to the approach, collision and compression of Gondwana and Eurasian units. In: Robertson, A.H.F. & Mountrakis, D. (eds.): Tectonic development of the Eastern Mediterranean Region - Geol. Soc. London ...
... national estate assessment of geodiversity. 1997 Technical series. No. 2. Australian heritage commission & Environment forest taskforce. Environment Australia. Canberra. Eder W (1999): UNESCO geoparks - A new initiative for protection and sustainable development of the Earth´s heritage. N Jb Geol ...Ljiljana V. Grujičić-Tešić. "Geonasleđe Golije i Peštera" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2017-09-01)
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Stratigraphy and microfossils (radiolarians and planktonic foraminifers) of the Upper Cretaceous (upper Santonian–lower Campanian) Struganik limestone (Western Serbia)
Liubov G. Bragina, Nikita Yu. Bragin, Ludmila F. Kopayevich, Nevenka Đerić, Nataša Gerzina Spajić (2019)Liubov G. Bragina, Nikita Yu. Bragin, Ludmila F. Kopayevich, Nevenka Đerić, Nataša Gerzina Spajić. "Stratigraphy and microfossils (radiolarians and planktonic foraminifers) of the Upper Cretaceous (upper Santonian–lower Campanian) Struganik limestone (Western Serbia)" in Palaeoworld, Elsevier BV (2019). https://doi.org/10.1016/j.palwor.2019.05.001
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Kinetics, mechanism, and equilibrium studies of the reactions between a ruthenium(II) complex and some nitrogen- and sulfur-donor nucleophiles
Aleksandar M. Mijatović, Ratomir M. Jelić, Jovana Bogojeski, Živadin D. Bugarčić, Biljana Petrović (2013)Kinetika i mehanizam reakcija supstitucije između [Ru(trpi)(bpi)Cl]+ sa nukleofilima gvanozin-5′-monofosfatom, L-histidinom, tioureom i dimetilsulfoksidom proučavani su spektrofotometrijski u 0,1 M NaClO4 na 310 K. Red reaktivnosti za odabrane ligande je: tiourea > gvanozin-5′-monofosfat > L-histidin > DMSO. Ovaj red je povezan sa elektronskim, strukturnim i hemijskim karakteristikama kompleksa i nukleofila. Reakcija supstitucije sa tioureom je proučavana na tri različite temperature (288, 298 i 310 K). Negativna entropija aktivacije DS = potvrđuje asocijativni način aktivacije. Formiranje kompleksa [Ru(trpi)(bpi)H2O]2+ sa ligandima ...... Education, Science, and Technological Development of the Republic of Serbia, Project 172011. References 1. Reedijk J (1999) Chem Rev 99:2499 2. Wang D, Lippard SJ (2005) Nat Rev Drug Disc 4:307 3. Lippert B (1999) Cisplatin, chemistry and biochemistry of a leading anticancer drug. Wiley VCH, Zurich ...
... reciprocal of the estimated variance of the measurement. Wi ¼ 1=r2 ¼ 1=½r2E þ ðdE=dVÞ2r2V � ð8Þ where rE and rV are the estimated variances of the potential and volume readings, respectively. The quality of the fit was judged by the values of the sample standard deviation S and the goodness of fit v2 ...
... � Ž. D.Bugarčić � B. Petrović (&) Department of Chemistry, Faculty of Science, University of Kragujevac, R. Domanovića 12, PO box 60, 34000 Kragujevac, Serbia e-mail: biljanap@kg.ac.rs R. M. Jelić Faculty of Medical Sciences, University of Kragujevac, S. Markovića 69, 34000 Kragujevac, Serbia ...Aleksandar M. Mijatović, Ratomir M. Jelić, Jovana Bogojeski, Živadin D. Bugarčić, Biljana Petrović. "Kinetics, mechanism, and equilibrium studies of the reactions between a ruthenium(II) complex and some nitrogen- and sulfur-donor nucleophiles" in Monatshefte für Chemie - Chemical Monthly, Springer Science and Business Media LLC (2013). https://doi.org/10.1007/s00706-013-1044-1
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Tectonic evolution of the Vršac Mts. (NE Serbia): Inferences from field kinematic and microstructural investigations
The Vršac Mts. in NE Serbia represent the key area to investigate structural relations between the Northern Serbo-Macedonian Subunit and Supragetic Unit of the Dacia Mega-Unit. The geodynamic events during the Variscan orogeny in the Late Paleozoic colligated the two units and led to their metamorphic differentiation. The Late Cretaceous extension exhumed the medium-grade Serbo-Macedonian metamorphic rocks and structurally juxtaposed them against the low-grade metamorphosed basement of the Supragetic Unit along an E-dipping shear zone, which outcrops in the ...severna srpsko-makedonska subjedinica, supragetikum, kinematska analiza, multifazna ekstenzionalna deformacija... study was supported by the Minis- try of Education, Science and Technological Development of the Republic of Serbia. The authors acknowledge excellent comments and suggestions of Dr. Ioan Munteanu and an ano- nymous reviewer that improved the original version of the manuscript. The authors are grateful ...
... statistical analysis of poles to foliation shows foliation dip direction/dip maximum of SSMM 058/32° with a significant variability in Fig. 3. Simplified structural map of the Vršac Mts. with stereonet density plots of foliation poles and stretching lineation and stereonet projec- tions of dextral strike-slip ...
... low-grade metamorphosed basement of the Supragetic Unit along an E-dipping shear zone, which outcrops in the crystalline basement of the Vršac Mts. The subsequent Oligocene–Miocene extension, which led to the formation of the Pannonian Basin, overprinted the effects of earlier tectonic phases to a large ...Uroš Stojadinović, Nemanja Krstekanić, Bojan Kostić, Marija Ružić, Aleksa Luković . "Tectonic evolution of the Vršac Mts. (NE Serbia): Inferences from field kinematic and microstructural investigations" in Geologica Carpathica, Central Library of the Slovak Academy of Sciences (2021). https://doi.org/https://doi.org/10.31577/GeolCarp.72.5.3
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Towards Semantic Interoperability: Parallel Corpora as Linked Data Incorporating Named Entity Linking
U radu se prikazuju rezultati istraživanja vezanih za pripremu paralelnih korpusa, fokusirajući se na transformaciju u RDF grafove koristeći NLP Interchange Format (NIF) za lingvističku anotaciju. Pružamo pregled paralelnog korpusa koji je korišćen u ovom studijskom slučaju, kao i proces označavanja delova govora, lematizacije i prepoznavanja imenovanih entiteta (NER). Zatim opisujemo povezivanje imenovanih entiteta (NEL), konverziju podataka u RDF, i uključivanje NIF anotacija. Proizvedene NIF datoteke su evaluirane kroz istraživanje triplestore-a korišćenjem SPARQL upita. Na kraju, razmatra se povezivanje Linked ...paralelni korpusi, povezivanje imenovanih entiteta, prepoznavanje imenovanih entiteta, NER, NEL, povezani podaci, NIF, VikipodaciRanka Stanković, Milica Ikonić Nešić, Olja Perisic, Mihailo Škorić, Olivera Kitanović. "Towards Semantic Interoperability: Parallel Corpora as Linked Data Incorporating Named Entity Linking" in Proceedings of the 9th Workshop on Linked Data in Linguistics @ LREC-COLING 2024, Turin, 20-25 May 2024, ELRA and ICCL (2024)
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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... which can be of interest concerning luminescent properties of both polymorphs. Funding information The following funding is acknowledged: Ministry of Educa- tion, Science and Technological Development of the Republic of Serbia (contract No. 451-03-09/2021-14/200126); Ministry of Education, Science ...
... Science and Technological Development of the Republic of Serbia & Austria Federal Ministry of Education, Science and Research (project No. 451-03-02141/2017-09/14; WTZ project No. SRB 14/2018); Slovenian Research Agency (grant No. P2-0348); Czech Science Foundation (project No. 18-10504S). References ...
... bInstitute of Mineralogy and Petrography, University of Innsbruck, Innrain 52, Innsbruck, A-6020, Austria, cDepartment of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovica 3, Novi Sad, 21000, Serbia, dUniversity of Belgrade, Vinca ...Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petříček, Aleksandar Kremenović. "Low-temperature phase transition and magnetic properties of K3YbSi2O7" in Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, International Union of Crystallography (IUCr) (2021). https://doi.org/10.1107/S2052520621006077
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Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa
Mirjana V. Banković (2018-07-13)Profitabilna eksploatacija sve složenijih ležišta je težak zadatak koji zavisi odtemeljnog procesa analize, planiranja i projektovanja rudnika. Izvodljiv strateškiplan mora da zadovoljava društvena, regulatorna, tehnološka, geometrijska iekonomska ograničenja. Kako bi se postigao osnovni cilj, odnosno profitabilnost iodrživost rudarskog projekta na duži period, neophodno je unapređenjematematičkih modela i informatičke podrške procesima planiranja i optimizacijekoji će omogućiti efikasnu realizaciju ovih ciljeva...tehnološki model, integralni model, planiranje, optimizacija,utovarno-transportni sistem, neto sadašnja vrednost projekta... (1), 3-35. Pana, M., Carlson, T., 1966, Description of a computer technique used in mine planning of the Utah Mine of Kennnecott Copper Corp. 6th APCOM. Pavloudakis, F., Agioutantis, Z., 2001, Development of a software tool for the prediction of the coal blending efficiency in longitudinal stockpiles ...
... 35th APCOM Symposium-Application of Computers and Operations Research in the Minerals Industry, Proceedings, 371-380. Gy, P. M., 1981, A new theory of bed-blending derived from the theory of sampling—development and full-scale experimental check. International Journal of Mineral Processing, 8 (3), 201-238 ...
... wheel excavator: development-design-application. Vol.1 (2). Ravenscroft, P., 1992, Risk analysis for mine scheduling by conditional simulation. Transactions of the Institution of Mining and Metallurgy. Section A. Mining Industry, 101, 104-108. Roman, R., 1974, The role of time value of money in determining ...Mirjana V. Banković. "Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2018-07-13)
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Asbestos-Based Pottery from Corsica: The First Fiber-Reinforced Ceramic Matrix Composite
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 ...... spectra recorded on some spots of sample d (see Figure 1). References e o z a m s m s n 10. 11. 12. 13. Chawla, K.K. Composites Materials, Sciences and Engineering, 2nd ed.; Springer: New York, NY, USA, 1998. Evans, A.G.J. Perspectives on the development of high-toughness ceramics. J. ...
... The demonstration of the possibility of identifying, the residues of metallurgical use in archaeological shards opens a new field of research, as this type of analysis has only been conducted to assess potential domestic uses (food residues). Materials 2020, 13, 3597 14 of 18 4. Conclusions ...
... on of the mineral phases in amounts more than ca. 1%. 3.2. Evidence of Asbestos Fibers Visual and optical microscopic examination can easily detect the presence of long fibers: see in particular, in Figure 1, the right-hand side of sample d (close to the scale) and the top left-hand side of sample ...Philippe Colomban, Aleksandar Kremenović. "Asbestos-Based Pottery from Corsica: The First Fiber-Reinforced Ceramic Matrix Composite" in Materials, MDPI AG (2020). https://doi.org/10.3390/ma13163597
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Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation
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 ...... B J, Prikry1 R (2007) Diagnosing decay: the value of medical analogy in understanding the weathering: of building stones, Geological Society, London, Special Publications, 271, pp 1-8 Svahn H (2006) Final report for the research and development project non-destructive field tests in stone co ...
... repeating of cycles of dissolve, wetting-drying and freeze-thaw caused continual increas- ing intensities of decay and very heavy damage in different forms of loss of stone materials (surface recession, relief, and outburst). The present state of the gate is result of the complex action of the ...
... rising velocity of decay pro- cesses. All of these sources of moisture/water caused dissolution of poorly cemented algal rudstone and sparite cement of grainstone. It resulted in crumbling, granular disintegration, or occurring of thin white crust on stone surface as consequence of redeposited ...Maja Franković, Nevenka Novaković, Vesna Matović. "Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation" in Environmental Earth Sciences, Springer Science and Business Media LLC (2015). https://doi.org/10.1007/s12665-014-3843-z
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Effects of external noise on threshold-induced correlations in ferromagnetic systems
Dragutin Jovković, Sanja Janićević, Svetislav Mijatović, Lasse Laurson, Đorđe Spasojević. "Effects of external noise on threshold-induced correlations in ferromagnetic systems" in Physical Review E, American Physical Society (APS) (2021). https://doi.org/10.1103/PhysRevE.103.062114