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1363 items
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Tehnologija izrade i opremanje magacina eksploziva za potrebe ležišta bakra
Aleksandar Milojević (2024)Nakon radova otvaranja i početka eksploatacije, rudno telo bakra velikih rezervi zahteva i veliku količinu eksploziva da bi se ostvario zacrtan kapacitet. Samim tim, neophodno je izraditi funkcionalan magacin eksploziva koji će biti pristupačan svim horizontima i koji će moći da ispuni celokupni kapacitet svih horizonata. Obzirom da će se u magacinu skladištiti eksploziv, on mora ispunjavati specijalne uslove kako bi skladištenje bilo bezbedno. Neophodno je isprojektovati magacin tako da ispuni sve zahteve po pitanju količine i načina skladištenja eksploziva, ...... bn a | r m Zi|wva S O Š Š a | = | < + - R-i-i d% | R 9 4 5| bp ubusabi = . B | 8 | a | — — . | E - m „ “ \ m | ~ | ~ | < + | - ~ s | s | S | k s > s | S | , 5 8 | c SS|R B 5 M „ m i z a b c C B b = H K C H E " i Z = I R A S | ...
... sS| O a Š|SZ| SS Z oO E |a| %_| ŠBI m E R— 50655 E Š |Blo8 ŠSŠ oS8BEŠ R ZR o MZ BO o ĐRE|kSM5 E SB| G s | EZ M B| 5 EB | P|GOB| Č O BJ i ž | E o lB P IE Š 0I Š | MI g e 580 |0 s > 5 IO N e E Ve Ls Vv V t Qau Tu Tu N dng n Bum dnu Bem m? mš m km/h | m* | min | m*/h | min h kW l/h l/m 1/h I//m | ...
... = N i S C Z l a q | - % o|.5 - H S i - | i = = v m & o s a | a q Ri N o |= |} = = o % : |2i % Š = Pp Đ = B E I S m d « s | ZI R B J R + o |a_|o|g [::| V . m m m . | .Ž ; [5] Z Š M u e l w | S ] T a N M O U 46 Na slici ...Aleksandar Milojević. Tehnologija izrade i opremanje magacina eksploziva za potrebe ležišta bakra, 2024
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Утицај обртног магнетног поља на дерацемизацију кристала натријум-хлората
... Panis, J. H. T. Horst, T. V. Gerven, G. D. Stefanidis, Crysf. Growth Des., 15 (2015) 5476–5484. [4] K. Suwannasang, A. E. Flood, C. Rougeot, G. Coquerel, Cryst. Growth Des., 13 (2013) 3498—3504. [5] M. M. Milojević, B. M. Vučetić, B. Z. Maksimović, O. R. Klisurić, M. M. Mitrović, A. A. Žekić, 4CS ...
... Panis, J. H. T. Horst, T. V. Gerven, G. D. Stefanidis, Crysf. Growth Des., 15 (2015) 5476–5484. [4] K. Suwannasang, A. E. Flood, C. Rougeot, G. Coquerel, Cryst. Growth Des., 13 (2013) 3498—3504. [5] M. M. Milojević, B. M. Vučetić, B. Z. Maksimović, O. R. Klisurić, M. M. Mitrović, A. A. Žekić, 4CS ...
... Ops3uHawma 200, 400 a 1000 ob/min noMHHaHrHuH cy Kpuicrajm L – opHjeHTauuje, JIOK Cy mpuH Op3uHu 600 ob/min noMuHaHrHu kpucrajn D – opujeHratnuje. PegnynreHcka crpyKTypHa aHaja je moKanama a BenMuMHa mapaMcTpa KpHcTaJIHC pemterKe JOoOHjeHHX KpHcTaja Hec 3aBHCH OJL bHXOBC opujerauuHje H Op3HHe porTanje ...М. Милојевић, А. Жекић, П. Дабић, Б. Вучетић, Б. Максимовић. "Утицај обртног магнетног поља на дерацемизацију кристала натријум-хлората" in XXVII конференција Српског кристалографског друштва, Чачак, 14-15. јун, 2023., Београд : Српско кристалографско друштво (2023)
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Age of the Jurassic hemipelagic sediments from the Ljubiš area (Zlatibor Mt., SW Serbia)
Nikita Bragin, Nevenka Đerić (2020)... sp. A sensu O’Dogherty, Goričan & Gawlick, 2017 R Praewilliriedellum sp. C C Hsuum sp. cf. H. matsuokai ISOZAKI & MATSUDA R Praewilliriedellum convexum (YAO) C Parahsuum sp. cf. P. izeense (PESSAGNO & WHALEN) C Parahsuum sp. R Takemuraella veghae (GRILL & KOZUR) R R Hsuum sp. cf. H. baloghi ...
... M., DJERIĆ, N., GARFAGNOLI, F., HRVATOVIĆ, H., KRSTIĆ, M., LEVI, N., MALASOMA, A., MARRONI, M., MENNA, F., NIRTA, G., PANDOLFI, L., PRINCIPI, G., SACCANI, E., STOJADINOVIĆ, U. & TRIVIĆ, B. (2011): The Geology of the Zlatibor-Maljen area (Western Serbia): A Geotraverse across the Ophiolites of the ...
... matsuokai (SASHIDA); G – Eucyrtidiellum sp. cf. E. unumaense s.l. (YAO); H – Quarticella sp.; I – Parvimitrella sp.; J – Campanomitra? sp. A sensu O’DOGHERTY, GORIČAN & GAWLICK, 2017; K – Praewilliriedel- lum sp.; L – Hsuum sp. cf. H. matsuokai ISOZAKI & MATSUDA; M – Praewilliriedellum convexum (YAO); N ...Nikita Bragin, Nevenka Đerić. "Age of the Jurassic hemipelagic sediments from the Ljubiš area (Zlatibor Mt., SW Serbia)" in Geologia Croatica, Croatian Geological Survey (2020). https://doi.org/10.4154/gc.2020.11
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Antioxidant and antimicrobial activity of some tetradentate Schiff bases and their Cu (II) complexes
Aleksandar Mijatović, Milan Nikolić, Snežana Spasić, Aleksandra N. Žerađanin, Kristina Joksimović, Aleksandar Lolić, Rada Baošić (2020)Šifove baze i njihovi Cu(II) kompleksi su poznati po svojoj biološkoj aktivnosti. U ovom radu proučavana je antibakterijska aktivnost protiv gram-negativnih sojeva Escherichia coli, Pseudomonas aeruginosa i Staphilococcus piogenes, kao i Gram-pozitivnih Staphilococcus piogenes i Pseudomonas aeruginosa, zajedno sa antifungalnim dejstvom protiv Musperg strainilusa, A. Takođe, tehnički jednostavni i brzi testovi kao što su ABTS, HORAC i ORAC korišćeni su za ispitivanje antioksidativne aktivnosti kako bi se uporedili dobijeni rezultati sa različitim tipovima testova. Uprkos tome što je princip ...Aleksandar Mijatović, Milan Nikolić, Snežana Spasić, Aleksandra N. Žerađanin, Kristina Joksimović, Aleksandar Lolić, Rada Baošić. "Antioxidant and antimicrobial activity of some tetradentate Schiff bases and their Cu (II) complexes" in XIII Conference of Chemists, Technologists and Environmentalists of Republic of Srpska, University in Banjaluka, Faculty of Technology (2020)
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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 ...... pressure, obtained is a gas or gas mix- ture that consists of CO, CO», and H», and at elevated pressures and temperatures (in particular with the current UCG systems), CH, is also present. Generated gas mixture is similar to natural gas. If a vapor-oxygen mixture is used as a gasification agent instead ...
... The coal layer is usually ignited by inserting a hot coke through the borehole and blowing the low pressure air. Instead of firing coal layer with the coke at high temperatures, a – — —- 225 – — — Product gas W j ii manifold 75 75 i 75 H ' · H I Drilling -—Q - and preparing || ' Row5 ...
... Year 2019, Vol. 23, No. 6B, pp. 4067-4081 — wWworking pressure 50 bar and — capacity up to 50000 mš of gas/h, or a fracturing plant that could be leased if its procurement would represent a significant burden on the projected investment [9]. The following parameters of air must be provided for ...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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Mine surveying works for the purpose of excavating the remaining reserves of bauxite in the deposit of “Podbracan”
... calculated by using the equation (10). Calculate the standard deviation of el- evation points E420-10 is σ H = 0.107m. 7. Conclusion Standard deviations of given param- eters and a priori adopted standard devia- tions for setting out of direction angles and horizontal lengths cause the ...
... position of the last point E420-10. The deviation of the last point E420-10 within the vertical plane, obtained by the a priori accuracy as- sessment, is 240 10 0.107m, E H σ − = which is approximately 1/3 smaller than the maximum allowable tolerance. The impact of setting out the zenith ...
... equations (Schofield & Breach, 2007): 1 1 1 1 1 tan i i i i i i i i i d H H H H i l z − − − − − = + Δ = + + − Whereby: H i - the level of the last point set out; H i-1 - the level of the previously set out point; ∆H i i-1 - the altitude difference be- tween points; d i i-1 - the horizontal ...Aleksandar Milutinović, Aleksandar Ganić, Thamer Rayes Diyab, Rade Tokalić, Meri Ganić. "Mine surveying works for the purpose of excavating the remaining reserves of bauxite in the deposit of “Podbracan”" in Revista Escola de Minas, School of Mines Magazine, Sao paulo, Brasil : SciELO (2015)
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Tehnologija izrade jamskog magacina eksploziva i eksplozivnih sredstava
Sara Nikolić (2024)Završni rad sa temom „Tehnologija izrade jamskog magacina eksploziva i eksplozivnih sredstava” sastoji je iz opšteg dela i specijalnog dela. U opštem delu prikazani su : geologija ležišta, određivanje kapaciteta magacina eksplozivnih sredstava, lokacija i opis magacina. U specijalnom – drugom delu ovog završnog rada prikazani su: potrebni proračuni, tehnologija izrade magacina, predmer i predračun radova, normativi materijala, energije i radne snage, organizacija i dinamika izvodjenja radova. Prilikom izrade završnog rada, uz primenu svih propisa vezanih za ovu oblast, korišćene su ...... rraTH KODČKTHO HaBCJIĆČHH H • a HHCaM Kpmmo/na ayTopcKa npaBa H KOpHcTHO/a HHTeJIČKTyaJIHy CBOJHHy JIpyrHx Jmuama. V Beorpany, IIornuc cryneHra Ob0pasau 2 H3JABA O HCTOBETHOCTH IHITAMITIAHE H EJIEKTPOHCKE BEP3MHJE 3ABPIIHOT PAJIA MHwe (uMe poyjmureJba) H Ipe3uMe cryneHra: · Capa(HeOojma) ...
... sa sledećim dimenzijama: svetla širina b=2,0 (2,2)m, visina h=2,5 m i dužina L=3,0 m. OK-5, koja je locirana naspram Komore za eksploziv (KE) i ima dimenzije b=3,1 m, h=2,5m i L=3m. Na slici br. 4.2. date su lokacije i položaj OK, a na slici br. 4.5. dimenzije i poprečni profil OK-1, OK-2, OK-7 ...
... slikama br. 6.1. – 6.3. Presek A-A Slika br. 6.1. Raspored minskih bušotina i šema paljenja za prostorije S„=4,7-5,15m? 29 PreseekC-C ——-C PresekD-D 6.37m? Šotina i šema paljenja za prostorije S.= Slika br. 6.2. Raspored minskih bu. PresekE -E 7.07m? h bušotina i šema paljenja za prostorije ...Sara Nikolić. Tehnologija izrade jamskog magacina eksploziva i eksplozivnih sredstava, 2024
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FTIR spectroscopic study оf S-мetolachlor сorption оn inorganic and organically modified montmorillonite from Bogovina
... ||gi a)ž 2nd dervate Š | b) JI š š |} š ii s e š H || i š } ž Š | e š - H H 1 a Fi i i NMA 41 “0 — s%0 ~ 300 ~ 3%0 __3MO _1%O0 _ 4M00 00 400 30 3000 3800 2000 Wavenumber (cm') Wavenumber (cm') šžg C), &h ı NA d) . HDTMA š A OE ii |} “ LIJPI | Mig ~FML_R “ š |- L šš s i s BOA A H || ...
... montmorillonite is a-x: bonding between benzenc the ring of the herbicide and aromatic ring of the PTMA+ cation (Majdan et al., 2009). Si Si Si Si Si [0] [0] [*] O [\ o “ H·r | | a H'\O/H |JE CH OH /0 ..... I} i H CHy- N ............... CH; OJ O OE J OM u OOM D OJ a ) O O 240 e O ...
... || s|--38 8 P A g s - | „ihi š š - | || +NM a 3i af Š | 5 š [ IB || P || \8 ti o E \, 8 \ i 33 MA š šš ž B NaM EE “0 300 200 100 1500 1000 Wavenumber {cm ) Wavenumber {cm ') š 18p f) PTMA |j | |ž š \|E a E 13 i - PMV A | i n g"VA/B i g .| š P E Hi )s i . H | Š PONE! š i || || š ...Lazar Kaluđerović, Zorica Tomić, Jelena Bogosavljević, Ljubomir Životić, Maja Milošević. "FTIR spectroscopic study оf S-мetolachlor сorption оn inorganic and organically modified montmorillonite from Bogovina" in Book of Proceedings / 3rd International and 15th National Congress Soils for Future Under Global Challenges, 21-24 September 2021 Sokobanja, Serbia , Belgrade : Serbian Society of Soil Science (2021)
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Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach
Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2021)Poor water solubility of new chemical entities is considered as one of the main obstacles in drug development, as it usually leads to low bioavailability after administration. To overcome these problems, the selection of the appropriate formulation technology needs to be based on the physicochemical properties of the drug and introduced in the early stages of drug research. One example of the new potential drug substance with poor solubility is DK-I-60-3, deuterated pyrazoloquinolinone, designed for the treatment of various neuropsychiatric ...... received S5 in fed conditions. The test formulations were administered orally via a gastric probe in a volume of 5 mL/kg (the administered dose was 10 mg/kg). At predetermined time points (15 min, 1 h, 4 h, 8 h, 16 h, and 36 h) after administration, animals were anes- thetized by ketamine hydrochloride (90 ...
... after nanosuspension and solution, the concentrations 36 h after administration were a little elevated as well, compared to the concentrations in the 16 h time point. On the other hand, in Knutson et al. [12], the concentrations in the brain at the 24 h time point after intravenous and oral administration ...
... vortexed for 24 h. Samples were then centrifuged, supernatant diluted by isopropanol, and DK-I-60-3 concentration determined by LC-MS/MS. Melt-Quenching For this analysis, around 2 mg of the unprocessed substance was heated to 330 ◦C, with a heating rate of 20 ◦C/min, then cooled to 25 ◦C with a cooling rate ...Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić. "Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach" in Pharmaceutics, MDPI, Basel, Switzerland (2021). https://doi.org/10.3390/pharmaceutics13081188
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Influence of paleoenvironmental conditions on distribution and relative abundance of saturated and aromatic hydrocarbons in sediments from the NW part of the Toplica basin, Serbia
Nikola Burazer, Aleksandra Šajnović, Nebojša Vasić, Milica Kašanin-Grubin, Dragana Životić, João Graciano Mendonça Filho, Predrag Vulić, Branimir Jovančićević (2020)Nikola Burazer, Aleksandra Šajnović, Nebojša Vasić, Milica Kašanin-Grubin, Dragana Životić, João Graciano Mendonça Filho, Predrag Vulić, Branimir Jovančićević. "Influence of paleoenvironmental conditions on distribution and relative abundance of saturated and aromatic hydrocarbons in sediments from the NW part of the Toplica basin, Serbia" in Marine and Petroleum Geology, Elsevier BV (2020). https://doi.org/10.1016/j.marpetgeo.2020.104252
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A tool for identifying the criticality in the disordered systems with metastable dynamics
Svetislav Mijatović, Dragutin Jovković, Sanja Janićević, Stefan Graovac, Đorđe Spasojević. "A tool for identifying the criticality in the disordered systems with metastable dynamics" in Physica A: Statistical Mechanics and its Applications, Elsevier BV (2021). https://doi.org/10.1016/j.physa.2021.125883
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Quantitative analysis of syllable properties in Croatian, Serbian, Russian, and Ukrainian
Biljana Rujević, Marija Kaplar, Sebastijan Kaplar, Ranka Stanković, Ivan Obradović, Jan Mačutek (2021)Biljana Rujević, Marija Kaplar, Sebastijan Kaplar, Ranka Stanković, Ivan Obradović, Jan Mačutek. "Quantitative analysis of syllable properties in Croatian, Serbian, Russian, and Ukrainian" in Language and Text: Data, models, information and applications, John Benjamins Publishing Company (2021). https://doi.org/10.1075/cilt.356.04ruj
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A necessary and sufficient condition for an algebraic integer to be a Salem number
Dragan Stankov (2019)We present a necessary and sufficient condition for a root greater than unity of a monic reciprocal polynomial of an even degree at least four, with integer coefficients, to be a Salem number. This condition requires that the minimal polynomial of some power of the algebraic integer has a linear coefficient that is relatively large. We also determine the probability that an arbitrary power of a Salem number, of certain small degrees, satisfies this condition.Algebraic integer, the house of algebraic integer, maximal modulus, reciprocal polynomial, primitive polynomial, Schinzel-Zassenhaus conjecture, Mahler measure, method of least squares, cyclotomic polynomialsDragan Stankov. "A necessary and sufficient condition for an algebraic integer to be a Salem number" in Journal de theorie des nombres de Bordeaux (2019). https://doi.org/10.5802/jtnb.1076
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Procena poroznosti i litologije na osnovu geofizičkih merenja u severoistočnoj Rumuniji
Manja Grifatong (2024)Geofizička karotažna merenja imaju važnu ulogu u određivanju fizičkih i geoloških svojstava delova Zemljine kore. Cilj ovog rada je da se prikaže procena poroznosti i litoloških karakteristika formacije na osnovu rezultata geofizičkih karotažnih merenja. Na osnovu dostupnih podataka izrađeni su dijagrami promene poroznosti sa dubinom i krosplot dijagrami neutronska poroznost – srednja gustina za dve bušotine koje se nalaze na Moldavskoj platformi, u severoistočnoj Rumuniji. Na osnovu ovih dijagrama određene su zone povećane poroznosti i litologija formacija kroz koje ...... pcyayjraTH KOpČKTHO HaBCJIĆHH H • a HHCaM Kpimiio/na ayTopcka ripaBa H KOpHcTHO/a HHTeCJIČKTyaJIHy CBOJHHy JIpyrHx numa. V BeorpaJy, 9.2024. IIornuc cryneHra Oo0pasau 2 H3JABA O HCTOBETHOCTH IHITAMITAHE H EJIEKTPOHCKE BEP3MHJE 3ABPIIHHOT PAJIA MHwe (HMe pojiHTe)ba) H Ipe3HMe cryhcHra ___Mama ...
... MHwe H ripe3HMe cryneHra __Mama I pgdbaToHr Bpoj aHneKca _ F602/23 MHyjaBJbyjeM Jla je 3aBPpIHĆHH P4aJI 0J1 HACJIOBOM IIponeHa nopo3HocTH H JIHTOJIOrHje Ha OCHOBy TeO()H3HuKHX KapoTa;KHHX MepeMba y CeBepoHcTOuHoj PyMyHHjH • poc3ayjrraT COIICTBECHOT HcTPpa;KHBauKor Ppajlta; • a 3aBpHIHH ...
... BY-ND) P A 0 G A i AyTOpcTBO — JeJIHTH IOJ HCTHM ycJ1OBHMa (CC BY-SA) (3aokpyotcume caMo JeOHy oO uecm noHyleHux nuyeHuu. Kpamak onuc nuueHuu je cacmasHu Oeo o6e u3jase.) V Beorpany, 9.2024. IIornuc MeHropa IIornuc crynenra AyTOpcTB0. Jlo3BoJbaBaTe yMHoO;KaBabe, JHCTpHOynuHjy H jaBHo ...Manja Grifatong. Procena poroznosti i litologije na osnovu geofizičkih merenja u severoistočnoj Rumuniji, 2024
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Osnovi hidrogeologije
Petar Dokmanović (2021)... hidroizohipse, a smer je od hidroizohipsi sa višim apsolutnim visinama, ka nižim. Hidraulički gradijent (I) dobija se iz odnosa: I = H - H L B A B-A (10.1.1.1) gde su: HA, HB - kote nivoa PV (m) u tačkama A i B (slika 10.1.1.3.a); LB-A - horizontalno ...
... CO g + HS + H O Generacija metana: ( )3 1 1 4 8 82 2 4 H O = CO g + CH Oksidacija gvožđa: ( ) ( ) ( )2+ +1 4 2 2 3 Fe + O g + 5 H O = Fe OH s + 2H Oksidacija sulfida: ( ) ( ) 2- +1 1 1 1 8 4 8 42 2 4 H S g + O g = SO + H Nitrifikacija (a): ( )+ - +1 1 1 1 1 6 4 6 3 64 2 2 2 NH + O g = ...
... izražava se u promilima (‰) odstupanja od (V)SMOW-a i iskazuje kao δD za deuterijum, odnosno, δ18O, za teški kiseonik-18, preko sledećih odnosa: ( ) − δ = ⋅ 1 1 uzorka vsmow 1 vsmow D D H H D ‰ 1000 D H ...Petar Dokmanović. Osnovi hidrogeologije, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
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Upper Miocene depositional environments of the Kikinda-Mokrin High (Serbia)
Saša Ivanišević, Dejan Radivojević (2018)Exploration for oil and gas in mature areas, such as the Pannonian Basin, can benefit from reexamination of old data using more advanced modern workflows that focus on the temporal and spatial aspects of sediment deposition. Specifically, we apply a new environment of deposition model that interprets the Upper Miocene- Pliocene sediments as being deposited in a rapidly filling basin characterized by quick shelf edge progradation from the northwest toward the southeast. Reconstruction of this shelf edge trajectory reveals ...Saša Ivanišević, Dejan Radivojević. "Upper Miocene depositional environments of the Kikinda-Mokrin High (Serbia)" in Interpretation, AAPG SEG (2018). https://doi.org/10.1190/INT-2017-0084.1
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Curcumin nanonization using an alternative small-scale production unit: selection of proper stabilizer applying basic physicochemical consideration and biological activity assessment of nanocrystals
Ines Nikolić, Jelena Antić-Stanković, Dragana Božić, Danijela Ranđelović, Bojan Marković, Dominique Jasmin Lunter, Aleksandar Kremenović, Miroslav Savić, Snežana Savić (2020)As the number of poorly soluble drugs is increasing, nanocrystals have become very interesting due to wide range of application possibilities. Curcumin was used as a model active ingredient in this work. Even though it has many proven positive effects, due to its physicochemical issues, its possibilities have not been fully exploited. The goal of this work was to select optimal conditions for a top-down method for curcumin nanosuspension production, and to perform their comprehensive characterization applying complementary methodologies: ...Ines Nikolić, Jelena Antić-Stanković, Dragana Božić, Danijela Ranđelović, Bojan Marković, Dominique Jasmin Lunter, Aleksandar Kremenović, Miroslav Savić, Snežana Savić. "Curcumin nanonization using an alternative small-scale production unit: selection of proper stabilizer applying basic physicochemical consideration and biological activity assessment of nanocrystals" in Review on advanced materials science, Walter de Gruyter GmbH (2020). https://doi.org/10.1515/rams-2020-0043
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Remontni radovi u bušotini sa dubinskom pumpom
Jovana Milošević (2024)Remontni i stimulativni radovi u naftnom inženjerstvu su radovi koji se primenjuju na bušotinama koje su već u proizvodnji ili potencijalno proizvodnim bušotinama, i u zavisnosti od toga imaju različitu svrhu. Remontni radovi predstavljaju sve radove koji su ograničeni na kanal bušotine, dok se stimulativni radovi odnose pribušotinsku zonu.U prvom slučaju remontni i stimulativni radovi kod proizvodnih bušotina služe za otklanjanje problema i povećavanje proizvodnje bušotine. Dok u drugom slučaju, kod potencijalnih bušotina su ovi radovi namenjeni završnim obradama ...... pe3yjrrarH KODČKTHO HaBCJIĆHH H • a HHCaM Kprio/a ayToOpcka IipaBa H KOpHcTHO/Ta HHTeJIČKTyaJIHy CBOJHHy JIpyrHx mama. 'N Beorpany, IIornuc crynenHra 49 O0pasau 2 H3JABA O HCTOBETHOCTH IITTAMIIAHE H EJIEKTPOHCKE BEP3HJE 3ABPIHHOT PAJIA Me (HMe po}iHreJba) H ripe3uMe cryeHTa Jovana Đorđe ...
... cementna obloga Začepljenje tubinga 22 6. PROGRAMIRANJE REMONTNIH RADOVA U NAFTNIM I GASNIM BUŠOTINAMA P R O G R A M I R A N J E R E M O N T N I H R A D O V A Izbor odgovarajućeg remontnog postrojenja Analize definisanog problema koji treba eliminisati Analiza prethodnih remontnih ...
... ypabeH Ho); MEHTODCTBOM (uwe, npesuwe u 36atbe) a3a JlHrHTaJiHH penmo3HTOpH]JyM 3aBpIHHHX pajnoBa PI'OD-a. HOTBpI[a cc I/I?)Haje 3a HOTPCČČ OI[CJ'I)CH)B. 3a CTyJIČHTCKa H HacTaBHa IIHTaMa H HC MO;KC CC KOpHcCTHTH y JIpyre cCBpxe. 'N Beorpany, Bu0OuuoreKap 53 ...Jovana Milošević . Remontni radovi u bušotini sa dubinskom pumpom, 2024
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Rezultati ispitivanja parametara čvrstoće i dinamičkih svojstava mermera i mogućnost njihove korelacije
Ispitivanja stena kao radne sredine, odnosno materijala sa kojim se gradi, na kome se gradi i u kome se gradi, svojom složenošću zahteva njeno svestrano izučavanje po velikom broju parametara. Zadatak Mehanike stena je da što bolje upozna ponašanje stenske mase i njenu otpornost na dejstvo pritiska, zatezanja i smicanja, kao i dinamičkih svojstava. Poznavanje navedenih parametara i njihova korelacija omogućavaju pouzdaniji izbor parametara za projektovanje danas sve zahtevnijih uslova kako podzemne, tako i površinske eksploatacije. U ovom radu ...mermer, jednoosna čvrstoća na pritisak, čvrstoća na istezanje, brzina longitudinalnih elastičnih talasa, korelacijaJelena Majstorović-Necković, Vladimir Čebašek, Veljko Rupar. "Rezultati ispitivanja parametara čvrstoće i dinamičkih svojstava mermera i mogućnost njihove korelacije" in 11. Međunarodna konferencija “Ugalj i kritični materijali" CCM 2023, Zlatibor, 11-14. oktobar 2023., Beograd : Jugoslovenski komitet za površinsku eksploataciju (2023)
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Model predviđanja potresa od miniranja na površinskim kopovima primenom simulacione metode Monte Karlo i fazi logike
Milanka N. Negovanović (2015-06-30)Modeliranje predviđanja potresa tla od miniranja primenom fazi logike i metode MonteKarlo zasnovano je na podacima dobijenim terenskim merenjima potresa uzrokovanihminiranjem. Promenljive modela definisane su analizom parametara bušenja i miniranjaminskih serija, kao i velosigrama izmerenih potresa od miniranja. Iskorišćene suprednosti fazi logike u implementaciji mnogo većeg broja ulaznih i izlaznih veličina zamodeliranje u odnosu na postojeće empirijske modele. Na osnovu identičnih podataka,dobijen je regresioni model predviđanja potresa, da bi se izvršilo testiranje novogmodela. U cilju povećanja pouzdanosti modela predviđanja, ...model, predviđanje potresa, miniranje, površinski kop, Monte Karlo, fazilogika, regresiona analiza, FFT analiza, spektri odziva, pomeraj pukotina... 160 180 M a k s im a ln o š ir e n je i s k u p lj a n je o b e p u k o ti n e ( μm ) 14 .0 8. 15 :2 8h -1 5. 08. 5 :3 2 h 15 .8 . 6 :3 2 h – 15. 8. 1 5:3 0 h 17 .8 .2 0:1 2 h -1 8. 8. 4: 48 h 16 .8 . 8 :4 4 h- 16 .8 . 19: 12 h 20 .8 ...
... 2010 u 16:12 h do 24.09.2010. u 05:17 h od 150 μm, a maksimalno širenje od 16.09.2010. u 06:59 h do 16.09.2010. u 14:15 h od 147 μm. Maksimalno skupljanje pukotine 2, zabeleženo je od 22.09.2010. u 17:46 h do 23.09.2010. u 07:38 h i od 23.09.2010. u 19:43 h do 24.09.2010. u 07:38 h i iznosilo je ...
... u 14:42 h do 5.11.2010. u 4:52 h od 174 μm, dok je maksimalno širenje pukotine zabeleženo od 4.11.2010. u 8:12 h do 4.11.2010. u 14:22 h od 164 μm. Maksimalno skupljanje pukotine 2 zabeleženo je od 31.10. u 19:10 h do 1.11. 2010. u 7:48 h od 42 μm, a širenje od 30.10.2010. u 10:08 h do 30.10.2010 ...Milanka N. Negovanović. "Model predviđanja potresa od miniranja na površinskim kopovima primenom simulacione metode Monte Karlo i fazi logike" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-06-30)