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4762 items
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In-vitro ispitivanje interakcija dva strukturno slična Rh(III) kompleksa Šifovih baza sa HSA/DNK i molekulski doking
Aleksandar Mijatović, Ljubica Bacetić, Nikola Pavlović, Dušan Ćoćić, Milan Nikolić, Aleksandar Lolić, Rada Baošić (2021)Kompleksi metala sa tetradentatnim Šifovim bazama ispoljavaju različitu biološku aktivnost, što omogućava ciljne sinteze novih biološki aktivnih jedinjenja. Proučavane su interakcije H[Rh(acac2en)Cl2] (1) i H[Rh(phacac2en)Cl2] (2) sa humanim serum albuminom (HSA) i sa DNK, primenom fluorescentne i UV-Vis spektroskopije (298 K, pH 7,4). Dobijene su relativno visoke vrednost dinamičke konstante vezivanja (Ksv) i to 3,88·104 M-1 za (1), 7,02·104 M-1 za (2), što ukazuje na značajno vezivanje za HSA. Izračunate konstante unutrašnjeg vezivanja (Kb) su: 2,87·105 M-1 ...Aleksandar Mijatović, Ljubica Bacetić, Nikola Pavlović, Dušan Ćoćić, Milan Nikolić, Aleksandar Lolić, Rada Baošić. "In-vitro ispitivanje interakcija dva strukturno slična Rh(III) kompleksa Šifovih baza sa HSA/DNK i molekulski doking" in 57. savetovanje Srpskog hemijskog društva , Dušan Sladić (2021)
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Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes
... catchment area 5 1 1 + 0 + 1 + 0 + 0 + 1 15 5 Larger permanently destroyed area 2 3 1 + 1 + 1 + 1 + 1 + 1 36 6 Irregular treatment of mine waters 5 3 1 + 0 + 1 + 1 + 0 + 1 60 7 Improper tailings disposal 5 1 1 + 1 + 1 + 1 + 0 + 1 25 8 Dust emission during tailings disposal 4 2 1 + 1 + 0 + 1 + 0 + 0 24 9 ...
... into surrounding soil 3 2 1 + 0 + 0 + 1 + 0 + 1 18 21 Incomplete coal combustion 1 3 1 + 1 + 0 + 0 + 1 + 1 12 22 Irregular replacement of air purification filters 1 3 1 + 1 + 0 + 0 + 1 + 1 12 23 Exceeded air pollutant emission and immission limit values 5 3 1 + 1 + 0 + 0 + 1 + 1 60 24 Release of untreated ...
... water 5 3 1 + 0 + 1 + 1 + 0 + 1 60 33 Dam failure and flowing of water and ash into the recipient 1 3 1 + 0 + 1 + 1 + 1 + 1 15 34 Heavy metal emission into the surrounding soil 5 3 1 + 0 + 1 + 1 + 0 + 1 60 35 Emission of solid particles and gases during spontaneous combustion of coal 2 3 1 + 1 + 0 + 0 ...Jelena Malenović Nikolić, Dejan Vasović , Ivana Filipović , Stevan Mušicki, Ivica Ristović . "Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes" in Energies (2016). https://doi.org/https://doi.org/10.3390/en9121071
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Evaluation And Perspectives Of Underground Coal Mines In Serbia
... Pairwise comparison matrix of criteria C1 C2 C3 C4 C5 C6 C7 C1 1 2 3 1 1 2 4 C2 0.5 1 0.5 0.5 0.5 0.5 0.5 C3 0.33 2 1 0.33 0.33 0.5 2 C4 1 2 3 1 1 3 2 C5 1 2 3 1 1 2 2 C6 0.5 2 2 0.33 0.5 1 1 C7 0.25 2 0.5 0.5 0.5 1 1 Table 5. Normalized pairwise comparison matrix C1 ...
... C2 C3 C4 C5 C6 C7 Vrška Čuka 1 2 3 1 4 2 2 Ibarski mines - Jarando 1 2 2 1 4 2 1 - Tadenje 1 1 4 2 3 2 1 REMBAS - Strmosten 3 3 2 3 3 4 4 - Block IV 2 2 2 3 4 4 2 - Senjski rudnik 1 2 2 2 3 4 1 Soko 5 2 1 3 3 4 4 Bogovina 2 3 4 1 2 2 1 Jasenovac 2 2 3 2 3 2 2 Lubnica ...
... 0.1600 0.1977 C6 0.1091 0.1538 0.1538 0.0714 0.1034 0.1000 0.0800 0.1102 C7 0.0545 0.1538 0.0385 0.1071 0.1034 0.1000 0.0800 0.0911 Sum 1 1 1 1 1 1 1 1 Lambda ( λ) = 7.355393; CI = 0.059232; RI = 1.32; CR = 0.044873; Table 6. Random index n 3 4 5 6 7 8 9 10 RI 0.58 0.9 1.12 1.24 1.32 1 ...Vladimir Milisavljević, Milena Lekić, Ivica Ristović, Vojin Čokorilo, Aleksandar Cvjetić. "Evaluation And Perspectives Of Underground Coal Mines In Serbia" in 7th Balkan Mining Congress Preceedings - BalkanMine2017, Prijedor, 11-13. oktobar 2017., Banjaluka : University of Banjalika, Faculty of Mining, RS, BiH (2017)
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Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija
Gordana Milentijević, Blagoje Nedeljković, Milena Lekić, Zoran Nikić, Ivica Ristović, Jelena Đokić (2016)... C1 1 1 2 2 5 4 7 5 6 8 C2 1 1 2 2 4 4 5 6 7 8 C3 1/2 1/2 1 2 5 5 5 6 7 8 C4 1/2 1/2 1/2 1 2 2 5 4 6 7 C5 1/5 1/4 1/5 1/2 1 1 5 4 7 6 C6 1/4 1/4 1/5 1/2 1 1 5 4 5 6 C7 1/7 1/5 1/5 1/5 1/5 1/5 1 3 3 4 C8 1/5 1/6 1/6 1/4 1/4 1/4 1/3 1 3 5 C9 1/6 1/7 1/7 1/6 1/7 1/5 1/3 1/3 1 2 C10 1/8 1/8 1/8 1/7 1/6 1/4 ...
... Cl 1 1 2 2 5 4 7 5 6 8 C2 1 1 2 2 4 4 5 6 7 8 C3 1/2 1/2 1 2 5 5 5 6 7 8 C4 1/2 1/2 1/2 1 2 2 5 4 6 7 C5 1/5 1/4 1/5 1/2 1 1 5 4 7 6 C6 1/4 1/4 1/5 1/2 1 1 5 4 5 6 C7 1/7 1/5 1/5 1/5 1/5 1/5 1 3 3 4 C8 1/5 1/6 1/6 1/4 1/4 1/4 1/3 1 3 5 C9 1/6 1/7 1/7 1/6 1/7 1/5 1/3 1/3 1 2 C10 1/8 1/8 1/8 1/7 1/6 1/4 ...
... two elements of the hierarchy (model) is done by using Saaty’s scale, expressed by equation [22]. S = { 1 9 , 1 8 , 1 7 , 1 6 , 1 5 , 1 4 , 1 3 , 1 2 , 1, 2, 3, 4, 5, 6, 7, 8, 9 } (1) The basic results of the AHP method are weight criterion rate (W). The weight coefficients are calculated ...Gordana Milentijević, Blagoje Nedeljković, Milena Lekić, Zoran Nikić, Ivica Ristović, Jelena Đokić. "Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija" in Energies, MDPI AG (2016). https://doi.org/10.3390/en9110935
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Modeliranje tehnoloških procesa u rudarstvu u uslovima nedovoljnosti podataka primenom teorije grubih skupova
Zoran M. Štirbanović (2015-07-01)Rudarstvo, a u okviru njega i priprema mineralnih sirovina, se odlikuje složenošću tehnoloških procesa što je posledica velikog broja uticajnih parametara. Samim tim je potrebno biti veoma obazriv prilikom donošenja odluka u oblasti rudarstva. U cilju što efikasnijeg funkcionisanja procesa, moguće je primeniti različite metode koje služe za pojednostavljenje procesa odlučivanja. Jedna od takvih metoda jeste i teorija grubih skupova. Ona predstavlja relativno novu matematičku teoriju koja je pogodna za razumevanje nepreciznih i nepotpunih podataka kao i za otkrivanje ...rudarstvo, priprema mineralnih sirovina, teorija grubih skupova, višekriterijumsko odlučivanje, flotacijsko jalovište, flotacijski kolektor, flotaciona mašina... (prosečan indeks saglasnosti). KEX1 KEX2 KEX3 KAX1 KAX3 NaIPX1 NaIPX2 KEX1 KEX1 1 1 1 1 1 1 1 KEX2 0 1 1 1 1 1 1 KEX3 0 0 1 1 1 1 1 KAX1 0 0 0 1 1 1 1 KAX2 0 0 0 0 1 1 1 KAX3 0 0 0 0 0 1 1 NaIPX1 0 0 0 0 0 0 1 NaIPX2 0 0 0 0 0 0 0 Zoran Štirbanović, DOKTORSKA DISERTACIJA: M ...
... KEX1 0 1 0 1 1 1 1 KEX2 0 1 1 1 1 1 1 KEX3 0 0 0 1 1 1 1 KAX1 0 0 0 1 0 0 1 KAX2 0 0 0 0 1 1 1 KAX3 0 0 0 0 0 1 1 NaIPX1 0 0 0 0 0 0 1 NaIPX2 0 0 0 0 0 0 0 Tabela 61. Matrica agregatne dominacije KEX1 KEX2 KEX3 KAX1 KAX3 NaIPX1 NaIPX2 KEX1 Rang KEX1 0 0 1 0 1 1 1 1 2 KEX2 ...
... M1 1 1 1 1 1 M2 0 1 1 1 1 M3 0 0 1 1 1 M4 0 0 0 1 0 M5 0 0 0 0 1 M6 0 0 0 1 0 Tabela 94. Matrica nesaglasne dominacije PINS=0,61245 (prosečan indeks nesaglasnosti). M1 M2 M3 M4 M5 M6 M1 1 0 1 1 1 M2 0 0 1 1 1 M3 0 0 1 1 1 M4 0 0 0 1 1 M5 0 0 ...Zoran M. Štirbanović. "Modeliranje tehnoloških procesa u rudarstvu u uslovima nedovoljnosti podataka primenom teorije grubih skupova" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-07-01)
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Polyhedral characteristics of the cosalite-type crystal structures
Sabina Kovač, Predrag Dabić, Aleksandar Kremenović, Aleksandar Pačevski, Ljiljana Karanović, Marko V. Rodić, Martina Tribus (2019)Sabina Kovač, Predrag Dabić, Aleksandar Kremenović, Aleksandar Pačevski, Ljiljana Karanović, Marko V. Rodić, Martina Tribus. "Polyhedral characteristics of the cosalite-type crystal structures" in The Canadian Mineralogist, Mineralogical Association of Canada (2019). https://doi.org/10.3749/canmin.1900017
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A Fuzzy Expert Model for Availability Evaluation
Each technical system within itself carries the great potential danger of possible occurrence of failure and damages. Mining machines are characteristic by great investment values, costs of unplanned shutdowns, complex working conditions, and environment and workers hazards. Systematic monitoring of the mining machinery is of great importance for the management of the mining companies. Availability is the overall concept of quality of service. Includes information regard to operating state, an idle state, a standby state and shut down. The ...... of A indicators (j = 1 … 5). Defined A fuzzy set can be written as: - poor = (1/j=1, 0.25/j=2, 0/j=3, 0/j=4, 0/j=5); - adequate = (0.25/j=1, 1/j=2, 0.25/j=3, 0/j=4, 0/j=5); - average = (0/j=1, 0.25/j=2, 1/j=3, 0.25/j=4, 0/j=5); (7) - good = (0/j=1, 0/j=2, 0.25/j=3, 1/j=4, 0.25/j=5); - ...
... 6/avr; M(A1-Lib.) = 1/avr; S(A1- Lib.) = 1/adeq; R(A1-Drs.) = 1/avr; M(A1-Drs.) = 1/avr; S(A1-Drs.) = 1/avr; R(A1-Cat.) = 1/good; M(A1-Cat.) = 1/exel; S(A1-Cat.) = 1/good; Other grades for Drmno field – Kostolac basin are: R(A2-Lib.) = 0,2/good,0.8/avr; M(A2-Lib.) = 1/good; S(A2- Lib.) = ...
... M(A2-Drs.) = 1/good; S(A2- Drs.) = 0,5/aver, 0.5/adeq; R(A2-Cat.) = 0.8/exc,0.2/good; M(A2-Cat.) = 0.6/good,0.4/avr; S(A2-Cat.) = 0.5/good,0.5/avr; R(A3-Lib.) = 1/good; M(A3-Lib.) = 1/avr; S(A3-Lib.) = 1/avr; R(A3-Drs.) = 0,4/good,0.6/avr; M(A3-Drs.) = 1/adeq; S(A3- Drs.) = 1/adeq; R(A3-Cat ...Dejan Ivezić, Miloš Tanasijević, Predrag Jovančić, Radiša Đurić. "A Fuzzy Expert Model for Availability Evaluation" in Proceedings of the 2019 20th International Carpathian Control Conference (ICCC), AGH University of Science and Technology, Kraków - Wieliczka, Poland (2019)
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Application of the Fuzzy Model in the Evaluation and Selection of Hydraulic Excavators on Open-Pit Lignite Mine
Stevan Đenadić, Miloš Tanasijević, Vladimir Milisavljević, Dragan Ignjatović, Predrag Jovančić (2021)The production of lignite in large open-pit mines is mainly performed with continuously operating equipment, where bucket-wheel excavators, bucket-chain excavators, belt conveyors, and spreaders are the basic machines. Smaller machines, usually of discontinuous operating nature, are commonly categorized as auxiliary machines. This paper presents the research related to the analysis of auxiliary machine parameters with the case study for a hydraulic excavator. The purpose of the analysis was to develop a model of rating quality of service of the ...Stevan Đenadić, Miloš Tanasijević, Vladimir Milisavljević, Dragan Ignjatović, Predrag Jovančić. "Application of the Fuzzy Model in the Evaluation and Selection of Hydraulic Excavators on Open-Pit Lignite Mine" in SSRN Electronic Journal, Elsevier BV (2021). https://doi.org/10.2139/ssrn.3945617
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Analiza primene višekriterijumskih metoda u optimizaciji izbora hidruličnih bagera na površinskim kopovima uglja
Hidraulični bageri primenjuju se u različitim oblastima privrede a najzastupljeniji su u građevinarstvu i rudarstvu. Na površinskim kopovima sa kontinualnim sistemima, klasifikuju kao pomoćna mehanizacija a na površinskim kopovima sa diskontinualnim sistemima, kao osnovna mehanizacija. Kako je u oba slučaja njihova primena neizostavna, važno je izvršiti adekvatnu analizu postojećih podataka, u cilju optimizacije izbora tipa hidrauličnog bagera u odnosu na uslove rada datog površinskog kopa. U radu su opisane različite višekriterijumske metode koje su korišćene za analizu hidrauličnih bagera. ...... formira matrica M čijim se računanjem dobijaju vrednosti preferencija. n n i i 1 1j j 1 1,..., j j W W W i n W W (6) 1 1 1 2 1 n 11 12 1n 1 1 2 2 2 n 21 22 2n n 1 n 2 n n n1 n2 nn / / ... / ... / / ... / ... ... ... ... ... ... ... ... ... / / ...
... formiranjem matrice M 1 ... nC C 1 11 1 1 ... ... n m m mn A x x M A x x (16) gde su: A1,…,Am alternative, C1,…,Cn kriterijumi, xij je rang alternative prema kriterijumu. U sledećem koraku vrši se normalizacija matrice: 2 1 1,..., ; 1,..., n ij ij m ij ...
... ti gks koje mogu uzi- mati vrednosti od 0 do 1, 1, , 1,2,..., ( 1) m k k s ksc c s n m m (31) 1, 0, ks ks ks ako je c c f ako je c c 1, , 1,2,..., ( 1) m k k s ksd d s n m m (32) 1, 0, ks ks ks ako je d d g ako je ...Stevan Đenadić, Predrag Jovančić, Dragan Ignjatović, Filip Miletić, Ivan Janković. "Analiza primene višekriterijumskih metoda u optimizaciji izbora hidruličnih bagera na površinskim kopovima uglja" in Tehnika, Centre for Evaluation in Education and Science (CEON/CEES) (2019). https://doi.org/10.5937/tehnika1903369D
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Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine
Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović (2019)Availability is one of the most used terms in maintainability engineering. This concept is used to denote: The quality of service of an engineering system, i.e., machines, weak points’ analysis, asset management, as well as making decisions in the process of life cycle management. Availability is an overall indicator and contains partial indicators that are oriented towards reliability, maintenance, and logistical support. Availability presents a variable value and changes in time and space. Usually, availability is shown as the ...... of new and old machines. AHP Preferences B1-N (B2-N, B3-N) B1-O B2-O B3-O R M S R M S R M S R M S R 1 1/2 1/3 1 1 1 1 1/3 1/3 1 2 2 M 2 1 1/2 1 1 1 3 1 1 1/2 1 1 S 3 2 1 1 1 1 3 1 1 1/2 1 1 As a representative example in the continuation of the analysis, the AHP ranking of machine B1-N is given ...
... LV = ( µ( j=1), . . . ,µ( j=10) ) (7) Each linguistic variable (‘A’, . . . ,‘E’) is specifically defined in the following way (Figure 3): ‘A’ = (0(1), . . . ., 0(8), 1(9), 1(10)); ‘B’ = (0(1), . . . ., 0(5), 0.33(6), 1(7), 1(8), 0(9), 0(10)); ‘C’ = (0(1), 0(2), 0(3), 0.5(4), 1(5), 1(6), 0.5(7), ...
... was evaluated: • with ‘A‘, three out of four analysts (experts): ((1·0.7)+(1·0.6)+(1·0.5)) 4 = 0.450 • with ‘B‘, all four analysts (experts): ((1·0.3)+(1·0.4)+(1·0.9)+(1·0.5)) 4 = 0.525 • with ‘C‘, only one analyst (expert): (1·0.1) 4 = 0.025 In this way, an estimation of the R indicator is obtained ...Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović. "Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine" in Energies, MDPI AG (2019). https://doi.org/10.3390/en12214044
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Развој модела употребног квалитета помоћне механизације на површинским коповима лигнита
Драгица Јагодић Крунић (2021)Тренутно стање помоћне механизације на површинским коповима лигнита је незадовољавајуће узроковано пре свега старошћу и неблаговременом заменом машима услед чега је расположивост недовољна а трошкови експлоатације и одржавања високи. Тренутно стање и захтеви који се постављају пред ове машине указују на неопходност оптимизације процеса управљања помоћном механизацијом. Одређивање оптималног времена замене и преосталих могућности је најодговорнији управљачки задатак који треба да буде заснован на свеобухватном сагледавању економских, техничких и других узрочно последичних веза. Са економског аспекта гледано треба одржавати ...помоћна механизација, употребни квалитет, ефективност, расположивост, сигурност функционисања, ризик, трошкови животног циклуса, фази логика, Монте Карло метода... (Ꞷz=1) су: 1-1-1-1: QS1-1-1-1 = [0,27 0,27 0,27 0,40], где је Ꞷz 1-1-1-1 = (1+1+1+1) / 4 = 1. 1-1-1-2: QS1-1-1-2 = [0,27 0,27 0,27 0,20], где је Ꞷz 1-1-1-1 = (1+1+1+2) / 4 = 1. 1-1-2-1: QS1-1-2-1 = [0,27 0,27 0,35 0,40], где је Ꞷz 1-1-1-1 = (1+1+2+1) / 4 = 1. 1-2-1-1: QS1-2-1-1 = [0 ...
... (Ꞷk=1) су: 1-1-1: Ri 1-1-1 = [0,33 0,20 0,40], где је Ꞷk 1-1-1 = (1+1+1) / 3 = 1, 1-1-2: Ri 1-1-2 = [0,33 0,20 0,85], где је Ꞷk 1-1-2 = (1+1+2) / 3 = 1, 1-2-1: Ri 1-2-1 = [0,33 0,07 0,40], где је Ꞷk 1-2-1 = (1+2+1) / 3 = 1, 2-1-1: Ri 2-1-1 = [0,39 0,20 0,40], где је Ꞷk 2-1-1 = (2+1+1) / ...
... исхода (Ꞷk=1) су: 1-1-1: D1-1-1 = [0,33 0,07 0,01], где је Ꞷk 1-1-1 = (1+1+1) / 3 = 1, 1-1-2: D1-1-2 = [0,33 0,07 0,10], где је Ꞷk 1-1-2 = (1+1+2) / 3 = 1, 1-2-1: D1-2-1 = [0,33 0,14 0,01], где је Ꞷk 1-2-1 = (1+2+1) / 3 = 1, 2-1-1: D2-1-1 = [0,39 0,07 0,01], где је Ꞷk 2-1-1 = (2+1+1) / 3 = ...Драгица Јагодић Крунић. Развој модела употребног квалитета помоћне механизације на површинским коповима лигнита, Београд : [Д. Јагодић Крунић], 2021
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Some models for determination of parameters of the soil oscillation law during blasting operations
... ´Rn´1 1 pR1RNqn´1 “ ST “ řN´1 m“1 Sm ptrapezoidal formulaq (23) From Equation (23) we find that: K “ ST pn ´ 1q pR1RNqn´1 Rn´1 N ´ Rn´1 1 (24) By substituting K from Equation (23) into Equation (1) we obtain the formula: v “ ST pn ´ 1q ¨ pR1RNqn´1 Rn´1 N ´ Rn´1 1 ¨ R´n, n ‰ 1 (25) For ...
... ` pvN´1 ` vNq ¨ hN´1 2 (22) If we presume that certain values of registered oscillation velocities of the rock mass vi represent the approximate value of the function v “ K ¨ R´n, then we can presume that: r RN R1 vdR “ K r RN R1 R´ndR “ K n´1 ˆ 1 Rn´1 1 ´ 1 Rn´1 N ˙ “ K n´1 „ Rn´1 N ´Rn´1 ...
... . . . ¨ vN “ vN 1 ¨ ˜ RN 1 R1 ¨ R2 ¨ . . . ¨ RN ¸n (15) From Equation (15), we can determine parameter n. By the logarithm operation of Equation (15) we obtain: n log ˆ RN 1 R1¨R2¨...¨RN ˙ “ log ˆ v1¨v2¨...¨vN vN 1 ˙ , n “ log ˆ v1¨v2¨...¨vN vN 1 ˙ log ˆ RN 1 R1¨R2¨...¨RN ˙ ...Suzana Lutovac, Dragan Medenica, Branko Gluščević, Rade Tokalić, Čedomir Beljić. "Some models for determination of parameters of the soil oscillation law during blasting operations" in Energies, Basel, Switzerland : MDPI (2018). https://doi.org/10.3390/en9080617
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Хазард од клизишта у Србији у 21. веку
Biljana Abolmasov (2019)... � � � › � � � � � � <1 100.000 >10.000 km 1 100.000 1 > 1.000 10.006 Km : 25.000 yr ( : 1 >1 5000 <10 kmh 21. 73 74 ������ ������ �� ���›� 2. �������� ������� ������ � ������� �������� �� �� ›������ (��� ������� ����›� �� ›������� �� ����������� (�� ��), 1 : 25.000 (�����: htt ...
... � � � � � � � � � � � / � � � � � � � � � � � � › � � � › � � � � � � � � � � � � � � � � � � � � � � � � � 1 : 1 0 0 . 0 0 0 � 1 : 2 5 . 0 0 0 1 . 0 0 0 � 1 0 . 0 0 0 k m 2 › � � � � � � � ( � � � � � � � � � ) , � � � � � � � � � � � � � � � � ( � � � � � ...
... > > > > > , , > . > > > > > > > > / /> > > / > > — . > v > > 2070. , . > > >, > > . 2 > , > , > 1. > >, > 7, > > 16 20% > > [1]. > 1 - , > > > > > > >. >, > > > > r >> > . > > > ( > > , > - > >-— 7 > > > 1 > > > > ( > dy >, > > > >. , > ( > ) > * , >- > > , : biljana.abol bg.ac.rs 66 ������ ������ �� ...Biljana Abolmasov. "Хазард од клизишта у Србији у 21. веку" in Геохазард у Србији у 21. веку – знање је најбољи бедем против стихије, Српска академија наука и уметности (2019)
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Mineragenija i potencijalnost karbonatnih sirovina rudnog reona Bjelopavlića (Crna Gora)
Darko M. Božović (2016-09-28)Karbonatne sirovine, obzirom na geološku građu Crne Gore predstavljaju jednu od najznačajnijih nemetaličnih mineralnih sirovina. U Crnoj Gori postoje brojna leţišta karbonatnih sirovina (arhitektonsko - građevinskog i tehničko - građevinskog kamena) koja su istraţena ili su u eksploataciji, među kojima rudni reon Bjelopavlića zauzima najznačajnije mjesto.Dosadašnja istraţivanja karbonatnih sirovina na ovom području imala su, međutim, prevashodno uzak istraţivački cilj, utvrđivanje rezervi arhitektonsko - građevinskog i tehničko - građevinskog kamena određenog leţišta, ili preliminarna ispitivanja kvaliteta krečnjaka u njima, sa ...karbonatne mineralne sirovine, arhitektonsko - građevinski kamen, tehničko - građevinski kamen, karbonatna punila, rudni reon Bjelopavlića, potencijalnost.... 7 1 ,0 7 N a 2 O < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 K 2 O < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < ...
... 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 M n O < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 T iO 2 < 0 ,0 1 0 ,0 1 < 0 ,0 1 < 0 ,0 ...
... 0 1 < 0 ,0 1 0 ,0 2 < 0 ,0 1 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 P 2 O 5 < 0 ,0 1 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 < 0 ,0 1 0 ,0 2 0 ,0 2 < 0 ,0 1 < 0 ,0 1 C r 2 ...Darko M. Božović. "Mineragenija i potencijalnost karbonatnih sirovina rudnog reona Bjelopavlića (Crna Gora)" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-28)
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Late and post-collisional tectonic evolution of the Adria-Europe suture in the Vardar Zone
The Vardar Zone is a product of the Triassic-Jurassic opening of the Neotethys, Jurassic obduction, Late Cretaceous/Paleogene consumption of the oceanic crust and continental collision. During the last process, the Eastern Vardar Zone was thrust over the Central and eventually both onto the Western Vardar Zone. The present paleomagnetic and structural study provided new results from the first two zones in the Belgrade area. The younger set of data, together with published ones from the third zone, provide firm ...Emő Márton, Marinko Toljić, Vesna Cvetkov. "Late and post-collisional tectonic evolution of the Adria-Europe suture in the Vardar Zone" in Journal of Geodynamics, Elsevier BV (2022). https://doi.org/10.1016/j.jog.2021.101880
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Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata
Sabina Z. Kovač (2015-09-28)Predmet rada i istraživanja ove doktorske disertacije su sinteza i strukturnekarakteristike novih kristalnih arsenata i fosfata koji sadrže Mg, K, Ca, Mn, Fe, Co, Ni,Cu, Zn, Sr, Ba i druge katjone. U strukturama arsenata i fosfata, AsO4- i PO4-tetraedrinajčešće se vezuju sa tetraedarski ili oktaedarski koordinisanim katjonima prelaznihmetala formirajući otvorene strukture (slojeve ili 3D mreže) sa širokim opsegomrazličitih topologija. U šupljinama ili porama u obliku povezanih ili nepovezanihkanala, tunela, kaveza i međuslojnog prostora mogu se ugraditi različiti vanmrežni joni(obično ...... [1] O14(8c) [1] O11(8f) [1] O12(8f) [1] O13(8f) [1] O14(8f) [1] O15(8f) [1] O16(8f) [1] O17(8f) [1] O18(8f) [1] O11(8f) [1] O12(8f) [1] O13(8f) [1] O14(8f) [1] O15(8f) [1] O16(8f) [1] O17(8f) [1] O18(8f) [1] O2(4m) [m2m.] O21(8c) [1] O22(8c) [1] O2(8g) [1] O2(8e) [1] ...
... O21(8c) [1] O22(8c) [1] O21(8f) [1] O22(8f) [1] O23(8f) [1] O24(8f) [1] O21(8f) [1] O22(8f) [1] O23(8f) [1] O24(8f) [1] O3(4i) [2mm.] O31(8c) [1] O32(8c) [1] O3(8g) [1] O3(8e) [1] O31(8c) [1] O32(8c) [1] O31(8f) [1] O32(8f) [1] O33(8f) [1] O34(8f) [1] O31(8f) [1] O32(8f) [1] O33(8f) ...
... T16(8f) [1] T17(8f) [1] T18(8f) [1] T11(8f) [1] T12(8f) [1] T13(8f) [1] T14(8f) [1] T15(8f) [1] T16(8f) [1] T17(8f) [1] T18(8f) [1] O1(8n) [..2] O11(8c) [1] O12(8c) [1] O13(8c) [1] O14(8c) [1] O11(8g) [1] O12(8g) [1] O11(8e) [1] O12(8e) [1] O11(8c) [1] O12(8c) [1] O13(8c) [1] ...Sabina Z. Kovač. "Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-09-28)
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The interaction of organoselenium trans-palladium(II) complexes toward small-biomolecules and CT-DNA
Serija organoselenijum trans-paladijum(II) kompleksa 1 (bis(2-(fenilselanilmetil)oksolan)dihloropaladijum(II)), 2 (bis(2-(fenilselanilmetil)oksan)dihloropaladijum(II)) i 3 (bis(2) ,2-dimetil-3-(fenilselanil)oksan)dihloropaladijum(II)) su korišćeni za ispitivanje reaktivnosti ovog specifičnog tipa kompleksa prema različitim bio-molekulima. Ovaj sistem je od posebnog interesa jer se jako malo zna o supstitucionim reakcijam organoselenijum paladijum(II) kompleksa sa trans konfiguracijom. Zamena koordinovanog hlorida sa serijom malih bio-molekula (l-Met, l-His, l-Cis, GSH i 5′-GMP) proučavana je pod uslovima pseudo-prvog reda kao funkcija koncentracije nukleofila i temperature korišćenjem tehnika zaustavljenog toka. Rezultati za proučavane komplekse ukazuju da ...Vera M. Divac, Aleksandar Mijatović, Marina D. Kostić, Jovana Bogojeski. "The interaction of organoselenium trans-palladium(II) complexes toward small-biomolecules and CT-DNA" in Inorganica Chimica Acta, Elsevier BV (2017). https://doi.org/10.1016/j.ica.2017.07.012
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Mapping and classifying large deformation from digital imagery: application to analogue models of lithosphere deformation
kontinentalna tektonika: kompresija, kontinentalna tektonika: ekstenzija, kontinentalna tektonika: transkurentni i transformni rasedi, pukotine, rasedi, zone snažnih deformacija, kinematika deformacija kore i omotača, teorijska mehanika, modelovanje... first seven columns, from left to right: a = 1, b = 1 + [ − 1, −2/3, −1/3, 0, 1/3, 2/3, 1] · 5 × 10−2 and γ = [0, 1/3, 2/3, 1, 2/3, 1/3, 1] · 5 × 10−2. The 8th column with pure shear has a = 1 + 5 × 10−2 and b = 1/a, γ = 0. The last column has a = 1, b = 1, γ = 0. Rotation angle θ varies linearly between ...
... centroid): t-1 -1 aN 1] 1-¢ aN 1} 1 “= a A9 as 4) 142 | ds =a] 1 (A9) —l-t —-l Lzoz Ainr 6} uo ysenBb Aq 6ZSS619/r86/z/97z/E}ONNIe/I[6/u0o'dno‘olwWepedse//:sdyy Wo. pepeojumMoq 1016 T. Broerse et al. ∂N ∂t = 1 4 ⎡ ⎢ ⎢ ⎢ ⎣ s − 1 s − 1 1 + s 1 − s ⎤ ⎥ ⎥ ⎥ ⎦ ∂N ∂t |0,0 = 1 4 ⎡ ⎢ ...
... ∂s = 1 4 ⎡ ⎢ ⎢ ⎢ ⎣ t − 1 1 − t 1 + t −1 − t ⎤ ⎥ ⎥ ⎥ ⎦ ∂N ∂s |0,0 = 1 4 ⎡ ⎢ ⎢ ⎢ ⎣ −1 1 1 −1 ⎤ ⎥ ⎥ ⎥ ⎦ (A9) D o w n lo a d e d fro m h ttp s ://a c a d e m ic .o u p .c o m /g ji/a rtic le /2 2 6 /2 /9 8 4 /6 1 9 5 5 2 9 b y g u e s t o n 1 9 J ...Taco Broerse, Nemanja Krstekanić, Cor Kasbergen, Ernst Willingshofer. "Mapping and classifying large deformation from digital imagery: application to analogue models of lithosphere deformation" in Geophysical Journal International, Oxford University Press (OUP) (2021). https://doi.org/10.1093/gji/ggab120
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Fuzzy stohastički model izbora sistema otvaranja podzemnog rudnika
Saša M. Jovanović (2016-05-16)Investiciono okruženje skopčano sa rudarskom industrijom je veoma svojstveno kada seuporedi sa okruženjima koje susrećemo u tipičnim proizvodnim industrijama. Neke odkarakterisitka rudarstva, koje su često naznačene kao jedinstvene su: visok intenzitetinvesticija, dugi predproizvodni periodi, visok rizik i neobnovljivost resursa.Investiranje u sistem otvaranja rudnika predstavlja dobar primer ireverzibilneinvesticije. Takva investicija zahteva pažljivu analizu, jer nakon njene realizacije ona sene može nadoknaditi bez značajnog gubitka vrednosti. Očigledno je da izbor sistemaotvaranja podzemnog rudnika pripada strateškom planiranju...... 19 20 21 22 23 24 25 26 27 28 p1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 1 2 p2 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 3 3 3 3 3 3 3 3 p3 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 Korak 13: za svaki red matrice R=[ryk] izračunat je zbir svih članova u redu. Alternativa ...
... su u Tabeli br. 17. Tabela br. 17 Matrica povezanosti i stepen čvoraza podetažu +710 m čvor 1 29 36 37 38 39 k 1 0 1 0 0 1 0 2 29 0 0 1 0 0 0 1 36 0 0 0 1 0 0 1 37 0 0 0 0 0 1 1 38 0 0 0 1 0 1 2 39 0 0 0 0 0 0 0 Verovatnoća raspodele stepena čvora za orjentisani graf transportne mreže ...
... podetaže 1-2 do površine terena. POVRSINA GLAVNI NISKOP OKNO SIPKA MESTO UTOVARA DNO OKNA FRONT OTKOPAVANJA B IL A N SN E R E Z E R V E V A N B IL A N SN E R E Z E R V E PRISTUPNI NISKOP PODETAZA 1-1 PODETAZA 1-2 PODETAZA 1-k . . . TRANSPORTNI HORIZONT 1-2 2 3 5 1-1 1-k ...Saša M. Jovanović. "Fuzzy stohastički model izbora sistema otvaranja podzemnog rudnika" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-05-16)
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The Fuzzy–AHP Synthesis Model for Energy Security Assessment of the Serbian Natural Gas Sector
Natural gas is used for the production of almost 20% of total energy today. The natural gas security of the Republic of Serbia is an urgent strategic, political and security issue. Serbia is one of the most vulnerable countries in Southeast Europe, because it only has one supply route. This study is a contribution to efforts to better understand the factors affecting energy security through the implementation of a new methodology based on the fuzzy–AHP synthesis model for measuring ...... (µ(j = 1), . . . , µ(j = 10)) (1) The linguistic variables were specifically defined as follows (Figure 3): A = (0(1), . . . , 0(8), 1(9), 1(10)); B = (0(1), . . . , 0(5), 0.33(6), 1(7), 1(8), 0(9), 0(10)); C = (0(1), 0(2), 0(3), 0.5(4), 1(5), 1(6), 0.5(7), 1(8), 0(9), 0(10)); D = (0(1), 0(2), 1(3), 1(4) ...
... specifically defined as follows (Figure 4): A = (0(1), . . . , 0(8), 1(9), 0(10)); B = (0(1), . . . , 0(6), 1(7), 1(8), 0(9), 0(10)); C = (0(1), 0(2), 0(3), 0(4), 1(5), 1(6), 0(7), 1(8), 0(9), 0(10)); D = (0(1), 0(2), 1(3), 1(4), 0(5), . . . , 0(10)); E = (0(1), 1(2), 0(3), . . . , 0(10)). (3) Symmetry 2020 ...
... scenario SC1. LV j 1 2 3 4 5 6 7 8 9 10 E 1·0 1·0 0·0 0·0 0·0 0·0 0·0 0·0 0·0 0·0 D 0·0.388 0·0.388 1·0.388 1·0.388 0.33·0.388 0·0.388 0·0.388 0·0.388 0·0.388 0·0.388 C 0·0.612 0·0.612 0·0.612 0.5·0.612 1·0.612 1·0.612 0.5·0.612 0·0.612 0·0.612 0·0.612 B 0·0 0·0 0·0 0·0 0·0 0.33·0 1·0 1·0 0·0 0·0 A 0·0 ...Aleksandar R. Madžarević, Dejan D. Ivezić, Miloš L. Tanasijević, Marija A. Živković. "The Fuzzy–AHP Synthesis Model for Energy Security Assessment of the Serbian Natural Gas Sector" in Symmetry, MDPI AG (2020). https://doi.org/10.3390/sym12060908