Muzikološki institut Srpske akademije nauka i umetnosti (1948-2010)

The article gives an overview of the early days of the Institute, then proceeds to explain the development of the research projects, the further education of research members of the Institute and finally the results of the Institute's work in various fields: research, publishing, building of archival collections, popularisation of research. We also learn about the various organisational changes that have taken place over the last decades and the developed collaboration with other institutions. The article also provides information about well known musicologists, ethnomusicologists, slavists and composers who worked with and visited the Institute.Predstavljeni su počeci rada Muzikološkog instituta, zatim razvoj istraživačkih projekata, saradnika i najzad rezultati rada tokom svih proteklih godina, i to na različitim poljima: izdavaštvo, rad na formiranju različitih fondova, kao i na popularizaciji nauke. Izloženi su i osnovni podaci o organizacionim promenama u proteklom periodu, razvijenoj saradnji sa drugim institucijama, kao i podaci o najpoznatijim muzikolozima, etnomuzikolozima, slavistima i kom- pozitorima koji su bili gosti Instituta

The spas of Republic of Srpska as sustainable tourism destinations

The region of the Republic of Srpska is rich in natural resources, has a good geographical position, rich cultural and historical heritage, existing tourist infrastructure, well-known tourist products and services in some parts of the region, a multiethnic character of the region and different traditions, all of which makes good preconditions for the development of profitable tourist activities. The municipality of Bijeljina is very promising and competitive, because it has two other natural resources besides geothermal resources: fertile land and large quantities of quality drinking water. The municipality of Bijeljina, or Semberija, has the need and all the preconditions for the intensive development of the use of geothermal energy resources. It is necessary to define a strategy whose realization, under economically justified conditions, will provide for an important change in the energy situation in the municipality, as well as a significant participation in the energy balance of the Republic of Srpska. Semberija has such potentials and possibilities on the basis of geothermal energy that it can become one of the most developed regions of Europe. The concept of sustainable development reflects and requires a significant reversal of many vision and ideas about functioning, that is, about the interdependence of economic activities and the natural environment. However, the concept of sustainable development focuses on qualitative improvement in relation to quantitative growth

Osmoglasnik v glasbeni tradiciji južnih slovanov

Osmoglasnik v glasbeni tradiciji južnih slovano

Octoeshos in tne musical tradition of Soutnern Slavs

The subject of this study is the Octoechos, one of the most important collections of music and poetry in the Orthodox Byzantino-Slav musical tradition. The stichera from the Octoechos provided poetical and melodic models for other church books in the annual cycle of Orthodox services — the Triodion, the Pentecostarion, the Menaia. Because these songs are sung in a cycle which recurs several times during the church year, church singers knew them best of all. The Byzantine neumatic manuscripts of the Octoechos (which are extant as a part of the Sticherarion from the tenth century on) have been studied and transcribed by Henry J.W. Tillyard and Lorenzo Tardo. The Slavonic manuscripts of the Octoechos with musical notation have not up until now been collected and analysed as a group. Our information about the translation of the Octoechos from Greek into Old Church Slavonic (in the 9th century), and about its development in the manuscript tradition and in early printed books (in the 11th to 16th centuries), comes from historical sources, lives of Saints and manuscripts without musical notation. The central part of this study deals with the neumatic manuscripts written and preserved in the Serbian monastery of Chilandari on Mount Athos (from the second half of the 18th century).Posebna izdanja, knjiga 16/

Electrochemical oxidation of maricite NaFePO4 in mild aqueous solutions as a way to boost its charge storage capacity

Lithium has a low abundance in the Earth's crust, which in a few years will lead to difficult lithium production, and therefore difficult production of lithium-ion batteries. Sodium-ion batteries, on the other hand, have been proven to be a good replacement. The material obtained from iron combined with the phosphate and pyrophosphate compounds of sodium has attracted attention as a possible cathode material for sodium-ion batteries. NaFePO4 exists in two polymorphic structures (triphylite and maricite). Maricite NaFePO4 is a more thermodynamically stable structure than triphylite NaFePO4 but doesn’t have channels for Na+ movement and electrochemical performance of this structure is low. In comparison to maricite NaFePO4, triphylite NaFePO4 (structural analogue to LiFePO4) has one-dimensional channels for Na+-ions movement and better electrochemical activity but it is not stable and is difficult to synthesize. Herein, the maricite NaFePO4 can be obtained by sintering a polyanionic compound, Na4Fe3(PO4)2P2O7, at temperatures above 600 °C, as shown by XRD. Na4Fe3(PO4)2P2O7 is synthesized by the glycine-nitrate process after which it was sintered at temperatures above 500 °C. The glycine-nitrate process was found to catalyze the decomposition of the sintered Na4Fe3(PO4)2P2O7 to the NaFePO4 maricite. The electrochemical characterization of the sintered material, evaluated in aqueous NaNO3 and LiNO3 electrolyte by cyclic voltammetry, showed poor electrochemical activity of maricite NaFePO4. By exposing the sintered material to high anodic potentials, the electrochemical activity and specific capacity of the material were increased by 50% in case of NaNO3 and 80% in case of LiNO3 relative to the pristine with low activity. After electrochemical measurements, residual powder was characterized by FTIR and Raman spectroscopy. It was shown that high anodic polarization of the material tested in LiNO3 causes the formation of triphylite LiFePO4. Similarly, it is assumed that the electrochemical activity obtained by deep anodic polarization of the material in NaNO3 electrolyte originates from the formed triphylite NaFePO4. The obtained results open novel directions regarding the use of NaFePO4 in metal-ion rechargeable batteries

Metabolic syndrome and central retinal artery occlusion

Background. The accumulation of risk factors for central retinal artery occlusion can be seen in a single person and might be explained by the metabolic syndrome. Case report. We presented the case of a 52-year-old man with no light perception in his right eye. The visual loss was monocular and painless, fundoscopy showed central retinal artery occlusion and the laboratory investigation showed the raised erythrocyte sedimentation rate of 105 mm/h and the raised C-reactive protein of 22 mg/l. Specific laboratory investigations and fluorescein angiography excluded the presence of vasculitis, collagen vascular diseases, hypercoagulable state and antiphospholipid syndrome. Conclusion. The patient met all the five of the National Cholesterol Education Program (NCEP) criteria for the metabolic syndrome: hypertension, abnormal lipid profile, abnormal glucose metabolism, obesity and hyperuricemia. Measurement of C-reactive protein is useful for the assessment of therapeutic systemic effect on any abnormality in the metabolic syndrome. Individual therapy for all risk factors in the metabolic syndrome is necessary to prevent complications such as cardiovascular, retinal vascular diseases and stroke

The Role of Natural Resources in the Ecotourism Development – Residents’ Perceptions in Subotica (Northern Serbia)

Regardless of their type and structure, natural resources represent the basis for industrial and economic development of every country. The aim of this study is to determine and display the natural potential in the territory of the City of Subotica (Vojvodina Province in Northern Serbia), on the basis of four protected natural areas. These areas are: Palić Nature Park, Ludaško jezero Special Nature Reserve, Selevenjske pustare Special Nature Reserve and Subotička peščara Protected Landscape of Exceptional Distinction. All listed areas represent the main aspects for ecotourism development in this part of the country, so one of the aims of the research is to identify key stakeholders that should be involved in proper developing of this form of tourism. When preforming this study, survey research techniques were used. Respondents were Subotica’s residents, who were asked to rate the state of the environment in these surroundings, as well as to give their opinions about the possibilities for the development of ecotourism. Based on the analysis of the dependent and independent variables, it was concluded that the residents are generally satisfied with the conditions of the environment, they also consider that the development of this form of tourism would raise the awareness of locals about the importance of preserving these protected areas. The result may be significant when launching a new tourism product, while preserving the protected areas and adapting for future visitors’ needs

Simply Prepared Magnesium Vanadium Oxides as Cathode Materials for Rechargeable Aqueous Magnesium Ion Batteries

Vanadium-oxide-based materials exist with various vanadium oxidation states having rich chemistry and ability to form layered structures. These properties make them suitable for different applications, including energy conversion and storage. Magnesium vanadium oxide materials obtained using simple preparation route were studied as potential cathodes for rechargeable aqueous magnesium ion batteries. Structural characterization of the synthesized materials was performed using XRD and vibrational spectroscopy techniques (FTIR and Raman spectroscopy). Electrochemical behavior of the materials, observed by cyclic voltammetry, was further explained by BVS calculations. Sluggish Mg2+ ion kinetics in MgV2O6 was shown as a result of poor electronic and ionic wiring. Complex redox behavior of the studied materials is dependent on phase composition and metal ion inserted/deinserted into/from the material. Among the studied magnesium vanadium oxides, the multiphase oxide systems exhibited better Mg2+ insertion/deinsertion performances than the single-phase ones. Carbon addition was found to be an effective dual strategy for enhancing the charge storage behavior of MgV2O6. © 2022 by the authors