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Publikacije (45098)

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12. 11. 2018.
4
O. Miseckaitė, S. Čadro, V. Tunguz, V. Lukashevich, I. Simunic, Orlović-Leko, Palma

Goran Marinković, J. Lazić, I. Grgić, Z. Ilić

Each local, self-government unit which is planning to develop and later implement the project of landconsolidation is confronted with the problem of choosing the cadastral municipality for landmanagement via land consolidation. The appliance of multi-criteria decision method enables and helpsthe decision makers to act regularly and correctly when making a decision. Multi-criteria analysis,above all, enables decision making in conflict conditions. These conditions include multiple alternativesand criteria, from which some should be maximized, and others minimized. This paper deals with theproblematic of the ranking of cadastral municipalities in which land management should be performedwith the use of land consolidation, by applying COPRAS method. The paper also presents theevaluation of the defined model in the Municipality of Pećinci.

V. Dubravac, Amna Brdarević-Čeljo, Senad Bećirović

Shaochuan Chen, Lanlan Jiang, M. Buckwell, X. Jing, Yanfeng Ji, E. Grustan-gutierrez, F. Hui, Yuanyuan Shi et al.

Conductive atomic force microscopy (CAFM) has been widely used for electrical characterization of thin dielectrics by applying a gentle contact force that ensures a good electrical contact without inducing additional high‐pressure related phenomena (e.g., flexoelectricity, local heat, scratching). Recently, the CAFM has been used to obtain 3D electrical images of thin dielectrics by etching their surface. However, the effect of the high contact forces/pressures applied during the etching on the electrical properties of the materials has never been considered. By collecting cross‐sectional transmission electron microscopy images at the etched regions, it is shown here that the etching process can modify the morphology of Al2O3 thin films (producing phase change, generation of defects, and metal penetration). It is also observed that this technique severely modifies the electrical properties of pSi and TiO2 wafers during the etching, and several behaviors ignored in previous studies, including i) observation of high currents in the absence of bias, ii) instabilities of etching rate, and iii) degradation of CAFM tips, are reported. Overall, this work should contribute to understand better the limitations of this technique and disseminate it among those applications in which it can be really useful.

Levels of SO2 in air samples from urban zone of Banja Luka were determined at locality Center inBanja Luka (administrative center of the Republic of Srpska, in Bosnia and Herzegovina) which ishighly populated area, with intensive traffic and industry. Through experimental measuring, daily andweekend variation of SO2 concentration was determined. Daily variations are directly connected toregime and intensity of traffic and using fossil fuels. The paper presents measured average values ofsulfur dioxide, together with max and min values and relationship between some parameters of airquality and meteorological parameters, i. e. for pollution modelling together with meteorologicalparameters.

Noise pollution may have negative impacts on human health and environmental. The primary aim ofthis study is was to determine and mapping the noise pollution in the urban part of the city Banja Lukain Bulevar Cara Dušana by evaluating noise levels in the boulevards. The aim of this investigation isalso compare measured noise levels in the boulevards with legislation. The measured values exceededthe level of noise allowed. Because they are at all measuring points at study area mixing two zones I(hospital, rehabilitation) and III (trading, business, housing and housing next to traffic corridors,warehouses excluding heavy transport) it can be concluded that the noise level values in this area arealarming.

The major task of multi-purpose reservoir „Modrac“ operation is to decide how much water should bereleased now and how much should be retained for future use given some available and/or forecastedinformation at the beginning of the current time period. In practice, reservoir operators usually followrule curves, which stipulate the actions that should be taken conditioned on the current state of thesystem. Through construction of the dam Modrac in 1964, the reservoir of the same name was formed.Its primary objectives were the provision of technological water for industries in the Tuzla region andmitigation of downstream floods as well as recreation and other purposes. The multi-purpose reservoirModrac is currently a drinking water source for the municipality Tuzla. In order to better manage of themulti-purpose reservoir „Modrac“, certain analyzes are presented in this paper.This paper presents an analysis of annual precipitation, mean annual inflows in the catchment area ofthe multi-purpose reservoir „Modrac“ for the period 1967 - 2016. In this paper there are presentedstatistical datas on the maximum amount of precipitation for the dry season period (May to October) fordifferent return periods, for different distribution curves, as well as the maximum amount ofprecipitation for the wet season (November to April) for different return periods for different curvesdistribution.This paper provides information on the movement of precipitation changes in the catchment area ofmulti-purpose reservoir “Modrac” for the period from 1967. – 2016.

Snežana Petrović-Tepić, S. Stoisavljević-Šatara, Aleksandra Serdar, Aleksandar Tepić

Renalni kalikrein-kinin sistem igra veoma važnu ulogu u regulaciji lokalnogprotoka krvi u bubrezima i u procesu izlučivanja soli i vode, te predstavlja važnu karikuu održavanju homeostaze organizma.

With the development of intense femtosecond laser sources it has become possible to study atomic and molecular processes on their own subfemtosecond time scale. Table-top setups are available that generate intense coherent radiation in the extreme ultraviolet and soft-X-ray regime which have various applications in strong-field physics and attoscience. More recently, the emphasis is moving from the generation of linearly polarized pulses using a linearly polarized driving field to the generation of more complicated elliptically polarized polychromatic ultrashort pulses. The transverse electromagnetic field oscillates in a plane perpendicular to its propagation direction. Therefore, the two dimensions of field polarization plane are available for manipulation and tailoring of these ultrashort pulses. We present a field that allows such a tailoring, the so-called bicircular field. This field is the superposition of two circularly polarized fields with different frequencies that rotate in the same plane in opposite directions. We present results for two processes in a bicircular field: High-order harmonic generation and above-threshold ionization. For a wide range of laser field intensities, we compare high-order harmonic spectra generated by bicircular fields with the spectra generated by a linearly polarized laser field. We also investigate a possibility of introducing spin into attoscience with spin-polarized electrons produced in high-order above-threshold ionization by a bicircular field.

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