Pedagogical University of Cracow
Krakow, Poland

The Pedagogical University of Kraków , was named after the Commission of National Education created by King Stanisław August Poniatowski. It is a public university located in Kraków, Poland. It was founded on May 11, 1946, soon after the conclusion of World War II, originally as the National Higher College of Teacher Training. Its aim is the training of highly qualified teaching staff for the Polish educational system. Wikipedia.

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Lead (Pb) from spent gunshot and fishing sinkers is recognized as the main source of Pb poisoning among waterfowl. It is also suspected to directly pollute water and sediments, but no appropriate, comprehensive evaluation of this issue has so far been carried out. An experiment on Pb pellets in microcosms (n = 160) with two sediment types (mud and gravel), three water pH values (4, 7 and 9) and two wind levels (wind and windless simulation) was therefore run. Substantial differences in Pb transfer (measured with ICP-OES) between sediment types and pH levels of water were observed. Simulated wind conditions were a significant factor only for some variables and circumstances. The strongest Pb deposit to water and sediments occurred in mud microcosms with water of pH value of 4. Median pellet erosion during the experiment differed little between sediment types. The experiment revealed that Pb transfer from spent gunshot to the environment occurs only in specific environmental conditions. © 2017 Elsevier Ltd

Wojtowicz T.,Pedagogical University of Cracow
Schedae Informaticae | Year: 2015

Deep understanding of microprocessor architecture, its internal structure and mechanics of its work is essential for engineers in the fields like computer science, integrated circuit design or embedded systems (including microcontrollers). Usually the CPU architecture is presented at the level of ISA, functional decomposition of the chip and data flows. In this paper we propose more tangible, interactive and effective approach to present the CPU microarchitecture. Based on the recent advancements in simulation of MOS6502, one of the most successful microprocessor of all times, that started the personal computing revolution, we present the CPU visualisation framework. The framework supports showing CPU internals at various levels (from single transistor, through logic gates, ending with registers, operation decoders and ALU). It allows for execution of real code and detailed analysis of fetch-decode-execute cycle, measurement of cycles per operation or measurement of the CPU activity factor. The analysis means provided by this framework will also enable us to propose the transistor level simulation speed improvements to the model in the future.

Migdalek J.,Pedagogical University of Cracow
Journal of Physics B: Atomic, Molecular and Optical Physics | Year: 2016

The influence of valence-core electron local and nonlocal exchange and valence-core electron correlation (core polarization) on oscillator strengths is studied along the Rb isoelectronic sequence in the vicinity of the d orbital collapse region using model potential and Dirac-Fock methods. © 2016 IOP Publishing Ltd.

Kajtoch C.,Pedagogical University of Cracow
Ceramics International | Year: 2011

The outcomes of dilatometric, rentgenographic (XRD), microscopic (SEM) as well as dielectric measurements of polycrystalline Ba(Ti1 - xSn x)O3 (BTSx) are described. These measurements were carried out within the range of para-ferroelectric phase transition and also for the high temperature paraelectric phase (from 300 K to 723 K). Within the range, where glass-like anomalies were noticed, the occurrences of electric properties peaks were recorded as well. Their occurrences are interpreted under the assumption of polar regions presence within the paraelectric phase. The size and dynamics of these polar regions influence the dielectric response at given temperatures and frequency of external electric field. Anomalies of dielectric losses and phase angle are pointing out on non-homogeneity and thermal evolution of polar regions. © 2010 Elsevier Ltd and Techna Group S.r.l.

Wdowik U.D.,Pedagogical University of Cracow
Physical Review B - Condensed Matter and Materials Physics | Year: 2011

Density functional theory is applied to study the effect of substitutional Fe, Al, and In impurities on the structural, electronic, and magnetic properties of stoichiometric and nonstoichiometric CoO. Ab initio calculated hyperfine interactions at the Fe impurity are used to determine aliovalent states of iron dopant in CoO and Co1-xO systems as well as to characterize the local structure around the impurity. Various Hubbard potentials describing the on-site Coulomb interactions at the Fe impurity are considered, and their influence on the calculated hyperfine parameters and electronic structure of Fe-doped CoO is analyzed. Different vacancy-impurity configurations within the Co-deficient matrix are taken into account to find the site preferences for Fe, Al, and In dopants. The hyperfine parameters at the Fe impurity in Co 1-xO are also investigated as a function of the distance between vacancy and impurity. This study shows that divalent Fe cations are created inside the almost perfect host lattice, while the trivalent Fe cations are stabilized in the system containing cobalt vacancies. Trivalent Co ions are induced in the cobalt sublattice defected by vacancies and impurities. The overall concentration of trivalent cations in Co1-xO is twice as large as the concentration of cation vacancies. Trivalent cations of different ionic radii prefer residing in the second-neighbor sites of a cationic sublattice with respect to the cobalt vacancy. The energy gap of CoO with Fe2+ ions is comparable to that calculated for the defect-free system. The band gap of Co1-xO with Fe3+ and Co3 + ions is reduced due to the acceptor states introduced by both trivalent cations. Band-gap reduction arising from acceptor levels created by Co3+ cations is also observed for Co1-xO defected by nonmagnetic trivalent impurities. The present first-principles studies support and supplement results of several Mössbauer spectroscopy experiments. © 2011 American Physical Society.

Bujakiewicz-Koronska R.,Pedagogical University of Cracow
Computational Materials Science | Year: 2013

Ab initio studies of structural, elastic and electronic properties of the tetragonal perovskite-type PbZr0.5Ti0.5O3 are presented using the pseudo-potential plane wave method within the density functional theory in generalized gradient approximation. The calculated equilibrium lattice parameters remain in a good agreement with the available experimental data. The bulk modulus obtained from the Birch-Murnaghan equation of state is calculated as it B0 = 170 GPa, and the gap energy E g = 2.1-3.5 eV. The some differences between calculated and nominal charges exist for all atoms. The biggest ones are on the Pb ions. They are caused by hybridization of the Pb 6s and O 2p states. The influence of the strain on the averaged over directions Young modulus in the 0.1-0.3% range was studied. © 2013 Elsevier Ltd. All rights reserved.

Bryndal T.,Pedagogical University of Cracow
Carpathian Journal of Earth and Environmental Sciences | Year: 2014

The European Union has obligated all Members States, to perform a preliminary assessment to identify the catchments at risk of flooding. Usually, hydro-meteorological data and historical information about flooding are used to determine whether a catchment is at risk of flooding or not. Such information is missing for many small Carpathian catchments. Therefore, a method, enabling identification of small catchments more prone to flash flood generation, was proposed. The method focused on physiographic parameters of catchment. Eighty-five catchments where flash floods were well-documented, were described by physiographic parameters. The parameters described dimension, shape, relief, hydrological and geological conditions and land use. Then, the influence of those parameters on flash flood formation process was studied. The results revealed that physiographic parameters of those catchments made them more sensitive to flash flood generation. On the basis of these parameters, types of the Carpathian catchments more prone to flash flood generation were created. The method was tested in south-eastern part of the Polish Carpathians. Catchments resembling the types were identified within a group of 366 catchment located in this area. The results revealed that many flash flood events recorded in the study area, had taken place within catchments identified by use of the method. This fact suggests that the method enable to identify catchments more prone to flash flooding in the geographical space. Therefore, the method may be a valuable tool in the process of flood risk management in the Carpathians.

Nowak M.,Pedagogical University of Cracow
Experimental and Applied Acarology | Year: 2011

The distribution of the meadow tick, Dermacentor reticulatus (Fabricius) is divided into two separate areas-Western Europe and Eastern (Russian). The break in distribution of this species falls in Poland, as well as other sites. The populations of D. reticulatus in Poland, which have been confirmed by collecting ticks from vegetation, are located in the north-eastern and western parts of the country, although there are also reports of D. reticulatus occurring on hosts in several parts of Poland which have not been confirmed by collecting ticks from vegetation. Until this research was carried out, the view was that this species does not occur in the western part of Poland in the area between the Vistula and Oder rivers. In the site surveys conducted in the Lubuskie Province (western part of Poland around the city of Zielona Góra, about 55 km from the Polish-German border), during the springtime activity peak for adult stages looking for hosts, seven natural implantations of D. reticulatus were discovered where 208 tick specimens were collected by flagging. These were exclusively adult stages, including 127 females and 81 males. Because of the distance (around 350 km) from the nearest focus in Mazuria in North-eastern Poland, the populations discovered have been named the D. reticulatus "Lubuskie Focus". The research proves for the first time that D. reticulatus occurs in Western Poland. The research indicates that D. reticulatus is the second most important tick in Poland, after Ixodesricinus (L.), which is epidemiologically very important, especially as a parasite on dogs and cattle. The proliferation of the meadow tick in Central Europe is inseparably linked with the expansion of canine babesiosis. © 2011 Springer Science+Business Media B.V.

Cieplinski K.,Pedagogical University of Cracow
Computers and Mathematics with Applications | Year: 2011

A mapping f:VnW, where V is a commutative group, W is a linear space, and n<2 is an integer, is called multi-quadratic if it is quadratic in each variable. In this paper, we prove the generalized Hyers-Ulam stability of multi-quadratic mappings in Banach spaces and complete non-Archimedean spaces. © 2011 Elsevier Ltd. All rights reserved.

Agency: European Commission | Branch: H2020 | Program: CSA | Phase: MSCA-NIGHT-2014 | Award Amount: 443.72K | Year: 2014

The project Malopolska Researchers Night will be implemented in the years 2014 and 2015 respectively for the eighth and ninth time. The event has already permanently inscribed in the calendar of Malopolska scientific events, enjoying growing from year to year popular among participants and becoming one of the biggest Nights in Europe. In 2013, this event was attended by over 55 thousand people, while in the first year of the project (2007) the event was attended only by 3.5 thousand people. The event program specified in the application is even richer than before it will take over 1 thousand activities, mainly interactive workshops, presentations, demonstrations and experiments as well as shows with the participation of scientists. It is estimated that 60 thousand people will participate in the events in 2014 and 65 thousand people in 2015. Malopolska Researchers Night is to first of all show participants how interesting is the work of scientists and how fascinating they are people. Through fun, in accessible and understandable way for everybody, we want to show that all around us is the science, and that scientists in their laboratories are working every day to make our life better, easier and more modern. The main motto of the project for the years 2014 and 2015 will be to present the successes of Malopolska scientists working in international scientific-research teams. The event will be held in six cities of the Region: Krakow, Tarnow, Nowy Sacz and Niepolomice and - for the first time in 2014 - also in Skawina and Andrychow. In addition, it is planned the live broadcast from selected locations via event website. The program will be prepared by almost 900 researchers, more than 1 600 students, about 120 research groups from more than 30 partners. Thanks to the extensive promotional campaign the information about the event will reach to nearly 3.5 million people each year.

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