Autor: Meszaros, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Changes in physical properties of sandy soil after long-term compost treatment
Autorzy:: Aranyos, J.T.
Tomocsik, A.
Makadi, M.
Meszaros, J.
Blasko, L.
Powiązania:: https://bibliotekanauki.pl/articles/24099.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: physical property
sandy soil
long-term treatment
compost
bulk density
air permeability
infiltration
erosion
Źródło:: International Agrophysics; 2016, 30, 3
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Fitting traffic traces with discrete canonical phase type distributions and Markov arrival processes
Autorzy:: Mészáros, A.
Papp, J.
Telek, M.
Powiązania:: https://bibliotekanauki.pl/articles/329820.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: fitting traffic traces
discrete phase type distribution
discrete Markov arrival process
canonical representation
rozkład fazowy
proces Markowa
przedstawienie kanoniczne
Opis:: Recent developments of matrix analytic methods make phase type distributions (PHs) and Markov Arrival Processes (MAPs) promising stochastic model candidates for capturing traffic trace behaviour and for efficient usage in queueing analysis. After introducing basics of these sets of stochastic models, the paper discusses the following subjects in detail: (i) PHs and MAPs have different representations. For efficient use of these models, sparse (defined by a minimal number of parameters) and unique representations of discrete time PHs and MAPs are needed, which are commonly referred to as canonical representations. The paper presents new results on the canonical representation of discrete PHs and MAPs. (ii) The canonical representation allows a direct mapping between experimental moments and the stochastic models, referred to as moment matching. Explicit procedures are provided for this mapping. (iii) Moment matching is not always the best way to model the behavior of traffic traces. Model fitting based on appropriately chosen distance measures might result in better performing stochastic models. We also demonstrate the efficiency of fitting procedures with experimental results.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2014, 24, 3; 453-470
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Influence of Electromagnetic Shield on the High Frequency Electromagnetic Field Penetration through the Building Material
Autorzy:: Kolcunová, I.
Pavlík, M.
Beňa, L'.
Čonka, Z.
Ilenin, S.
Kanálik, M.
Kolcun, M.
Mészáros, A.
Medveď, D.
Zbojovský, J.
Powiązania:: https://bibliotekanauki.pl/articles/1032736.pdf
Data publikacji:: 2017-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 41.20.Gz
Opis:: This paper studies how to protect people against electromagnetic radiation inside a building. Widespread usage of the mobile communication led to building of more and more new GSM base-station antennas. These antennas are often placed in the areas with high population density. These antennas emit electromagnetic radiation in standard mobile operator frequencies, i.e. 0.9, 1.8 and 2.1 GHz. Many studies have shown potential biological and thermal effects of GSM electromagnetic fields, therefore people are concerned about their health. Electromagnetic wave does not penetrate the wall of the building as a whole. A small part of the wave is reflected and a small part is absorbed by the building material. In this paper the penetration of electromagnetic waves through the commercially available building materials is measured with specific focus on frequencies of 0.9, 1.8, and 2.1 GHz. Next, the surface of the chosen building material was coated with a magnetic conductive paint in order to improve the shielding effect of the building material. The results of experiment show how the electromagnetic shield reduces the penetration of electromagnetic waves through the building wall.
Źródło:: Acta Physica Polonica A; 2017, 131, 4; 1135-1137
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Additional Modification of Thermomagnetic Properties of Objects of Low Relative Permeability in Electromagnetic Field
Autorzy:: Medveď, D.
Zbojovský, J.
Pavlík, M.
Ilenin, S.
Čonka, Zs.
Kanálik, M.
Kolcunová, I.
Mészáros, A.
Beňa, L.
Kolcun, M.
Powiązania:: https://bibliotekanauki.pl/articles/1032188.pdf
Data publikacji:: 2017-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 44.05.+e
Opis:: This paper presents the characteristics of the foodstuff heating phenomenon using induction heating process by an induction cooker. The simulation setup was prepared according to the proposed magnetic material and configuration of the pot and induction cooker. The material properties of pot were varied among the several alternatives. The helical coil was designed on the base of the limitation of the induction cooker size and given number of coil turns and coil tube diameter with specific supplied electric current density. The data from the simulation analysis have to determine the enhancing of the highest heat transfer from induction cooker into pot. These data led to the modification of the material and geometrical properties of the pot in accordance to a minimum heating time and enhanced safety operation, especially close to unshielded magnetic objects.
Źródło:: Acta Physica Polonica A; 2017, 131, 4; 1138-1140
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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