Temat: shadow - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: In search of financial stability - the case of shadow banking
Autorzy:: Lucius, O.
Powiązania:: https://bibliotekanauki.pl/articles/108384.pdf
Data publikacji:: 2014
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: financial system
financial stability
shadow banking
regulation
Opis:: Financial stability seems to be an important buzzword these days. This paper discusses the threats to financial stability that might arise from shadow banking. In order to properly discuss the problems, shadow banking is defined. Then, which measures to take to remedy this situation will be discussed.
Źródło:: Managerial Economics; 2014, 15, 1; 63-81
1898-1143
Pojawia się w:: Managerial Economics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Attribute analysis as a tool for determining the areas of the late diagenetic Main Dolomite deposits and assessing the stability of the seismic signal parameters
Autorzy:: Smalera, Norbert
Powiązania:: https://bibliotekanauki.pl/articles/2124699.pdf
Data publikacji:: 2022
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: seismic attributes
Zechstein
Main Dolomite
fault shadow
dominant frequency
phase shift map
attenuation
Opis:: The results of the lithofacial analysis of data from the Moracz 3D seismic survey were among the main premises leading to the positioning of the new petroleum exploration well in that area. Unfortunately, the reservoir properties of the drilled part of the Main Dolomite carbonates differed significantly from those anticipated by the analysis of the amplitudes of the seismic signal recorded. Such surprisingly negative results impelled the reinterpretation of 3D seismic data. Hence, a number of analyses of the amplitudes, the frequencies, and the variability of phase shift were carried out in order to determine the influence of these parameters on the lithofacial interpretation of seismic data. The results revealed a fundamental error of amplitude with the extraction maps. It appeared that the distribution of amplitudes is not essentially controlled by the reservoir properties of the Main Dolomite carbonates but by the fault shadow effect coming from Mesozoic graben in the overburden. In addition, a large diversity of frequency spectra was found, which, combined with the small thickness of the exploration level, could have contributed to incorrect identification of seismic reflections. There was also a change in seismic signatures from the same reflection in different parts of the survey, raising doubts about the distribution of the phase rotation. In order to recognize phase rotation diversity, a new seismic data analysis was based upon the selected Triassic sediments of high impedance. The obtained maps demonstrated significant variability within the data volume due to attenuation. The reinterpreted data from the Moracz 3D seismic survey proved the uneven and unstable distribution of amplitudes, frequencies, and phase which resulted in erroneous conclusions of petroleum exploration. After modeling with the use of different frequency ranges, an analysis of the amplitude extraction of the horizons related to the Main Dolomite was performed. Then the amplitude ratio attribute was selected which eliminated the influence of the regional amplitude and frequency distribution and showed the distribution. of dolomite properties more reliably than the amplitude extraction maps.
Źródło:: Geology, Geophysics and Environment; 2022, 48, 2; 111--132
2299-8004
2353-0790
Pojawia się w:: Geology, Geophysics and Environment
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Using GIS and SDSS Tools in the Design of a Photovoltaic System for a Built-up Roof
Autorzy:: Davybida, Lidiia
Wyczałek, Ireneusz
Plichta, Artur
Powiązania:: https://bibliotekanauki.pl/articles/2174644.pdf
Data publikacji:: 2022
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: solar irradiance
historic building
shadow effect
obstructions
geospatial assessment
roof-top photovoltaic system
Opis:: The design and installation of solar panels on the roofs of urban buildings often require consideration of the specific spatial conditions that affect their efficiency. The primary purpose of this work is to develop a procedure for designing and optimizing photovoltaic installations using geomatics methods and specific tools of GIS and CAD systems. The roof of the historic building A2, which is a part of the Poznań University of Technology campus, was selected as the tested object. Solar radiation modelling and determination of suitability zones were performed using SEBE (Solar Energy on Building Envelopes) in QGIS. Possible options for the placement of photovoltaic modules on the roof were simulated with CAD technique in the web-based HelioScope software. The results of the simulation show that the current roof area can generate electrical power of 99.9 MWh/year. The proposed methodology is universal for photovoltaic installations on built-up roofs and can be applied to other buildings and, consequently, the results obtained can be used to improve the content of the solar data urban geoportal.
Źródło:: Geomatics and Environmental Engineering; 2022, 16, 4; 31--58
1898-1135
Pojawia się w:: Geomatics and Environmental Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Study of ODE limit problems for reaction-diffusion equations
Autorzy:: Simsen, J.
Simsen, M. S.
Zimmermann, A.
Powiązania:: https://bibliotekanauki.pl/articles/1397881.pdf
Data publikacji:: 2018
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: ODE limit problems
shadow systems
reaction-diffusion equations
parabolic problems
variable exponents
attractors
upper semicontinuity
Opis:: In this work we study ODE limit problems for reaction-diffusion equations for large diffusion and we study the sensitivity of nonlinear ODEs with respect to initial conditions and exponent parameters. Moreover, we prove continuity of the flow and weak upper semicontinuity of a family of global attractors for reaction-diffusion equations with spatially variable exponents when the exponents go to 2 in $L^\infty(\Omega)$ and the diffusion coefficients go to infinity.
Źródło:: Opuscula Mathematica; 2018, 38, 1; 117-131
1232-9274
2300-6919
Pojawia się w:: Opuscula Mathematica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Modeling with seismic ray tracing in inhomogeneous geological formation
Modelowanie sejsmiczne ośrodków niejednorodnych metodą "punkt strzałowy - punkt odbioru"
Autorzy:: Cygan, S.
Powiązania:: https://bibliotekanauki.pl/articles/952728.pdf
Data publikacji:: 2006
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: śledzenie promienia sejsmicznego
kaustyki
strefa cienia
modelowanie sejsmiczne
seismic ray tracing
caustic points
shadow zone
seismic modeling
Opis:: Seismic ray tracing is an useful tool to solve the complicated problem of wave propagation. It makes possible obtaining essential information about wave propagation in geological media without necessity of computing the full wave field. In this paper the theoretical principle of seismic ray tracing has been presented. Moreover few typical models of inhomogeneous geological media have been taking into account. Ray tracing methods have been divided into several categories and shooting method has been particularly described. Using results of modeling realized with the SEISMIC UN*X system, advantages and possibilities of the practical application in seismic tomography have been shown.
Śledzenie promienia sejsmicznego jest narzędziem do rozwiązywania złożonego zagadnienia propagacji fal. Pozwala uzyskać istotne informacje o rozchodzeniu się fal sejsmicznych w ośrodku geologicznym bez konieczności wyznaczania pełnego pola falowego. W artykule przedstawiono podstawy teoretyczne śledzenia promieni sejsmicznych w kilku wzorcowych modelach niejednorodnych ośrodków geologicznych. Szczególną uwagę zwrócono na modele ośrodków o stałym i o zmiennym gradiencie prędkości w warstwach. Szczegółowo opisano metodę "punkt strzałowy - punkt odbioru". Wykorzystując wyniki modelowania wykonanego za pomocą systemu SEISMIC UN*X, pokazano jego zalety oraz możliwości wykorzystania zarówno w sejsmice głębokiej, jak i płytkiej.
Źródło:: Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2006, 32, 4; 451-462
0138-0974
Pojawia się w:: Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Dostawca treści:: Biblioteka Nauki

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