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Wyświetlanie 1-10 z 29
Tytuł:
Lexikalische Lesefrüchte und Korrekturen in Griechischen Papyri aus Plaur- und Psi-online
Autorzy:
Diethart, Johannes
Powiązania:
https://bibliotekanauki.pl/articles/1195104.pdf
Data publikacji:
2014
Wydawca:
Fundacja im. Rafała Taubenschlaga
Tematy:
Greek lexikography
Plaur II 36
PSI III 239
PSI VII 839
τερεβινθεύς
Opis:
This paper is concerned with lexicographical collectanea in Greek papyri from PLaur and PSI online. It relates to corrections and rereading in P. Laur II 36, PS III 239 (rereading the occupational title τερεβινθεύς) and PSI VII 839.
Źródło:
The Journal of Juristic Papyrology; 2014, 44; 133-136
0075-4277
Pojawia się w:
The Journal of Juristic Papyrology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On values of the psi function
Autorzy:
Adam, M.
Piątek, B.
Pleszczyński, M.
Smoleń, B.
Wituła, R.
Powiązania:
https://bibliotekanauki.pl/articles/122581.pdf
Data publikacji:
2017
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
psi function
golden ratio
Fibonacci numbers
funkcja psi
złota proporcja
liczby Fibonacciego
Opis:
In the present paper, values of the psi function for many arguments connected with the golden ratio and Fibonacci numbers are determined or given in alternative form. Moreover, some integral representation of the psi function is found. This is a potential calculation base of values of the psi function for powers of argument. We also note that this integral representation gives better numerical estimation of values of the psi function than the respective Legendre’s integral formula.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2017, 16, 1; 7-18
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Włoska Partia Socjalistyczna i opozycja zza „żelaznej kurtyny”: przypadek Polski w kontekście relacji Craxi–Solidarność
The Italian Socialist Party (PSI) and the Dissidence beyond the Iron Curtain: the Polish Case in the Craxi–Solidarność Relations
Autorzy:
Landoni, Enrico
Powiązania:
https://bibliotekanauki.pl/articles/1365406.pdf
Data publikacji:
2021-05-29
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
Craxi
Polska
dissidence
Avanti!
PSI
Opis:
The election of Bettino Craxi as PSI general secretary marked, from 1976, a very important turning point in thehistory of Italian socialism. His dynamic and charismatic leadership in fact contributed to a profound revisionof its ideological seeds, the so-called scientific Marxism, and above all to the recovery of the humanitarianand libertarian suggestions of pre-Marxist socialism. This led to the clear and definitive condemnation of theMarxist-Leninist model, which had found its practical realization in the Soviet system and in the countriesbeyond the Curtain, and prompted PSI to support the anti-communist dissidence and to establish strongrelations with the Polish opposition and above all with Solidarność. Craxi, both in the role of PSI generalsecretary and as Italian prime minister, was able to provide it with a great political-diplomatic support and alot of concrete help. Up to now, the history of these relations has not yet been adequately studied and thispaper therefore aims to fill the gap.
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia Politologica; 2020, 25, 325; 5-53
2081-3333
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia Politologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przestrzenne rozmieszczenie osiadań w rejonie Kopalni Soli Wieliczka w świetle satelitarnych danych interferometrycznych
Spatial distribution of subsidence in the Wieliczka Salt Mine area as detected through satellite interferometry
Autorzy:
Wąsowski, J.
Bovenga, F.
Nutricato, R.
Conte, D.
Refice, A.
Gregor, M.
Kowalski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2074682.pdf
Data publikacji:
2009
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
satelitarne dane interferometryczne (PSI)
Wieliczka
osuwiska górnicze
Persistent Scatterers Interferometry (PSI)
mining-induced subsidence
landslides
Opis:
The paper presents the use of the Persistent Scatterers Interferometry (PSI) Synthetic Aperture Radar (SAR) data to determine magnitude of subsidence in area of the town ofWieliczka. The town is home to a unique salt mine, over 700 years old, one of the best known tourist attractions in Poland. Each year the mine is visited by about 1 million tourists from all over the world and in 1978 UNESCO placed it on its first International List of theWorld Cultural and Natural Heritage. There is direct evidence that the mining has been influencing stability of ground and buildings in the town, which is located above the mine. The application of the PSI SPINUA technique made it possible to identify large number of radar targets (with density exceeding 100 PS/km2), suitable for monitoring ground motion in the Wieliczka area. The results show continuous subsidence with average annual movements ranging from a few millimeter per year to 24 mm/yr in the period 1992–2000. The detected subsiding zone very well corresponds to the extent of the underground salt mine. There are also indications of possible connections between the mine-induced subsidence and the presence of the old large landslides occurring on the north-facing slopes south of the Wieliczka Salt Mine.
Źródło:
Przegląd Geologiczny; 2009, 57, 2; 164-172
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calcium Carbonate Scale Formation, Prediction and Treatment (Case Study Gumry Oilfield-PDOC)
Autorzy:
Saifelnasr, A.
Bakheit, M.
Kamal, K.
Lila, A.
Powiązania:
https://bibliotekanauki.pl/articles/412521.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
scale formation
LSI
RSI
PSI indices
Opis:
In this study the predictions and probabilities of calcium carbonate scale formation and corrosion occurrence inside Gumry Field Process Facilities (GFPF) and produced water injection process units (PWTP) was carried out. This was done calculating the Langelier Saturation Index (LSI), Ryznar Stability Index (RSI), Puckorius Scaling Index (PSI). The samples results for LSI index and PSI index were compared and found that all samples under threaten of calcium carbonate scale. The samples results for RSI index and found that all samples under formation of heavy calcium carbonate scale. Special excel computer program was designed to calculate the (LSI, RSI, PSI). The scale was cleaned and removed by 10 % diluted hydrochloric acid and commercial scale inhibitor.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 12; 47-58
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improved photoresponse of porous silicon photodetectors by embedding CdS nanoparticles
Autorzy:
Abd, Ahmed N.
Powiązania:
https://bibliotekanauki.pl/articles/1193949.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
CdS
Nanoparticles
PSi
Photodetector
SEM
XRD
Opis:
In this research, the nanocrystalline porous silicon (PSi) films are prepared by electrochemical etching of p types silicon wafers with 15 mA/cm2 etching current densities and 15 min etching time on the formation nanosized pore array. PSi was characterized by the measurement of XRD, FTIR spectroscopy and atomic force microscopy properties (AFM). We have estimated crystallites size from X-Ray diffraction about nanoscale for PSi and Atomic Force microscopy confirms the nanometric size Chemical fictionalization during the electrochemical etching show on the surface chemical composition of PSi. The atomic force microscopy investigation shows the rough silicon surface. Also, it is reported the preparation of colloidal CdS nanoparticles NPs prepared by laser ablation in liquid (LAL) technique by irradiating with a Nd:YAG laser pulses CdS target immersed in methanol and varying the laser fluence 1.32 J/cm2. The structural, morphological and optical of CdS NPs has been studied. XRD measurement disclosed that the CdS NPs were of wurtzite hexagonal crystal structure. Transmission electron microscopy (TEM) investigation revealed that the synthesized CdS particles are spherical and have an average particle size in the range of (25 nm). AFM investigations showed that the produced CdS particles have ball-shape with good disposability. The energy band gap of CdS NPs prepared with 1.32 J/cm2 laser fluence has been determined from optical properties and found to be in the range (2.9 eV). Optical constants of CdS NPs were determined from transmittance and reflectance spectra.The effect of CdS NPs diffusion on properties of PSi Photodetector have reported which reveals that improving in (Al/PSi/Si/Al). The results show that a linear relationship between 1/C2 and reverse bias voltage was obtained. The built-in potential have values depending on the etching time current density and laser flunce. Al/CdSe/PSi/Si/Al photodetector hetrojunction have two peaks of response located at 415 nm and (700 -800nm) with max sensitivity 0.6 A/W. The maximum specific detectivity is 6.8×〖10〗^12 cm•〖Hz〗^(1/2) 〖•W〗^(-1) at 770 nm wavelength.
Źródło:
World Scientific News; 2015, 19; 32-49
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficient alternatives to PSI-BLAST
Autorzy:
Startek, M.
Lasota, S.
Sykulski, M.
Bułak, A.
Noé, L.
Kucherov, G.
Gambin, A.
Powiązania:
https://bibliotekanauki.pl/articles/201603.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
PSI BLAST tool
sequence alignment
seeding technique
Opis:
In this paper we present two algorithms that may serve as efficient alternatives to the well-known PSI BLAST tool: SeedBLAST and CTX-PSI Blast. Both may benefit from the knowledge about amino acid composition specific to a given protein family: SeedBLAST uses the advisedly designed seed, while CTX-PSI BLAST extends PSI BLAST with the context-specific substitution model. The seeding technique became central in the theory of sequence alignment. There are several efficient tools applying seeds to DNA homology search, but not to protein homology search. In this paper we fill this gap. We advocate the use of multiple subset seeds derived from a hierarchical tree of amino acid residues. Our method computes, by an evolutionary algorithm, seeds that are specifically designed for a given protein family. The seeds are represented by deterministic finite automata (DFAs) and built into the NCBI-BLAST software. This extended tool, named SeedBLAST, is compared to the original BLAST and PSI-BLAST on several protein families. Our results demonstrate a superiority of SeedBLAST in terms of efficiency, especially in the case of twilight zone hits. The contextual substitution model has been proven to increase sensitivity of protein alignment. In this paper we perform a next step in the contextual alignment program. We announce a contextual version of the PSI-BLAST algorithm, an iterative version of the NCBI-BLAST tool. The experimental evaluation has been performed demonstrating a significantly higher sensitivity compared to the ordinary PSI-BLAST algorithm.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 3; 495-505
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza deformacji powierzchniowych wzdłuż południowo-zachodnich wybrzeży Zatoki Gdańskiej z zastosowaniem satelitarnych danych interferometrycznych
PSI analysis of ground deformations along SW coast of the Gulf of Gdańsk
Autorzy:
Czarnogórska, M.
Graniczny, M.
Uścinowicz, Sz.
Nutricato, R.
Triggiani, S.
Nitti, D. O.
Bovenga, F.
Wąsowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/2074934.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
PSI
teledetekcja
przemieszczenia gruntu
bałtycka strefa przybrzeżna
Persistent Scatterers Interferometry (PSI)
remote sensing
ground displacements
Baltic coastal zone
Opis:
The paper presents results of SPINUA (Stable Point Interferometry over Unurbanised Areas) Persistent Scatterers Interferometry (PSI) processing chain to study Earth surface deformations along the SW coast of the Gulf of Gdańsk, along the SE part of the Baltic Sea. As the input for SPINUA techniques 40 descending ERS-1/2 SLC (Frame = 251, Track = 36) images from the period 1995-2001 has been used. The area of interest (AOI) includes few cities and several towns, villages and harbors. The low lying coastal areas of the SW part of the Gulf of Gdańsk are at risk of floods and marine erosion. The PSI results, however, did not reveal the presence of a regional scale, spatially consistent pattern of displacements. It is likely that any crustal deformations in the AOI simply do not exceed +2 mm/year, which is the velocity threshold we assumed to distinguish between moving and non-moving persistent scatterers (PS). Importantly, for the most part the urban areas of the main cities (Gdańsk, Gdynia and Sopot) results show ground stability. Nevertheless, significant downward movements up to several mm/year, are locally noticed in the Vistula river delta - alluvial plain system located in the coastal zone east of Gdańsk as well as in the inland area west of the Gdańsk city. Indeed, the highest subsidence rates (-12 mm/year) was observed in the Gdańsk petroleum refinery constructed on alluvial sediments. Thus the anthropogenic loading and consolidation of the recent deposits can locally be an important factor causing ground subsidence.
Źródło:
Przegląd Geologiczny; 2012, 60, 4; 206-211
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dual-band Bisected Psi Antenna for 3G, Wi-Fi, WLAN and Wi-MAX Applications
Autorzy:
Sura, Penchala Reddy
Reddy, S. Narayana
Powiązania:
https://bibliotekanauki.pl/articles/308721.pdf
Data publikacji:
2020
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
3G
bisected psi
dual-band
stub
WLAN
Opis:
This paper presents an inexpensive and simple dual-band bisected psi antenna for 3G, Wi-Fi, WLAN, and WiMAX applications is presented. The antenna comprises a bisected psi-shaped patch on a low-price FR4 substrate with a cropped ground plane on the other side, and is fed by a 50 Ω microstrip line. It operates at two distinct frequency bands of 1.87–2.76 GHz and 5.16–5.75 GHz with |S11|≤ -10 dB.
Źródło:
Journal of Telecommunications and Information Technology; 2020, 1; 56-61
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Weak sharp minima in multiobjective optimization
Autorzy:
Studniarski, M.
Powiązania:
https://bibliotekanauki.pl/articles/970933.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
weak psi-sharp Pareto minima
nonsmooth functions
multiobjective optimization
Opis:
We extend some necessary and sufficient conditions for strict local Pareto minima of order m obtained by Jiménez (2002) to the case of weak ψ-sharp local Pareto minima, i.e., to the case when the local solution is not necessarily unique.
Źródło:
Control and Cybernetics; 2007, 36, 4; 925-937
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
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