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Wyświetlanie 1-15 z 64
Tytuł:
Four- and Two-Wave Mixing in Solids
Autorzy:
Suchocki, A.
Gilliland, G. D.
Quarles, G. J.
Petrovic, M. S.
Powell, R. C.
Powiązania:
https://bibliotekanauki.pl/articles/1888054.pdf
Data publikacji:
1991-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
42.65.Ma
71.35.+z
Opis:
The paper gives an overview of theory and presents several examples of application of some holographic techniques: four-wave mixing, self-scattering and beam coupling to study nonlinear optical properties of solids. Among them excitation energy transfer in chromium-doped vibronic laser materials and picosecond study of undoped CdTe are reported.
Źródło:
Acta Physica Polonica A; 1991, 80, 2; 207-219
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Podejmowanie decyzji personalnych
Making personnel decisions
Autorzy:
Piechnik-Kurdziel, Anna
Powiązania:
https://bibliotekanauki.pl/articles/415613.pdf
Data publikacji:
2005
Wydawca:
Małopolska Wyższa Szkoła Ekonomiczna w Tarnowie
Tematy:
zarządzanie zasobami ludzkimi
zarządzanie personelem
podejmowanie decyzji kadrowych
podejmowanie decyzji kierowniczych
proces podejmowania decyzji
decyzje personalne
Human Resources Management (HRM)
personnel management
personnel decision ma king
managerial decision making
decision making process
personal decisions
Opis:
W artykule podjęto kwestie identyfikowania i rozwiązywania problemów personalnych, co składa się na podejmowanie decyzji w sferze zarządzania personelem w przedsiębiorstwie. Omówiono istotę problemu personalnego, jego identyfikację oraz typologie i kryteria decyzji personalnych. Szczególną uwagę skierowano na proces podejmowania decyzji personalnych. Zaprezentowano poszczególne fazy tego procesu i jego podmioty decyzyjne.
The paper presents issues concerning identification and solving personnel problems, i.e. the ones, which are made at the level of personnel management in a company. The starting point was characterizing the essence of the personnel problems, indicating the areas where they appear and developing typologies of personnel decisions. The most attention has been paid to the process of efficient personnel decision making, its stages; main criteria determining the rationality of personnel decisions and subjects involved in that process.
Źródło:
Zeszyty Naukowe Małopolskiej Wyższej Szkoły Ekonomicznej w Tarnowie; 2005, 7; 127-140
1506-2635
Pojawia się w:
Zeszyty Naukowe Małopolskiej Wyższej Szkoły Ekonomicznej w Tarnowie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Images of the Seabed of the Gulf of Gdańsk Obtained by Means of the Parametric Sonar
Autorzy:
Kozaczka, E.
Grelowska, G.
Kozaczka, S.
Powiązania:
https://bibliotekanauki.pl/articles/1537471.pdf
Data publikacji:
2010-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.30.Ma
43.50.Pc
43.25.Jh
Opis:
The main goal of this paper is to present results of the experimental investigation of the seabed by means of parametric echosounder in the form of chosen images. The phenomena of nonlinear interaction between two parallel beams of high intensity gives as a results very narrow beam of low frequency wave, that enables to penetrate the sea bottom. The first step of our investigations was calibration of all the elements of the measuring system. In the second step the marine trials were carried out. For this purpose the mobile measuring set up was installed on the board of sailing boat. The details about the measuring devices can be found below. The main goal of these investigations was to determine the structure of the seabed for different places of the Gulf of Gdańsk. The special features of parametric generation of sound beam allow to penetrate the bottom for more then several meters. At the end of the paper, a set of images that illustrated the results of investigations has been presented.
Źródło:
Acta Physica Polonica A; 2010, 118, 1; 91-94
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sounding of Layered Marine Bottom - Model Investigations
Autorzy:
Grelowska, G.
Kozaczka, E.
Powiązania:
https://bibliotekanauki.pl/articles/1537422.pdf
Data publikacji:
2010-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.30.Ma
43.50.Pc
43.25.Jh
Opis:
The necessary actions connected with interpretations of examining of physical properties of sea bottom structure is developing of proper procedure of modeling of the layered structure. The implementation of the acoustic waves for the determination of seabed stratification requires a precise diagnosis of the topic from both the theoretical and practical side. Little differences between the parameters of sediments, as well as irregular distance between layers make the interpretation of the images of cross sections uneasy. The paper presents the model of stratified structure of seabed in the form of a liquid on which falls the perpendicular elastic wave. Since the description of the seabed is made on the basis of reflected impulse shape, which provides the information about the structure and material properties such as density and speed of wave propagation, the important role among other things has the spatial resolution, because the pulse length determines the possibility of distinguishing between the layers. These aspects require very careful analysis of the form of reflected signals.
Źródło:
Acta Physica Polonica A; 2010, 118, 1; 66-70
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Transformation in Islamic Thought: The House of Wisdom (Bayt al-Hikmah) in the Context of Occidentalism versus Orientalism
Autorzy:
Tas, Ismail
Powiązania:
https://bibliotekanauki.pl/articles/423243.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Tematy:
Al-Ma'mun
occidentalism
orientalism
philosophy
theology
okcydentalizm
orientalizm
filozofia
teologia
Opis:
The House of Wisdom (Bayt al-Hikmah) was built first as a library where the books on the sciences of the Ancients were kept. Under the sponsorship of the Caliph Al-Ma'mun (813-833), it developed into a scientific institute where the books on Ancient Greek philosophy were translated into Arabic. The Caliph acquired many Greek manuscripts and generously supported the translation activities in the House. By the end of the century, Arabic translation of the major works of the Greek philosophy and science had been completed. Thus, the Caliph and his House paved the way for the rise and flourish of Islamic philosophy and science.
Źródło:
IDEA. Studia nad strukturą i rozwojem pojęć filozoficznych; 2011, 23; 245-270
0860-4487
Pojawia się w:
IDEA. Studia nad strukturą i rozwojem pojęć filozoficznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Examination of the Upper Layers of the Seabed by the Means of the Acoustic Methods
Autorzy:
Kozaczka, E.
Grelowska, G.
Szymczak, W.
Kozaczka, S.
Powiązania:
https://bibliotekanauki.pl/articles/1504447.pdf
Data publikacji:
2011-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.30.Ma
43.30.Pc
43.25.Jh
Opis:
Propagation of acoustic waves in the sea, in particular in shallow sea, depends on several factors. The basic of them are source power and frequency of acoustic waves, spatial distribution inhomogeneous medium in which acoustic wave propagates, and distributions of speed of sound and density of seawater. The coastal conditions, which limit water medium from above (free surface of the sea) and from bottom (the seabed), are no less important. In this paper we will consider the examination of the layer structure of the seabed by the means of the acoustic methods. By the notion of acoustic methods we mean use of phenomena in the field of nonlinear hydroacoustics. Based on this, the parametric sonar was constructed and was used to the seabed sounding. This parametric sonar is commonly called sub-bottom profiler. The selected results of extensive experimental research, that have been performed in waters of the Gulf of Gdańsk in the years 2008-2010, will be presented in this work.
Źródło:
Acta Physica Polonica A; 2011, 119, 6A; 1091-1094
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykaz prac magisterskich napisanych w ramach studiów w Wyższym Seminarium Duchownym w Ełku w latach 1992-2011
The List of M.A. Theses Written Within Studying at the Diocesan Seminary in Ełk in 1992-2011
Autorzy:
Guzewicz, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/512578.pdf
Data publikacji:
2011
Wydawca:
Wydawnictwo Diecezjalne Adalbertinum
Tematy:
M.A. thesis
seminary
Ełk
Opis:
The article presents the list of M.A. theses prepared by students of the Theological Seminary in Elk in 1992-2011. The list consists of 152 items which contain names of students, titles of their theses, and names of their major advisors. The M.A. theses dealt with following domains of knowledge: biblical studies, dogmatic theology, moral theology, spiritual theology, philosophy, canon law, history of Church, patristic, catechetic, ecumenism, and sociology of religion. The graduation exams were held at academic institutes in Cracow, Lublin, Olsztyn and Warsaw.
Źródło:
Studia Ełckie; 2011, 13; 531-544
1896-6896
2353-1274
Pojawia się w:
Studia Ełckie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation of Multiple Access Techniques Applicable for Maritime Satellite Communications
Autorzy:
Ilcev, S. D.
Powiązania:
https://bibliotekanauki.pl/articles/116635.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Global Maritime Distress and Safety System (GMDSS)
Maritime Mobile Satellite Communications (MMSC)
Multiple Access (MA)
Multiple Access Techniques
Code Division Multiple Access (CDMA)
Time Division Multiple Access (TDMA)
Frequency Division Multiple Access (FDMA)
Random (Packet) Division Multiple Access (RDMA)
Opis:
In this paper are introduced fundamentals, characteristics, advantages and disadvantages of Multiple Access (MA) employed as transmission techniques in the Maritime Mobile Satellite Communications (MMSC) between ships and Coast Earth Station (CES) via Geostationary Earth Orbit (GEO) or Not-GEO satellite constellations. In fixed satellite communication, as a rule, especially in MMSC many users are active at the same time. The problem of simultaneous communications between many single or multipoint mobile satellite users can be solved by using MA technique, such as Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), Space Division Multiple Access (SDMA) and Random (Packet) Division Multiple Access (RDMA). Since the resources of the systems such as the transmitting power and the bandwidth are limited, it is advisable to use the channels with complete charge and to create a different MA to the channel. This generates a problem of summation and separation of signals in the transmission and reception parts, respectively. Deciding this problem consists in the development of orthogonal channels of transmission in order to divide signals from various users unambiguously on the reception part.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 4; 529-540
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of Transmit and Receive Characteristics of Laboratory Model for the Parametric Echosounder
Autorzy:
Grelowska, G.
Kozaczka, E.
Nowicki, A.
Kozaczka, S.
Szymczak, W.
Tymkiewicz, R.
Powiązania:
https://bibliotekanauki.pl/articles/1400099.pdf
Data publikacji:
2013-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.30.Ma
43.30.Pc
43.25.Jh
Opis:
Investigation and operation of devices based on nonlinear interaction of high-intensity waves have been carried out for several decades. However, it is still a new tool to study the properties of the water environment and especially the upper layers of the seabed. This paper describes the results of tests of the new device that is intended to be applied for sounding underwater areas. The device has been designed and built in collaboration with the Department of Ultrasound of the Institute of Fundamental Scientific Researches of the Polish Academy of Sciences in Warsaw.
Źródło:
Acta Physica Polonica A; 2013, 123, 6; 1094-1097
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 64

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