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Wyświetlanie 1-10 z 54
Tytuł:
Adult Education Research in Poland and Germany on the European Level: Two Sleeping Beauties?
Badania nad edukacją dorosłych w Polsce i Niemczech na szczeblu europejskim: dwie Śpiące Królewny?
Autorzy:
Käpplinger, Bernd
Powiązania:
https://bibliotekanauki.pl/articles/417708.pdf
Data publikacji:
2014
Wydawca:
Akademickie Towarzystwo Andragogiczne
Tematy:
Adult education research
Polska
Germany
ESREA
program analysis
badania nad edukacją dorosłych
Polska
Niemcy
Program analysis
Opis:
This paper analyzes Polish and German papers contributed to conferences of the European research society ESREA. The method “program analysis” is used. The analysis demonstrates that Polish and German researchers are present in this European forum for research in adult education. But there are also some shortcomings. Perspectives for further improvement are suggested and discussed.393-41
Niniejszy artykuł jest poświęcony analizie Polskich oraz Niemieckich referatów nadesłanych na konferencje Europejskiego Stowarzyszenia Badaczy Edukacji Dorosłych (ESREA). Użyto tutaj metody „program analysis”, dzięki której wykazano, że Polscy i Niemieccy naukowcy aktywnie uczestniczą w Europejskim forum dotyczącym badań nad edukacją dorosłych. Jednakże można zaobserwować tutaj pewne wady i braki. Niniejszy artykuł proponuje i omawia sugerowane zmiany.
Źródło:
Rocznik Andragogiczny; 2014, Tom 21; 393-410
1429-186X
2391-7571
Pojawia się w:
Rocznik Andragogiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer-assisted assessment of ovarian echotexture parameters in mares following changes after ovulation determined by ultrasonography
Autorzy:
Akkus, T.
Korkmaz, Ö.
Emre, B.
Zonturlu, A.K.
Yaprakci, Ö.
Powiązania:
https://bibliotekanauki.pl/articles/16625259.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
computer-aided analysis program
embryonic death
mare
ovarian echotexture
ovulation
pregnancy
Opis:
This study was carried out to determine the time-dependent changes in the ultrasonographic image of the ovary with computer-assisted analysis programs at certain intervals after ovulation and to determine whether computer-assisted analysis programs and ovulation programs can be managed in cases where the ovulation time is unknown. The study included 40 purebred Arab mares. The study was subdivided into 4 different time periods of 6 (Group 1), 12 (Group 2), 18 (Group 3) and 24 (Group 4) hours following ovulation. In addition, after ovulation and ultrasonographic examination, natural insemination was performed at 6, 12, 18 and 24 hours, and pregnancy examination and follow-up were performed at 15-30-45 days. In the echotexture analysis, mean grayness value (MGV) and contrast (CON) measurements were at different levels according to the time groups (p<0.001). Homogeneity (HOM) measurements were at different levels according to the time groups (p<0.001). A very strong, significant negative correlation was determined between MGV and pregnancy rates (r=-0.91, p=0.01, p<0.05). No significant relationship was observed between HOM values and pregnancy rates (r=0.19, p=0.23, p>0.05). A very strong, significant negative correlation was determined between CON and pregnancy rates (r=-0.92, p=0.01, p<0.05). It was concluded that the use of ultrasonographic echotexture in mares after ovulation provided very important information. In cases where the time of ovulation was not known, by looking at the values of echotexture parameters, it was seen that the highest pregnancy rates were at the 6th hour and the lowest pregnancy rates were at the 24th hour. As the echotexture parameters MGV and CON increased, it was determined that pregnancy rates decreased, but there was no relationship between them and the HOM value.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 4; 525-533
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lubricant analysis as the most useful tool in the proactive maintenance philosophies of machinery and its components
Autorzy:
Kučera, Marián
Kopčanová, Silvia
Sejkorová, Marie
Powiązania:
https://bibliotekanauki.pl/articles/409706.pdf
Data publikacji:
2020
Wydawca:
STE GROUP
Tematy:
engineering system
lubricant condition monitoring
proactive maintenance strategy
used oil analysis program
Opis:
Condition monitoring and fault diagnosis of engineering systems are critical for the stable and reliable operation in various areas as mobile technology (primarily agricultural, forestry, mining and construction machinery), railways, airlines and large fleets. Thus, to achieve a satisfactory level of reliability for the life of a machine, proactive maintenance strategy is the only key. This means that the application of classical reliability methods suitable for components with sudden failures can be complemented by technical diagnostic methods which have the potential to provide the information about the system condition. In this article we focus on the diagnostic signal related to the used oil – tribodiagnostic measures and is an interesting theoretical item related to the evaluation of the quality of lubricants in the aspect of operation. This is because the oil is in direct contact with single parts of the assessed technical systems. Results tests were reviewed and derived from various parameters of lubricants and their limits that highlight the condition and state of the lubricants under varying categories which include, physiochemical, elemental (wear), contamination and additive analysis.
Źródło:
Management Systems in Production Engineering; 2020, 3 (28); 196-201
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical analysis of parametric circuits
Autorzy:
Lipiński, W.
Powiązania:
https://bibliotekanauki.pl/articles/97187.pdf
Data publikacji:
2012
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
numerical analysis
PSpice program
mathcad
Opis:
The purpose of the paper is to present numerical calculations for circuits with switched capacitors and inductances. Computer simulations have been carried out for an exemplary circuit using PSpice software. Then the analysis has been performed for the circuit according to the numerical algorithm.
Źródło:
Computer Applications in Electrical Engineering; 2012, 10; 61-68
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cząstkowy układ czynnikowy i jego implementacja w module CONJOINT programu R
Fractional factorial designand its implementation in CONJOINT package R program
Autorzy:
Bartłomowicz, Tomasz
Bąk, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/425042.pdf
Data publikacji:
2013
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
fractional factorial design
conjoint analysis
R program
Opis:
The paper presents the development of R package for conjoint features: caFactorialDesign() function which allows to generate a complete or fractional factorial design and caEncodedDesign() function which allows to encode obtained experiments. The basis of both functions is the implementation of AlgDesign package functions in conjoint package. In the proposed solution, it is assumed that to obtain a relevant factorial design the number of variables and their levels with the names of variables should be enough.
Źródło:
Econometrics. Ekonometria. Advances in Applied Data Analytics; 2013, 2(40); 103-114
1507-3866
Pojawia się w:
Econometrics. Ekonometria. Advances in Applied Data Analytics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Slope stability estimation of the Kościuszko Mound in Cracow
Autorzy:
Wrana, B.
Pietrzak, N.
Powiązania:
https://bibliotekanauki.pl/articles/178864.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
soil analysis
FEM
slope stability analysis of soil mound
numerical analysis
PLAXIS program
Opis:
In the paper, the slope stability problem of the Kościuszko Mound in Cracow, Poland is considered. The slope stability analysis was performed using Plaxis FEM program. The outer surface of the mound has complex geometry. The slope of the cone is not uniform in all directions, on the surface of the cone are pedestrian paths. Due to its complicated geometry it was impossible to do computing by Plaxis input pre-procesor. The initial element mesh was generated using Autodesk Autocad 3D and next it was updated by Plaxis program. The soil parameters were adopted in accordance with the detailed geological soil testing performed in 2012. Calculating model includes geogrids. The upper part was covered by MacMat geogrid, while the lower part of the Mound was reinforced using Terramesh Matt geogrid. The slope analysis was performed by successives reduction of φ /c parameters. The total multiplayer ΣMsf is used to define the value of the soil strength parameters. The article presents the results of slope stability before and after the rainfall during 33 days of precipitation in flood of 2010.
Źródło:
Studia Geotechnica et Mechanica; 2015, 37, 2; 93-101
0137-6365
2083-831X
Pojawia się w:
Studia Geotechnica et Mechanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
BCFD - a Visual Basic program for calculation of the fractal dimension of digitized geological image data using a box-counting technique
Autorzy:
Verbovšek, T.
Powiązania:
https://bibliotekanauki.pl/articles/2059206.pdf
Data publikacji:
2009
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
program
Visual Basic
image analysis
fractal dimension
Opis:
The BCFD program was develped for the analysis of digitized objects using a box-counting algorithm, which has the largest number of applications among the fractal methods in the geosciences. Counting is performed by scanning of image pixels in boxes of different sizes, and the number of boxes is determined automatically from the image resolution. The program calculates the fractal dimension D of theobjects in the image, along with the coefficient of determination R2. Input files are thus transferred to ubiquitous BMP images, in a 1-bit monochrome for mat. The pro gram out puts the re sults on screen, into a text file and op tion ally also di rectly into MS Ex cel, where the data can be fur ther used in charts or other cal cu la tions. It was tested with three fractal and three Eu clid ean ob jects with known the o ret i cal val - ues, plus three geo log i cal im age data (a nat u ral river net work and two frac ture net works), and gave re sults with very high or per fect the o - ret i cal ac cu racy. Ap pli ca tion of data val ues ob tained is pre sented with sev eral ex am ples. BCFD is writ ten in Vi sual Ba sic 6.0. The source code is freely avail able, and is open for any mod i fi ca tions or in te gra tion with other soft ware pack ages that are pow ered by Vi sual Ba sic for Ap pli ca tions (VBA) or its equiv a lent.
Źródło:
Geological Quarterly; 2009, 53, 2; 241-248
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Qualitative Analysis of Organizational Changes That Were Steered by the Results-Based Finance Program in Zimbabwe
Autorzy:
Manyera, Artwell
Powiązania:
https://bibliotekanauki.pl/articles/42940716.pdf
Data publikacji:
2024-06-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
qualitative
analysis
organizational changes
results-based finance program
Zimbabwe
Opis:
The study analyzes qualitatively the organizational changes steered by the Results Based Finance program (RBF) in Zimbabwe using a case study of Marondera and Zvishavane districts. The research findings are based on the key informants’ responses from focus group discussions and in-depth interviews. Some qualitative information was sourced from field observations and institutional RBF reports. It was established that significant organizational changes had been driven since the launch of the RBF program in the Marondera and Zvishavane districts in 2011. The changes were categorically stipulated in the RBF program implementation manual. The responsibilities of executive members at both the district and provincial levels expanded. Some of the changes include the introduction of District Steering Committees (DSCs) and Community Based Organizations (CBOs). Furthermore, Health Centre Committees (HCCs) were engaged in implementing the RBF program. Nevertheless, the organizational changes were not augmented by capacity building and empowerment amongst the CBOs, HCCs, and DSCs. Moreover, there was no adequate material and financial support for the new changes. Thus, there is a need to reinforce the organizational changes of health financing programs through robust capacity building among stakeholders engaged.
Źródło:
Polish Political Science Yearbook; 2024, 2(53); 59-79
0208-7375
Pojawia się w:
Polish Political Science Yearbook
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transient recovery voltage analysis for various current breaking mathematical models: shunt reactor and capacitor bank de-energization study
Autorzy:
Oramus, P.
Chmielewski, T.
Kuczek, T.
Piasecki, W.
Szewczyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/140943.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
arc modelling
overvoltages studies
EMTP-ATP program
transients analysis
Opis:
Electric arc is a complex phenomenon occurring during the current interruption process in the power system. Therefore performing digital simulations is often necessary to analyse transient conditions in power system during switching operations. This paper deals with the electric arc modelling and its implementation in simulation software for transient analyses during switching conditions in power system. Cassie, Cassie-Mayr as well as Schwarz-Avdonin equations describing the behaviour of the electric arc during the current interruption process have been implemented in EMTP-ATP simulation software and presented in this paper. The models developed have been used for transient simulations to analyse impact of the particular model and its parameters on Transient Recovery Voltage in different switching scenarios: during shunt reactor switching-off as well as during capacitor bank current switching-off. The selected simulation cases represent typical practical scenarios for inductive and capacitive currents breaking, respectively.
Źródło:
Archives of Electrical Engineering; 2015, 64, 3; 441-458
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer aided prediction of improved complex technical systems reliability
Autorzy:
Blokus-Roszkowska, A.
Kołowrocki, K.
Powiązania:
https://bibliotekanauki.pl/articles/2069503.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
reliability analysis
system improvement
reserved components
reduced intensities
computer program
Opis:
In the paper there is presented the computer program for reliability analysis of complex technical systems with reserved and improved components along with computer program description and application. The computer program allows for automatic reliability characteristics prediction of the improved complex technical systems with hot and cold single reservation of their components and of the improved complex technical systems with reduced intensities of departure from the reliability state subsets of their components. Under the assumption that system components have exponential reliability functions, the unconditional reliability function, the mean values and standard deviations of the unconditional lifetimes in the reliability state subsets and in particular reliability states, the system risk function and the moment when the system risk exceeds a permitted level of the complex technical systems before and after their improvement are determined.
Źródło:
Journal of Polish Safety and Reliability Association; 2011, 2, 2; 255--266
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
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