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Wyświetlanie 1-15 z 57
Tytuł:
A molecular dynamics study of the influence of chemical reduction on the structure of amorphous Germania
Autorzy:
Witkowska, A.
Murawski, L.
Bergmański, G.
Powiązania:
https://bibliotekanauki.pl/articles/1963001.pdf
Data publikacji:
2002
Wydawca:
Politechnika Gdańska
Tematy:
oxide glasses
hydrogen reduction
molecular dynamics
structural modelling
Opis:
The contribution is dedicated to the molecular dynamics (MD) study of the structure of reduced germania glass of composition 1Ge 1GeO2. The work is inspired by a recent report on the formation of Ge clusters in hydrogen reduced germanate glasses containing oxides of heavy metals. The MD simulations have been performed in the microcanonical (NVE) ensemble, using a simple two-body Born-Mayer-Huggins interaction potential. A tendency of germanium atoms to agglomeration into clusters, observed in the present calculations, is compared with an analogous tendency of Bi and Pb atoms, observed previously in the xBi (1-x)GeO2 and xPb (1-x)GeO2 systems. The differences in the short and medium-range order in GeO2 system between the 1Ge 1GeO2 and GeO2 glasses are discussed.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2002, 6, 2; 273-281
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modele statyczne złoża ropy naftowej i gazu ziemnego Grabownica
Static models of the Grabownica oil and gas field
Autorzy:
Papiernik, B.
Zwoliński, P.
Czopek, B.
Powiązania:
https://bibliotekanauki.pl/articles/183523.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
modelowania strukturalne
modelowania parametryczne
fałd Grabownicy
structural modelling
parameter modelling
Grabownica Fold
Opis:
Wykorzystując archiwalne dane kartograficzne, profile stratygraficzne 40 odwiertów, wyniki profilowań oporności, potencjałów polaryzacji naturalnej oraz wyniki interpretacji porowatości i zailenia, zbudowano modele strukturalno-parametryczne fałdu Grabownicy. Na ich podstawie opracowano dyskretny "model pseudofacjalny". Modelowania przedstawiono na przykładzie modelu 3D odwzorowującego zachodnie zamknięcie fałdu. Przedyskutowano niektóre aspekty metodyczne modelowania i wiarygodność uzyskanych wyników.
Using archival data from mapping, stratigraphy from 40 wells and resistivity and spontaneous potential logs, as well as porosity and clay content curves, the authors constructed structural-parametric models of the Grabownica Fold. On this basis, a discrete "pseudo-facies model" was developed. The modeling was exemplified by the 3D model that images the western closure of the fold. Some methodological aspects of the modeling and the reliability of results were discussed.
Źródło:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2011, 37, 1; 175-196
0138-0974
Pojawia się w:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structural modeling and systems analysis of uneasy factors for realizing safe, secure and reliable society
Autorzy:
Tamura, H.
Akazawa, K.
Powiązania:
https://bibliotekanauki.pl/articles/309006.pdf
Data publikacji:
2005
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
safe
secure and reliable society
DEMATEL
structural modelling
systems analysis
Opis:
In this paper we try to extract various uneasy factors in our life. Then, we try to construct structural models among these factors using Decision Making Trial and Evaluation Laboratory (DEMATEL). For the purpose of analyzing priority among these factors we revised the DEMATEL and found effective factors to be resolved in order to realize future safe, secure and reliable (SSR) society.
Źródło:
Journal of Telecommunications and Information Technology; 2005, 3; 64-72
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stochastic DEMATEL for structural modeling of a complex problematique for realizing safe, secure and reliable society
Autorzy:
Tamura, H.
Akazawa, K.
Powiązania:
https://bibliotekanauki.pl/articles/309469.pdf
Data publikacji:
2005
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
safe
secure and reliable society
structural modelling
stochastic DEMATEL
stochastic composite importance
Opis:
In this paper we propose a revised Decision Making Trial and Evaluation Laboratory (DEMATEL), called stochastic DEMATEL, to extract structural model of a complex problematique and to represent the priority of each factor taking into account the uncertainty of structure. In the stochastic DEMATEL, the uncertainty of structure is expressed as a stochastic model. From numerical experiments and experimental analyses, the following results are obtained: when the structure is uncertain, stochastic DEMATEL could extract the features of structure by the degree of dispatching influences and the degree of central role; stochastic composite importance could express the uncertainty of priority and decide the priority taking into account the attitude of the decision maker; pessimistic, neutral or optimistic.
Źródło:
Journal of Telecommunications and Information Technology; 2005, 4; 139-146
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verification of energy consumption modelling in a vehicle under operating conditions of a transport company
Weryfikacja modelowania energochlonnosci pojazdu w warunkach eksploatacyjnych przedsiebiorstwa transportowego
Autorzy:
Burski, Z.
Krasowska-Kolodziej, H.
Powiązania:
https://bibliotekanauki.pl/articles/793134.pdf
Data publikacji:
2012
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
transport
logistics
communication
infrastructure
structural modelling
operational factor
fuel consumption
energy consumption
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 2
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Colour temperature in advertising and its impact on consumer purchase intentions
Autorzy:
Pilelienė, Lina
Grigaliūnaitė, Viktorija
Powiązania:
https://bibliotekanauki.pl/articles/18797264.pdf
Data publikacji:
2017
Wydawca:
Instytut Badań Gospodarczych
Tematy:
advertising
behaviour economics
consumer behaviour
structural equation modelling
Opis:
Research background: The conditions of globalization lead to a situation where consumers are overloaded with commercial information. Moreover, abundance of various promotional techniques makes consumers indifferent to many companies' efforts. On the other hand, organizations are allocating tremendous parts of their budgets to create advertisements which sometimes remain unnoticed or do not stimulate consumer purchase intentions. Therefore, a wide body of scientific re-search on advertising effectiveness has emerged in recent years. Many aspects of advertising have been analysed, e.g. the effectiveness of advertising spokesperson, appeal, layout, etc. However, the research on advertising colour temperature and its impact on advertising effectiveness is still scarce. Purpose of the article: Considering the intensifying competition in the retail sector, creating attractive and stimulating advertisements becomes an important task for many organizations. The aim of this research is to determine the impact of the colour temperature used in advertisements on consumer purchase intentions. Methods: In order to determine the impact of advertising colour temperature on consumer purchase intentions, a questionnaire survey was provided. The questionnaire was elaborated based on the analysis and synthesis of scientific literature. Findings & Value added: The theoretical analysis substantiated the different influence of colours and colour temperature on consumer perception. Therefore, the assumption was made: all other parameters being constant, the colour temperature of an advertisement might have a different impact on consumer perception. The results of empiric research revealed the differences of the impact of colour temperature on consumer purchase decisions in terms of an attitude toward advertising and the brand, reported brand-related behaviour. The colour temperature related to insights for the enhancement of advertising effectiveness and guidelines for future research are provided.
Źródło:
Oeconomia Copernicana; 2017, 8, 4; 657-669
2083-1277
Pojawia się w:
Oeconomia Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Time Perspective and Self-Esteem: Negative Temporality Affects the Way We Judge Ourselves
Perspektywa czasowa a samoocena: wpływ negatywnej temporalności na sposób oceniania samego siebie
Autorzy:
Ortuño, Victor E. C.
Echeverría, Alejandro Vásquez
Powiązania:
https://bibliotekanauki.pl/articles/468226.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
time perspective
self-esteem
motivation
structural equation modelling
Opis:
Time Perspective is the process by which people categorize, archive and recover personal and social experiences through temporal frames (past, present, and future), influencing various aspects of human behaviour and cognition. It was proposed that it is related to selfesteem, though until now the main approach when exploring this relation was correlational. In this study, we explore a structural equation model of Time Perspective’s association with Self-Esteem. The sample was composed of 474 undergraduate students with a mean age of 19 years. The final model presented a high predictive power of Self-Esteem (R2 =.39, p < .001) and good fit indices (x2/df = 2.1, CFI = .94, GFI = .91, RMSEA = .05) with two temporal dimensions entering the model: Past Negative (βSelf-Esteem.PastNegative = -.52, p < .001) and Future-Negative (βSelf-Esteem.FutureNegative = -.17, p < .001) showing that negative affects of time dimensions (rather than positive ones) are more related to Self-Esteem. Results are discussed in relation to Self-Esteem and TP literature.
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia Psychologica; 2013, 6; 109-125
2084-5596
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia Psychologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ranking new comers to work based on commitment propensity through hybrid method of AHP and TOPSIS
Autorzy:
Safari, H.
Cabrita, M. R.
Hesan, M.
Maleki, M.
Mirzaeirabore, F.
Powiązania:
https://bibliotekanauki.pl/articles/407151.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
AHP
organizational commitment
personality traits
Structural Equation Modelling
TOPSIS
Opis:
This research provides a tool to select and prioritize new comers to work based on their preentry organizational commitment propensity through examining links between the big five personality factors: extroversion, agreeableness, conscientiousness, neuroticism, openness; and three component model of organizational commitment: affective commitment, continues commitment, normative commitment. Findings show that extroversion and openness respectively have positive and negative effects on all three components of organizational commitment. Results gained by Structured Equation Modelling (SEM) indicate neuroticism is negatively related to affective and continues commitment and positively to conscientiousness effects on continues commitment. In the second part of the study, the received results are applied to extract the general equations that enables to estimate new comer’s pre-entry organizational commitment and to rank them using TOPSIS and AHP. The AHP is used to determine the relative weights of commitment criteria and TOPSIS is employed for the final ranking of new comers based on these criteria’s.
Źródło:
Management and Production Engineering Review; 2018, 9, 4; 86-95
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A method for sensor placement taking into account diagnosability criteria
Autorzy:
Yassine, A. A.
Ploix, S.
Flaus, J.-M.
Powiązania:
https://bibliotekanauki.pl/articles/929893.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
diagnostyka uszkodzeń
diagnozowalność
położenie sensora
modelowanie strukturalne
fault diagnosis
diagnosability
sensor placement
structural modelling
Opis:
This paper presents a new approach to sensor placement based on diagnosability criteria. It is based on the study of structural matrices. Properties of structural matrices regarding detectability, discriminability and diagnosability are established in order to be used by sensor placement methods. The proposed approach manages any number of constraints modelled by linear or nonlinear equations and it does not require the design of analytical redundancy relations. Assuming that a constraint models a component and that the cost of the measurement of each variable is defined, a method determining sensor placements satisfying diagnosability specifications, where all the diagnosable, discriminable and detectable constraint sets are specified, is proposed. An application example dealing with a dynamical linear system is presented.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2008, 18, 4; 497-512
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decision support for extracting and dissolving consumers uneasiness over foods using stochastic DEMATEL
Autorzy:
Tamura, H.
Okanishi, H.
Akazawa, K.
Powiązania:
https://bibliotekanauki.pl/articles/309056.pdf
Data publikacji:
2006
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
safe
secure and reliable society
structural modelling
decision support
stochastic DEMATEL
stochastic composite importance
Opis:
In this paper we try to extract consumers' uneasy factors on foods such as carcinogenic substance, bovine spongiform encephalopathy (BSE) problem, genetic recombination, etc., and try to construct structural models among these uneasy factors using stochastic DEMATEL. Stochastic DEMATEL is developed as a revised DEMATEL (Decision Making Trial and Evaluation Laboratory) to extract structural models of a complex problematique composed of many factors under uncertainty. For structural modeling of uneasy factors on foods we look at the binary relation such that "How much would it help to dissolve uneasy factor j by dissolving uneasy factor i?" Finally, we try to find the priority of dissolving each factor among all the uneasy factors based on the information of stochastic composite importance. This would contribute for decision support to dissolve uneasy feeling and to get sense of security on foods.
Źródło:
Journal of Telecommunications and Information Technology; 2006, 4; 91-95
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of internal change agent in developing the relationship between knowledge sharing and performance in virtual team
Autorzy:
Ożga, Joanna
Stelmaszczyk, Monika
Powiązania:
https://bibliotekanauki.pl/articles/426436.pdf
Data publikacji:
2016
Wydawca:
Szkoła Główna Handlowa w Warszawie
Tematy:
virtual team
knowledge sharing
PLS-SEM
structural equation modelling
Opis:
The last decade has seen a distinct increase in the frequency of the appearance of virtual teams within contemporary organizations. As knowledge sharing within the virtual team leads to better team performance, a deeper understanding of enabling organizational capabilities is highly relevant to both researchers and managers. Therefore, in this paper we focus on the concept of "internal change agent support". More specifically, we use a qualitative research design to study the role of internal agent support within the relationship between knowledge sharing and virtual team performance. A theoretical model was built and verified by means of structural equation modelling (PLS-SEM). The authors found that internal change agent support has a moderating effect on relationship between knowledge sharing and the virtual team performance and the knowledge sharing within the virtual team influences positively virtual team performance. These results add to the emerging academic discussion on continuous change management within dispersed teams. Our findings are also relevant to managerial practice as they suggest how to facilitate the process of knowledge sharing in a team, thus improving its efficiency.
Źródło:
e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie; 2016, 5 (67); 62-74
1731-6758
1731-7428
Pojawia się w:
e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Validation of Cause-Effect Relationship in the Context of Organizational Citizenship Behaviour and its Antecedents: The Case of Asan Service in Azerbaijan
Autorzy:
Zeynalov, Anar
Powiązania:
https://bibliotekanauki.pl/articles/1930521.pdf
Data publikacji:
2021-09-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
organizational citizenship behaviour and its determinants
structural equation modelling
Opis:
The current study validates the structural model of cause-effect relationship in light of organizational citizenship behaviour as a consequence and its determinants as causes, which ultimately generates a generalizable public service model for the countries that need substantial organizational transformation in public service delivery. The determinants of organizational citizenship behavior by taking a look into the social and personal factors that either drive an individual’s behavior drawing from the social circumstances at the moment of time, or personal motivation and inner characteristics that force an individual to act in favor or against good citizenship. To test the proposed research framework, post-community Azerbaijan’s ASAN Service is considered as the case. For the identification and validation of potential factors affecting organizational citizenship behaviour, the selected variables are employed as constructs of the conceptual framework, through which survey is designed and administered to collect data from the country citizens with regards of gauging the impact of the determinants. A quantitative methodological approach is selected, where data is collected through convenient sampling technique, while it is analysed using the structural equation modelling technique, with emphasis on AMOS v.24 software to test the structural model. The results of the hypothesized relations reveal that behavioural intention and organizational identification are strongly related to organizational citizenship behaviour, followed by distributive justice, public service motivation, selfconcept and goal clarity being secondary major determinants. However, procedural justice is not significant in predicting organizational citizenship behaviour, while subjective norm and task interdependence are weakly related to it.
Źródło:
Krakowskie Studia Małopolskie; 2021, 3(31); 77-97
1643-6911
Pojawia się w:
Krakowskie Studia Małopolskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Problem Solving Skills, Metacognitive Awareness, and Mathematics Achievement: A Mediation Model
Autorzy:
Rahman, Saemah
Md Hassan, Nurulhuda
Powiązania:
https://bibliotekanauki.pl/articles/1997724.pdf
Data publikacji:
2017-09-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
problem solving
metacognitive awareness
mathematics achievement
structural equation modelling
Opis:
This study was aimed to identify the relationship between problem solving skills, metacognitive awareness, and mathematics achievement as well as to identify the role of metacognitive awareness as a mediator. This study involved a total of 333 Form Four students from ten secondary schools in Malaysia. Data were collected using questionnaires, while information about mathematics achievement was provided by the school management. Data were analyzed using the Structural Equation Modeling (SEM) technique. Results indicated that all variables correlated significantly with each other, while path analysis revealed the mediation effect of metacognitive awareness between problem solving skills and mathematics achievement. The findings suggest the importance of problem solving skills in influencing secondary school students’ mathematics achievement through the development of metacognitive awareness.
Źródło:
The New Educational Review; 2017, 49; 201-212
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Increasing competitiveness with intercompany integration of logistics and marketing functions
Autorzy:
Topolsek, D.
Jereb, B.
Cvahte, T.
Powiązania:
https://bibliotekanauki.pl/articles/111692.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
integration
logistics
marketing
SEM
Structural Equation Modelling
integracja
logistyka
Opis:
Researchers of different scientific disciplines, such as management strategies, organizational theories and marketing, have in the past explored relations of mutual influences and the importance of cooperation between different functions in a company. The increased focus on the logistics function has potential to increase competitiveness. This is especially true for globally aimed production companies. In any company, logistics functions cooperate with various related functions such as production, marketing, procurement, engineering or developing new products as well as with financial functions. Each of the aforementioned connections or cooperation among logistics and its complementary functions can have a decisive effect on the company's competitiveness. Using a survey, we determined which activities in the surveyed companies are performed by the logistical function together with the marketing function and which activities they suggest should be performed together but are currently not, meaning they are co-dependent. Since interfunctional integration between logistics and marketing increases the success of a company, we also examined the connection between the current joint performance of activities and the suggested joint performance of activities among the before mentioned sectors, connected to the effectiveness of the company. To examine the mentioned connections among the logistical and marketing functions, Explanatory Factor Analysis (EFA), Confirmatory Factor Analysis (CFA) and Structural Equation Modelling (SEM) were performed.
Źródło:
Production Engineering Archives; 2016, 10, 1; 29-32
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Increasing competitiveness with intercompany integration of logistics and marketing functions
Autorzy:
Topolsek, D.
Jereb, B.
Cvahte, T.
Powiązania:
https://bibliotekanauki.pl/articles/111732.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
integration
logistics
marketing
Structural Equation Modelling
SEM
integracja
logistyka
Opis:
Research of different scientific disciplines, such as management strategies, organizational theories and marketing, has in the past explored relations of mutual influences and the importance of cooperation of different functions in a company. The increased focus towards the logistics function has potential to increase competitiveness. This is especially true for globally focused production companies. In any company, logistics functions cooperate with various related functions such as production, marketing, procurement, engineering or developing new products as well as with financial functions. Each of the aforementioned connections or cooperation among logistics and its complementary functions can have a decisive effect on the company's competitiveness. Using a survey, we determined which activities in the surveyed companies are performed by the logistical function together with the marketing function and which activities they suggest should be performed together but are currently not, meaning they are co-dependent. Since interfunctional integration between logistics and marketing increases the success of a company, we also examined the connection of the current joint performance of activities and the suggested joint performance of activities among the before mentioned sectors, connected to the success of the company. To examine these connections among the logistical and marketing functions, Explanatory Factor Analysis (EFA), Confirmatory Factor Analysis (CFA) and Structural Equation Modelling (SEM) were performed.
Źródło:
Production Engineering Archives; 2015, 8, 3; 6-9
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
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