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Wyświetlanie 1-15 z 1496
Tytuł:
Cross additivity - an application
Autorzy:
Ferreira, Sandra
Ferreira, Dário
Mexia, João
Powiązania:
https://bibliotekanauki.pl/articles/730004.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
cross nested designs
cross additivity
variance components
UMVUE
Opis:
We try to show that Discriminant Analysis can be considered as a branch of Statistical Decision Theory when viewed from a Bayesian approach. First we present the necessary measure theory results, next we briefly outline the foundations of Bayesian Inference before developing Discriminant Analysis as an application of Bayesian Estimation. Our approach renders Discriminant Analysis more flexible since it gives the possibility of classing an element as belonging to a group of populations. This possibility arises from the introduction of the concept of regions of controled posterior risk.
Źródło:
Discussiones Mathematicae Probability and Statistics; 2006, 26, 2; 207-219
1509-9423
Pojawia się w:
Discussiones Mathematicae Probability and Statistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nature of cross-seeding barriers of amyloidogenesis
Autorzy:
Stępkowski, Dariusz
Bieniaś, Juliusz
Powiązania:
https://bibliotekanauki.pl/articles/1039754.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
amyloids
cross-species barriers
amyloidogenesis
PrP23-144
cross-seeding
prion
Opis:
The epidemics of bovine spongiform encephalopathy (BSE) several decades ago and present epidemics of chronic wasting disease (CWD) among cervids posed a threat of cross-species infections to humans or other animals. Therefore, the question as to the molecular nature of the species barriers to transmissibility of prion diseases is very important. We approached this problem theoretically, first developing a model of template-monomer interaction based on logical and topological grounds and on experimental data about cross-seeding of PrP 23-144 protein orthologs. Further, we propose that the strength of the cross-seeding barriers is proportional to dissimilarity of key amyloidogenic regions of the proteins. This dissimilarity can be measured by dissimilarity function we propose. Scaled on experimental data, this function predicts if cross-seeding can occur between different variants of PrP23-144. The resemblance of PrP23-144 cross-seeding barriers to the barriers of cross-species transmissibility of prion diseases is discussed. We suggest that a similar theoretical approach could be applied to predicting the occurrence of species barriers of prion diseases at least in part corresponding to the process of multiplication of infectious agent.
Źródło:
Acta Biochimica Polonica; 2012, 59, 2; 307-312
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cross-Border Crimes: Problems of Definition and Features (Ukrainian Criminal Law experience)
Autorzy:
Orlovskay, Natalya
Stepanova, Julia
Powiązania:
https://bibliotekanauki.pl/articles/1930596.pdf
Data publikacji:
2021-06-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
border security
international standards
cross-border crime
objective features of a cross-border crime
cross-border crime victim
Opis:
The article touches upon a set of issues related to the cross-border crime definition and features. Cross-border crime can be defined as a criminal-legal, criminological and criminalist concept. The author’s approach is that it is exactly criminal-legal dimension of this problem that is primary one. A criminal-legal understanding of cross-border crimes is suggested. It is analyzed by comparing the provisions of a number of international and national acts in the context of cross-boundary as a legal concept and characteristics of offences. There is emphasized that cross-border crimes constitute a relatively stable set of crimes that threaten the interests of states in the sphere of border and national security. The cross-border crimes objective features are considered. They include public interests, offender’s modus operandi, the victim, items transferred across the border. It is concluded that the cross-boundary nature in the criminal law of Ukraine stems from the peculiarities of the offender’s actions. The classification of crimes into unconditionally and conditionally cross-border is suggested. Such a division is associated with the obligatory/optional nature of such an objective feature as border crossing.
Źródło:
Krakowskie Studia Małopolskie; 2021, 2(30); 110-124
1643-6911
Pojawia się w:
Krakowskie Studia Małopolskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interrelation between Cross-Border Cooperation (CBC) and Social Capital: Conceptual Framework
Autorzy:
Dvalishvili, Tinatini
Powiązania:
https://bibliotekanauki.pl/articles/620449.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
social capital
cross-border cooperation (CBC)
cross-border settings
social interaction
Opis:
This article tracks the definitional debates on social capital to demonstrate the many-sided nature of it. Referring to the relational nature of social capital, this paper regards it as an output of cross-border cooperation. The basis of social capital is social interaction, and cross-border cooperation facilitates and reinforces it in equal measure across national borders. Therefore, this article considers cross-border cooperation as one way to generate formal/informal, linking, bonding, bridging, transnational and other varieties of social capital.
Źródło:
Środkowoeuropejskie Studia Polityczne; 2018, 4; 27-47
1731-7517
Pojawia się w:
Środkowoeuropejskie Studia Polityczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effectiveness of dye adsorption onto non-cross-linked and cross-linked chitosan beads
Autorzy:
Filipkowska, Urszula
Powiązania:
https://bibliotekanauki.pl/articles/1035401.pdf
Data publikacji:
2012
Wydawca:
Sieć Badawcza Łukasiewicz - Polskie Towarzystwo Chitynowe
Tematy:
adsorption
chitosan beads
cross-linked chitosan beads
dyes
glutaraldehyde
Opis:
The study was established to analyze the effectiveness of Reactive Black (RB5) and Basic Green (BG4) dyes adsorption onto chitosan beads and onto chitosan beads cross-linked with glutaraldehyde depending on the initial dye concentration in the solution (1, 5, 100 and 200 mg/dm3). It demonstrated that both the initial concentration of dye in the solution as well as the type of adsorbent affected the effectiveness of the adsorption process. An increase in the initial dye concentration in the solution was increasing adsorption effectiveness, irrespective of the type of dye and adsorbent. The cross-linking of chitosan beads with glutaraldehyde turned out to be beneficial only in the case of the RB5 dye.
Źródło:
Progress on Chemistry and Application of Chitin and its Derivatives; 2012, 17; 43-52
1896-5644
Pojawia się w:
Progress on Chemistry and Application of Chitin and its Derivatives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strengthening Regional Cross-Border Information Systems: The Example of Geneva Cross-Border Region
Autorzy:
Gamez, Gabriel
Powiązania:
https://bibliotekanauki.pl/articles/466004.pdf
Data publikacji:
2011
Wydawca:
Główny Urząd Statystyczny
Opis:
This paper in the first place briefly introduces the emerging issue of cross-border regions throughout Western and Eastern Europe and discusses the definition of cross-border cooperation. Secondly, it analyzes the development of joint institutional mechanisms for the design and monitoring of cross-border regional policies in all relevant fields including the cooperation in the field of statistics. Thirdly, the paper will describe in more detail the institutional and practical organization of the Statistical Observatory of the Geneva cross-border region. The Observatory was formally established in 2001 by the France-Geneva Regional Committee, the governance committee of the Geneva cross-border region, and produces more than 50 socio-economic and environmental indicators for a cross-border urban area of more than 800,000 inhabitants over two countries: 1/3 in France and 2/3 in Switzerland with close to 75,000 cross-border workers. The paper presents some important indicators produced by the observatory and concludes with major achievements and remaining challenges.
Źródło:
Statistics in Transition new series; 2011, 12, 3; 453-460
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cross-border health services – selected issues
Autorzy:
Jaszczuk, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/1199366.pdf
Data publikacji:
2018-11-30
Wydawca:
Uniwersytet Gdański. Instytut Geografii
Tematy:
health
health services
cross-border health services
Opis:
One of the superior principles in integrated Europe is free flow of persons, services and capital. An expression of this freedom are regulations about coordination of social security systems binding both in EU and EFTA member states. The principles of granting health services and their scope are determined by the provisions about coordination of social security systems. In the article I will try to discuss the most important regulations regarding the issues related to cross-border health care, both EU regulations and the related provisions of the domestic law.
Źródło:
Journal of Geography, Politics and Society; 2018, 8, 4; 32-36
2084-0497
2451-2249
Pojawia się w:
Journal of Geography, Politics and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Three courses of regional comparative studies: cross-national, regional and cross-national regional comparisons
Autorzy:
Gorzelak, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/1931754.pdf
Data publikacji:
1984-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Źródło:
Miscellanea Geographica. Regional Studies on Development; 1984, 1; 143-152
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cross-cultural differences in visual perception
Autorzy:
Čeněk, Jiří
Čeněk, Šašinka
Powiązania:
https://bibliotekanauki.pl/articles/628218.pdf
Data publikacji:
2015
Wydawca:
Fundacja Pro Scientia Publica
Tematy:
perception, attention, memory, cross-cultural differences
Opis:
According to recent cross-cultural studies there exist culturally based differences between visual perception and the related cognitive processes (attention, memory). According to current research, East Asians and Westerners percieve and think about the world in very different ways. Westerners are inclined to attend to some focal object (a salient object within a perception field that is relatively big in size, fast moving, colourful) focusing on and analyzing its attributes. East Asians on the other hand are more likely to attend to a broad perceptual field, noticing relationships and changes. In this paper we want to describe the recent findings in the field and propose some directions for future research.
Źródło:
Journal of Education Culture and Society; 2015, 6, 1; 187-206
2081-1640
Pojawia się w:
Journal of Education Culture and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some properties of double cross hybrids of rye.
Autorzy:
Grochowski, Lechosław
Powiązania:
https://bibliotekanauki.pl/articles/2198903.pdf
Data publikacji:
2003-06-22
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
double cross hybrids
quantitative traits
rye
Opis:
The study presents a formula of producing double cross hybrids of rye. The aim of the research was a generation of double and three way cross hybrids by using the same female parents and comparing chosen properties of them. The subject of the research were ten double cross hybrids, ten three way cross hybrids, two male parents and three standard varietes. The field trials were conducted in two places (Smolice, Rogo±ewo). A statistical analysis showed that grain yield of double cross hybrids was significantly higher than grain yield of three way cross hybrids. Both types of the hybrids did not differ in plant height and lodging resistance indeed.
Źródło:
Plant Breeding and Seed Science; 2003, 47; 99-102
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cross-border Ukrainian–Polish cooperation in the sphere of tourism
Ukraińsko–polska współpraca transgraniczna w obszarze turystyki
Autorzy:
Buchko, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2051326.pdf
Data publikacji:
2020
Wydawca:
Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
Tematy:
cross-border tourism
cross-border cooperation
Euro-Region
tourism flows
Opis:
Subject and purpose of work: Investigation and statistical analysis of tourism flows and of trends observed in Ukrainian-Polish cross-border tourism. The purpose of the study is aiding further crossborder tourism-related cooperation between Ukraine and Poland. Materials and methods: Government and commercial statistics sources. Data analysis methods included literary, analytical, comparative, and quantitative methods. Results: The processes and dynamics of cross-border cooperation between Ukraine and Poland in the field of tourism during 12 years (from 2006 to 2017) have been investigated. The authors analysed data related to tourism flows and determined the primary source-countries of visitors based on the inbound and outbound indicators and the current tourism market trends within this cross-border cooperation. Conclusions: The main trend in the Ukraine-Poland tourism flow over the last decade is the stabilisation of inbound tourism from Poland to Ukraine and a significant increase in outbound tourism from Ukraine to Poland. In the last few years, it has been driven by Ukraine’s focus on Euro-integration.
Źródło:
Economic and Regional Studies; 2020, 13, 3; 271-283
2083-3725
2451-182X
Pojawia się w:
Economic and Regional Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cross-selling models for telecommunication services
Autorzy:
Jaroszewicz, S.
Powiązania:
https://bibliotekanauki.pl/articles/308093.pdf
Data publikacji:
2008
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
cross-selling
telecommunication service
classifier
association rule
Bayesian network
Opis:
Cross-selling is a strategy of selling new products to a customer who has made other purchases earlier. Except for the obvious profit from extra products sold, it also increases the dependence of the customer on the vendor and therefore reduces churn. This is especially important in the area of telecommunications, characterized by high volatility and low customer loyalty. The paper presents two cross-selling approaches: one based on classifiers and another one based on Bayesian networks constructed based on interesting association rules. Effectiveness of the methods is validated on synthetic test data.
Źródło:
Journal of Telecommunications and Information Technology; 2008, 3; 52-59
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cross-Entropy Based Image Thresholding
Autorzy:
Malik, Mateusz
Spurek, Przemysław
Tabor, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/1373691.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Cross-Entropy Clustering
thresholding
binarization
Otsu
Opis:
This paper presents a novel global thresholding algorithm for the binarization of documents and gray-scale images using Cross-Entropy Clustering. In the first step, a gray-level histogram is constructed, and the Gaussian densities are fitted. The thresholds are then determined as the cross-points of the Gaussian densities. This approach automatically detects the number of components (the upper limit of Gaussian densities is required).
Źródło:
Schedae Informaticae; 2015, 24; 21-29
0860-0295
2083-8476
Pojawia się w:
Schedae Informaticae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cross-border cooperation of enterprises: essence and significance
Autorzy:
Kuzmin, O.
Kravchenko, I.
Powiązania:
https://bibliotekanauki.pl/articles/411331.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
cross-border cooperation (CBC)
international entrepreneurship
foreign economic activity (FEA) of enterprises
cross-border cooperation of enterprises
Opis:
In the last decade the development of cross-border cooperation in the context of economic integration and internationalization processes becoming increasingly import ant for Ukraine, which follows the Western vector of integration. Systematic development of cross-border cooperation is not possible without considering all of its components and levels. The article highlights a vision of complicated economic phenomenon – the cross-border cooperation of enterprises, which combines the two important economic categories – cross-border cooperation and entrepreneurship by its self. There considered the fact that cross-border cooperation is an important tool for economic development and competitiveness increase of enterprises, located in border areas.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2014, 3, 2; 35-40
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi Wedge Cross Rolling of Axle Forgings
Autorzy:
Bulzak, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/28099513.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
cross wedge rolling
fracture
multi wedge tools
FEM
axles
Opis:
This paper presents the results of research into the cross wedge rolling (CWR) process of axle forgings. The presented results concern the parallel rolling process with two wedges. The use of two parallel wedges is aimed at shortening the tool length (increasing productivity) and reducing the values of wedge opening angles and increasing the forming angles, so that the condition 0.04 ≤ tgαtgβ ≤ 0.08 is maintained to guarantee the highest quality forgings. The article analyses the influence of the design of the double wedge tool on the geometric correctness of the forgings obtained, the value of the failure criterion and the force parameters of the process. The results obtained show that the use of multi wedge tools improves rolling conditions by increasing productivity and reducing the tendency of the material to crack with appropriately selected tool parameters.
Źródło:
Archives of Metallurgy and Materials; 2023, 68, 2; 697--701
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 1496

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