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Wyświetlanie 1-15 z 444
Tytuł:
Modelling Excessive Internet Use:s Revision of R. Davis’s Cognitive-Behavioural Model of Pathological Internet Use
Autorzy:
Kaliszewska-Czeremska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/430354.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
excessive Internet use
model of excessive Internet use
Excessive Internet Use Risk Scale
Cognitive-Behavioural Model of Pathological Internet Use
Opis:
This article proposes a new model of excessive Internet use. The point of departure for the present study was the Cognitive- Behavioural Model of Pathological Internet Use developed by R. Davis (2001). The original model was modified so as to improve its explanatory power. Data were collected from 405 participants aged from 18 to 55 in various Polish towns and cities. The following instruments were administered to the participants: The Temperament and Character Inventory, J. Kuhl’s Action Control Scale, The Berlin Social Support Scale, The Coping Inventory for Stressful Situations, The Excessive Internet Use Risk Scale, The Reasons for Internet Use and the Personal Data Questionnaire. The new model of excessive Internet use was empirically tested and proved to be satisfactory.
Źródło:
Polish Psychological Bulletin; 2011, 42, 3; 129-139
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Problematic use of social media: the phenomenon of popularity, consequences and risk factors
Autorzy:
Modrzyński, Robert
Powiązania:
https://bibliotekanauki.pl/articles/2130009.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
problematic use of social media
social media addiction
SNS use disorder
Social Network Sites
Opis:
Social media has revolutionized the way people communicate with each other, the whole world is now available on the screen of a smartphone. People who seemed too distant until yesterday are now available in seconds via a network connection. Smartphone and social media overcome the limitations of remoteness by introducing relationships between people into a completely different dimension. They were supposed to serve mainly as facilitating communication with loved ones, but with time they started to create the surrounding reality. The aim of the article is to present the issues related to the problematic use of social media. The most popular social network sites (SNS) will be presented first, along with their functions, number of users and the reasons why people use them so often. Then, issues related to problematic use of social media will be presented, such as: symptoms, questionnaire methods and consequences. Finally, the author discusses the risk factors of excessive of social media.
Źródło:
Polish Psychological Bulletin; 2021, 52, 2; 172-178
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lasers in the dual use technologies
Autorzy:
Mierczyk, Z.
Powiązania:
https://bibliotekanauki.pl/articles/201649.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
lasers
sensors
multispectral imaging
environment monitoring
Dual Use Technology
Opis:
In the more developed countries the use of modern technologies in the national economy is a general process allowing joint funding of a security research and development by both sources, state and private. The last one is especially involved in applications of modern technologies. One of the examples of important modern technologies being under development in many countries are dual-use technologies, which include IT technologies, sensors, effective energy sources, material science, nanotechnology, micro- and nano-electronics, photonics, biotechnology and quantum medicine. In this paper chosen technologies fulfilling the needs of the military technique and security monitoring systems, which have found their applications in the different branches of industry like power engineering, transportation, construction industry, metrology, protection of environment and the medicine, are discussed. The examples include the devices and lasers systems for different threats monitoring, which have been developed at the Military University of Technology. The research studies carried out on the analysis of various materials based on their spectroscopic characteristics: absorption, emission, dispersion, polarization and fluorescence in different mediums have led to the development of laser telemetry devices, environment monitoring devices and spatial imagery, as well as devices for medical diagnostics and therapy. Mentioned systems are composed of functional modules, which were developed to meet the real needs. These systems can be expanded further by addition of extra detectors of chemical materials and physical properties, and improving measuring functions and data transmission and processing.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 4; 691-696
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Governance to Support Multi-use Platforms at Sea: Recommendations from Discourse Analysis
Autorzy:
Van Den Burg, Sander
Rammelt, Thomas
Stuiver, Marian
Powiązania:
https://bibliotekanauki.pl/articles/2015889.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
North Sea
discourse analysis
multifunctional use
governance
multi-use
platforms at sea
Opis:
There is growing focus on multi-functional use of the marine environment. The solution presented is to combine different economic activities in ‘multi-use platforms at sea’ (MUPS). An expanding body of literature focusses on the economic, technical or social challenges that follow from combining these different functions at sea. Current Dutch policy sees MUPS as a promising way to make the most out of scarce space available but present rules and regulations not supportive of MUPS. To find the right mode of governance for developing MUPS one needs a discourse coalition with a shared definition of (1) the problem tackled, (2) the solution it brings, (3) the solutions envisioned (including design and user functions) and (4) the role of various actors in bringing about these solutions. In this article we present a discourse analysis of the North Sea on the governance of MUPS. It shows that there is no single shared discourse but that there are contesting views on what MUPS are or should be. Although some convergence of discourse takes place, the question whose problem is solved by MUPS remains unanswered: do they solve public problems such as nature conservation and spatial planning or are MUPS the solution to high Operation and Maintenance costs? This hampers the development of multi-use platforms at sea with neither public nor private actors willing to take the lead.
Źródło:
Roczniki Socjologii Morskiej; 2015, 24; 35-46
0860-6552
Pojawia się w:
Roczniki Socjologii Morskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecosystem Services in Competing Land Use Model with Infrastructure Effect
Autorzy:
Telega, Ivan
Powiązania:
https://bibliotekanauki.pl/articles/2076120.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sustainability
land use changes
optimal land conversion
ecosystem services
Opis:
The development of linear infrastructure increases the degree of fragmentation of natural areas and has a negative impact on biodiversity and the range of available ecosystem services. The basic competing land use model is expanded to include infrastructure development. The extended model leads to the conclusion that due to the dual impact of the infrastructure (lowering the value of ecosystem services and increasing the private rents to developed land), the size of the natural area in the long-term equilibrium will be lower compared to the basic model. The preservation of nature ceases to be profitable enough. Infrastructure also reduces the marginal costs of conversion and thus increasing the volume of natural land being converted at avery moment along the transition path. If the decisions on optimal management of natural areas and infrastructure development are undertaken together, the result is a lower density of the infrastructure network and a larger ecosystem area in the steady state.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2019, 2; 73-92
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evolution of machine reliability and life and economics of operational use
Autorzy:
Młynarski, S.
Powiązania:
https://bibliotekanauki.pl/articles/407141.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
reliability
service life
innovation
optimisation
economics
operational use
technological progress
Opis:
The article presents new assumptions for reliability and life of machines, resulting from the development of technology. The innovative approach to reliability and life design as well as warranty duration planning is presented on an example of vehicle reliability characteristics. A new algorithm is proposed for the replacement of repairable objects costs by the price of life and reliability of new unrepairable ones. For the planning of the life of innovative machines, an effective method of technical progress rate determination is proposed. In conclusion, necessary modifications of machine and vehicle use systems, resulting from technology evolution and technical progress, are indicated. Finally, recommendations and directions of indispensable research in engineering and management of technical means of production are formulated.
Źródło:
Management and Production Engineering Review; 2016, 7, 4; 76-85
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
‘Sometimes It Feels Like Every Word Is a Lie’: Media Use and Social (In)Security Among Finnish Russian-Speakers
Autorzy:
Sotkasiira, Tiina
Powiązania:
https://bibliotekanauki.pl/articles/498559.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Russian-speakers
media use
social security
Finland
Opis:
This article examines the connection between media use and social in/security from the perspective of Finnish Russian-speakers. Based on 25 interviews conducted in Finland in 2015–2016, it analyses the ways in which people in conflict situations mitigate social risks and attempt to produce security by governing their use of the media. Drawing from von Benda-Beckmann and von Benda-Beckmann’s work on social security, the article argues that security studies ought to include transnational media use in their scope and broaden the emphasis towards the social and societal aspects of threat and insecurity. Furthermore, it explains how, in times of conflict, transnational media may turn into a digitalised ‘war zone’ with alarming consequences on the identification and social security of their audiences.
Źródło:
Central and Eastern European Migration Review; 2018, 7, 1; 109-127
2300-1682
Pojawia się w:
Central and Eastern European Migration Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zarządzanie chaosem. Koncepcja tymczasowego wykorzystania przestrzeni w mieście
Chaos Management. Temporary Use of Space in the City
Autorzy:
Gzell, S.
Świeżewska, K.
Powiązania:
https://bibliotekanauki.pl/articles/2031563.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
chaos
city revolutions
Creative Cities
dynamic planning
temporary use
Opis:
Article deals with phenomenon of the temporary use, which increasingly has been considered as a tool to support process of revitalization in modern cities. The analysis is based on published studies of examples of temporary use in Berlin, which became a „transformation laboratory”. We found turn of urban policy towards temporary use, as a result of reformulation of a way of thinking about the city. The birth of a new logic is pointed in three dimensions. It occurred through the notice and co-operation with spaces (voids), actors (guerrilla) and the recognition of management methods (open-source urbanism), which has so far operated outside the official discourse. Temporary use, previously considered as a manifestation of disorder (chaos), became the basis for the construction of new image of the city – creative city.
Źródło:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN; 2015, 259; 143-158
0079-3493
Pojawia się w:
Biuletyn Komitetu Przestrzennego Zagospodarowania Kraju PAN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy storage systems: power grid and energy market use cases
Autorzy:
Komarnicki, P.
Powiązania:
https://bibliotekanauki.pl/articles/141507.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
storage technologies
storage system sizing
storage system operation
storage system management
storage system use case scenarios
storage system integration
Opis:
Current power grid and market development, characterized by large growth of distributed energy sources in recent years, especially in Europa, are according energy storage systems an increasingly larger field of implementation. Existing storage technologies, e.g. pumped-storage power plants, have to be upgraded and extended by new but not yet commercially viable technologies (e.g. batteries or adiabatic compressed air energy storage) that meet expected demands. Optimal sizing of storage systems and technically and economically optimal operating strategies are the major challenges to the integration of such systems in the future smart grid. This paper surveys firstly the literature on the latest niche applications. Then, potential new use case and operating scenarios for energy storage systems in smart grids, which have been field tested, are presented and discussed and subsequently assessed technically and economically.
Źródło:
Archives of Electrical Engineering; 2016, 65, 3; 495-511
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The recommendations for territorial development of land use in the region
Autorzy:
Mamonov, Kostiantyn
Kondrashenko, Elena
Radzinskaya, Yuliia
Myronenko, Maria
Powiązania:
https://bibliotekanauki.pl/articles/145350.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
użytkowanie gruntów
rozwój terytorialny
modelowanie matematyczne
integrated indicator
land use
territorial development
mathematical modeling
Opis:
In order to ensure the territorial development of land use in the region, there is a need to change the trajectory of spatial and urban planning factors. The ways for implementation of the proposed system measures are defined in the article. For investment and environmental indicators, the integrated indicator of territorial development of land use in the region, depending on their change, is predicted. The article presents the results of forecasting the integrated indicator of land use territorial development in the region based on the growth of systemic investment factors and the results of forecasting the integrated indicator of land use territorial development based on the growth of systemic environmental factors. Practical scientific-based recommendations for ensuring the territorial development of land use in the region by applying the results of its integrated assessment and modeling are proposed. Developed recommendations made it possible to form directions and build the basis for ensuring the territorial development of land use in the region. The development of methodological recommendations for ensuring the territorial development of land use in the region is based on the results of the study of the influence of systematic spatial, urban, investment, and environmental factors on the integrated indicator of land use territorial development.
Źródło:
Geodesy and Cartography; 2020, 69, 1; 39-51
2080-6736
2300-2581
Pojawia się w:
Geodesy and Cartography
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Features of underground real estate use: infrastructural and regional aspects
Autorzy:
Meteshkin, Kostiantyn
Shipulin, Volodymyr
Nesterenko, Serhii
Kobzan, Serhii
Powiązania:
https://bibliotekanauki.pl/articles/145308.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nieruchomość podziemna
użytkowanie gruntów
planowanie urbanistyczne
underground real estate
land use
integrated indicator
urban planning
assessment
Opis:
The transformation processes that occur in the technical, informational, and economic spheres of the regions require the development of new conceptual approaches to the development of a full-fledged land use system based on an analysis of the problems of using underground real estate. Determination of the features of land use of underground real estate is based on a quantitative basis, which is built on a systematic, integrated approach. Indicators that determine the condition and use of underground real estate are of particular importance for the development of the approach. A method of estimating a generalized indicator of the use of underground real estate in the system of land use of regions based on an integrated approach, which includes the method of expert assessments by applying qualitative indicators characterizing the status and level of use of underground real estate, considering urban, spatial, investment and innovation legal and safety features is developed. The assessment results of the integrated indicator of underground real estate land use, as well as the results of the assessment by region, showed a low level of use of underground real estate in the land use system of the regions. It is determined that most of the lands in the regions have low levels of underground real estate use. Besides, there is a need to increase the use of underground real estate by developing appropriate methodological recommendations.
Źródło:
Geodesy and Cartography; 2020, 69, 1; 53-64
2080-6736
2300-2581
Pojawia się w:
Geodesy and Cartography
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Secrecy Performance for Energy-Harvesting Multi-Antenna Relaying Networks with a Dual-Use Source
Autorzy:
Zhang, J.
Pan, G.
Xie, Y.
Powiązania:
https://bibliotekanauki.pl/articles/226136.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
decode and forward
dual-use
energy harvesting
maximal ratio combining
secrecy outage probability
Opis:
This paper studies the secrecy performance of an energy-harvesting relaying system in the presence of a dualuse source node and an eavesdropper. Specifically, the source has dual roles in the dual-hop communication: 1) to transmit confidential information in the first hop; 2) to generate jamming signal to interfere the eavesdropper in the second hop. Moreover, the multi-antenna relay deploys a power-splitting harvesting scheme to coordinate the information receiving and energy harvesting, and adopts maximal ratio combining technique to process the multiple copies of signals. Considering decode-andforward protocol and transmit antenna selection scheme, we derive an analytical expression for secrecy outage probability, and perform Monte Carlo simulation to validate the analysis. Analytical results show that the SOP performance with the dualuse source node can be effectively improved when the relaydestination channel does not have absolute advantage over the relay-eavesdropper channel.
Źródło:
International Journal of Electronics and Telecommunications; 2018, 64, 1; 33-38
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring the actual ecological end economic situation of agricultural land use in Ukraine
Autorzy:
Perovich, Lesya
Hulko, Oleksandra
Powiązania:
https://bibliotekanauki.pl/articles/145495.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
użytkowanie gruntów
efektywność ekologiczna
efektywność ekonomiczna
monitoring
grunty rolne
land use
ecological efficiency
economic efficiency
agricultural land
Opis:
The need for effective and rational use of land, protection, and preservation of its qualitative state (as the agricultural land soil) is due to some negative details, namely, more than a third of the land is eroded, half of which are black soil in particular, which have an average level of nutrient supply, a lot of contaminated abandoned or overdented land. The acuteness of this problem, which has developed with regard to the protection and preservation of the land qualitative state, has become particularly relevant. The solution to this problem requires truly effective methods of influence. One of such methods is the surveillance of ecological and economic monitoring of land. The article analyzes the ecological and economic factors and factors influencing the monitoring and surveillance of land in Ukraine. Perspectives and objectives for improvements in land monitoring are highlighted. The paper discloses a theoretical synthesis and new approaches to solving the problem of environmental management, which can participate in the development of innovative economic and environmental factors of rational land use, which will contribute to enhancing the transition of Ukraine to the model of sustainable land use. The purpose of this work is a scientific analysis of the various organizational factors of monitoring and surveillance of agricultural land in relation to the current legislation in Ukraine.
Źródło:
Geodesy and Cartography; 2019, 68, 2; 349-359
2080-6736
2300-2581
Pojawia się w:
Geodesy and Cartography
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 444

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