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Advances in Science and Technology of Water Resources
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Indian Journal of Natural Products and Resources
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Mitochondrial DNA Part B-Resources
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Journal of Electronic Resources in Medical Libraries
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Journal of Human Resources in Hospitality and Tourism
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Slavic and East European Information Resources
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Water Resources and Irrigation Management-WRIM
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INTERNATIONAL JOURNAL OF WATER RESOURCES DEVELOPMENT
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International Journal of Agriculture and Natural Resources
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JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION
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MedEdPORTAL : the journal of teaching and learning resources
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Jacek Stefański prof. dr hab. inż.
OsobyJacek Stefański ukończył studia na Wydziale Elektroniki Politechniki Gdańskiej (PG) w 1993 r. W 2000 r. uzyskał stopień doktora nauk technicznych w dyscyplinie telekomunikacja, w 2012 r. stopień doktora habilitowanego, natomiast w 2020 r. tytuł profesora nauk inżynieryjno-technicznych. Obecnie pracuje na stanowisku profesora w Katedrze Systemów i Sieci Radiokomunikacyjnych (KSiSR) PG. W latach 2005-2009 był zatrudniony w Instytucie...
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Quality of Service in ASON/GMPLS Network with Hierarchical Control Plane Structure
PublikacjaThe paper presents the problem of quality of service for hierarchical control plane structure of Automatically Switched Optical Network (ASON) utilizing Generalized Multi-Protocol Label Switching (GMPLS). The approach is implemented to control the multidomain network with required quality of service, in a use case of incomplete domain network information. The authors examine different factors, including resource reservation algorithms...
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Radioactivity of drilling cuttings from shale resources of the Lower Paleozoic Baltic Basin, Poland
PublikacjaFractionated drilling wastes originating from shale gas exploration in the Baltic Basin in Pomerania were subjected to the measurements of mean activity concentrations of naturally occurring radioactive materials (NORMs).To better understand rock structure and texture, the X-ray diffraction analysis (XRD) and scanning electron microscopy(SEM) observation were used. To compare activity concentration of radionuclides in bulk wastes...
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Resources within Spiritual and Mystical Christian Traditions for the Care of Earth – our Common Home
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The Multidimensional Aspect of Water Resources Management in Metropolitan Areas (a Case Study of the Poznań Metropolis)
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State of the Art in Open Platforms for Collaborative Urban Design and Sharing of Resources in Districts and Cities
PublikacjaThis work discusses recent developments in sharing economy concepts and collaborative co-design technology platforms applied in districts and cities. These developments are being driven both by new technological advances and by increased environmental awareness. The paper begins by outlining the state of the art in smart technology platforms for collaborative urban design, highlighting a number of recent examples. The case of peer-to-peer...
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Household Ability of Expenditures on Electricity and Energy Resources in the Countries That Joined the EU after 2004
PublikacjaThe purpose of the following article is to present the situation of the energy market from a household perspective between 2010 and 2020 in selected EU countries (the group of member states which joined EU after 2004). The selected countries when joining the EU had similar economic indicators and to some extent were similar in other macro-economic situations (personal income, unemployment rate, GDP level and annual growth). This...
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Developing Methods for Building Intelligent Systems of Information Resources Processing Using an Ontological Approach
PublikacjaThe problem of developing methods of information resource processing is investigated. A formal procedure description of processing text content is developed. A new ontological approach to the implementation of business processes is proposed. Consider that the aim of our work is to develop methods and tools for building intelligent systems of information resource processing, the core of knowledge bases of which are ontology’s, and...
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Multi-criteria Differential Evolution for Optimization of Virtual Machine Resources in Smart City Cloud
PublikacjaIn a smart city, artificial intelligence tools support citizens and urban services. From the user point of view, smart applications should bring computing to the edge of the cloud, closer to citizens with short latency. However, from the cloud designer point of view, the trade-off between cost, energy and time criteria requires the Pareto solutions. Therefore, the proposed multi-criteria differential evolution can optimize virtual...
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Heterogeneity of national accounting systems, world-class universities and financial resources: What are the links?
PublikacjaThis study investigates the relationship between university financial resources, applied accounting systems, and the place of a university in the Shanghai Ranking. We find a strong relationship between the financial resources under the control of a world-class university and the position of that university in the highest tier of the global ranking. We propose a model (available online) to predict a university’s tier in the ranking...
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New type T-Source inverter
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The Internet as a knowledge source in Knowledge Views
PublikacjaArtykuł ten przedstawia koncepcję widoków na bazę wiedzy, jak może ona zostać wykorzystana w celu zbierania informacji z różnych źródeł, wnioskowania nad tymi informacjami i udostępnienia ich w postaci wymaganej przez aplikację. Korzystając z widoków na bazę wiedzy, aplikacja może "widzieć" Internet jako pojedyncze źródło wiedzy.
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Scalar- and vector-source wave equations
PublikacjaW analizie zjawisk akustyki liniowej i obliczeniach pola, powszechnie stosowane są równania falowe skalarne dotyczące ciśnienia akustycznego lub potencjału prędkości, natomiast rzadko są choćby tylko wspominane równania wektorowe operujące prędkością cząstek. Jest to przejaw asymetrii w traktowaniu skalarnych i wektorowych wielkości akustycznych. Artykuł przypomina dwa zestawy dualnych równań falowych, jednorodnych i niejednorodnych,...
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Selected dried fruits as a source of nutrients
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New type T-Source inverter
PublikacjaThis paper presents different topologies of voltage inverters with alternative input LC networks. The basic topology is known in the literature as a Z-source inverter (ZSI). Alternative passive networks were named by the authors as T-sources. T-source inverter has fewer reactive components in comparison to conventional Z-source inverter. The most significant advantage of the T-source inverter (TSI) is its use of a common voltage...
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Current Source Inverter Fed Drive
PublikacjaThis book covers three-phase and multiphase (more than three-phase) motor drives including their control and practical problems faced in the field (e.g., adding LC filters in the output of a feeding converter), are considered. The new edition contains links to Matlab®/Simulink models and PowerPoint slides ideal for teaching and understanding the material contained within the book. Readers will also benefit from the inclusion of: A...
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Dietary antioxidants as a source of hydrogen peroxide
PublikacjaStudies of 54 antioxidants revealed that 27 of them, mainly polyphenols, generated hydrogen peroxide (H2O2) when added to Dulbecco’s modified Eagle’s medium (DMEM), other media used for culture of mammalian and yeast cells and phosphate-buffered saline. The most active antioxidants were: propyl gallate (PG), (−)-epigallocatechin gallate (EGCG) and quercetin (Q). Chelex treatment and iron chelators decreased H2O2 generation suggesting...
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Cocoon - najnowsze technologie Open Source.
PublikacjaCocoon jest projektem rozwijanym w ramach fundacji Apache, która stała się symbolem wysokiej jakości systemów Open Source. Środowisko to umożliwia łatwe budowanie zaawansowanych serwisów WWW opartych na XML przez całe zespoły osób bez problemów wchodzenia w swoje kompetencje. W pracy przedstawiono doświadczenie wykorzystania tego środowiska do budowy portali usług informacyjnych oraz oszacowanie charakterystyki wydajności.
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Automated Analysis of Images from Confocal Laser Scanning Microscopy Applied to Observation of Calcium Channel Subunits in Nerve Cell Model Line Subjected Electroporation and Calcium
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FIMA, the questionnaire for health-related resource use in the elderly population: validity, reliability, and usage of the Polish version in clinical practice
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Commitment-based human resource practices, job satisfaction and proactive knowledge-seeking behavior: The moderating role of organizational identification
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Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS)
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New Horizons in Adult Education and Human Resource Development
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Proceedings of the Institution of Civil Engineers-Waste and Resource Management
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US Department of Agriculture, Forest Service - Resource Bulletin
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USDA Forest Service - Resource Bulletin PNW-RB
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Agricultural and Resource Economics-International Scientific E-Journal
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Joint Commission: The Source
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Perfectly Wetting Mixtures of Surfactants from Renewable Resources: The Interaction and Synergistic Effects on Adsorption and Micellization
PublikacjaThis paper presents a study of the surface properties of mixtures of surfactants originating from renewable sources, i.e., alkylpolyglucoside (APG), ethoxylated fatty alcohol (AE), and sodium soap (Na soap). The main objective was to optimize the surfactant ratio which produces the highest wetting properties during the analysis of the solution of the individual surfactants, twoand three-component mixtures, and at different pH values....
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Microplastics in water resources: Global pollution circle, possible technological solutions, legislations, and future horizon
PublikacjaBeneath the surface of our ecosystems, microplastics (MPs) silently loom as a significant threat. These minuscule pollutants, invisible to the naked eye, wreak havoc on living organisms and disrupt the delicate balance of our environment. As we delve into a trove of data and reports, a troubling narrative unfolds: MPs pose a grave risk to both health and food chains with their diverse compositions and chemical characteristics....
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Toward an understanding of occupational burnout among employees with autism – the Job Demands‑Resources theory perspective
PublikacjaThis article aims to gain insight into the phenomenon of occupational burnout among employees with autism based on the theoretical framework of the Job Demands-Resources theory and the literature on employees with autism in the workplace. Firstly, we argue that although the resources and demands of the neurotypical and neurodivergent employees might be different, the theoretical mechanism of occupational burnout formation remains...
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development of an open source software to transform acoustic data for classification of benthic habitat
Publikacja.
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MARITIME LASER SCANNING AS THE SOURCE FOR SPATIAL DATA
PublikacjaThe rapid development of scanning technology, especially mobile scanning, gives the possibility to collect spatial data coming from maritime measurement platforms and autonomous manned or unmanned vehicles. Presented solution is derived from the mobile scanning. However we should keep in mind that the specificity of laser scanning at sea and processing collected data should be in the form acceptable in Geographical Information...
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The Electrical Drive Systems with the Current Source Converter
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Formal Institutions: the Source of Unproductive Entrepreneurship in Poland
PublikacjaThe purpose of this article is to determine the entrepreneurs' perception of formal institutions in Poland as a source of non-productive behaviours. The research methodology was developed based on many years of the teams' research experience. It involved three stages of research: 1) panel of experts and 2) telephone surveys of 1,612 entrepreneurs in Poland, which were the basis for 3) development of detailed research to be conducted...
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Baltic cyanobacteria – a source of biologically active compounds
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A digital cartographic source for numerical models in hydrology
PublikacjaAutorzy prowadzą analizę wykorzystania i przydatności cyfrowych danych kartograficznych w rozwiązywaniu przestrzennych zagadnień hydrologicznych. Szczególne znaczenie dla prowadzonych analiz mają DTM i DEM. Są one źródłem bezpośrednich wielkości wejściowych modelu hydrologicznego i dodatkowo pozwalają na szersze możliwości prezentacji otrzymanego rozwiązania.
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Neutrophil extracellular traps as the main source of eDNA
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Synthesized light source for optical coherence tomography
PublikacjaW artykule omówiono wpływ parametrów źródła promieniowania optycznego na właściwości systemu OCT. Szczególną uwagę zwrócono na źródła syntezowane. Omówiono charakterystykę źródła zbudowanego z dwóch różnych diod SLD. Przedstawiono wyniki pomiarów, które wskazują na możliwości znacznego polepszenia czułości i rozdzielczości systemu OCT wykorzystującego takie źródło.