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Wyniki wyszukiwania dla: EVIDENCE-BASED ARGUMENT, ASSURANCE CASE, CONFORMANCE CASE, TOOL SUPPORT
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Reconstruction of Ancient Lake after Peat Excavation—A Case Study about Water Quality
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MicroRNA profiling in a case-control study of African American women with uterine serous carcinoma
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ENHANCING SOCIAL CAPITAL DEVELOPMENT THROUGHOUT CULTURAL EVENTS. A CASE STUDY OF EASTERN POLAND
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Knowledge organization - Nowy Sącz Business School National Louis University - Case Study
PublikacjaW opracowaniu przedstawiono ewolucję Wyższej Szkoły Biznesu National Louis University w kierunku organizacji wiedzy. Pokazo cechy wyrózniajace tej uczelni w zakresie procesu dydaktycznego, zarządzania, struktur organizacyjnych oraz działalności uczelni jako wszechnicy wiedzy. Omówiono projekt miasteczka mulimedialnego, który ma stanowić w niedalekiej przyszłości o sile relacji uczelni z regionem.
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Nitrogen speciation in wastewater treatment plant influents and effluents - the US and Polish case studies
PublikacjaW pracy przedstawiono wyniki pomiarów różnych frakcji azotu w dopływachi odpływach z trzech konwencjonalnych oczyszczalni ścieków w stanie Illinois (USA) i czterech wysokoefektywnych oczyszczalni w północnej Polsce. Azot organiczny rozpuszczony był dominującą frakcją (56-95%) azotu ogólnego w odpływach z oczyszczalni amerykańskich, podczas gdy w odpływach z oczyszczalni polskich stanowił mniej istotną frakcję (19-62%). W jednym...
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Free surface flow modeling in numerical estimation of flood risk zones: a case study
PublikacjaNa przykładzie doliny Wisły w Warszawie przedstawiono metodę wyznaczenia stref zagrożenia powodziowego. Symulowana numerycznie powódź wywołana została potencjalnym przerwaniem obwałowania rzeki w okolicach Saskiej Kępy. Do obliczeń zastosowano opracowany w Katedrze Hydrotechniki Wydziału Inżynierii Lądowej i Środowiska Politechniki Gdańskiej model dwuwymiarowego, płaskiego przepływu wody ze swobodną powierzchnią.
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Consumer willingness to pay a price premium for ecological goods: a case study from Ukraine
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Cutaneous larva migrans imported from a tropical trip – Case report and literature review
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Robots for Elderly Care: Review, Multi-Criteria Optimization Model and Qualitative Case Study
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Common Data and Technological Partnership - The Foundation for the Development of Smart Cities - Poznań Case Study
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Evolution of ‘dementia infantilis to childhood disintegrative disorder, or autism spectrum disorder’: A case report
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Evolution of ‘Dementia Infantilis to Childhood Disintegrative Disorder, or Autism Spectrum Disorder’: A case report
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From Advice and Consultation to Local Co-governance. The Case of Advisory Councils in Polish Cities
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Air journal bearing utilizing near-field acoustic levitation: stationary shaft case
PublikacjaResults of a study to examine a unique idea of self-levitating journal bearing are presented in this paper. the idea represents a radical departure from the current bearing technology. it utilisesacoustic levitation, which relies on the sound energy radiated by an object supporting a load. acoustic levitation has been demonstrated to support loads of up to 10 kg. in order to support a load theacoustic wave emitted by the radiating...
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Application of Hydrodynamics Model for a Case Study of the Kolbudy II Reservoir Embankment Hypothetical Failure
PublikacjaW pracy przedstawiono hydrodynamiczny model przepływu powodziowego. Jako przykład symulacji powodzi zaprezentowano hipotetyczną awarię bocznej zapory zbiornika Kolbudy II przy Elektrowni Wodnej Bielkowo. Celem symulacji było późniejsze wyznaczenie zasięgu strefy zagrożenia powodziowego wywołanego potencjalną awarią obwałowania zbiornika.
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Nitrogen speciation in wastewater treatment plant influents and effluents - the US and Polish case studies
PublikacjaW pracy badano stężenia rozpuszczonego węgla organicznego i rozpuszczonego azotu organicznego. W badanych oczyszczalniach amerykańskich ta forma azotu stanowiła 56-95% azotu organicznego, podczas gdy w polskich oczyszczalniach udział ten był znacznie niższy i wynosił 19-62%.
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Moment resistance of I-section end-plate roof girder splices; a case study
PublikacjaThis article deals with the problem of determining the resistance of end-plate connections. A nonlinear FEM model of the joint was constructed in order to predict its carrying capacity. A standard code procedure was done as well. The analyses have been done to assess atypical end-plate joints designed and constructed as a part of roof structures.
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The impact of severe postoperative complications on outcomes of bariatric surgery—multicenter case-matched study
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Salt stress vs. salt shock - the case of sugar beet and its halophytic ancestor
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The Character of Animal Exploitation and the Environment at the Polish/Prussian Frontier in the Medieval Period: A Case Study
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In search of excellence in organizational strategy formation in the context of deterministic chaos: the case of Grupa Azoty
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The Polish perspective on adopting EU standards nitrogen removal at large WWTPs - case studies
PublikacjaW związku z przyjęciem nowych regulacji prawnych w zakresie usuwania azotu w dużych oczyszczalniach ścieków (>100 000 RM), potrzebne są wiarygodne i dokładne informacje na temat wymiarowania stref anoksycznych w komorach osadu czynnego. Badania zostały przeprowadzone w oczyszczalniach Gdańsk-Wschód oraz Gdynia-Dębogórze. Ich celem było porównanie szybkości denitryfikacji określonej w warunkach laboratoryjnych oraz obliczonej na...
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Zwalczanie przestępczości skarbowej jako aktywny sposób minimalizacji ryzyka podatkowego - case study
PublikacjaCelem pracy jest prezentacja i ocena sposobów zwalczania przestępczości skarbowej jako jeden z podstawowych sposobów minimalizacji ryzyka podatkowego. Metodologia badania - analizie i ocenie poddano wybrane sposoby zwalczania przestępstw skarbowych. Dla osiągnięcia tego celu posłużono się zarówno analizą literatury, jak i materiałów pochodzących ze statystyk sporządzonych przez służby skarbowe oraz policję. Wyniki - wyniki dowodzą,...
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Anti-crisis activities and export performance in the Covid-19 pandemic: The case of Polish exporters
PublikacjaThe article aims to investigate the impact of anti-crisis activities undertaken by the Polish exporting firms on their export sales during the Covid-19 pandemic. We used a quantitative research design. We conducted the survey on the sample of 161 manufacturing Polish exporting firms between April 21 and June 25, 2021. To verify the assumed relationships, we used the probit regression model. The main novelty is a firm-level analysis...
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Consequences of suboptimal design of Building Integrated Photovoltaic Installation – a case study for Gdansk, Poland
PublikacjaThe carried out analysis concerns 2 kWp building integrated photovoltaic installation (BIPV) at the Chemistry Faculty of Gdansk University of Technology. It was proven that the generated energy data for every month diverge significantly from the expected vales. It is corelated with suboptimal orientation of the installation itself, as well as with the tilt angle varying from optimal.
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Organic solvents aggregating and shaping structural folding of protein, a case study of the protease enzyme
PublikacjaLow solubility of reactants or products in aqueous solutions can result in the enzymatic catalytic reactions that can occur in non-aqueous solutions. In current study we investigated aqueous solutions containing different organic solvents / deep eutectic solvents (DESs) that can influence the protease enzyme's activity, structural, and thermal stabilities. Retroviral aspartic protease enzyme is responsible for the cleavage of the...
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Investigating trip and parking characteristics of hospitals: A case study from Tri-City, Poland
PublikacjaThis research aims to investigate public hospitals’ trip and parking characteristics based on the study conducted in Poland in September 2021 on the example of the Tri-City agglomeration. The main objective of the research was to build models of the relationship between the number of trips during peak transport hours and the number of beds. The second research element was the analysis of transport behavior in these areas. The research...
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The Impact of Material Selection on Durability of Exhaust Valve Faces of a Ship Engine – A Case Study
Publikacjawo alloys were used in order to extend the service life of marine engine exhaust valve head. Layers of cobalt base alloys were made of the powders with with chemical composition as follow: the layer marked L12; C-1,55%; Si-1,21%; Cr-29,7%; W-9%; Ni-2%; Mo<0,01%; Fe-1,7%; Co-54,83% and the layer marked N; C-1,45%; Co-38,9%; Cr-24,13%; Ni-10,43%; W-8,75%; Fe-7,64%; Mo-7,56%; Si-2,59%. Base metal was valve steel after heat treatment....
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The Potential of Improving Air Quality by Urban Mobility Management: Policy Guidelines and a Case Study
PublikacjaThere is a growing recognition among planners and policy makers that proper transformation of urban mobility systems is crucial to the reduction of air pollution emission. The main objective of the work was to review the current urban mobility strategies in the city of Gdańsk, Poland in terms of their potential for the improvement of urban air quality. Firstly, general policy guidelines for mobility systems were formulated based...
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Organic carbon fluxes of a glacier surface: a case study of Foxfonna, a small Arctic glacier
PublikacjaArctic glaciers are rapidly responding to global warming by releasing organic carbon (OC) to downstream ecosystems. The glacier surface is arguably the most biologically active and biodiverse glacial habitat and therefore the site of important OC transformation and storage, although rates and magnitudes are poorly constrained. In this paper, we present measurements of OC fluxes associated with atmospheric deposition, ice melt,...
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Implementation of the FOPID Algorithm in the PLC Controller - PWR Thermal Power Control Case Study
PublikacjaIn the paper authors describe proposition of design and verification procedures of the discrete Fractional Order PID (FOPID) algorithm for control of the Pressurized Water Reactor (PWR) thermal power near its nominal operating point. The FOPID algorithm synthesis consists of: off-line optimal tunning of its parameters in continuous time-domain with LQ (Linear Quadratic) performance index and simplified models of nuclear reactor...
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Balancing Energy Inputs/Outputs and GHG Emissions for Sustainable Wastewater Treatment – a Case Study
PublikacjaThe aim of the study is a model-based evaluation of the selected operating modes and technological upgrades on the energy balance and greenhouse gas (GHG) emissions in a large wastewater treatment plant in the city of Slupsk (northern Poland). The considered scenarios focus on energy savings for aeration, increasing energy recovery via biogas cogeneration and reduction of the CO2 equivalent emission from both direct processes (related...
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Application of Eco-innovative Technologies of Nutrients Removal in Wastewater – Case Study BARITECH Project
PublikacjaEco-innovative technologies in wastewater treatment should provide not only stringent standards for the quality of treated wastewater but also ensure maximum recovery of energy and raw materials from wastewater. One of the ways to improve the removal efficiency of nitrogen and phosphorus compounds in existing conventional wastewater treatment plants is pretreatment of reject water generated during the mechanical...
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Research of the changeability of the vessels traffic intensity of inland waterways – case study for Lower Vistula
PublikacjaThe article presents an analysis of the changeability of traffic intensity of inland waterway vessels in the Vistula Delta. The concept of traffic intensity was defined, traffic flows and disturbances were identified in the studied area. The characteristics of the inland waterway traffic model are presented. The results of the analysis indicate the need to carry out modernization of inland waterways for the needs of inland waterway...
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Sanctions and their role in preventing the appropriation of the creditor’s property rights in bankruptcy proceedings–the case of Poland
PublikacjaThe aim of this paper is to fill the cognitive gap regarding the role of sanc-tions in the protection of a creditor’s property rights in the event of an entrepreneur insolvency. The impact of sanctions on transaction costs, including their identifica-tion and types, as well as the impact on the protection of creditor rights, has been poorly recognized in the subject literature to date. This article investigates...
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An overview of the cognitive and biological effects of city nighttime illumination including a London case study
PublikacjaCurrent scientific research demonstrates how critical the effects of city nighttime illumination are upon cognitive and biological health1 – which needs to be adequately acknowledged, understood and addressed by conscious cities and the plans they develop. Until recent decades, the design of nighttime lighting was determined mostly by electrical engineers who often applied technical standards to meet the requirements of vehicle-focused...
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Methods of Assessment of Metal Contamination in Bottom Sediments (Case Study: Straszyn Lake, Poland)
PublikacjaThe concentrations of six metals (Zn, Cu, Pb, Ni, Cr, and Cd) were investigated in bottom sediments of Straszyn Lake (North Poland). This study was designed to determine a total content of metals and to assess their mobility and bioavailability. The sequential extraction was used to fractionate metals into five fractions: exchangeable, bound to carbonates, bound to Fe–Mn oxides, bound to organic matter, and residual. The evaluation...
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Benchmarking Scalability and Security Configuration Impact for A Distributed Sensors-Server IOT Use Case
PublikacjaInternet of Things has been getting more and more attention and found numerous practical applications. Especially important in this context are performance, security and ability to cope with failures. Especially crucial is to find good trade-off between these. In this article we present results of practical tests with multiple clients representing sensors sending notifications to an IoT middleware – DeviceHive. We investigate performance...
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REVITALIZATION PROJECT OF SLUM TRANSFORMATION: A CASE STUDY HAY-AL TANAK,BEIRUT,LEBANON
PublikacjaSlums are global phenomena that exist as a solution for those who couldn’t afford a house. This phenomenon is growing accompanying the rapid urbanization and the growth of the urban population, three-quarter of the world population anticipated to live in an urban environment by 2050 (Avis, 2016, p. 57). This paper reviews slum's evaluation of the revitalization project for one of the poorest slums in Beirut called Hay-Al Tanak....
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The structure of the data flow in integrated urban traffic management systems – the case of TRISTAR system
PublikacjaThe purpose of the article is to offer some insight into the data flow architecture in the Tri-City’s integrated traffic management system called TRISTAR. To that end selected elements of TRISTAR are identified and described as well as the structure for collecting and exchanging data within different sub-systems. Finally, the article highlights how the TRISTAR system can be extended by adding new elements and modules.
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Structure recognition in MD-simulated materials: a case study of boroxyl rings in borate glasses
PublikacjaZanalizowano statystyczne właściwości geometryczne losowo deformowanej jednostki strukturalnej AC_3, gdzie trzy kationyC znajdują się w wierzchołkach trójkąta równobocznego, a anionA - w jego środku. W szczególności opisano rozkłady kątów AAA,ACA i CAA oraz dwóch estymatorów kształtu w funkcji amplitudydeformacji trójkąta. Wyniki analizy stochastycznej zastosowanodo ilościowej oceny stopnia nieuporządkowania w szkle B_2O_3,symulowanym...
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Road Transport of High Consequence Dangerous Goods—Assessment of Terrorist Threat (Case Study)
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Meeting Requirements Imposed by Secure Software Development Standards and Still Remaining Agile
PublikacjaThe paper introduces the AgileSafe method of selecting agile practices for software development projects that are constrained by assurance requirements resulting from safety and/or security related standards. Such requirements are represented by argumentation templates which explain how the evidence collected during agile practices implementation will support the conformity with the requirements. Application of the method is demonstrated...
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An Impact Analysis of Artificial Light at Night (ALAN) on Bats. A Case Study of the Historic Monument and Natura 2000 Wisłoujście Fortress in Gdansk, Poland
PublikacjaThe artificial light at night (ALAN) present in many cities and towns has a negative impact on numerous organisms that live alongside humans, including bats. Therefore, we investigated if the artificial illumination of the historic Wisłoujście Fortress in Gdańsk, Poland (part of the Natura 2000 network), during nighttime events, which included an outdoor electronic dance music (EDM) festival, might be responsible for increased...
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ANTIOXIDANT POWER SERIES (APS) AS A TOOL FOR RATIONAL DESIGN AND ASSESSMENT OF HEALTH PROMOTING PROPERTIES OF FUNCTONAL FOODS BASED ON ANTIOXIDANT PHYTOCHEMICALS
PublikacjaOver past decades, plantborne antioxidants dominated so called "translational research" in the area of food, nutrition, and disease prevention. Among consumers and producers, such phytochemicals are synonyms of nutriceuticals. Popularity and commercial success of antioxidants stems from mechanistic studies suggesting the involvement of reactive oxygen species in etiology of chronic diseases. However, epidemiology failed to provide...
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Full scale CFD seakeeping simulations for case study ship redesigned from V-shaped bulbous bow to X-bow hull form
PublikacjaIncreasing propulsion efficiency, safety, comfort and operability are of the great importance, especially for small ships operating on windy sites like the North Sea and the Baltic Sea. Seakeeping performance of ships and offshore structures can be analysed by different methods and the one that is becoming increasingly important is CFD RANS. The recent development of simulation techniques together with rising HPC accessibility...
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Concept of the multidimensional diagnostic tool based on exhaust gas composition for marine engines
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Development of the System Assurance Reference Model for Generating Modular Assurance Cases
PublikacjaAssurance cases are structured arguments used to demonstrate specific system properties such as safety or security. They are used in many industrial sectors including automotive, aviation and medical devices. Larger assurance cases are usually divided into modules to manage the complexity and distribute the work. Each of the modules is developed to address specific goals allocated to the specific objects i.e. components of the...
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Smart modeling support for managing complexities and dynamics of knowledge-based systems - part 2
PublikacjaPrzedstawiono i poddano analizie najnowsze trendy w zakresie kierunków badań dotyczących inteligentnego wspomagania zarządzania dynamiką i kompleksowością systemów opartych na wiedzy.
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Deep CNN based decision support system for detection and assessing the stage of diabetic retinopathy
PublikacjaThe diabetic retinopathy is a disease caused by long-standing diabetes. Lack of effective treatment can lead to vision impairment and even irreversible blindness. The disease can be diagnosed by examining digital color fundus photographs of retina. In this paper we propose deep learning approach to automated diabetic retinopathy screening. Deep convolutional neural networks (CNN) - the most popular kind of deep learning algorithms...