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Sensitivity of the Baltic Sea level prediction to spatial model resolution
Publikacjahe three-dimensional hydrodynamic model of the Baltic Sea (M3D) and...
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Temporal and Spatial Variations of Trophic Status of a Small Lowland River
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Paraxial parameters and aberration of seven-electrode axisymmetric cathodic lens
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The Spatial and Temporal Distribution of Process Gases within the Biowaste Compost
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Impact of Spatial Noise Correlation on Bearing Accuracy in DIFAR Systems
PublikacjaDIFAR type underwater passive systems are one of the more commonly used tools for detecting submarines. At the design stage, which usually uses computer simulations, it is necessary to generate acoustic noise of the sea. It has been shown that correlating noise significantly reduces these errors compared to the assumption that noise is uncorrelated. In addition, bearing errors have been shown to be the same in systems with a commonly...
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Clinical anatomy of the spatial structure of the right ventricular outflow trac
PublikacjaBackground. The right ventricular outflow tract (RVOT) is located above the supraventricular crest and reaches the level of the pulmonary valve. Detailed knowledge of the RVOT spatial structure and its morphology is extremely important for cardiac invasive therapeutic procedures. Objectives. To examine the spatial structure of the RVOT using virtual models of the right ventricle (RV) interior obtained post mortem. Material and...
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Preliminary Study on Automatic Recognition of Spatial Expressions in Polish Texts
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Export diversification and economic development: A dynamic spatial data analysis
PublikacjaThis paper contributes to the empirical literature on the relationship between “export variety” (export diversification) and economic development by relaxing the assumption of cross-country independence and allowing for spatial diffusion of shocks in observed and unobserved factors. Export variety is measured for a balanced panel of 114 countries (1992–2012) using very detailed information on their exports (HS 6-digit product level)....
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Capacity analysis of the selected track system in partially ordered space
PublikacjaA proper location of the interval sections has significant impact on the traffic flow in the railway track network. This issue is critical during line modernization as well as when a new solution accounting for the traffic forecast at particular element of the railway track network is developed . However, the situation is more complex and more expensive for railway stations since improvement of the capacity requires critical organizational...
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The Most Valuable Global Brands and Condition of Economies: a Spatial Approach
PublikacjaResearch background: Brands are considered to be the most valuable asset of a company. Some of them achieve spectacular global results. The significance of global brands is proved by the fact that their value is often greater than the sum of all company’s net assets. Purpose of the article: The aim of this article is to highlight that brand value does not only create company’s value but also leverages economies. We claim that even though...
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Changes in Functional and Spatial Layouts of Polish Single-Family Houses
PublikacjaArticle presents the evolution of functional and spatial layouts of single-family houses in Poland, with particular emphasis on the functions of a contemporary house. Singlefamily housing constitutes a significant part of the construction market in Poland. The way of forming functions in single-family buildings in the historical cycle has characteristic features resulting from the culture of the society in a given period. The functional...
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Building culture written into the landscape – how to read spatial tradition
PublikacjaThe article presents a discussion on the experimenting with material leading to practical so-lutions in building structure in the context of the tradition of the place. It sketches out the practical aspects of creation of space while working with different local materials during the intensive workshops within the Structures in Building Culture IP programme. This kind of unique possibility to practice raw materials gives also the...
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DEGRADATION OF GFRP MARINE LAMINATES WITH NANO PARTICLE MODIFIED COATINGS
PublikacjaWater absorption and surface blistering behaviour was studied for polyester-matrix laminates with SiO2 nanoparticle reinforced gel coats. Accelerated water immersion tests at 37°C showed that addition of 10% nanoparticles increases blisters incubation time by ca. 50% compared to 5% and 0% nanoparticles composites.
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Student competitions as a socio-spatial tool for planning urban structures
PublikacjaThe aim of the article is to show the interdependencies between theory and practice based on the example of the student competitions at the Faculty of Architecture at the Gdańsk University of Technology. These competitions, on the one hand, broaden the spectrum of issues related to design and, on the other hand, contribute to the better recognition of problems related to tasks to be solved. Both the teaching and applicational aspects...
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Chemometrics in monitoring spatial and temporal variations in drinking water quality
PublikacjaOpracowanie przedstawia wyniki zastosowania wybranych technik chemometrycznych w monitoringu okresowych i powierzchniowych zmian jakości wody pitnej na podstawie wyników oznaczeń chloro i bromopochodnych produktów dezynfekcji wody w 12 dzielnicach w Gdańsku w okresie 1993-2000. Na podstawie wyników analizy podobieństwa lokalizacje podzielono na dwie grupy dzielnic różniących się jakością wody pitnej spowodowanej różnicami wynikającymi...
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A New Phenylalanine Derivative Acts as an Antagonist at the AMPA Receptor GluA2 and Introduces Partial Domain Closure: Synthesis, Resolution, Pharmacology, and Crystal Structure
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What Triggers Us to Be Involved in Martial Arts? Relationships between Motivations and Gender, Age and Training Experience
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AN ALGORITHM FOR PORTAL HYPERTENSIVE GASTROPATHY RECOGNITION ON THE ENDOSCOPIC RECORDINGS
PublikacjaSymptoms recognition of portal hypertensive gastropathy (PHG) can be done by analysing endoscopic recordings, but manual analysis done by physician may take a long time. This increases probability of missing some symptoms and automated methods may be applied to prevent that. In this paper a novel hybrid algorithm for recognition of early stage of portal hypertensive gastropathy is proposed. First image preprocessing is described....
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Bleeding in anticoagulated patients with atrial fibrillation: practical considerations
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Bleeding in anticoagulated patients with atrial fibrillation: practical considerations
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Stellate cells in livers of dogs with portal vein hypoperfusion
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Portal of Portals - MISSION (Socrates Minerva 2001-2003).
PublikacjaPrzedstawiono koncepcję budowy portalu dla projektu Socrates Minerva MISSION. Z powodu dużej ilości partnerów biorących udział w projekcie, dużej ilości różnorodnych zadań do wykonania przez różne kraje, zaproponowano podział portalu na oddzielne części (baza danych, narzędzia, serwisy) i podpiąć tylko linki do menu na stronie głównej zlokalizowanej na serwerze CEN PG.
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Portal www.telewelfare.com finalistą konkursu eEurope Awards for eHealth.
PublikacjaArtykuł przedstawia wybrane projekty telemedyczne prezentowane w finale konkursu eHealth w Irlandii. Wśród nominowanych znalazł się projekt Katedry Systemów Multimedialnych Politechniki Gdańskiej i Instytutu Fizjologii i Patologii Słuchu w Warszawie. System ten został pokrótce omówiony.
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Correlation between partial inhibition of hydrogen evolution using thiourea and catalytic activity of AB5-type hydrogen storage alloy towards borohydride electrooxidation
PublikacjaDirect borohydride fuel cells (DBFCs) are devices which directly convert the chemical energy stored in the borohydride ion and oxidant into electrical energy as a result of redox reactions. Unfortunately, a significant amount of fuel is lost as a result of the undesirable hydrolysis reaction. The selection of an efficient borohydride hydrolysis inhibitor requires detailed knowledge regarding the interaction mechanism between the...
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Smooth Particle Hydrodynamics (SPH) approach in simulating large penetration into soil
PublikacjaA study of Smooth Particle Hydrodynamics (SPH) approach for predicting large soil deformation is presented. Theoretical basics of SPH method, including the equations governing, discussion of the importance of smoothing function length, contact formulation, boundary treatment and finally utilization in hydrocodes simulations are presented. An application of SPH to a real case of large penetrations (crater creating) into soil caused...
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URBANIZATION OF METROPOLITAN AREAS – THE IMPORTANCE OF NEW SPATIAL DATA ANALYSIS TOOLS
PublikacjaNowadays, a rapid development of metropolises is connected with the pressure on urbanizing, which leads to a sharp increase in developed areas as well as urbanized areas. As this trend becomes more dynamic, cities sprawl beyond their administrative boundaries, causing spatial disintegration and hindering sustainable development of a given area. Increased dispersion of residential area results in extensive and chaotic spatial development,...
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Development of particle accelerator technology in Europe: digest of infrastructural and research projects
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Modeling of natural convection with Smoothed Particle Hydrodynamics: Non-Boussinesq formulation
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The Implementation of the Taxonomic Spatial Measure of Development in the Analysis of Convergence in the Standard of Living
PublikacjaThe main goal of this paper is to analyse the existence of the social convergence in the European Union between 19952012. The social convergence refers to a reduction in the dispersion of the standard of living across countries. A taxonomic spatial measure of development was used as the standard of living approximation. The use of the new approach proposed by E. Antczak allowed for an explanation of the disparities in the analysed...
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The influence of small intestinal mucus structure on particle transport ex vivo
PublikacjaMucus provides a barrier to bacteria and toxins while allowing nutrient absorption and waste transport. Unlike colonic mucus, small intestinal mucus structure is poorly understood. This study aimed to provide evidence for a continuous, structured mucus layer and assess the diffusion of different sized particles through it. Mucus structure was assessed by histology and immunohistochemistry. Ultra-structure was assessed by scanning...
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Performance evaluation of the parallel object tracking algorithm employing the particle filter
PublikacjaAn algorithm based on particle filters is employed to track moving objects in video streams from fixed and non-fixed cameras. Particle weighting is based on color histograms computed in the iHLS color space. Particle computations are parallelized with CUDA framework. The algorithm was tested on various GPU devices: a desktop GPU card, a mobile chipset and two embedded GPU platforms. The processing speed depending on the number...
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The Importance of Contextual Topology in the Process of Harmonization of the Spatial Databases on Example BDOT500
PublikacjaIn this work, we present two detailed problems of topological errors in spatial database. Both issues are inconsistencies in the database, i.e. interior topological relationships layers of buildings and the relationship between the buildings layer and the layer of plots. That inconsistency is related to the residual polygons that arise as a result of overlapping objects, or gaps between objects. The occurrence of this type of error...
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Numerical modelling of water transport processes in partially-connected tidal basins
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Temporal and spatial complementarity of wind and solar resources in Lower Silesia (Poland)
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Performance evaluation of the parallel object tracking algorithm employing the particle filter
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ANALYSIS OF SPATIAL CHANGES IN GROUNDWATER RETENTION FOR THE ODER VALLEY IN THE MALCZYCE REGION
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Optimal Power Flow Problem Using Particle Swarm Optimization Algorithm
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Application of economic distance for the purposes of a spatial analysis of the unemployment rate for Poland
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Fluorescent imaging of heavy charged particle tracks with LiF single crystals
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Mapping the spatial distribution of global anthropogenic mercury atmospheric emission inventories
PublikacjaW pracy przedstawiono procedury zastosowane do przygotowania map emisji rtęci ze źrodeł antropogennych na skale globalna i przedyskutowano wyniki obliczeń przedstawione na tych mapach. Dane o emisji użyte do przygotowania map zostały obliczone i opublikowane przez Pacyna et al. (2006). W niniejszej pracy przedstawiono mapy emsji dla roku 2000 oraz zmodyfikowane mapy emisji dla roku 1995.Mapy z rozkladem emisji w układzie gridów:...
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ECONOMIC ASPECTS OF LOCAL SPATIAL DEVELOPMENT PLAN BASED ON THE EXAMPLE OF WROCLAW
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Spatial differentiation of road safety in Europe based on NUTS-2 regions
PublikacjaRoad safety varies significantly across the regions in Europe. To understand the factors behind this differentiation and the effects they have, data covering 263 NUTS-2 (Nomenclature of Territorial Units for Statistics) regions across Europe (European Union and Norway) have been analysed. The assessment was made using Geographically Weighted Regression (GWR). As a dependent variable the Road Fatality Rate (RFR – number of fatalities...
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Spatial Visualization Based on Geodata Fusion Using an Autonomous Unmanned Vessel
PublikacjaThe visualization of riverbeds and surface facilities on the banks is crucial for systems that analyze conditions, safety, and changes in this environment. Hence, in this paper, we propose collecting, and processing data from a variety of sensors—sonar, LiDAR, multibeam echosounder (MBES), and camera—to create a visualization for further analysis. For this purpose, we took measurements from sensors installed on an autonomous, unmanned...
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Simplified Method of Modelling Behaviour of Ship in Waves with Partially Flooded Compartments
PublikacjaThis paper contains a description of a numerical model for calculating behaviour of ships in waves. There are many models available, but the one described here can be characterised with a set of parameters that have a decisive impact on the final values of roll motion amplitude and frequency. In this paper, it is shown how a fitting of a standard-shape hull characterised by certain readily available parameters affects...
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Can the Pandemic Be a Catalyst of Spatial Changes Leading Towards the Smart City?
PublikacjaThe worldwide spread of Covid‐19 infections has had a pervasive influence on cities and the lives of their residents. The current crisis has highlighted many urban problems, including those related to the functionality of urban structures, which directly affect the quality of life. Concurrently, the notion of “smart cities” is becoming a dominant trend in the discourse on urban development. At the intersection of these two phenomena,...
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Urban Farming – The Ecological, Spatial and Social Factors of Urban Landscape Transformation
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The Dynamics of Party System in India: A Comparative Study of National and Regional Parties
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Towards discovering human urban activity—tactics of human spatial behavior
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Guided ultrasonic waves for detection of debonding in bars partially embedded in grout
PublikacjaThis paper deals with theoretical, numerical and experimental investigations of guided wave propagation in multilayered cylindrical bars with pre-existing debonding. The research focuses on a complex description of the nature of the wave phenomena occurring in a debonded specimen with a special emphasis on the influence of the location of damage on the wave conversion and diffraction. Experimental non-destructive and destructive...
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The smartest location for an eco-district– investigation of urban spatial energy efficiency
Publikacjancreasing awareness concerning environmental aspects of spatial and architectural planning led to more deliberated projects of eco-districts. Located all over the world and constantly being improved, apart from excellent energetical parameters, most of them have one specific characteristic in common, which is location in the outskirts. The aim of this article was to understand the importance of ecological district location depending...