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Search results for: DIDACTICAL CASE STUDY
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Study on CPU and RAM Resource Consumption of Mobile Devices using Streaming Services
PublicationStreaming multimedia services have become very popular in recent years, due to the development of wireless networks. With the growing number of mobile devices worldwide, service providers offer dedicated applications that allow to deliver on-demand audio and video content anytime and everywhere. The aim of this study was to compare different streaming services and investigate their impact on the CPU and RAM resources, with respect...
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Application of COSMO-RS-DARE as a Tool for Testing Consistency of Solubility Data: Case of Coumarin in Neat Alcohols
PublicationCoumarin is a naturally occurring lactone-type benzopyrone with various applications in the pharmaceutical, food, perfume, and cosmetics industries. This hydrophobic compound is poorly soluble in water but dissolves well in protic organic solvents such as alcohols. Despite the extensive use of coumarin, there are only a few reports documenting its solubility in organic solvents, and some reported data are incongruent, which...
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Parametric Study on a Performance of a Small Counter-Rotating Wind Turbine
PublicationA small Counter-Rotating Wind Turbine (CRWT) has been proposed and its performancehas been investigated numerically. Results of a parametric study have been presented in this paper.As parameters, the axial distance between rotors and a tip speed ratio of each rotor have been selected.Performance parameters have been compared with reference to a Single Rotor Wind Turbine (SRWT).Simulations were carried out with Computational Fluids...
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Pluralist View on Inequality from Luxemburg Income Study (LIS)
PublicationThe authors start by reviewing the history of the Luxembourg Income Study (LIS), originating from an interdisciplinary project involving economists, sociologists, and political scientists, centered on the cross-country perspective in inequality analysis. They then conduct a meta-analysis of the papers produced by scholars who have taken advantage of the data availability, showing how the theme of income/wealth inequality has been...
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Experimental and computational study on mechanical behaviour of carpentry corner log joints
PublicationThis work concerns experimental and numerical research on carpentry joints used in historic wooden buildings in southeastern Poland and western Ukraine. These structures are mainly sacred buildings, and the types of corner log joints characteristic of this region are primarily saddle-notch and dovetail joints; thus, these two types of joints were analysed in this study. The modelling of historic timber structures is a complex...
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Experimental study on the effectiveness of polymer damper in damage reduction of temporary steel grandstand
PublicationA large number of accidents, involving collapses of temporary grandstands during different types of events, were observed in the past. If the synchronized movement of people is tuned with the natural frequency of the affected part of the structure, resonance might occur. It may lead to severe damages of grandstands, their collapse or panic among the spectators. The aim of the paper is to assess, through preliminary experimental...
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Educating planners in Europe: A review of 21st century study programmes
PublicationEducation for urban, regional and spatial planning has become a regular subject throughout most European nations; this can be attributed in part to European policies promoting planning and spatially balanced development, but also to the recognition that planning can support sustainability. Nevertheless, there is lingering and justifiable concern about the status, profile and recognition of planning as a profession in its own right...
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A NUMERICAL STUDY ON THE DYNAMICS OF DENGUE DISEASE MODEL WITH FRACTIONAL PIECEWISE DERIVATIVE
PublicationThe aim of this paper is to study the dynamics of Dengue disease model using a novel piecewise derivative approach in the sense of singular and non-singular kernels. The singular kernel operator is in the sense of Caputo, whereas the non-singular kernel operator is the Atangana–Baleanu Caputo operator. The existence and uniqueness of a solution with piecewise derivative are examined for the aforementioned problem. The suggested...
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The Impact of Innovation and Information Technology on Greenhouse Gas Emissions: A Case of the Visegrád Countries
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Optimization of Wastes Compaction Parameters in Case of Gradual Wear of the Briquetting Press Rolls
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Odontogenic orbital cellulitis in a young man with complete vision loss – a case report
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The financial impact of urbanization costs in Poland at municipality level – the case of Wrocław city
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DRESS SYNDROME AS SERIOUS SKIN HYPERSENSITIVITY REACTIONS ASSOCIATED WITH OLANZAPINE: CASE REPORT
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Diffuse axonal injury – an interdisciplinary problem. Current knowledge and two case reports
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Deep brain stimulation in obsessive-compulsive disorder – case report of two patients
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Mycosis fungoides with a dramatic course in a patient with a history of pyoderma gangrenosum – a case report
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Can the AHCL System Be Used in T1D Patients with Borderline TDDI? A Case Report
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Type 1 diabetes in an adolescent with social problems and mental disorders – case report
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Correlation between the Level of Economic Growth and Foreign Trade: The Case of the V4 Countries
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Different strategies in actuation of an over-articulated system - a case of a planar waking robot
PublicationPraca prezentuje zagadnienia modelowania dynamiki robotów kroczących. Koncentruje się na zagadnieniach modelowania robotów kroczących i sterowania napędami nadmiarowymi (liczba napędów/silników jest większa niż liczba stopni swobody układu). Napędy nadmiarowe pojawiają się z uwagi na więzy jednostronne występujące w układzie. Dla układów płaskich, po pojawieniu się kontaktu koła i odnóża, układ o sześciu stopniach swobody przechodzi...
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From chemoresistance to cancer stem cells: the case of BRCP/ABCG2 half transporter
PublicationLudzkie białko ABCG2 jest pompą typu ABC tworzącą homodimery i aktywnie transportującą leki i inne substraty naturalne i syntetyczne. Nadekspresja tego białko prowadzi do oporności na leki przeciwnowotworowe. Białko ABCG2 występuje w wielu formach zmutowanych, różniących się własnościami substratowymi, stąd istotne dla oporności na leki jest jaka forma genu i białka ABCG2 ulega nadekspresji w komórce. Ostatnie badania wskazują,...
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Chromoblastomycosis as an endemic disease in temperate Europe: first confirmed case and review of the literature
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Blood glucose level as an insufficient indicator of feline diabetes mellitus: a case report
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Investment strategy of sovereign wealth funds from emerging markets: the case of China
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A Multicriteria Analysis for the Green VRP: A Case Discussion for the Distribution Problem of a Spanish Retailer
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THE IMPACT OF ENVIRONMENTAL TAXES ON TRANSPORTATION AND STORAGE ENTERPRISES’ DEVELOPMENT – THE CASE OF BALKAN COUNTRIES
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HEALTH-AFFIRMING EVERYDAY LANDSCAPES IN SUSTAINABLE CITY. ECO-NEIGHBORHOODS IN FRANCE CASE
PublicationThis paper discusses the close relationship between the concept of health-affirming everyday landscapesand the idea of sustainable city design.The French National program of eco-neighborhood certification ÉcoQuartier is described and the correlation between the concepts of health-affirming landscapes,sustainable cities, and eco-neighborhoods is explained using the example of a selected eco-neighborhood in France.
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High-quality academic teachers in business school. The case of The University of Gdańsk, Poland
PublicationThe Bologna process, the increasing number of higher education institutions, the mass education and the demographic problems make the quality of education and quality of the academic teachers a subject of wide public debate and concern. The aim of the paper is to identify the most preferred characteristics of a teacher working at a business school. The research problem was: What should a high-quality business school academic teacher...
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Influence of water salinity on corrosion risk - the case of the southern Baltic Sea coast.
PublicationWater corrosivity in Gdansk Bay, Poland, the southern part of the Baltic Sea, was investigated. The analysed region is heavily industrialized, and the coastline is very diverse. Twenty-seven test points along the coastline were selected. Water parameters such as salinity, total dissolved solids content, resistivity, conductivity, oxygenation, pH and corrosion rate were determined. The results of the investigation are presented....
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Application of time-series-cross-section data in case of sale forecasting in an enterprise
PublicationW artykule wskazano możliwości wykorzystania danych przestrzenno-czasowych do prognozowania sprzedaży w przedsiębiorstwie. Przedstawiono różne podejścia do prognozowania ekonometrycznego przy użyciu tego typu danych. Wyznaczono krótkookresowe prognozy sprzedaży benzyny bezołowiowej Pb95 w przekroju województw oraz dokonano oceny ich jakości przy użyciu mierników ex-post. Dwie najdokładniejsze metody prognozowania wykorzystano do...
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River valley in planning documents. The case of towns in the northern part of Gdansk agglomeration
PublicationW strukturach zurbanizowanych doliny rzek pełnią funkcję korytarzy ekologicznych - jako element systemu ekologicznego zapewniają połączenie z obszarami zasilającymi. Niektóre z nich mają znaczenie ponadlokalne. Jednocześnie doliny rzek mogą być użytkowane jako przestrzeń integracji i rekreacji lokalnej społeczności. Strategie ochrony i kształtowania powyższych funkcji są ustalane w dokumentach planistycznych różnych szczebli....
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Integracja narzędzi CASE w oparciu o projekt uniwersyteckiego centrum kompetencyjnego
PublicationGłębokie zmiany, jakie zachodzą w informatyce, polegające na przejściu od fundamentalnych aplikacji i ich wsparcia infrastrukturą informatyczną do traktowania oprogramowania jako usługi SaaS (ang.Software-as-a-Service) oraz infrastruktury informatycznej jako usługi IaaS (ang. Infrastructure-as-a-Service), wymuszają gruntowne zmiany również w procesach kształcenia.
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Minimizing the number of periodic points for smooth maps. Non-simply connected case
PublicationNiech f będzie gładkim odwzorowaniem zamkniętej rozmaitości o wymiarze wiekszym niż 2, a r ustaloną liczbą naturalną. W artykule zdefiniowany został niezmiennik topologiczny równy minimalnej liczbie punktów r-periodycznych w gładkiej klasie homotopii f.
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Szczególny przypadek zastosowania obwodu elektrycznego. A particular case of electric circuit application
PublicationPrzedstawiono szczególne zastosowanie elektrycznego obwodu zastępczego dobadania hemodynamiki nerki. Cechą wyróżniającą taki obwód jest zasilanie napięciem pulsującym, którego kształt odpowiada zmianom ciśnienia tętniczego. Rozważono możliwość diagnostyki stanu nerki, czyli możliwość odtworzenia zmianami parametrów elektrycznych zmian patologicznych.
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Application of case based reasoning to hybrid expert system for electronic filter design
PublicationPrzedstawiono koncepcję i przykład praktycznej realizacji obiektowo zorientowanego hybrydowego systemu ekspertowego wykorzystującego rozumowanie sytuacyjne. System wykorzystuje algorytmy najbliższego sąsiada i sztuczne sieci neuronowe. System został przetestowany jako klasyfikator decyzyjny w projektowaniu filtrów elektronicznych. W budowie systemu został wykorzystany obiektowy system CLIPS, rozszerzony o wiele dodatkowych funkcji...
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Geo-Questionnaire for Environmental Planning: The Case of Ecosystem Services Delivered by Trees in Poland
PublicationStudies on society and the environment interface are often based on simple questionnaires that do not allow for an in-depth analysis. Research conducted with geo-questionnaires is an increasingly common method. However, even if data collected via a geo-questionnaire are available, the shared databases provide limited information due to personal data protection. In the article, we present open databases that overcome those limitations....
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Potential Impact of Waterway Development on Cultural Landscape Values: The Case of the Lower Vistula
PublicationThe northern (“lower”) section of the Vistula is on the route of two international waterways—E70 and E40. However, the current condition of the riverbed prevents larger vessels from passing through. Plans for the waterway date back to the beginning of the 20th century. Following Poland’s ratification of the European Agreement on Main Inland Waterways of International Importance in 2017, the general concept has been transformed...
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Experimental and numerical study on polymer element used for reduction of temporary steel grandstand vibrations
PublicationThe purpose of the paper is to analyse the effectiveness of a polymer damper in reduction of a temporary steel grandstand vibrations through the experimental and numerical study. The damper considered in the investigation is constructed out of two L-shape steel members bonded with polymer mass of high damping properties. The element has been installed as a diagonal one at the back part of the structure. The method has been compared...
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Amides as models to study the hydration of proteins and peptides — spectroscopic and theoretical approach on hydration in various temperatures
PublicationInteractions with water are one of the key factors which determine protein stability and activity in aqueous solutions. However, the protein hydration is still insufficiently understood. N-methylacetamide (NMA) is regarded as a minimal part of the peptide backbone and the relative simplicity of its structure makes it a good model for studies on protein–water interactions. In this paper, the influence of NMA and N,N-dimethylacetamide...
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Experimental and comparative study on the two-phase pressure drop of air-water mixture in U-bend and straight pipe annuli
PublicationIn this paper, the experimental and theoretical analysis of pressure drop in singlephase and two phase-flow were presented for straight and U-bend smooth tube annulus and tube annulus with wire coil insert. Experiments for various boundary conditions were performed. In case of U-tube and straight tube with and without turbulator, tests were made for the water-water and air-water systems. The study covered a wide measuring range,...
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Indoor Air Quality: A Bibliometric Study
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Digital Fashion Competences: A Longitudinal Study
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Inverse Potassium Hydride: A Theoretical Study
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Inverse Sodium Hydride: A Theoretical Study
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Magnetic study of Fe3O4/Ag nanoparticles
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Magnetic study of nanocrystalline 0.95MnO/0.05ZnO
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Study on the concentration of acids by membrane distillation
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Numerical and Experimental Study of Propeller Ventilation
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Numerical and Experimental Study of Propeller Ventilation
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A study of modern materials for arc spraying
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