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Mixed conductivity in tungstenite-phosphate glasses containing alkali metal ions
PublikacjaThe conductivity of glasses in the 50WO3-(50-x)P2O5-xA2O (A = Na, K, Cs) system has been investigated as a function of composition. It is shown that in tungstenite-phosphate glasses containing different alkali metal ions the conductivity decreases with an increase in the alkali metal ion content. A decrease in conductivity is larger for heavier ions and reaches more than seven orders of magnitude in the case of glass containing...
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Sensors in River Information Services of the Odra River in Poland: Current State and Planned Extension
PublikacjaAccording to adopted in 2016 by the polish Council of Ministers assumptions for the plans for the progress of inland waterways in Poland for the years 2016-2020, with the perspective of 2030, assume that by 2030 Odra along its entire length and the Vistula from Warsaw to Gdansk, they will have become international shipping routes, which will be implemented system of River Information Services (RIS). Aspects of RIS sensor application...
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Free-air anomaly grid on the Gulf of Gdańsk
Dane BadawczeWe present an attempt to determine the accuracy of shipborne gravimetry for the needs of geoid determination. The shipborne gravity campaign, is the beginning of a series of gravimetry measurements in the Polish Exclusive Economy Zone. The campaign was conducted in the area where the accuracy of geoid determination is crucial for the safety of navigation...
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Towards sustainable catalyst-free biomass-based polyurethane-wood composites (PU-WC): From valorization and liquefaction to future generation of biocomposites
PublikacjaA substantial aspect of materials engineering lies in the responsible process of designing polymer-based materials. Due to environmental pollution, excessive consumption of natural resources, and increasing environmental awareness of society, there is a massive need for polyurethane (PU) materials with reduced environmental impact. To date, research on catalyst-free polyurethane-wood composites (PU-WC) has demonstrated a huge potential...
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Advanced Monte Carlo simulator of the polarization-sensitive optical coherence tomography systems
PublikacjaSimulations of the optical coherence tomography (OCT) systems using the Monte Carlo method is a widely explored research area. However, there are several difficulties that need to be overcome in order to properly model the OCT imaging with the Monte Carlo algorithm. First of all, the temporal and the spatial coherence of the scattered light need to be considered, since OCT is based on the interference phenomenon. For the same reason,...
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Imitating Quantum Probabilities: Beyond Bell’s Theorem and Tsirelson Bounds
PublikacjaLocal hidden-variable model of singlet-state correlations discussed in M. Czachor, Acta Phys. Polon. A 139, 70, is shown to be a particular case of an infinite hierarchy of local hidden-variable models based on an infinite hierarchy of calculi. Violation of Bell-type inequalities can be interpreted as a `confusion of languages' problem, a result of mixing different but neighboring levels of the hierarchy. Mixing of non-neighboring...
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PROJEKT STANDARDÓW DOSTĘPNOŚCI DLA OSÓB ZE SZCZEGÓLNYMI POTRZEBAMI DO TRANSPORTOWYCH WĘZŁÓW PRZESIADKOWYCH
PublikacjaW artykule opisano projekt standardów dostępności zintegrowanych węzłów przesiadkowych, które zawierają spójne dla wszystkich elementów ZWP z uwzględnieniem potrzeb i wymagań osób ze szczególnymi potrzebami zasady projektowania, budowy i utrzymania oraz minimalne parametry kluczowych dla samodzielnej realizacji podróży przez osoby ze szczególnymi potrzebami rozwiązań i udogodnień. Przedstawione standardy zawierają zasady i wymagania...
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SUMMER SCHOOL: Arch Drawing 2/ Elective design II: CULTURAL HERITAGE ROUTES – GDAŃSK FORTIFICATION SYSTEM _2023
Kursy OnlineCultural Heritage Routes – Gdańsk Fortification System This course explores challenges, conflicts and concepts of cultural heritage preservation and protection in urban level, their connection to architectural and urban design in the time of digitalisation and their importance for a future of the cities. The aim of this course, based on the case study city of Gdańsk, is to understand the problem of cultural heritage and...
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Analysis of free‐air anomalies on the seaway of the Gulf of Gdańsk. A case study
PublikacjaIn this paper, we present an attempt to determine the accuracy of shipborne gravimetry for the needs of geoid determination. The shipborne gravity campaign, described in this article, is the beginning of a series of gravimetry measurements in the Polish Exclusive Economy Zone. The campaign was conducted in the area where the accuracy of geoid determination is crucial for the safety of navigation on numerous intersecting ships routes....
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Rain Water: Atmospheric Deposition
PublikacjaWater is transferred from the atmosphere to the land surface mainly via various forms of atmospheric precipitation; however, the contribution of surface condensation/deposition (e.g., dew, hoar frost, occult precipitation) should not be neglected. Rainwater and liquid deposits (dew, hoar frost, rime) are components of the physical and geographical environment that are easily assimilated and transported. Thus, they are generally...
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Valorization of bio-based polyols synthesized via biomass liquefaction
Dane BadawczeAs the properties of polyols have a huge impact on the properties of manufactured polyurethanes, this study aims to determine the influence of polyethylene glycols with different molecular masses on the course of the biomass liquefaction process and bio-polyol properties. The obtained polyols were characterized by rheological studies. To confirm the...
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Kinetics of cross-linking processes of fast-curing polyurethane system
PublikacjaThis work focuses on the application of thermal analysis and kinetics investigations to analyze chemical processes during cross-linking of the complex fast-curing polyurethane system. Non-isothermal Differential Scanning Calorimetry (DSC) measurements were performed for both stoichiometric mixtures of polyol and isocyanate component and for mixture with large isocyanate excess. Isoconversional methods were used to calculate initial...
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Konzepte zur Energieeffizienzsteigerung bei Internet-Zugangsgeräten
PublikacjaThe key issue of this paper is the power management of Internet access devices. The paper commences with an outline on the energy consumption of today's IT devices. It is followed by a description of options to increase energy efficiency of computers. The paper proves that in practice network cards and other IT network components, such as modems, network access points, switches and routers have the maximum energy consumption -...
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Biopolyols obtained via crude glycerol-based liquefaction of cellulose: their structural, rheological and thermal characterization
PublikacjaIn this work lignocellulose biomass liquefaction was used to produce biopolyols suitable for the manufacturing of rigid polyurethane foams. In order to better evaluate the mechanism of the process, pure cellulose was applied as a raw material. The effect of time and temperature on the effectiveness of liquefaction and the parameters of resulting biopolyols were characterized. The prepared materials were analyzed in terms of their...
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Dynamic modeling of non-cylindrical curved viscoelastic single-walled carbon nanotubes based on the second gradient theory
PublikacjaThis paper is devoted to the theoretical study of the dynamic response of non-cylindrical curved viscoelastic single-walled carbon nanotubes (SWCNTs). The curved nanotubes are largely used in many engineering applications, but it is challenging in understanding mechanically the dynamic response of these curved SWCNTs when considering the influences of the material viscosity. The viscoelastic damping effect on the dynamic response...
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Evaluation of Vehicle Routing Problem Algorithms for Transport Logistics Using Dedicated GIS System
PublikacjaThe development and research related to optimization of fleet management is of high interest among many industrial and scientific entities related to logistics and transport. Optimal distribution of transportation resources leads to significant cost reduction. In this context, scientific research related to so called Vehicle Routing Problem (VRP) which relies on determining the shortest transport routes for a strictly limited number...
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A new approach to cross-bonding in medium voltage cable lines
PublikacjaThe medium voltage underground cable sheaths are usually bonded and earthed in every substation on the cable route. This results in additional power losses in the sheaths. The paper presents an idea of reducing power losses caused by sheaths cross-bonding. The idea of sheaths cross-connecting only in selected MV/LV substations is given instead of a typical solution, where sheaths cross-bonding requires installing additional joints...
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Wearable system supporting navigation of the blind
PublikacjaImproving blind people comfort of life is a problem ofgreat importance. Fortunately, new technolgies provide us withadditional methods to improve everyday life of the blind and visuallyimpaired. The paper presents experimental system made byresearchers from Department of Geoinformatics of Gdansk Universityof Technology, which is capable of finding the route from theindicated source to chosen destination, using dedicated digital...
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The XRD diffraction patterns of La0.3Sr1.7Fe1.5Mo0.5O6 powder calcined at 1200oC in air
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr1.7Fe1.5Mo0.5O6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1200oC for 12 h in air.
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The XRD diffraction patterns of Sr1.9Fe1.4Ni0.1Mo0.5O6 powder calcined at 1100oC in air
Dane BadawczeThe dataset includes XRD patterns of Sr1.9Fe1.4Ni0.1Mo0.5O6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1100oC for 12 h in air.
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The XRD diffraction patterns of Sr1.9Fe1.5Mo0.5O6 powder calcined at 1100oC in air
Dane BadawczeThe dataset includes XRD patterns of Sr1.9Fe1.5Mo0.5O6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1100oC for 12 h in air.
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The XRD diffraction patterns of Sr1.9Fe1.4Ni0.1Mo0.5O6 powder calcined at 1200oC in air
Dane BadawczeThe dataset includes XRD patterns of Sr1.9Fe1.4Ni0.1Mo0.5O6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1200oC for 12 h in air.
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The XRD diffraction patterns of Sr1.9Fe1.5Mo0.5O6 powder calcined at 1200oC in air
Dane BadawczeThe dataset includes XRD patterns of Sr1.9Fe1.5Mo0.5O6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1200oC for 12 h in air.
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The XRD diffraction patterns of La0.3Sr2Al0.1FeMoO6 powder calcined at 1200oC in air
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr2Al0.1FeMoO6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1200oC for 12 h in air.
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The XRD diffraction patterns of Sr2Al0.1Fe1.4Mo0.5O6 powder calcined at 1100oC in air
Dane BadawczeThe dataset includes XRD patterns of Sr2Al0.1Fe1.4Mo0.5O6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1100oC for 12 h in air.
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The XRD diffraction patterns of La0.3Sr1.7Al0.1Fe1.5Mo0.5O6 powder calcined at 1100oC in air
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr1.7Al0.1Fe1.5Mo0.5O6 powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 1100oC for 12 h in air.
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s powder calcined at 800oC in air
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 800oC for 12 h in air.
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1W0.9O3-s precursor calcined under air atmosphere
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1W0.9O3-s precursor gel prepared using wet chemistry methods, namely modified Pechini route. The powders were calcined at 550oC for 5 h in air.
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s precursor calcined under air atmosphere
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s precursor gel prepared using wet chemistry methods, namely modified Pechini route. The powders were calcined at 550oC for 5 h in air.
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1W0.45Mo0.45O3-s precursor calcined under air atmosphere
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1W0.45Mo0.45O3-s precursor gel prepared using wet chemistry methods, namely modified Pechini route. The powders were calcined at 550oC for 5 h in air.
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Voice Maps - portable, dedicated GIS for supporting street navigtion and self-dependent movement of the blind
PublikacjaThe concept and the prototype application of the system supporting the street navigation and independent, outdoor movement of the blind is presented. The system utilises the GIS database of geometric network of the pedestrian paths in the city and is capable of finding the route from the indicated source to destination. Subsequently, the system supports the movement of the blind along the found route. The information on the user's...
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Renewable natural resources as green alternative substrates to obtain bio-based non-isocyanate polyurethanes-review
PublikacjaCommercially available polyurethanes are synthesized by the polyaddition of diisocyanates with polyols and low molecular weight chain extenders. A new approach to polyurethanes synthesis is realized via non-isocyanate routes. Negative impacts of petroleum-based chemicals on the environment and human health as well as gradual reduction of fuel-based resources, which leads to an increase in their prices, are an incentive to looking...
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Improving the Accuracy of Automatic Reconstruction of 3D Complex Buildings Models from Airborne Lidar Point Clouds
PublikacjaDue to high requirements of variety of 3D spatial data applications with respect to data amount and quality, automatized, effcient and reliable data acquisition and preprocessing methods are needed. The use of photogrammetry techniques—as well as the light detection and ranging (LiDAR) automatic scanners—are among attractive solutions. However, measurement data are in the form of unorganized point clouds, usually requiring transformation...
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Metoda oceny bezpieczeństwa na przejściach dla pieszych w pobliżu szkół
PublikacjaDużym zagrożeniem dla pieszych jest przekraczanie jezdni. Najczęstszym sposobem próby minimalizacji ryzyka z tym związanego jest stosowanie przejść dla pieszych. Jednak często przejścia nie spełniają warunków, które w pełni gwarantowałyby pieszemu bezpieczeństwo. Dorosły uczestnik ruchu jest w stanie obiektywnie ocenić, czy jest dostatecznie widoczny na przejściu, czy samochód zbliżający się do niego będzie w stanie zahamować....
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QoS Extensions for Flow-Awareness Networks
PublikacjaThe paper contains a description and research results of the proposal for distributed QoS extensions for Flow-Based Networking. These QoS extensions let the network accept or reject flows based on current network load and QoS promises for each of the flows. Proposed solution consists of two distributed components, each of them performing in every node, measurement system and access control. The solution could be applied in any...
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Constant vs. Variable Efficiency of Electric Drive in Train Run Simulations
PublikacjaTrain run simulations, which focus on various power- and energy-oriented aspects, should reflect the losses in the electric powertrain. In general, the powertrain efficiency varies with respect to load and speed. Including this relation in simulation requires knowledge about detailed drivetrain parameters, which are often unavailable. This paper verifies the possibility to approximate the drivetrain efficiency in train run simulations...
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Ocena wspierania przez protokół IPv6 transmisji multimedialnych
PublikacjaW pracy pokazano, że protokół IPv6 będący następcą IPv4 zapewnia nieznacznie większe możliwości realizacji usług QoS. Dzięki polom nagłówka datagramu IPV6 definiuje zarówno klasę usług, do jakiej należy dany datagram, jak też priorytety przesyłania danego datagramu. Dodatkowo routery są zobowiązane do przetwarzania datagramów z określonymi klasami usług jak i priorytetami. Łącząc IPv6 z protokołem RSVP można uzyskać minimalne...
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The XRD diffraction patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s powder calcined at 800oC in H2
Dane BadawczeThe dataset includes XRD patterns of La0.3Sr0.6Ce0.1Ni0.1Mo0.9O3-s powder prepared using wet chemistry methods, namely modified Pechini route. The powders were sintered at 800oC for 12 h in H2. Pure perovskite phase was formed
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Aproksymacja przebiegu trasy kolejowej na przykładzie krzywoliniowego odcinka połączenia Somonino-Gdańsk Osowa
PublikacjaW artykule zaprezentowano wyniki wyznaczenia współrzędnych przebiegu trasy kolejowej metodami aproksymacji wielomianowej i interpolacji krzywą kubiczną w oparciu o pomiary czasu rzeczywistego GPS zrealizowane z wykorzystanie polskiej aktywnej sieci geodezyjnej ASG-EUPOS. Rozważania teoretyczne poparte zostały praktycznym przykładem aplikacyjnym opartym o zrealizowane pomiary inwentaryzacyjne zmodernizowanego odcinka toru kolejowego...
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Review on robust laser light interaction with titania – Patterning, crystallisation and ablation processes
PublikacjaTitanium dioxide is regarded as a very promising semiconducting material that is widely applied in many everyday-use products, devices, and processes. In general, those applications can be divided into energy or environmental categories, where a high conversion rate, and energy and power density are of particular interest. Therefore, many efforts are being put towards the elaboration of novel production routes, and improving the...
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The role of isolated farmsteads in the open landscape protection on the example of Kashubia
PublikacjaAs a result of the social and economic transformation of rural areas, open landscapes are disappearing. Former farmsteads are being devastated or beginning to lose their landscape context due to the spread of residential building development. At the same time, in many places, the farmstead form is clearly legible and remains an element with which the view is structured and enriched. The article was aimed at drawing attention to...
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Sessile serrated polyp - Female, 65 - Tissue image [6260730021894071]
Dane BadawczeThis is the histopathological image of COLON tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Polyester-urethanes modified with gelatine for tissue scaffolds
PublikacjaNovel aliphatic PU foams, modified with gelatine, were obtained in a one-step polymerization process. Hard segments were obtained from 1,6-hexamethylene diisocyanate (HDI) and chain extenders 1,4-butanediol (BDO) or 2-(2-(2-hydroxyethoxy)ethoxy)ethanol (TG), soft segments were obtained from poly(ethylene-buthylene adipate) (EBO) polyol. We examined the PU foams for their sorption capability in canola oil, saline (0.9% NaCl water...
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Pheochromocytoma, NOS - Male, 58 - Tissue image [10010729534329611]
Dane BadawczeThis is the histopathological image of ADRENAL GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Seminoma, NOS - Male, 19 - Tissue image [412073002288261]
Dane BadawczeThis is the histopathological image of TESTIS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Seminoma, NOS - Male, 19 - Tissue image [4120730022886921]
Dane BadawczeThis is the histopathological image of TESTIS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Seminoma, NOS - Male, 19 - Tissue image [4120730022884891]
Dane BadawczeThis is the histopathological image of TESTIS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Pheochromocytoma, NOS - Male, 58 - Tissue image [10010729534329251]
Dane BadawczeThis is the histopathological image of ADRENAL GLAND tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Leydig cell tumor of testis, NOS - Male, 29 - Tissue image [4120730022889261]
Dane BadawczeThis is the histopathological image of TESTIS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Minimization of the number of periodic points for smooth self-maps of simply-connected manifolds with periodic sequence of Lefschetz numbers
PublikacjaLet f be a smooth self-map of m-dimensional, m ≥ 4, smooth closed connected and simply-connected manifold, r a fixed natural number. For the class of maps with periodic sequence of Lefschetz numbers of iterations the authors introduced in [Graff G., Kaczkowska A., Reducing the number of periodic points in smooth homotopy class of self-maps of simply-connected manifolds with periodic sequence of Lefschetz numbers, Ann. Polon. Math....