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- Publikacje 2521 wyników po odfiltrowaniu
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Wyniki wyszukiwania dla: mma welding
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Inflammatory myofibroblastic tumor - Female, 66 - Tissue image [3140630024322441]
Dane BadawczeThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS 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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Inflammatory myofibroblastic tumor - Female, 66 - Tissue image [3140630024322821]
Dane BadawczeThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS 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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Inflammatory myofibroblastic tumor - Female, 66 - Tissue image [3140630024324461]
Dane BadawczeThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS 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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Inflammatory myofibroblastic tumor - Female, 66 - Tissue image [3140630024327221]
Dane BadawczeThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS 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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Inflammatory myofibroblastic tumor - Female, 66 - Tissue image [3140630024324571]
Dane BadawczeThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS 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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Scanning electron microscopy studies of the weld decay on SS 304 of water supply pipeline
Dane BadawczeThis dataset contains micrographs made with scanning electron microscope (SEM) Hitachi S-3400N, of the weld decay for water supply system pipelines made of AISI 304 stainless steel. Within the dataset one can see the different corrosion mechanisms. The micrographs were made after the Strauss test (excluding pictures labeled as pits_in_HAZ, done without...
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[IMa] Experimental Methods for Materials Characterisation - 2024
Kursy Online{mlang pl} Dyscyplina: inżynieria materiałowa Zajęcia obowiązkowe dla doktorantów I i II roku Prowadzący: R. Bogdanowicz, J. Karczewski, T. Klimczuk, S. Molin, M. Strankowski, N. Wójcik, Liczba godzin: 30 Forma zajęć: laboratoria {mlang} {mlang en} Discipline: materials engineering Obligatory course for 1-st and 2nd-year PhD students Teachers: R. Bogdanowicz, J. Karczewski, T. Klimczuk, S. Molin, M. Strankowski, N....
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[IMa] Electrical methods of materials and structures characterization
Kursy Online{mlang pl} Dyscyplina: inżynieria materiałowa Zajęcia fakultatywne dla doktorantów I i II roku Prowadzący: prof. dr hab. inż. Piotr Jasiński Liczba godzin: 15 Forma zajęć: wykład/seminarium {mlang} {mlang en} Discipline: materials engineering Facultative course for 1st and 2nd year PhD students Academic teachers: prof. dr hab. inż. Piotr Jasiński Total hours of training: 15 teaching hours Course type: lecture/seminar {mlang}
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[NCh, IMa] Health Effects of Food Components
Kursy Online{mlang pl} Dyscyplina: nauki chemiczne, inżynieria materiałowa Zajęcia fakultatywne dla doktorantów I i II roku Prowadzący: prof. dr hab. inż. Agnieszka Bartoszek-Pączkowska Liczba godzin: 15 Forma zajęć: wykład {mlang} {mlang en} Discipline: chemical sciences, materials engineering Facultative course for 1st and 2nd-year PhD students Academic teachers: prof. dr hab. inż. Agnieszka Bartoszek-Pączkowska Total hours...
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Catalytic impact of alloyed Al on the corrosion behavior of Co50Ni23Ga26Al1.0 magnetic shape memory alloy and catalysis applications for efficient electrochemical H2 generation
PublikacjaThe electrochemical and corrosion behaviour of Co50Ni23Ga27-xAlx (x = 0 and 1.0 wt%) magnetic shape memory alloys (MSMAs) was studied in 0.5 M NaCl solutions using various electrochemical techniques. Results showed remarkable activation of the tested MSMA toward pitting corrosion upon alloying it with Al. XPS examination confirmed the activation influence of alloyed Al. It proved that the presence of Al in the alloy's matrix weakens...
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Changes in enzymatic activity of fish and slaughter animals meat after high pressure treatment at subzero temperatures
PublikacjaThe aim of this study was to determine changes in the activity of proteolytic enzymes and transglutaminase of fish and mammal meat after pressurization at subzero temperatures. The activity was measured at the optimal pHs determined for enzymes from particular types of tested meat. It was found that increasing the pressure in the range of 60–193 MPa, did not change significantly the activity of acidic proteases of cod flesh, while...
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Standard and modified falling mass impact tests on preplaced aggregatefibrous concrete and slurry infiltrated fibrous concrete
PublikacjaAlthough several studies have been conducted to evaluate the impact response of concrete using theAmerican Concrete Institute (ACI) 544-2R falling mass impact test, the variations in test results are themain drawback of this testing method. This study aims to reduce the variations in experimental impacttest results by introducing two simple test setup modifications; (1) using coarse or fine aggregate bed-ding as an alternative...
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Analysis of magnetic field distribution inside ferromagnetic thin shells during degaussing process
PublikacjaAnalysis of the demagnetization of a large ferromagnetic object like a ship, was conducted. The approximate mathematical model in the form of a long cylindrical shell of constant magnetic permeability was applied. The discrete degaussing winding was assumed and the current density and magnetic flux density distribution in the ferromagnetic shell wall were determined. Based on the frequential and temporal analysis the recommended...
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Preparation and characterization of rigid polyurethane-polyglycerolnanocomposite foams
PublikacjaThis work reports on the preparation of polyurethane-polyisocyanurate (PUR-PIR) foams containing different polyglycerols and layered silicate nanoclays. The rigid polyurethane foams were obtained in a laboratory scale, in a single step method, from a two-component system with a NCO to OH groups ratio equal to two. The reaction mixture consisted of the proper amounts of a commercial oligoetherpolyol, polyglycerol, catalysts, water,...
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Robust procedure for flow coefficient calculation. W: Recent advances in simulation, computational methods and soft computing. Ed. W. Nikos, E. Ma-torakis. New York: WSEAS Press**2002 s. 152-155, 5 rys. bibliogr. 7 poz. Krzepka procedura obliczania współczynnika przepływu.
PublikacjaW pracy przedstawiono efektywne i szybkie metody obliczania współczynnikaprzepływu powietrza na podstawie znanych: stosunku ciśnień statycznych i oporności dźwiekowej (patrz norma ISO6358).
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NMR dispersion studies of poly(ethylene oxide)/sodium montmorillonitenanocomposites
PublikacjaPraca prezentuje wyniki badań dotyczące struktury nanokompozytów opartych na matrycy poli(tlenku etylenu) zawierającej montmorylonit sodowy. Układy zawierające PEO/MMT scharakteryzowano metodami NMR (Fast Field Cycling NMR), DSC oraz XRD.
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Mechanical, structural and diffusion studies of hydrogel polyurethane nanocomposites containing modified montmorillonite
PublikacjaW pracy zaprezentowano wyniki badań hydrożeli poliuretanowych zawierających poli(tlenek etylenu) oraz montmorylonit. Otrzymane układy scharakteryzowano z użyciem technik XRD, DMA, badań mechanicznych oraz wyznaczono chłonność wody i parametry dyfuzji.
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Linear impedance of strontium–borate glass measured with impedance spectroscopy method at high temperature region
Dane BadawczeThe linear electrcial properties of strontium–borate glass was measured by impedance spectroscopy method.
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Trwałość spawanych instalacji wodnych wykonanych z nierdzewnych stali austenitycznych
PublikacjaW artykule przedstawiono dwa przypadki przedwczesnych uszkodzeń spawanych instalacji wodnych wykonanych ze stali odpornych na korozję. W celu ustalenia przyczyn uszkodzenia instalacji przeprowadzono badania metalograficzne, makro - i mikroskopowe oraz mikroanalizę składu chemicznego EDS na próbkach pobranych z reprezentatywnych miejsc. Wykazano, że głównymi przyczynami awarii rurociągów wody pitnej były niezgodności spawalnicze,...
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User Mobility’s Influence on System Loss in Off-Body BAN Scenarios
PublikacjaIn this paper, a measurement campaign for off-body communications in an indoor environment is investigated for a set of on-body antennas. The channel impulse response was measured with the user approaching and departing from an off-body fixed antenna using two user dynamics: standing at fixed positions and walking. The processing of the measurement data allowed to evaluate system loss statistics. Different antenna configurations...
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Mobility’s Influence on System Loss in Off-Body BAN Scenarios
PublikacjaIn this paper, a measurement campaign for off body communications in an indoor environment is investigated for a set of on-body antennas. The channel impulse response was measured with the user approaching and departing from an off-body fixed antenna using two user dynamics, standing at fixed positions and walking. The processing of the measurement data allowed to evaluate system loss statistics. Different antenna configurations...
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Analiza namagnesowania w badaniach technicznych materiałów ferromagnetycznych
PublikacjaDo elektromagnetycznych metod badań nieniszczących stali należą m.in. polowy efekt Barkhausena (HBN) oraz emisja magnetoakustyczna (EMA). Pełne zrozumienie i optymalizacja wspomnianych technik wymaga scharakteryzowania zależności między czasoprzestrzennym stanem namagnesowania obiektu a mierzonymi wielkościami fizycznymi. Potrzebne jest podjęcie badań nad ilościowym opisem stanu namagnesowania materiałów ferrytycznych dla przypadku...
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Possibility of Application of Magnetoacoustic Emission for the Assessment of Plastic Deformation Level in Ferrous Materials
PublikacjaArtykuł prezentuje wyniki badań dotyczących możliwości zastosowana emisji magnetoakustycznej (EMA) do nieniszczącej oceny stopnia deformacji plastycznej próbek poddanych jednoosiowemu rozciąganiu. Przebadane zostały cztery różne materiały: stale 13HMF, CSN12021 i P91 oraz żelazo Armco. Badania pokazały, że różne parametry magnetyczne i magnetoakustyczne badanych materiałów mogą zmieniać się w rożny sposób, jednakże zawsze obserwuje...
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Chemical hazard in glacial melt? The glacial system as a secondary source of POPs (in the Northern Hemisphere). A systematic review
PublikacjaToxicity of compounds belonging to persistent organic pollutants (POPs) iswidely known, and their re-emission from glaciers has been conclusively demonstrated. However, the harmful effects associated with such secondary emissions have yet to be thoroughly understood, especially in the spatial and temporal context, as the existing literature has a clear sampling biaswith the best recognition of sites in the European Alps. In this...
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Experimental and Numerical Investigation of Tensile and Flexural Behavior of Nanoclay Wood-Plastic Composite
PublikacjaIn this study, the effect of wood powder and nanoclay particle content on composites’ mechanical behavior made with polyethylene matrix has been investigated. The wood flour as a reinforcer made of wood powder was at levels of 30, 40, and 50 wt.%, and additional reinforcement with nanoclay at 0, 1, 3, and 5 wt.%. Furthermore, to make a composite matrix, high-density polyethylene was used at levels of 70, 60, and 50% by weight....
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Integrating Digital Twin Technology Into Large Panel System Estates Retrofit Projects
PublikacjaAs sustainability is now a standard for the proposed developments, the focus ought to be shifted towards the existing buildings and, among them, the worldwide stock of large panel system (LPS) buildings. Major upgrades and retrofits were done to some of the LPS estates in Germany and France, but a leading sustainable way must still be developed for LPS buildings in Eastern European countries, where apartments in those half‐a‐century‐old...
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Cadmium complex possessing simultaneously silanethiolato- and dithiocarbamato-ligands. A novel single-source precursor of cadmium sulfide
PublikacjaThermal decomposition of suitable coordination compounds may be used as efficient route for fabrication of semiconducting layers. A new potential CdS precursor—a cadmium complex with all-sulfur Cd-coordination sphere [Cd{l-SSi(OBut)3}(S2CNC4H8)]2 (1) —has been prepared and its properties are investigated. The complex was obtained in the reaction between dimeric bis(tri-tert-butoxysilanethiolato) cadmium(II) [Cd{SSi(OBut)3}2]2 and...
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Paweł Rościszewski dr inż.
OsobyPaweł Rościszewski received his PhD in Computer Science at Gdańsk University of Technology in 2018 based on PhD thesis entitled: "Optimization of hybrid parallel application execution in heterogeneous high performance computing systems considering execution time and power consumption". Currently, he is an Assistant Professor at the Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, Poland....
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Mieczysław Brdyś prof. dr hab. inż.
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Modelling and analysis of a synchronous generator in more electric aircraft power system using Synopsys/Saber simulator = Modelowanie i analiza generatora synchronicznego w systemie elektroenergetycznym nowoczesnego samolotu. Zastosowanie symulatora Synopsys/Saber
PublikacjaStreszczenie angielskie: A model for studying synchronous machine (SM) dynamic behaviour in more electric aircraft (MEA) power system is developed and implemented in the Synopys/Saber simulation environment. The modelling language MAST has been used to elaborate the SM model. The elaborated model exhibit a network with the same number of external terminals/ports as the real SM, and represents its behaviour in terms of the electrical...
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PLANNING FOR THE NORTH-EUROPEAN WATERFRONT CITIES
PublikacjaRedevelopment of urban waterfronts is one of the leading themes in contemporary planning practice. This issue is a subject of interest to many scholars and practitioners, associated with development of waterfront cities. In literature on this topic one can find a lot of information regarding leading examples of this process, discussion of issues and problems associated with this phenomenon as well as analysis of the results achieved....
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Effect of Processing Parameters on Strength and Corrosion Resistance of Friction Stir-Welded AA6082
PublikacjaThe friction stir welding method is increasingly attracting interest in the railway sector due to its environmental friendliness, low cost, and ease of producing high-quality joints. Using aluminum alloys reduces the weight of structures, increasing their payload and reducing fuel consumption and running costs. The following paper presents studies on the microstructure, strength, and corrosion resistance of AA6082 aluminum alloy...
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Kinetics of Intermetallic Phase Precipitation in Manual Metal Arc Welded Duplex Stainless Steels
PublikacjaThe article presents the influence of heat treatment on the kinetics of transformations in lean duplex LDX2101 steel and a weld made of standard duplex 2209 material, which was welded by manual metal arc welding. Changes in the microstructure, hardness, and magnetic phase content were analyzed after heat treatment was conducted at a temperature of 800 °C for a period ranging from 15 to 1440 min. Light and scanning microscopy, Vickers...
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Two-phase water-air flow measurement using gamma-ray absorption technique – plug flow
Dane BadawczeThe attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: plug flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded using a dedicated EC...
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Two-phase water-air flow measurement using gamma-ray absorption technique – slug flow
Dane BadawczeThe attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: slug flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded using a dedicated EC...
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Two-phase water-air flow measurement using gamma-ray absorption technique –bubble flow
Dane BadawczeThe attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: bubble flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded using a dedicated...
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Two-phase water-air flow measurement using gamma-ray absorption technique – transitional plug – bubble flow
Dane BadawczeThe attached datasets contains the measurement results of the air-water flow in a horizontal pipeline. Flow type: transitional plug – bubble flow. The data shows the pulse counts of the two radiometric sets. Each of these kits consisted of a QSA Global Am-241 gamma ray source and a Tesla SKG-1 type NaI(Tl) scintillation probe. The pulses were recorded...
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Opinia naukowo-techniczna dotycząca nośności pali wierconych fi 1500 mm wykonanych pod podpory wiaduktu C-3 (jezdnia prawa) na podstawie badań statycznych. Budowa Północnego Obejścia Krakowa w ciągu Drogi Krajowej nr 94 na odcinku Węzeł Radzikowskiego - Węzeł Modlnica.
PublikacjaOpinia dotycząca nośności pali wierconych o średnicy 1500 mm wykonanych pod podpory wiaduktu C-3 (jezdnia prawa) w ciągu Drogi Krajowej nr 94 na odcinku Węzeł Radzikowskiego - Węzeł Modlnica na podstawie badań statycznych.
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Zastosowanie logiki rozmytej w sterowaniu na przykładzie platformy mobilnejPIONEER 2CE.**2002, 176 s. 10 fot. 77 rys. 2 tab. bibliogr. 166 poz. ma- szyn. Rozprawa doktorska /9.10.2002/. P. Gdań., Wydz. Mechaniczny. Promotor: prof. dr hab. inż. E. Wittbrodt.
Publikacja.
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Optical and electrical properties of boron doped diamond thin conductive films deposited on fused silica glass substrates
PublikacjaThis paper presents boron-doped diamond (BDD) film as a conductive coating for optical and electronic purposes. Seeding and growth processes of thin diamond films on fused silica have been investigated. Growth processes of thin diamond films on fused silica were investigated at various boron doping level and methane admixture. Two step pre-treatment procedure of fused silica substrate was applied to achieve high seeding density....
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The experimental results of diesel fuel spray with marine engine injector
Dane BadawczeThe data set presents the measurement of the diesel fuel spray from with marine engine injector. The main target presents results is a study of the time course of macro parameters (spray tip penetration, spray cone angle) of fuel spray in the cylinder of marine diesel engine. The impact of ambient conditions and the geometrical parameters of the injector...
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Preparation and characterization of rigid polyurethane -polyglycerol nanocomposite foams
PublikacjaThis work reports on the preparation of polyurethane–polyisocyanurate (PUR–PIR) foams containing different polyglycerols and layered silicate nanoclays. The rigid polyurethane foams were obtained in a laboratory scale, in a single step method, from a two-component system with a NCO to OH groups ratio equal to two. The reaction mixture consisted of the proper amounts of a commercial oligoetherpolyol, polyglycerol, catalysts, water,...
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Employment and employee support policy at selected private universities in Gdańsk, Sopot and Gdynia in 2010
Dane BadawczeAssistance in the development of academic staff is mainly based on joint research with other universities, as well as on financing and organizing seminars and national conferences. The library and reading resources are also replenished. On the other hand, there are few research projects organized with foreign universities.
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Characteristics of the conductivity of polyurethane nanocomposite
PublikacjaW opracowaniu tym przedstawiono właściwości mechaniczne oraz przewodnictwo jonowe otrzymanych nanokompozytów poliuretanowych. KOmpozyty te były otrzymane przy wykorzystaniu wytłaczarki dwuślimakowej. POddano je badaniom wytrzymałościowym, spektroskopii impedancyjnej, spektroskopii w podczerwieni oraz badaniom dynamiczno - mechanicznym (DMA)
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Satish Raina prof. dr
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Piecewise continuous distribution function method in the theory of wave disturbances of inhomogeneous gas
PublikacjaUkład równań typu hydrodynamicznego dla warstwowych gazów w polu grawitacyjnym pochodzi od równania BGK metodą częściowej ciągłej funkcji dystrybucji. Otrzymany system równań uogólnia układ Naviera-Stokesa w dowolnych liczbach Knudsena.
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Energy Versus Throughput Optimisation for Machine-to-Machine Communication
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Protecting Wireless Mesh Networks Against Adverse Weather Conditions
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Network lifetime maximization in wireless mesh networks for machine-to-machine communication
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A probabilistic model estimating oil spill clean-up costs – A case study for the Gulf of Finland
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