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Photonics measurement techniques
Kursy Onlinestart zajęć 10 listopada terminy zajęć 10.11, 17.11, 24.11, 1.12 --> w tych wszystkich dniach godz. 13-14 w sali EA07 i 14-15 w sali EA20 terminy zajęć 18.11, 25.11, 2.12 --> w tych wszystkich dniach godz. 13-15 w sali NE232
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The site at the cape Zidine in Lopar in the context of coastal residential and commercial complexes of Rab Island
PublikacjaSince 2013, the “Archaeological topography of the island of Rab” project has approached the island’s archaeology holistically and interdisciplinary, tackling all periods and archaeological evidence present on the island. Nevertheless, mostly due to a large amount of new data, a significant segment of research is devoted to Roman residential and production complexes, located either in the island’s fields or along the coast. Thus,...
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Underwater robot actuated by shape memory alloy wires
PublikacjaW pracy przedstawiono koncepcję projektu robota podwodnego z napędem wykorzystującym materiały SMA ze stopów z pamięcią kształtu. Rozpatrywany układ ma budowę modułową złożoną z segmentów na podobieństwo do anatomicznej budowy dżdżownicy. Pojedyńczy segment składa się z dwóch okrągłych tarcz, pomiędzy którymi umieszczono balon wypełniony wodą. Wielkość balonu jest dopasowana w taki sposób do rozmiarów tarcz oraz długości sprężyn...
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Novel bio-based thermoplastic poly(ether-urethane)s. Correlations between the structure, processing and properties
PublikacjaThe main purpose of this work was to analyze the effect of the number of unreacted isocyanate groups and the [NCO]/[OH] molar ratio during the chain extension of a prepolymer during the polymerization process on the structure, processing and selected properties of thermoplastic poly(ether-urethane)s. Three series of novel thermoplastic polyurethanes were obtained via a prepolymer route. Three prepolymers were synthesized from diisocyanate...
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Adaptive traffic optimization using Variable Speed Limits; Adaptacyjna optymalizacja ruchu drogowego przy pomocy zmiennych ograniczeń prędkości
PublikacjaVariable speed limits (VSL) is an intelligent transportation system (ITS) solution for traffic management. The speed limits can be changed dynamically in order to adapt to traffic, weather, or road surface conditions. This paper presents an approach for such an adaptive traffic control where the primary goal is to ensure traffic safety and efficiency of the traffic control system (fast response to dynamically changing traffic,...
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Towards Precise Visual Navigation and Direct Georeferencing for MAV Using ORB-SLAM2
PublikacjaA low accuracy of positioning using Global Navigation Satellite System (GNSS) are not meet geodetic requirements for direct images georeferencing for Unmanned Aerial Vehicle (UAV) photogrammetry. A majority of UAVs are equipped with a monocular or stereo non-metric cameras for either visual data gathering or live video feed for operator. A cheap positioning techniques used on board commercial UAVs are not that precise as geodetic...
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Islamskie finanse i bankowość: czynniki rozwoju oraz typowe ryzyka.
PublikacjaCelem artykułu jest przybliżenie oraz wyjaśnienie podłoża rozwoju i ekspansji islamskich finansów i bankowości. Artykuł można podzielić na dwie główne części. W pierwszej (w 2. rozdziale) dokonano wyjaśnienia źródeł pochodzenia finansów islamskich; a także wskazano czynniki mające wpływ na powstanie pierwszych zorganizowanych struktur oraz dalszą ekspansję finansów i bankowości islamskiej. Następnie w drugiej części artykułu (w...
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Zewnętrzna stolarka drzwiowa Gdańska-Wrzeszcza na przełomie XIX i XX wieku
PublikacjaDzielnica Gdańska Wrzeszcz ukształtowała się na przełomie XIX i XX w. Liczba mieszkańców Wrzeszcza wzrosła z około 2500 w 1884 r. do około 35 000 w 1914 r. W tym czasie powstało kilkaset jednorodzinnych i wielorodzinnych budynków mieszkalnych oraz najważniejsze obiekty użyteczności publicznej, jak zespół Politechniki, szkoły, szpitale i kościoły. Wrzeszcz – w odróżnieniu od śródmieścia Gdańska – w niewielkim tylko stopniu ucierpiał...
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Effect of slightly crosslinked butyl rubber and compatibilizer additives on properties of recycled polyethylene-ground tire rubber blends
PublikacjaSlightly crosslinked butyl rubber, (PhMe2CO)(2) and maleic anhydride were added as compatibilizer to the recycled polyethylene-ground tire rubber blends. Recycled postprodn. and postconsumer (shredded bottle caps) polyethylene wastes were used. The thermoplastic compns. were studied for statistic and dynamic mech. properties and morphol. The addn. of butyl rubber resulted in a decrease of the tensile strength and hardness of the...
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Mechanism of nitromethane liquid membrane oscillator containing sodium oleate
PublikacjaBadano osylacyjne zachowanie oscylatora z anionowym surfaktantem na poziomie molekularnym. Zastosowano przybliżenie oparte na zasadach kinektyki chemicznej. Membranę ciekłą stanowił nitrometan z 2,2' bipirydyną. Faza wodna domowa zawierała oleinian sodu i butanol, a faza wodna akceptora chlorek sodu. Ustalono, że oscylacje zachodzą na granicy fazy akceptorowej i membrany ciekłej. Zaproponowano 3-etapowy mechanizm oscylacji i potwierdzono...
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On the new possibility of applying oscillating liquid membrane systems for melecular recognition substances responsible for taste.
PublikacjaSugerowano wczesniej, że układy osylacyjne z membraną ciekłą mogą być uzyte do opracowania sensora smaku. zbadano wpływ substancji odpowiedzialnych za smak należacych do czterech klas samku na charakterystyki osylacyjne oscylatora z mambrana ciekłą i kationowym surfaktantem chlorkiem benzylodimetylotetradecyloamonionowym. Wykazano,że niezaleznie od natury rozpuszczalnika organicznego w membranie ciekłej charkterystyki oscylacyjne...
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Chemical kinetic approach to the mechanism of coupled transport of Cu(II) Ions through bulk liquid membranes
PublikacjaW celu lepszego zrozumienia transportu jonów miedzi przez ciekłe membrany zaproponowano schemat kinetyczny na poziomie molekularnym oparty o dwie nastepujące po sobie reakcje odwracalne. Zasegurowano uzywając membrany ciekłej o wysokiej polarności i polaryzowalności oraz szybkiego mieszania mozna zwiekszyć wydajnośc transportu.
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Badania oscylatora z membraną ciekłą zawierającego kationowy surfaktant: bromek heksadecylotrimetyloamonowy
PublikacjaZbadano wpływ stężenia surfaktanta (bromek heksadecylotrimetyloamonowy) w fazie donorowej, rodzaju rozpuszczalnika organicznego w membranie oraz objętości membrany na krzywe oscylacyjne różnicy potencjałów elektrochemicznych między fazami wodnymi oscylatora z membraną ciekłą. Wykazano, że obserwowane oscylacje związane są ze zmianami stężeń związków jonowych na granicy membrana/wodna faza akceptorowa.
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On the Mechanism of Coupled Transport of Cu(II) Ions Through Bulk Liquid Membranes.
PublikacjaTransport jonów Cu(II) przez ciekłe membrany za pomocą 5 - nonylosalicyloaldoksimu jako przenośnika wymaga obecności kompleksu o stosunku metalu do przenośnika 1:2. Zbadano dwie możliwości mechanizmu jego tworzenia. Roztrzygnięcie, który mechanizm jest prawidłowy nie jest możliwe w oparciu jedynie o kinteykę chemiczną.
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New bulk liquid membrane oscillator composed of two coupled oscillators with diffusion-mediated physical coupling
PublikacjaA new type of bulk liquid membrane system, which represents the first example of a bulk liquid membrane oscillator characterised by the presence of two coupled oscillators, is described. When the benzyldimethyltetradecylammonium chloride surfactant undergoes an oscillatory mass transfer through a nitromethane liquid membrane, a new liquid layer (phase X) appears between the membrane and the acceptor phase. Kinetic analysis provides...
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Mollecular mechanism and chemicl kinetic description of nitrobenzene liquid membrane oscillator containing benzyldimethyltetradecylammonium chloride surfactant
PublikacjaBadano oscylacje róznicy potencjału między fazami wodnymi oscylatora z nitrobenzenową membraną ciekłą zawierającego chlorek benzylodimetylotetradecyloamoniowy. Opisano chemię fizyczną tego oscylatora oraz omówiono rolę efektów hydrodynamicznych w powstawaniu oscylacji. Zaproponowano nowy mechanizm oparty na transferze masy par jonowych. Oscylacje są generowane na granicy faza akceptowa/ membrana ciekła i są spowodowane autokatalityczną...
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Nitrogen transformation during fermentation in agricultural biogas plants
PublikacjaThe aim of the present study was to determine changes in the organic nitrogen fraction in the liquid fraction of the digestate during laboratory tests of mono- and co-digestion. Three agricultural wastes were tested: distillery residue, cattle slurry and corn silage. In the mono-fermentation tests, the initial total nitrogen concentration depended on the feedstock used. As a result of the hydrolysis and ammonification of the organic...
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Natural convective heat transfer from isothermal cuboids
PublikacjaThe paper presents results of theoretical and experimental investigations of the convective heat transfer from isothermal cuboid. The analytical solution was performed taking into account complete boundary layer length and the manner of its propagation around isothermal cuboid. It arises at horizontal bottom surface and grows on vertical lateral surface of the block. After changing its direction, the boundary layer occurs above...
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Mobile inventory system for hydrotechnical objects using data from multiple sensors operating simultaneously
PublikacjaThe knowledge of the location, shape and other characteristics of spatial objects in the coastal areas has a significant impact on the functioning of ports, shipyards, and other water-infrastructure facilities, both offshore and inland. Therefore, measurements are taken of the underwater part of the waterside zone, which means the bottom of water and other underwater objects (e.g. breakwaters, docks, etc.), and objects above the...
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Impact of aeration conditions on the removal of low concentrations of nitrogen in a tertiary partially aerated biological filter
PublikacjaA submerged biological aerated filter (BAF) partially aerated was used to study the removal of low concentrations of ammonia nitrogen (0.3 g N/m3 to 30.5 g N/m3) typically found in nutrient enriched river and lake waters, and treated effluents. Four series of experiments were performed with a synthetic wastewater at ammonia loading rates between 6 g N/m3 d and 903 g N/m3 d and C/N ratios from 2 to 20. The results showed that ammonia...
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Human verbal memory encoding is hierarchically distributed in a continuous processing stream
PublikacjaProcessing of memory is supported by coordinated activity in a network of sensory, association, and motor brain regions. It remains a major challenge to determine where memory is encoded for later retrieval. Here we used direct intracranial brain recordings from epilepsy patients performing free recall tasks to determine the temporal pattern and anatomical distribution of verbal memory encoding across the entire human cortex. High...
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Behaviour of deformed steel columns exposed to impact load during earthquakes: numerical analysis
PublikacjaIt has been observed during earthquakes that the so called soft-storey failure of an upper floor of a building leads to considerable vertical impact load acting on structural members of the lower storeys. The aim of this paper is to investigate numerically the behaviour of horizontally deformed columns (deformation as the result of earthquake loading) that are additionally subjected to vertical impact load. In the first stage of...
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Investigation on the Sources and Impact of Trace Elements in the Annual Snowpack and the Firn in the Hansbreen (Southwest Spitsbergen)
PublikacjaWe present a thorough evaluation of the water soluble fraction of the trace element composition (Ca, Sr, Mg, Na, K, Li, B, Rb, U, Ni, Co, As, Cs, Cd, Mo, Se, Eu, Ba, V, Ge, Ga, Cr, Cr, P, Ti, Mn, Zr, Ce, Zn, Fe, Gd, Y, Pb, Bi, Yb, Al, Nb, Er, Nd, Dy, Sm, Ho, Th, La, Lu, Tm, Pr, Tb, Fe, In, Tl) and their fluxes in the annual snowpack and the firn of the Hansbreen (a tidewater glacier terminating in the Hornsund fjord, southwest...
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Greencoin as an AI-Based Solution Shaping Climate Awareness.
PublikacjaOur research aim was to define possible AI-based solutions to be embedded in the Green- coin project, designed as a supportive tool for smart cities to achieve climate neutrality. We used Kamrowska-Załuska’s approach for evaluating AI-based solutions’ potential in urban planning. We narrowed down the research to the educational and economic aspects of smart cities. Furthermore, we used a systematic literature review. We propose...
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Polityka regionalna w aktywizacji obszarów peryferyjnych - wybrane problemy
PublikacjaZa obszary peryferyjne uznano przestrzeń kraju poza obszarami lepiej rozwiniętymi, głównie metropolitalnymi oraz obszarami aktywizowanymi przez Białystok, Kielce i Rzeszów. Niedostatek popytu wewnętrznego uznano za główne ograniczenie rozwoju sektora endogenicznego. Obszary o braku czynników rozwoju sektora egzogenicznego uznano za problemowe, wymagające aktywizującej interwencji w ramach polityki interregionalnej. Autor analizuje...
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Basic sensitivity analysis of a telecommunication tower complementing standard reinforcement design process
PublikacjaThis paper presents straightforward sensitivity assessment of a telecommunication tower. The analysis is set toidentify the elements of the tower which may be reinforced with the greatest structural advantage. As current expertopin ions on structural redesign of similar structures due to a planned addition of extra loads are mainly based ondeterministic computations or engineering intuition,...
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Simulations of hydro-fracking in rock mass at meso-scale using fully coupled DEM/CFD approach
PublikacjaThe paper deals with two-dimensional (2D) numerical modelling of hydro-fracking (hydraulic fracturing) in rocks at the meso-scale. A numerical model was developed to characterize the properties of fluid-driven fractures in rocks by combining the discrete element method (DEM) with computational fluid dynamics (CFD). The mechanical behaviour of the rock matrix was simulated with DEM and the behaviour of the fracturing fluid flow...
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Połączenie G3 dwóch kierunków prostych z użyciem krzywej NURBS
PublikacjaW artykule przedstawiono nową metodę projektowania układu geometrycznego toru kolejowego opartą na zastosowaniu krzywych NURBS (Non-Uniform Rational B-Spline) do opisu krzywizny. Punkty kontrolne krzywej NURBS wyznaczane są w procesie optymalizacji za pomocą algorytmu genetycznego. Jako kryterium optymalizacji przyjęto minimalizację oddziaływań dynamicznych występujących w układzie tor-pojazd przy spełnieniu warunków geometrycznych...
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The structure of lead-silicate glasses and nanocomposites doped with iron oxide
Dane BadawczeThe structure of iron-doped glasses and glass-ceramics were studied. Samples has the composition of 50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All samples were prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass plate preheated to 573...
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The morphology of lead-silicate glasses and nanocomposites doped with iron oxide
Dane BadawczeThe topography of iron-doped glasses and glass-ceramics were studied. Samples has the composition of 50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass plate preheated to 573...
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Propagation of Ship-Generated Noise in Shallow Sea
PublikacjaContamination of sea environment by noise and any energy radiated to water constitutes today a problem to which more and more attention is paid, in view, a.o., of consequences of an impact of these factors onto marine fauna. European Union has introduced a directive by which EU countries are made responsible to undertake efforts aimed at reaching a good envirenmental status of European seas by 2020. A main source of underwater...
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'24 TEORIA I PROJEKTOWANIE URBANISTYCZNE s.4
Kursy OnlineArchitektura s.4 TEORIA URBANISTYKI I PROJEKTOWANIE URBANISTYCZNE 2Kształtowanie kompleksowego środowiska zamieszkiwania Kurs przeznaczony jest dla studentów 4 semestru studiów inżynierskich na kierunku Architektura
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The structure of lead-silicate glasses containing nanocrystallites of iron oxides
Dane BadawczeThe structure of iron-doped glasses and glass-ceramics were studied. Samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All samples were prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass...
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The morphology of lead-silicate glasses containing nanocrystallites of iron oxides
Dane BadawczeThe topography of iron-doped glasses and glass-ceramics were studied. Samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass...
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The fertility rate (TFR) in Poland in the period 1955-2017
Dane BadawczeThe fertility rate has dropped 2.5 times over the last 60 years. Immediately after the baby boom in the first half of the 1980s, many generations of women born in the second half of the 1970s, an increase in the number of births from the mid-1990s, were expected as a result of entering the age of the highest fertility age in Poland. which lasted until...
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Rectovesical ligament in didelphyc uterus: how frequent is it and what does it mean?
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Generalized access control in hierarchical computer network
PublikacjaThe paper presents the design of the security layer for a distributed system located in the multizone hierarchical computer network. Depending on the zone from which a client’s request comes to the system and the type of the request, it will be either authorized or rejected. There is one common layer for the access to all the business services and interactions between them. Unlike the commonly used RBAC model, this system enforces...
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Przedmiot wyrównawczy (Analityk danych, semestr zimowy 2022/2023)
Kursy Onlinećwiczenia mgr inż. Michał Krzemiński Specjalność: Analityk danych, II stopnia, Matematyka, WFTiMS, stacjonarne, 2022/2023 - zimowy (obecnie sem. 1)
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Methyl 3-[(1,1-dioxo-1λ<sup>6</sup>,2-benzothiazol- 3-yl)amino]-5-nitrothiophene-2-carboxylate
PublikacjaTytułowy związek został otrzymany przez nitrowanie odpowiedniej pochodnej tiofenu. Wyznaczono i opisano jego strukturę rentgenowską w ciele stałym. Związek wykazuje pewne właściwości inhibicyjne w stosunku do enzymu ludzkiej elastazy leukocytowej (HLE).
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Comparison of Selected Neural Network Models Used for Automatic Liver Tumor Segmentation
PublikacjaAutomatic and accurate segmentation of liver tumors is crucial for the diagnosis and treatment of hepatocellular carcinoma or metastases. However, the task remains challenging due to imprecise boundaries and significant variations in the shape, size, and location of tumors. The present study focuses on tumor segmentation as a more critical aspect from a medical perspective, compared to liver parenchyma segmentation, which is the...
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Cast polyurethanes obtained from reactive recovered polyol intermediates via crude glycerine decomposition process
PublikacjaIn this work, the possibility of applying intermediates from polyurethane waste recycling in polyurethane synthesis was presented. Polyurethanes were synthesised in a two-step method using a mixture of petrochemical polyol and glycerolysate, used as a reactive component, 4,4-diphenylmethane diisocyanate (MDI) and 1,4-buthanediol (BD). Glycerolysates were produced during decomposition of polyurethane elastomer by crude glycerine...
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Design aspects of a low-cost prosthetic arm for people with severe movement disabilities
PublikacjaIn this paper the main aspects of mechanical design behind the low-cost prosthetic arm are presented. The fundamentals of a proper design has been defined to obtain functional 3D printed 5 degree of freedom (DOF) prosthesis. The designed prosthetic arm is a part of the hybrid interface with eye tracking movement control. The main focus was to create affordable but usable prosthesis which corresponds in size and weights to the human...
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Stabilizing forces in trapezoidal sheeting used as a part of the bracing system
PublikacjaIn the analysis of bracing systems imperfections of the restrained elements should be considered. According to EC3 this effect can be calculated by means of the equivalent stabilizing force, which replaces (in simplified way) initial bow imperfection of the braced element. However, alternative suggestions of the equivalent stabilizing force calculations can be also found in the literature. In this paper segment of the pitched roof...
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Stabilizing forces in trapezoidal sheeting used as a part of the bracing system
PublikacjaIn the analysis of bracing systems imperfections of the restrained elements should be considered. According to EC3 this effect can be calculated by means of the equivalent stabilizing force, which replaces (in simplified way) initial bow imperfection of the braced element. However, alternative suggestions of the equivalent stabilizing force calculations can be also found in the literature. In this paper segment of the pitched roof...
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Konsultacje 2022/23 ZIMA - KKI - Kowalski Dariusz
Kursy OnlineKurs przeznaczony do prowadzenia wszelkiego rodzaju konsultacji / konsultacji dyplomowych / spotkań / zebrań projektowych itp. odbywających się za pomocą komunikacji elektronicznej z wykorzystaniem możliwości dostępnych w ramach PG. Kurs dostępny w godzinach konsultacji planowych dla bieżącej komunikacji ze studentami oraz dla umówionych spotkań z dyplomantami w semestrze zimowym 2022/2023. dr inż. Kowalski Dariusz Katedra...
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Morse decompositions for a two-dimensional discrete neuron model (low resolution)
Dane BadawczeThis dataset contains selected results of rigorous numerical computations conducted in the framework of the research described in the paper “Topological-numerical analysis of a two-dimensional discrete neuron model” by Paweł Pilarczyk, Justyna Signerska-Rynkowska and Grzegorz Graff. A preprint of this paper is available at https://doi.org/10.48550/arXiv.2209.03443.
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Morse decompositions for a two-dimensional discrete neuron model (limited range)
Dane BadawczeThis dataset contains selected results of rigorous numerical computations conducted in the framework of the research described in the paper “Topological-numerical analysis of a two-dimensional discrete neuron model” by Paweł Pilarczyk, Justyna Signerska-Rynkowska and Grzegorz Graff. A preprint of this paper is available at https://doi.org/10.48550/arXiv.2209.03443.
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Morse decompositions for a two-dimensional discrete neuron model (full range)
Dane BadawczeThis dataset contains selected results of rigorous numerical computations conducted in the framework of the research described in the paper “Topological-numerical analysis of a two-dimensional discrete neuron model” by Paweł Pilarczyk, Justyna Signerska-Rynkowska and Grzegorz Graff. A preprint of this paper is available at https://doi.org/10.48550/arXiv.2209.03443.
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Impact of Work on the Well-Being of Police Officers and Firefighters
PublikacjaWork is one of the most important spheres of human functioning and has a significant impact on individual overall well-being. The purpose of this study is to assess the positive and negative impact of the work of police officers and firefighters on their well-being in different spheres of life. In particular, the study examines the relationship between the type of occupation and the elements that generate a feeling of well-being,...
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Brain circuit imprints of developmental 17α-Ethinylestradiol exposure in guppies (Poecilia reticulata): Persistent effects on anxiety but not on reproductive behaviour
PublikacjaThe effects of endocrine disruptors may vary with the timing of exposure. The physiological implications of adult exposure are present during and shortly after exposure while embryonic exposure can imprint changes manifested in adulthood. In this study, guppy (Poecilia reticulata) embryos were exposed to 2 and 20 ng/L of 17α-ethinylestradiol during development via the mother and reared in clean water from gestation until 6 months...