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Multi-stage magnetic-fluid seals for operating in water - life test procedure, test stand and research results. Part II Results of life tests of multi-stage magnetic - fluid seal operating in water
PublicationThe edge criteria for magnetic-fluid seals durability research were described in previous article [24] and now the tests results are presented. The tests were made with three magnetic fluids using various magnets quantity in magnetic assemblies. If values obtained in the repeated test deviated by more than 10 % from results of the first test an additional control test was made for final characteristics. The characteristics are:...
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Health by Art: the Remedial Role of Artistic Installations in Public Space
PublicationDesigning public spaces has become one of the most relevant issues in contemporary cities thanks to their integrating and inclusionary character. Public spaces are playing a far more important role in promoting a healthy lifestyle and encouraging us to do different activities. Therefore, contemporary public spaces should enhance creativity, stimulate physical activity and influence mental health. The methodology used in the research...
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Elements of logic and epistemology
e-Learning CoursesThis course serves as an introduction to the problems of epistemology and logic.
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Electronic transition dipole moment functions of the second singlet Sigma ungerade plus and second triplet Sigma gerade plus states of the Lithium dimer
Open Research DataElectronic transition dipole moment functions (ETDMF) of the second singlet Sigma ungerade plus (2sSu+) and second triplet Sigma gerade plus (2tSg+) states have been calculated for the Lithium dimer. ETDMFs are needed in understanding processes like photodissociation, photoassociation, cooling, and trapping of molecules. The results of the four ETDMFs...
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Electronic transition dipole moment functions of the first singlet Sigma ungerade plus and first triplet Sigma gerade plus states of the Lithium dimer
Open Research DataElectronic transition dipole moment functions (ETDMF) of the first singlet Sigma ungerade plus (1sSu+) and first triplet Sigma gerade plus (1tSg+) states have been calculated for the Lithium dimer. ETDMFs are needed in understanding processes like photodissociation, photoassociation, cooling, and trapping of molecules. The results of the four ETDMFs...
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The XAS spectra of O-K edges, Fe-L edges in pristine, La-, and Nb-doped SFM in 3 states: as-prepared, reduced and reoxidized
Open Research DataThis dataset contains the normalized and exported to *.txt spectra for x-ray absorption spectroscopy. The samples analyzed were strontium ferrite molybdate based, doped with lanthanum and niobium. The powders were measured in as-prepared state (denoted in filename as AP), reduced (red) and reoxidized (reox). The filenames are written accordingly: Edge_(optional:...
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Electronic transition dipole moment functions of the third singlet Sigma ungerade plus and third triplet Sigma gerade plus states of the Lithium dimer
Open Research DataElectronic transition dipole moment functions (ETDMF) of the third singlet Sigma ungerade plus (3sSu+) and third triplet Sigma gerade plus (3tSg+) states have been calculated for the Lithium dimer. ETDMFs are needed in understanding processes like photodissociation, photoassociation, cooling, and trapping of molecules. The results of the four ETDMFs...
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Completely entangled subspaces of entanglement depth k
PublicationWe introduce a class of entangled subspaces: completely entangled subspaces of entanglement depth k (k-CESs). These are subspaces of multipartite Hilbert spaces containing only pure states with an entanglement depth of at least k. We present an efficient construction of k-CESs of any achievable dimensionality in any multipartite scenario. Further, we discuss the relation between these subspaces and unextendible product bases (UPBs)....
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Dissociation and fragmentation of furan by electron impact
PublicationDissociation and fragmentation processes that produce electronically excited atomic and molecular fragments, following electron impact excitation, have been studied in furan. The optical excitation technique has been employed over the electron incident energy range 15-95 eV. Formation of excited hydrogen atoms H(n) in the n = 4-10 states has been detected by observation of the Balmer series. The diatomic CH fragments are formed...
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Photophysics of Ru(II) Dyads Derived from Pyrenyl-Substitued Imidazo[4,5-f][1,10]phenanthroline Ligands.
PublicationThe photophysics of a series of Ru(II) dyads based on the 2-(1-pyrenyl)-1H-imidazo[4,5-f][1,10]-phenanthroline ligand was investigated. The ability of these metal complexes to intercalate DNA and induce cell death upon photoactivation makes them attractive photosensitizers for a range of photobiological applications, including photodynamic therapy. In the present study, time-resolved transient absorption and emission spectroscopy...
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Horizontal velocity field derived from EPN and ASG-EUPOS satellite data on the example of south-western part of Poland
PublicationPresently the determination of the velocity field in the global reference frame is possible by using different space techniques and dense terrestrial networks from global to local and regional scales. However, the reliability of such determinations is strongly limited by the restricted number of unmodeled effects. Some of them are periodic (atmospheric or hydrological effects), some instantaneous (natural or man-made seismicity)...
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The Efficiency and Productivity Evaluation of National Innovation Systems in Europe
PublicationPurpose: An efficient innovation system currently plays a crucial role in creating competitive prevalence, contributing to the economic growth of individual states. The innovation system is influenced by many socioeconomic factors, including in international rankings of innovativeness of economies. These classifications have some limitations. Primarily, they do not examine the efficiency, which means they do not analyze the...
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Teleportation of geometric structures in 3D
PublicationThe simplest quantum teleportation algorithms can be represented in geometric terms in spaces of dimensions 3 (for real state vectors) and 4 (for complex state vectors). The geometric representation is based on geometric-algebra coding, a geometric alternative to the tensor-product coding typical of quantum mechanics. We discuss all the elementary ingredients of the geometric version of the algorithm: geometric analogs of states...
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TIME SERIES MODELING 2023/2024
e-Learning Coursesprowadzący: assoc. prof. Ján Dvorský, PhD
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Propagation of Ship-Generated Noise in Shallow Sea
PublicationContamination 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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Sem VI_ENG_Public spaces with greenery_Design Studio
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Recenzja: Mirosław Lenart, Patavium, Pava, Padwa. Tło kulturowe pobytu Jana Kochanowskiego na terytorium Republiki Weneckiej, Instytut Badań Literackich PAN Wydawnictwo, Warszawa 2013 ("Studia Staropolskie Series Nova", t. XXXIII), ss. 257, Indeks nazwisk, il.
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Stark effect of atomic helium singlet lines
PublicationWe present experimental and theoretical investigations of the He spectral series 2S1−nQ1 (n=3÷9, Q=S,P,D,…,n−1) and 2P1−nQ1 (n=3÷9, Q=S,P,D,…,n−1) in electric fields up to 1635 kV/cm. Apart from the allowed transitions with |ΔL|=1, the transitions with |ΔL|=0,2,3,…-without field strictly forbidden-were observed. Several He patterns become similar to hydrogen patterns, which means they are nearly symmetric and show in higher fields...
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Graphical interface adaption for children to explain astronomy proportions and distances
PublicationMobile Science Center is a Polish project that seeks to bring astronomy knowledge to wider social groups through various applications. In its development it is necessary to design a graphical interface that explains a concept that is difficult to assimilate such as spatial proportions and distances. This paper develops a framework to create graphical representations that explain this learning to the target audience of children....
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A model of fuel combustion process in the marine reciprocating engine work space taking into account load and wear of crankshaft-piston assembly and the theory of semi-Markov processes
PublicationThe ar ticle analyses the operation of reciprocal internal combu stion engines, with mar ine engines u sed a s an example. The analysis takes into account types of energy conversion in the work spaces (cylinders) of these engines, loads of their crankshaft-piston assemblies, and types of fuel combustion which can take place in these spaces during engine operation. It is highlighted that the analysed time-dependent loads of marine...
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JSME INTERNATIONAL JOURNAL SERIES C-MECHANICAL SYSTEMS MACHINE ELEMENTS AND MANUFACTURING
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Journal of the Korean Society of Mathematical Education Series B-Pure and Applied Mathematics
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JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH
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News of the National Academy of Sciences of the Republic of Kazakhstan-Series of Geology and Technical Sciences
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University Politehnica of Bucharest Scientific Bulletin Series B-Chemistry and Materials Science
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Application of the Boundary Element Method for the Simulation of Two-dimensional Viscous Incompressible Flow
PublicationThe paper presents the application of an indirect variant of the boundary element method (BEM) to solve the two-dimensional steady flow of a Stokes liquid. In the BEM, a system of differential equations is transformed into integral equations. Thi smakes it possible to limit discretization to the border of the solution. Numerical discretization of the computational domain was performed with linear boundary elements, for which a...
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Asian Powers in Eu Policy
PublicationEU policy towards Japan, China, India and South Korea has evolved. This allows the separation of its three stages: before the EU, early EU and mature EU. The global ambitions of the EU, as expressed, inter alia, for the CFSP, is determined to strengthen cooperation with Asian powers, as well as strategic partnerships. The powerful attributes of the strongest Asian states are varied. On the one hand the many similarities and common...
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Hierarchical 2-step neural-based LEGO bricks detection and labeling
PublicationLEGO bricks are extremely popular and allow the creation of almost any type of construction due to multiple shapes available. LEGO building requires however proper brick arrangement, usually done by shape. With over 3700 different LEGO parts this can be troublesome. In this paper, we propose a solution for object detection and annotation on images. The solution is designed as a part of an automated LEGO bricks arrangement. The...
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Optical Spectroscopic Studies of Tetrahydrofuran Fragmentation Induced by Collisions with Dihydrogen Cations
PublicationCollisions of dihydrogen cations with tetrahydrofuran molecules have been studied. Luminescence spectra and the emission functions of the excited products at projectile energies ranging from 8 to 1000 eV have been measured using collision-induced emission spectroscopy. The recorded spectra are dominated by the atomic lines of the hydrogen Balmer series, whose intensities decrease more quickly than derived by the quantum-theoretical...
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International Series of Numerical Mathematics
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POLYMER SCIENCE SERIES B
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JOURNAL OF COMBINATORIAL THEORY SERIES A
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Valence state of Manganium in a MnCoO ceramics
Open Research DataManganium -cobalt based ceramics materials were produced by solid state reaction and sintred in a furnance in air atmosphere for 20h. Annealing temperature was 600 Celsius degree. For investigations a series of samples, with a various composition was chosen: MnCoO, Mn, Co2O and Mn2CoO. In order to determine valence states of the Mn, X-Ray photoemission...
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Microscale microbial fuel cell (MFC) batch experiment results
Open Research DataThis dataset provides the results of six different scenarios meant to assess the efficiency COD, TN, TP removal and voltage generation in microbial fuel cells (MFC).
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The dynamic performance analysis of the Micro-turbine's rotor supparted on slide and roling element bearings
PublicationThis article presents the results of investigations of dynamic characteristics of a small-dimension rotor with slide and rolling element bearings. The object of investigations was the rotor-bearing system designed for the ORC based low-power steam micro-turbine. The investigations were performed using MESWIR series programs, as well as commercial FEA software ABAQUS and MADYN 2000. The results of modal analysis of the micro-rotor...
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Architecture at the Sites of the Former Nazi Concentration Camps. Functional Changeability of Commemoration
PublicationThe monograph presents a comprehensive analysis of the architectural structures created in the former concentration camps in Europe under the SS Main Economy and Administration Office. It delves into the history of memorial site creation in these areas, emphasizing the unique characteristics of monuments dedicated to the victims of terror. Additionally, the study covers the post-war architectural transformations in these areas,...
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On weak solutions of boundary value problems within the surface elasticity of Nth order
PublicationA study of existence and uniqueness of weak solutions to boundary value problems describing an elastic body with weakly nonlocal surface elasticity is presented. The chosen model incorporates the surface strain energy as a quadratic function of the surface strain tensor and the surface deformation gradients up to Nth order. The virtual work principle, extended for higher‐order strain gradient media, serves as a basis for defining...
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Sustainable investing exchange-traded funds: US and European market
PublicationThe key aim of the paper is to examine the diffusion of the sustainable investing exchange-traded funds (ETFs) on the European and US ETFs markets, with the special focus on the market shares of sustainable investing and conventional funds. The model of diffusion of innovation (logistic growth model) is applied. Monthly data on the assets of ETFs in the time period of 2006-2017 are used. Increasing assets of sustainable investing...
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Potential energy curves of LiCs dimer
Open Research DataThis data presents potential energy curves of LiCs dimer in Hund's case (a). Calculated using Born-Oppenheimer approximation with scalar relativistic effects are included via large effective core potentials. Custom basis sets, core polarization potentials and MRCI method are used to accurately describe electron correlation. Dataset consists of 22 potential...
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Badania statyczne i dynamiczne pali wierconych. Przebudowa drogi krajowej nr 7 na obwodnicy Grójca.
PublicationPraca obejmowała wykonanie 4 opinii dotyczących nośności pali wierconych o średnicy 600 mm, 1000 mm i 1500 pod podpory obiektów w ciągu obwodnicy Grójca na podstawie badań statyczny i dynamicznych. W ramach umowy wykonano 5 obciążeń statycznych.
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Ocena rozwiązań konstrukcyjnych elementów posadowienia Mostu M-1 nad Motławą, w ciągu Południowej Obwodnicy Gdańska
PublicationPrzedmiotem opracowania jest ocena rozwiązań konstrukcyjnych oraz analiza wyników badań statycznych i testów dynamicznych nośności pali prefabrykowanych w podporach Mostu M-1 nad Motławą, w ciągu Południowej Obwodnicy Gdańska.
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Ocena rozwiązań konstrukcyjnych elementów posadowienia wiaduktów drogowych – WD nad Obwodnicą Południową Gdańska
PublicationPrzedmiotem opracowania jest ocena rozwiązań konstrukcyjnych oraz analiza wyników badań statycznych i testów dynamicznych nośności pali prefabrykowanych w podporach wiaduktów drogowych – WD nad Obwodnicą Południową Gdańska.
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OPINIA NAUKOWO-TECHNICZNA Południowa Obwodnica Gdańska Ocena rozwiązań konstrukcyjnych elementów posadowienia Estakady WE-1 w ciągu Południowej Obwodnicy Gdańska.
PublicationPrzedmiotem opracowania jest ocena rozwiązań konstrukcyjnych oraz analiza wyników badań statycznych i testów dynamicznych nośności pali prefabrykowanych w podporach Estakady WE-1.
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Droga ekspresowa S7 Koszwały - Kazimierzowo Ocena rozwiązań konstrukcyjnych elementów posadowienia obiektów inżynierskich w ciągu drogi ekspresowej S7 na odcinku Koszwały – Kazimierzowo.
PublicationPrzedmiotem opracowania jest ocena rozwiązań posadowienia obiektów inżynierskich w ciągu drogi ekspresowej S7 na odcinku Koszwały – Kazimierzowo, przedstawionych przez Transprojekt Gdański Sp. z o.o., ul. Partyzantów 72A, 80-254 Gdańsk. Weryfikacja obejmuje: 1. MA-01 – Most autostradowy 2. MA-19 – Most autostradowy 3. WA-16 – Wiadukt 4. WD-18 – Wiadukt 5. WD-24 – Wiadukt
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Południowa Obwodnica Gdańska : Ocena rozwiązań konstrukcyjnych elementów posadowienia Łącznic na węźle „Lipce” w km 3+210.00 w ciągu Południowej Obwodnicy Gdańska
PublicationPrzedmiotem opracowania jest ocena rozwiązań konstrukcyjnych oraz analiza wyników badań statycznych i testów dynamicznych nośności pali prefabrykowanych w podporach Łącznic na węźle „Lipce” w km. 3+210.00, w ciągu Południowej Obwodnicy Gdańska.
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Obliczanie fundamentów płytowo-palowych.
PublicationPrzedstawiono inżynierską metodę obliczania fundamentów płytowo-palowych. Wyniki obliczeń osiadań porównano z rzeczywistymi pomiarami osiadań dla dwóch dużych zbiorników posadowionych na fundamentach płytowo-palowych.
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Ekspertyza techniczna dotycząca przyczyn zawilgocenia ścian Katedry w Kwidzynie oraz wpływu zabudowy dwóch kwartałów mieszkalno-usługowych przy Katedrze realizowanych w latach 2010-2011 oraz 2018-2020 na stan zawilgocenia murów Katedry
PublicationPrzedmiotem opracowania jest ekspertyza dotycząca przyczyn zawilgocenia ścian Katedry pw. św. Jana Ewangelisty w Kwidzynie oraz wpływu zabudowy dwóch kwartałów mieszkalno-usługowych przy katedrze, zrealizowanych w latach 2010-2011 oraz 2018-2020 na stan zawilgocenia murów budynku katedry. Ekspertyza swoim zakresem obejmuje ocenę zawilgocenia murów oraz ścian na zewnątrz oraz wewnątrz katedry, jak również wskazuje potencjalne przyczyny...
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A convergence result for mountain pass periodic solutions of perturbed Hamiltonian systems
PublicationIn this work, we study second-order Hamiltonian systems under small perturbations. We assume that the main term of the system has a mountain pass structure, but do not suppose any condition on the perturbation. We prove the existence of a periodic solution. Moreover, we show that periodic solutions of perturbed systems converge to periodic solutions of the unperturbed systems if the perturbation tends to zero. The assumption on...
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Rozwiązania konstrukcyjne posadowienia przepustów drogowych.
PublicationPrzedstawiono przykładowe rozwiązania posadowień współczesnych przepustów drogowych. Skupiono się na posadowieniu pośrednim na palach.
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Opinia naukowo-techniczna dotycząca nośności pali wierconych fi 1500 mm wykonanych pod podpory wiaduktu C-4 na podstawie badań statycznych. Budowa Północnego Obejścia Krakowa w ciągu Drogi Krajowej nr 94 na odcinku Węzeł Radzikowskiego - Węzeł Modlnica.
PublicationOpinia dotycząca nośności pali wierconych o średnicy 1500 mm wykonanych pod podpory wiaduktu C-4 w ciągu Drogi Krajowej nr 94 na odcinku Węzeł Radzikowskiego - Węzeł Modlnica na podstawie próbnych obciążeń statycznych.