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Search results for: GEOMETRIC LAY-OUT
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Detection of Cystic Fibrosis Symptoms Based on X-Ray Images Using Machine Learning- Pilot Study
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Gazeta Uniwersytecka. Pismo Społeczności Akademickiej Uniwersytetu Gdańskiego: wydanie specjalne: 100 lat niepodległości Finlandii
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The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders
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Potential of bacteriocins from lab to improve microbial quality of dry-cured and fermented meat products [pdf]
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Plasma Amino Acids May Improve Prediction Accuracy of Cerebral Vasospasm after Aneurysmal Subarachnoid Haemorrhage
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Zinc and the Innovative Zinc-α2-Glycoprotein Adipokine Play an Important Role in Lipid Metabolism: A Critical Review
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A TPC Detector for Studying Photo-nuclear Reactions at Astrophysical Energies with Gamma-ray Beams at ELI--NP
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Inelastic X-Ray Scattering Studies of Phonon Dispersion in PbTe and (Pb,Cd)Te Solid Solution
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Diagnostics of the plasma parameters based on the K X-ray line positions for various 4d and 4f metals
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Occlusion phenomenon of redox probe by protein as a way of voltammetric detection of non-electroactive C-reactive protein
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Do we know more about hypertension in Poland after the May Measurement Month 2017?—Europe
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Synthesis, characteristics and mechanistic insight into the clays and clay minerals-biochar surface interactions for contaminants removal-A review
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Geochemical Changes in Aquatic Environment Caused by Deep Dredging - A Case Study: The Puck Bay (Baltic Sea)
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Mixing of excimer and exciplex emission: A new way to improve white light emitting organic electrophosphorescent diodes
PublicationW pracy opisano konstrukcję wydajnych diod elektrofosforescencyjnych emitujących światło białe. Emisja diod pochodzi od trypletowych monomerów PtL2Cl, trypletowych ekscymerów (PtL2Cl:PtL2Cl) i trypletowych ekscypleksów m-MTDATA (donor elektronu):PtL2Cl (akceptor elektronu), gdzie PtL2Cl oznacza organiczny kompleks platyny (II), a m-MTDATA - dendrymer aminowy. Kwantowa wydajność EL diody wynosi 6.5% fot./e. Współrzędne charakteryzujące...
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On efficient collaboration between lawyers and software engineers when transforming legal regulations to law-related requirements
PublicationAby zapewnić zgodność systemów informatycznych z prawem, konieczna jest współpraca pomiędzy prawnikami a informatykami. W referacie przedstawiono opis problemów dotyczących przekształcania przepisów prawa na wymagania względem systemu z perspektywy prawnika i informatyka. Zaprezentowano również ideę przestrzeni wspólnych informacji umożliwiających efektywną współpracę oraz proces, który integruje analizę wymagań wynikających z...
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Transformation of the countryside into an open-air museum as a way to rescue its spatial layot and to improve the quality of life
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Analysis of the bulk solid flow during gravitational silo emptying using X-ray and ECT tomography
PublicationW pracy przedstawiono wyniki pomiarów zmian koncentracji piasku bezkohezyjnego zachodzących w prostokątnym modelu silosu opróżnianym grawitacyjnie. Pomiary wykonano z zastosowaniem kontynualnego promieniowania rentgenowskiego oraz z użyciem tomografii pojemnościowej. Badania wykonano dla zróżnicowanego zagęszczenia początkowego piasku oraz różnego stopnia szorstkości ścian. Szczególny nacisk położono na zachowanie sie materiału...
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Accelerator Technology and High Energy Physics Experiments, Photonics Applications and Web Engineering, Wilga, May 2012
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FPGA-based LLRF control module for x-ray free electron laser and TESLA feedback system
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Come and say what you think: reducing employees’ self-censorship through procedural and interpersonal justice
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A high-accuracy complex-phase method of simulating X-ray propagation through a multi-lens system
PublicationThe propagation of X-ray waves through an optical system consisting of many X-ray refractive lenses is considered. For solving the problem for an electromagnetic wave, a finite-difference method is applied. The error of simulation is analytically estimated and investigated. It was found that a very detailed difference grid is required for reliable and accurate calculations of the propagation of X-ray waves through a multi-lens...
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Computational analysis of power-law fluids for convective heat transfer in permeable enclosures using Darcy effects
PublicationNatural convection is a complex environmental phenomenon that typically occurs in engineering settings in porous structures. Shear thinning or shear thickening fuids are characteristics of power-law fuids, which are non-Newtonian in nature and fnd wide-ranging uses in various industrial processes. Non-Newtonian fuid fow in porous media is a difcult problem with important consequences for energy systems and heat transfer. In this...
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A Simple Replica Method as the Way to Obtain a Morphologically and Mechanically Bone-like Iron-Based Biodegradable Material
PublicationPorous iron-based scaffolds were prepared by the simple replica method using polyurethane foam as a template and applying the sintering process in a tube furnace. Their surface morphology was characterized using scanning electron microscopy (SEM) and phase homogeneity was confirmed using X-ray diffraction (XRD). Corrosion behavior was determined using immersion and potentiodynamic polarization methods in phosphate buffered saline...
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Investigation of Liquid–Gas Flow in a Horizontal Pipeline Using Gamma-Ray Technique and Modified Cross-Correlation
PublicationThis article presents the application of the radioisotope absorption method in the study of two-phase water–air flow in a horizontal pipe. The measurement principle and the test stand are briefly described. The main part of the article presents the signal analysis methods applied to data obtained from scintillation detectors. Because these signals are mostly stochastic waveforms, they were analyzed statistically using the cross-correlation...
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Bortezomib induces methylation changes in neuroblastoma cells that appear to play a significant role in resistance development to this compound
PublicationThe anticancer activity of bortezomib (BTZ) has been increasingly studied in a number of indications and promising results for the use of this treatment have been shown in neuroblastoma. As BTZ treatment is usually administered in cycles, the development of resistance and side effects in patients undergoing therapy with BTZ remains a major challenge for the clinical usage of this compound. Common resistance development also means...
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Electromagnetic Field Associated With Dermoscope Magnets May Affect the Safety of Cardiac Implanted Electronic Devices Patients
PublicationDermoscopy is currently used as an auxiliary tool in general dermatology. Since some commercially available dermoscopes have built-in magnets, electromagnetic interference (EMI) may occur when examining cardiac implantable electronic devices (CIED) patients. The aim of the study was to create maps of electromagnetic fields defining a safe distance in terms of EMI. The study was performed in laboratory conditions using measuring...
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Towards a multi-basin SWAT model for the migration of nutrients and pesticides to Puck Bay (Southern Baltic Sea)
PublicationBackground This paper analyzes the impact of changes in fertilization on crop yields and the runoff of nutrients from a small agricultural catchment (176 km2) to a shallow bay, using the SWAT model. Puck Bay is part of the Gulf of Gdansk and belongs to the Baltic Sea. The whole area of Puck Bay (364 km2) is protected (Natura 2000) yet despite this it suffers from eutrophication problems due to the relatively minimal depth and...
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EVALUATION OF LIQUID-GAS FLOW IN PIPELINE USING GAMMA-RAY ABSORPTION TECHNIQUE AND ADVANCED SIGNAL PROCESSING
PublicationLiquid-gas flows in pipelines appear in many industrial processes, e.g. in the nuclear, mining, and oil industry. The gamma-absorption technique is one of the methods that can be successfully applied to study such flows. This paper presents the use of thegamma-absorption method to determine the water-air flow parameters in a horizontal pipeline. Three flow types were studied in this work: plug, transitional plug-bubble,...
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The innovative exploitation of Brassica vegetables in the production of quality food for health. From lab bench to field and fork.
PublicationThe specific chemical composition of vegetables belonging to Brassicaceace , as regard both nutrients and non-nutrients, renders them particularly suitable for the health food production chain. The ability of these plants to accumulate heavy metals may be utilised for phytoremediation of arable soils, but also as a vehicle to fortify foods in micronutriens such as selenium. The bioactive organosulfur compounds, especially glucosinolates...
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Morphology and mechanical properties of polyamide/clay nanocomposites toughened with NBR/NBR-g-GMA: A comparative study
PublicationThis work highlights the importance of nanoclay dispersion state in the nanocomposites containing polyamide 6 (PA6), nanoclay and elastomers as well as clay localization at the interface of thermoplastic/elastomer. Morphology and mechanical properties of a series of nanocomposites containing acrylonitrile butadiene rubber (NBR), glycidyl methacrylate-grafted NBR (NBR-g-GMA), and combined NBR/NBR-g-GMA were compared and discussed...
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Zastosowanie sprzętu pomiarowego firmy LAB-EL do oceny działania systemu wentylacyjnego w mieszkaniach
PublicationCelem prowadzonych badań była ocena działania systemu wentylacyjnego oraz termoizolacyjności ścian zewnętrznych. Ocena została wykonana w oparciu o pomiary ciągłe długookresowe wielkości fizycznych charakteryzujących wymianę powietrza w pomieszczeniach i proces wymiany ciepła w ścianach zewnętrznych budynku wielorodzinnego w Gdańsku.
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Burnout as a State: Random-Intercept Cross-Lagged Relationship Between Exhaustion and Disengagement in a 10-Day Study
PublicationBackground: Burnout has been traditionally seen as a chronic and stable state in response to prolonged stress. However, measures of momentary burnout are not well established, even though the within-person approach suggests that the symptoms of burnout may vary from day to day for the same employee. The aim of this study is to examine the daily inter- and intra-personal variability of the symptoms of burnout and the cross-lagged relationship...
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Syntheses, spectroscopic and structural properties of phenoxysilyl compounds: X-ray structures, FT-IR and DFT calculations
PublicationThe reaction of silicon disulfide with alkylphenols leads to tetraphenoxysilane, cyclodisilthiane and silanethiol. The products of the reaction of silicon disulfide with phenols are characterized by FT-IR, NMR, X-ray diffraction and DFT calculations. The intramolecular interactions in the compounds are mainly XH---π (X = C, S) whereas the intermolecular interactions are either very weak CH---π/CH---O contacts found in aryloxysilane...
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Lax-Wendroff and McCormack Schemes for Numerical Simulation of Unsteady Gradually and Rapidly Varied Open Channel Flow
PublicationTwo explicit schemes of the finite difference method are presented and analyzed in the paper. The applicability of the Lax-Wendroff and McCormack schemes for modeling unsteady rapidly and gradually varied open channel flow is investigated. For simulation of the transcritical flow the original and improved McCormack scheme is used. The schemes are used for numerical solution of one dimensional Saint-Venant equations describing free...
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On my way to global science - 1933-2015 memoirs". A volume of memoirs by professor Wiesław Maria Grudzewski
PublicationI wish to express my graditude for the oportunity to read excellent on the life and academic work of Professor Grudzewski, and outstanding scientist and unquestioned authority on economic sciences in the area of management science. Professor Grudzewski had an influence on the events presented in his memoirs through his acquaintances and associates.
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Authentication of whisky due to its botanical origin and way of production by instrumental analysis and multivariate classification methods
PublicationHeadspacemass-spectrometry (HS-MS), mid infrared (MIR) and UV–vis spectroscopywere used to authenticate whisky samples from different origins and ways of production ((Irish, Spanish, Bourbon, TennesseeWhisky and Scotch). The collected spectra were processed with partial least-squares discriminant analysis (PLS-DA) to build the classification models. In all cases the five groups ofwhiskieswere distinguished, but the best resultswere...
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Analiza świadectw pochodzenia energii elektrycznej z odnawialnych źródeł na przełomie lat 2005-2014
PublicationWraz z wprowadzeniem pakietu energetyczno-klimatycznego w 2009 roku przez Unię Europejską, Polskie władze zobligowane do stworzenia odpowiednich procedur, które z jednej strony zachęciłyby podmioty do inwestowania w sektorze OZE, z drugiej zaś wprowadziły instrumenty umożliwiające monitorowanie stanu zaawansowania prac w zakresie rozwoju krajowych instalacji odnawialnych źródeł energii w obliczu przyjętych przez siebie zobowiązań....
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Assessing groundwater vulnerability to sea water intrusion in the coastline of the inner Puck Bay using GALDIT method
PublicationIn this research, GALDIT method was used to assess seawater intrusion in the coastal aquifer of the inner Puck Bay (Southern Baltic Sea). The impact of potential sea-level rise on groundwater vulnerability for years 2081-2100 was also considered. The study area was categorized into three classes of vulnerability: low, moderate and high. The most vulnerable area is the Hel Peninsula with northern part of the Kashubian Coastland....
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Assessing groundwater vulnerability to sea water intrusion in the coastline of the inner Puck Bay using GALDIT method
PublicationIn this research, GALDIT method was used to assess seawater intrusion in the coastal aquifer of the inner Puck Bay (Southern Baltic Sea). The impact of potential sea-level rise on groundwater vulnerability for years 2081-2100 was also considered. The study area was categorized into three classes of vulnerability: low, moderate and high. The most vulnerable area is the Hel Peninsula with northern part of the Kashubian Coastland....
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Detection of debonding in reinforced concrete beams using ultrasonic transmission tomography and hybrid ray tracing technique
PublicationThis paper concerns inspection of reinforced concrete elements, with particular emphasis on assessing the quality of the adhesive connection between steel and concrete. A novel theoretical model was developed to determine the paths of transmitted, refracted and reflected elastic waves as well as a creeping wave propagated along the inclusion surface. Imaging the internal structure of tested beams was based on wave propagation measurements...
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Chloroacridine derivatives as potential anticancer agents which may act as tricarboxylic acid cycle enzyme inhibitors
PublicationThe chloroacridines affect biological forms of melanoma in different ways. Amelanotic (Ab) melanoma (with inhibited melanogenesis and higher malignancy) was particularly sensitive to the action of the chloroacridines. The Ab melanoma cells died through apoptosis and through death without caspase activation. Diminished activity of TAC enzymes was noticed among Ab melanoma cells together with ATP/NAD depletion, especially in the...
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Quantitative estimation of volume changes of granular materials during silo flow using X-ray tomography.
PublicationW artykule przedstawiono wyniki badań doświadczalnych nad zmianami objętościowymi materiału granulowanego podczas przepływu silosowego. Badania wykonano przy zastosowaniu tomografii rentgenowskiej. Wyniki porównano z wynikami doświadczalnymi przy zastosowaniu cyfrowej obróbki zdjęć płynącego materiału.
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CHI PLAY: The Annual Symposium on Computer-Human Interaction in Play
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Przemysław Banasik dr hab.
Peoplee-mail: Przemyslaw.Banasik@zie.pg.edu.pl, pba@zie.pg.gda.pl tel.: +48 58 347 28 75, pok. 510dr hab. Przemysław Banasik, prof. PG – autor ponad 140 publikacji z prawa, zarządzania i ekonomii. W pracy naukowej podejmuje badania nad organizacją wymiaru sprawiedliwości oraz przedsiębiorczością w jej ujęciu prawnym, ekonomicznym i zarządczym. Od 2017 r. Sędzia Sądu Apelacyjnego w Gdańsku. W latach 2013 – 2017 Prezes Sądu...
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Buckling resistance of a metal column in a corrugated sheet silo - experiments and non-linear stability calculations
PublicationThe results of experimental and numerical tests of a single corrugated sheet silo column’s buckling resistance are presented in this study. The experiments were performed in a real silo with and without bulk solid (wheat). A very positive impact of the bulk solid on the column buckling resistance occurred. The experimental results were first compared to the buckling resistance calculated by Eurocode 3 formulae. The comparison revealed that...
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Mariusz Figurski prof. dr hab. inż.
PeopleMariusz Józef Figurski (born 27 April 1964 in Łasinie, Poland) - Polish geodesist, professor of technical sciences, professor at the Gdańsk University of Technology. Early life and education He passed the matriculation examination in 1983 after he had finished Jan III Sobieski High school in Grudziądz. He graduated the Military University of Technology on an individual mode at the Faculty of Electromechanics and Civil Engineering...
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Composite (La, Sr)MnO3-YSZ cathode for SOFC
PublicationW pracy przedstawiono właściwości elektryczne kompozytów (La,Sr)MnO3-YSZ. Materiały te dzieki swoim włąściwościom mogą staniwć dobry materiał na katody ogniw paliwowych. Przedstawiono też wyniki badań ogniwa paliwowego pracującego z paliwem wodorowym zbudowanego na bazie katody z kompozytu LSM-YSZ i anody Ni-YSZ. Uzyskano gęstośc mocy 0.26 W cm−2 przy temperaturze 850°C.
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Patryk Ziółkowski dr inż.
PeoplePatryk Ziolkowski is a graduate of the Faculty of Civil and Environmental Engineering at the Gdansk University of Technology, specializing in Building and Engineering Structures. He works as an Assistant Professor at the Department of Engineering Structures. He participated in international projects, including projects for the Ministry of Transportation of the State of Alabama (2015), he is also the winner of a grant from the Kosciuszko...
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Extending transition curve in analytical design method
PublicationThe paper presents the problem of extending the transitional curves, using for this purpose an analytical design method. The basis for the analysis of numerical calculations were carried out for a wide set of parameters characterizing the standard geometric system. We considered an importance of the size of radius of the circular arc and return angle of route on the obtained results after the formulation of appropriate theoretical...
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Individual contributions of M X-ray line from Cu- and Co-like tungsten ions and L X-ray line from Ne-like molybdenum ions – Benchmarks for new approach to determine the high-temperature tokamak plasma parameters
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