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Search results for: klaster dorzecza wisly
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<title>Cavity simulator and controller for VUV free electron laser SIMCON 2.1, part II: functional blocks</title>
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<title>SIMCON 3.0 eight channel FPGA-based cavity simulator and controller for VUV free-electron laser</title>
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Laser stimulated second and third harmonic optical effects in F: SnO2 nanostructures grown via chemical synthetic route
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The study on minimum uncut chip thickness and cutting forces during laser-assisted turning of WC/NiCr clad layers
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Evaluation of water soil erosion processes in forest areas in the Western Sudetes using terrestrial laser scanning and GIS tools
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Tin oxide nanoparticles from laser ablation encapsulated in a carbonaceous matrix – a negative electrode in lithium-ion battery applications
PublicationThis report concerns carbonaceous electrodes doped with tin(II) oxide nanoparticles. Tin nanoparticles are obtained by pulsed laser ablation in water. Crystalline nanoparticles have been encapsulated in a carbonaceous matrix formed after pyrolysis of a mixture consisting of tin/tin(IV) oxide nanoparticles and gelatine. The obtained material is characterized by means of X-ray diffraction, selected area diffraction, scanning electron...
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Functional phase bistability in a nanocrystalline RbMn[Fe(CN)6] thin film fabricated by matrix-assisted laser evaporation
PublicationOne of the main barriers hindering applications of Prussian blue metal assemblies is their poor processability, which makes the fabrication of intact thin films very difficult. In this work, a nanocrystalline RbMn[Fe(CN)6]·xH2O film on silicon substrate was obtained for the first time via laser-stimulated deposition and investigated. Temperature-induced phase transition and bistability within broad hysteresis loop (120 K), along...
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Electrochemical glucose sensor based on the glucose oxidase entrapped in chitosan immobilized onto laser-processed Au-Ti electrode
PublicationThe study on novel electrode material composed of structured titanium foil with embedded Au nanoparticles and modified with chitosan with entrapped glucose oxidase is presented. To confirm the successful immobilization of glucose oxidase FT-IR analysis was performed. The response of electrodes were tested towards glucose in the presence of different interference compounds and biological fluids. The prepared material exhibits excellent...
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Rapid development of the photoresponse and oxygen evolution of TiO2 nanotubes sputtered with Cr thin films realized via laser annealing
PublicationRecently, earth abundant transition metal oxides have gained particular attention as potential catalyst candidates due to their availability and low-cost comparing to substrates containing precious Pt or Au species. Herein, we present characterization of morphology, structure and electrochemical properties of pulsed 532 nm laser treated TiO2 nanotubes (NT) sputtered by the thin film of chromium. Scanning electron microscopy enables...
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Effect of hybrid modification by ceramic layer formation in MAO process and laser remelting on the structure of titanium bio-alloy Ti13Nb13Zr
PublicationTo improve the biological properties of titanium alloy Ti13Nb13Zr, hybrid modifications involving micro-arc oxidation (MAO) and Nd: YAG laser remelting were carried out in two combinations. The first consisted of laser modification before the production of the ceramic layer by the micro-arc oxidation process, and the second combination involved Nd: YAG laser modification after the MAO process. The creation of developed surface...
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Energy conversion in systems-contained laser irradiated metallic nanoparticles - comparison of results from analytical solutions and numerical methods
PublicationThis work introduces the theoretical method of metallic nanoparticles’ (NPs’) heat and mass transfer where the particles are coated on a surface (base), together with considering the case wherein nanoparticles move freely in a pipe. In order to simulate the heat transfer, energy and radiative transfer equations are adjusted to the considered issue. NPs’ properties are determined following the nanofluidic theories, whereas absorption...
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Experimental Evaluation of ND: YAG Laser Parameters and Sample Preparation Methods for Texturing Thin AISI 316L Steel Samples
PublicationIn mechanical and material engineering, the effect of laser texturing depends on many factors besides device specification, primarily the properties of the materials being processed, and, secondly, the preparation of the sample. Laser texturing of thin (<5 mm) samples is mostly performed utilizing short-pulse lasers, but depending on the power of the laser beam, the process can also be performed by using continuous operation lasers....
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Effect of pulse laser treatment at different process variables on mechanical behavior of carbon nanotubes electrophoretically deposited on titanium alloy
PublicationPurpose: Titanium and its alloys are widely used as biomaterials for long-term implants, but they are usually surface-modified due to their weak bioactivity and wear resistance. Laser processing was used to modify the surface layer, and elemental carbon was a component of the deposited coatings. This research aims to use a combination of both methods based on preliminary electrophoretic deposition of multi-wall carbon nanotubes...
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Sanierung von Deichen in Polen mit dem Verfahren der Tiefen-Bodenvermorte-lung (DMM). Hochwasserschutz Spezial**2003 nr 1 s.45-53, 17 rys. bibliogr 6 poz. + Herstellung von Dichtwanden in alten Deichen in Polen mit dem Verfah-ren der Tiefen Bodenvermoertelung (DMM) - Bemessungsanalysen und Ausfueh- rungsbeispiele. Offenbach: Keller - Grundbau**2003, 23 s. 26 rys. 2 tab. bi-bliogr. 7 poz.Wykonywanie przesłon przeciwfiltracyjnych w starych wałach w Polsce metodą mieszania wgłębnego gruntu (DMM) - projektowanie i przykłady realizacji.
PublicationOpisano pierwsze w Polsce zastosowanie technologii mieszania gruntu na mokro w celu wykonywania przesłon przeciwfiltracyjnych w starych wałach przeciwpowodziowych. Podanio przykłady analizy filtracji oraz projektowania. Przedstawiono 4 przykłady zastosowania w Polsce, obejmujace wały Wisły i Rudawy w Krakowie oraz Wisły w Tarnobrzegu. Przesłony wykonane w Krakowie dodatkowo zazbrojono stalowymi profilami w celu posadowienia murków...
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Hydropower potential of the lower Vistula
PublicationThis paper presents an estimate analysis of the hydropower potential of the lower Vistula River from Warsaw to Gdańsk Bay. The calculations were made for a hydraulic model of the lower Vistula which takes into account potential development of barrages in a cascade system. Results obtained from the model simulations and from hydrological calculations were used to estimate the power of hydropower plants and the average annual energy...
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Theory of industrial clusters
PublicationW niniejszym rozdziale zostały przedstawione podstawy teoretyczne klastrów, a w szczególności stosowane definicje i klasyfikacje gron oraz determinanty ich rozwoju. Autorka wyjaśnia również zjawisko powstawania klastrów i przedstawia korzyści płynące ze współpracy w gronie. Obszerną część artykułu stanowi przegląd metod stosowanych w badaniach struktur klastrowych. Autorka zamieściła również charakterystyki wybranych regionów opartych...
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Landscape of the Vistula Estuary - searching for traces of ingenium embodied
PublicationArtykuł podaje skrótowe informacje o dawnym i współczesnym znaczeniu obiektów inżynieryjnych w krajobrazie delty Wisły, które znalazły się na trasie objazdu konserwatorskiego w dniu 5 maja w ramach realizacji programu konferencji HOT-GO 4 wraz z kalendarium ich dziejów: Most Lisewski przez Wisłę w Tczewie, wielki przekop Wisły w Świbnie, śluzy w Przegalinie, Gdańskiej Głowie i Białej Górze, relikty kanału w Piekle.
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The present condition of the Vistula river catchment area and its impact on the Baltic Sea coastal zone
PublicationPraca przeglądowa - opisuje stan zlewiska rzeki Wisły i morza Bałtyckiego, pod względem geograficznym, środowiskowym i socjo-ekonomicznym.
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Validation of high-resolution 3D patient QA for proton PBS and IMPT using laser CT of improved polymer gel dosimeters
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Synthesis of Micro-Spikes and Herringbones Structures by Femtosecond Laser Pulses on a Titanium Plate—A New Material for Water Organic Pollutants Degradation
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Scanning with Laser Beam over the TiO2 Nanotubes Covered with Thin Chromium Layers towards the Activation of the Material under the Visible Light
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Determination of oxygen saturation and photosensitizer accumulation in the tumor with the help of LEDand laser diode-based irradiation sources and fiber-optics probes
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<title>Cavity simulator and controller for VUV free electron laser SIMCON 2.1, part I: algorithms and SIMCON system</title>
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Third harmonic generation studies of 1.06 μm Nd:YAG laser beam in Li2SO4–MgO–P2O5 glass system-influence of CuO
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Experimental investigation of selective laser melting parameters for higher surface quality and microhardness properties: taguchi and super ranking concept approaches
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Nanocrystalline Polymer Impregnated [Fe(pz)Pt(CN)4] Thin Films Prepared by Matrix-Assisted Pulsed Laser Evaporation
PublicationIn this work, the fabrication of [Fe(pz)Pt(CN)4] (pz = pyrazine) thin films by means of matrix-assisted pulsed laser evaporation (MAPLE) was investigated. As starting material, a cryogenically cooled suspension of anocrystalline [Fe(pz)Pt- (CN)4] (0.35wt.-%) in a mixture of 1,1-dichloroethane and polyethylene glycol (PEG) was used. Films of a thickness up to 150–200 nm were deposited on Si substrates by laser ablation at λ = 1064...
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The influence of the grid density of measurement points on damage detection in an isotropic plate by the use of elastic waves and laser scanning Doppler vibrometry
PublicationDamage detection in structural components, especially in mechanical engineering, is an 2 important element of engineering practice. There are many methods of damage detection, in which 3 changes in various parameters caused by the presence of damage are analysed. Recently, methods 4 based on the analysis of changes in dynamic parameters of structures, i.e. frequencies or mode shapes 5 of natural vibrations, as well as changes in...
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Femtosecond Er-doped fiber laser source tunable from 872 to 1075 nm for two-photon vision studies in humans
PublicationWe report the development of a widely-tunable femtosecond fiber laser system and its application for two-photon vision studies. The source is based on an Er-doped fiber laser with spectral shift up to 2150 nm, followed by a second harmonic generation module to generate a frequency-doubled beam tunable from 872 to 1075 nm. The source delivers sub-230 fs pulses with nearly-constant duration over the entire tuning range, with output...
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Interferometric optical fiber sensors with active stabilization of the operating point using a tunable semiconductor laser. Optical Fibres and Their Applications VIII.
PublicationW pracy przedstawiono wyniki badań światłowodowych interferometrycznych sensorów siły wykonanych w konfiguracji interferometru Michelsona i wykorzystujących aktywną stabilizację punktu pracy przy pomocy zmiany długości fali źródła. Porównano dwie klasy omawianych sensorów a następnie zrealizowano sensor. W konstrukcji sensora zastosowano modulator z pośrednim pomiarem siły. Mierzona siła jest zamieniana na ciśnienie hydrostatyczne,...
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Klasztor dominikanów przy kościele św. Piotra i Pawła w Chełmnie. Stan zachowania na początku XIX w. i zagospodarowanie terenu po jego rozbiórce
PublicationCelem artykułu jest przestrzenna rekonstrukcja zburzonego w latach 30. XIX w. klasztoru dominikanów w Chełmnie. Podstawą studiów są prowadzone przez autora badania architektoniczne oraz szeroka kwerenda archiwalna, która pozwoliła odnaleźć nowe źródła do dziejów obiektu (plany administracji pruskiej w związku z kasatą lat 30. XIX w. oraz akta budowlane gminy protestanckiej osadzonej w kościele po odebraniu go katolikom). W artykule...
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Początki fortyfikacji nadbrzeżnych Gdańska
Publicationartykuł dotyczy początków fortyfikacji w rejonie ujścia Wisły, od twierdzy Wisłoujście do baterii artyleryjskich z II połowy XIX w.
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Dosimetry study of Re-188 liquid balloon for intravascular brachytherapy using polymer gel dosimeters and laser-beam optical CT scanner
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<title>Cavity digital control testing system by Simulink step operation method for TESLA linear accelerator and free electron laser</title>
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Influence of Ni ion site occupancy on laser induced third harmonic generation (THG) studies in Li2SO4–MgO–P2O5 amorphous system
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A Study on Bead on Plate (BOP) Test for Laser Welding Application of Stainless Steel to Liquified Hydrogen Tank (PART I: STS 304)
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Carbon nanowalls: A new versatile graphene based interface for laser desorption/ionization-mass spectrometry detection of small compounds in real samples.
PublicationCarbon nanowalls, vertically aligned graphene nanosheets, attract attention owing to their tunable band-gap, high conductivity, high mechanical robustness, high optical absorbance and other remarkable properties. In this paper, we report for the first time, the use of hydrophobic boron-doped carbon nanowalls (CNWs) for laser desorption/ionization of small compounds and their subsequent detection by mass spectrometry (LDI-MS). The...
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Effects of Micro-Arc Oxidation Process Parameters on Characteristics of Calcium-Phosphate Containing Oxide Layers on the Selective Laser Melted Ti13Zr13Nb Alloy
PublicationTitania-based films on selective laser melted Ti13Zr13Nb have been formed by micro-arc oxidation (MAO) at different process parameters (voltage, current, processing time) in order to evaluate the impact of MAO process parameters in calcium and phosphate (Ca + P) containing electrolyte on surface characteristic, early-stage bioactivity, nanomechanical properties, and adhesion between the oxide coatings and substrate. The surface...
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The effect of numerical 2D and 3D FEM element modelling on strain and stress distributions at laser weld notches in steel sandwich type panels
PublicationLike other means of transport, merchant ships face the problem of increasing requirements concerning the environment protection, which, among other issues, implies the reduction of fuel consumption by the ship. Here, the conventional approach which consists in making use of higher strength steels to decrease the mass of the ship hull can be complemented by the use of new steel structures of sandwich panel type. However, the lack...
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Laser Welding of UNS S33207 Hyper-Duplex Stainless Steel to 6061 Aluminum Alloy Using High Entropy Alloy as a Filler Material
PublicationThe high entropy alloy (HEA) filler used during the fabrication method determines the reliability of HEAs for steel-aluminum dissimilar alloy configuration. HEAs have a direct impact on the formation of intermetallic compounds (IMC) formed by the interaction of iron (Fe) and aluminum (Al), and influence the size of the joint’s interaction zone. A novel welding process for Fe-Al alloy joints was developed to prevent the development...
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Boron-doped carbon nanowalls for fast and direct detection of cytochrome C and ricin by matrix-free laser desorption/ionization mass spectrometry
PublicationDetecting proteins via surface assisted laser desorption/ionization mass spectrometry (SALDI-MS) method is still highly challenging, and only few examples of nanomaterials have been demonstrated to perform such detection so far. In this study, carbon nanowalls (CNWs), vertically aligned graphene sheet-based materials, presenting specific morphology, dimensions, and boron doping levels have shown improved performances for both qualitative...
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Właściwości korozyjne stopu MM55 nadtopionego laserowo w warunkach kriogenicznych = Corrosion properties of the MM55 alloy laser melted at cryogenic conditions
PublicationStop MM55 stosowany do wyrobu śrub okrętowych poddano laserowemu nadtapianiu w warunkach kriogenicznych. W artykule przeprowadzono analizę mikrostruktury warstwy wierzchniej stopu MM55 po wymienionej obróbce cieplnej. Określono właściwości korozyjne wytworzonej warstwy wierzchniej nadtopionego stopu i porównano je ze stanem wyjściowym.
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Solid state versus fiber picosecond infrared lasers applied to two-photon vision tests
PublicationDevelopment of new microperimetric tools dedicated for imaging of early functional changes in the retina may help in the monitoring of various ocular diseases progression e.g. Age-Related Macular Degeneration. Recently described two-photon vision may be applied to microperimetric devices. Many subjects with well-known disease history could be investigated with newly developed instrumentation that tests ability of human eye to perceive...
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Ratownictwo drogowe ważnym elementem systemu bezpieczeństwa ruchu drogowego.
PublicationWypadki drogowe są jednym z największych problemów zdrowia publicznego. Wagę tego problemu podkreśla liczba ofiar ruchu drogowego oraz konsekwencje w postaci degradacji poziomu życia ofiar i ich rodzin. Ofiary wypadku drogowego doznają najczęściej mnogich obrażeń ciała, które bezpośrednio zagrażają życiu i są przyczyną trudności diagnostycznych oraz wymagają wielospecjalistycznego leczenia i rehabilitacji. W referacie przedstawiono...
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Bariery techniczne polskiego odcinka Międzynarodowej Drogi Wodnej E-70.
PublicationW zeszycie przedstawiono główne bariery techniczne śródlądowej drogi wodnej E-70 na odcinkach Kostrzyn-Bydgoszcz, Fordon-Ujście Wisły, Nogat i Szkarpawa, ich aktualny stan oraz perspektywy rozwoju.
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<title>Cavity simulator and controller for VUV free electron laser SIMCON 2.1, part III: I/O ports and measurement results</title>
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Modyfikacja powierzchni stopu Ti16Al4V przez nadtapianie laserowe w niskich temperaturach = Surface modification of the Ti6A14V alloy by laser melting in low temperature
PublicationPrzedstawiono założenia projektu badawczego zmierzającego do modyfikacji powierzchniowej stopu Ti6Al4V i uzyskaniu lepszej odporności na zużycie ścierne, tribokorozję i zmęczenie korozyjne dzięki nadtopieniu powierzchni stopu laserem w warunkach kriogenicznych.
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Badanie zgodności koncepcji rekreacyjno-turystycznego otwarcia drogi wodnej Oświęcim – Kraków z zasadami zrównoważonego rozwoju
PublicationW pracy przedstawiono metodę oceny stopnia zgodności zagospodarowania akwenu wodnego z zasadami zrównoważonego rozwoju. Obszarem badawczym była droga wodna pomiędzy Oświęcimiem i Krakowem wraz z terenami przyległymi. Przedmiotem badań była koncepcja turystyczno-rekreacyjnego wykorzystania śródlądowej drogi wodnej Górnej Wisły. Koncepcja składała się z pięciu elementów tj.: ścieżek rowerowych wzdłuż Wisły wraz z siecią wypożyczalni,...
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SU-FF-T-192: Complete 3D QA for Rapid Arc Using BANG Polymer Gel and OCTOPUS-IQ Fast Laser CT Scanner
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Improving osteoblasts cells proliferation via femtosecond laser surface modification of 3D-printed poly-ε-caprolactone scaffolds for bone tissue engineering applications
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Two years later: Is the SARS-CoV-2 pandemic still having an impact on emergency surgery? An international cross-sectional survey among WSES members
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