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Search results for: CPT PROBE
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Estimation of Coherence Bandwidth for Underwater Acoustic Communication Channel
PublicationA shallow underwater acoustic communication channel is characterized by strong multipath propagation. The signal reaching the receiver consists of a direct waveform and a number of its delayed and suppressed replica. A significant time dispersion of the transmitted signal and selective fading of its spectrum are observed. Coherence bandwidth defines maximal bandwidth, wherein the channel amplitude characteristic remains constant...
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Monitoring of breast tissue thermo-ablation by means of impedance measurements
PublicationW pracy przedstawiono rozważania dotyczące monitorowania jakości termoablacji zmian nowotworowych w piersi przy pomocy pomiarów impedancyjnych. Pokazano prototypowe konstrukcje sond do termoablacji jak również zaprezentowano wyniki symulacji i pierwszych eksperymentów. A usefulness of a developed probe combining power delivery to ablated breast tumour and simultaneous impedance measurements is discussed in the paper. It consists...
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Estimating Traffic Intensity Employing Passive Acoustic Radar and Enhanced Microwave Doppler Radar Sensor
PublicationInnovative road signs that can autonomously display the speed limit in cases where the trac situation requires it are under development. The autonomous road sign contains many types of sensors, of which the subject of interest in this article is the Doppler sensor that we have improved and the constructed and calibrated acoustic probe. An algorithm for performing vehicle detection and tracking, as well as vehicle speed measurement,...
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Molecularly targeted nanoparticles: an emerging tool for evaluation of expression of the receptor for advanced glycation end products in a murine model of peripheral artery disease
PublicationAbstract Background: Molecular imaging with molecularly targeted probes is a powerful tool for studying the spatio-temporal interactions between complex biological processes. The pivotal role of the receptor for advanced glycation end products (RAGE) in numerous pathological processes, aroused the demand for RAGE targeted imaging in various diseases. In the study, we evaluated the use of a diagnostic imaging agent for RAGE quantification...
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Electrochemical performance of indium-tin-oxide-coated lossy-mode resonance optical fiber sensor
PublicationAnalysis of liquids performed in multiple domain, e.g., optical and electrochemical (EC), has recently focus significant attention. Our previous works have shown that a simple device based on indium-tin-oxide (ITO) coated optical fiber core may be used for optical monitoring of EC processes. At satisfying optical properties and thickness of ITO a lossy-mode resonance (LMR) effect can be obtained and used for monitoring of optical...
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Physical properties of homogeneous TiO2 films prepared by high power impulse magnetron sputtering as a function of crystallographic phase and nanostructure
PublicationOptical, photo-electrochemical, crystallographic and morphological properties of TiO2 thin films prepared by high power impulse magnetron sputtering at low substrate temperatures (<65 ◦C) without post-deposition thermal annealing are studied. The film composition-anatase, rutile or amorphous TiO2-is adjusted by the pressure (p ∼ 0.75-15 Pa) in the deposition chamber. The different crystallographic phases were determined with grazing...
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Atomic force microscopy images of copper electrical contacts wear under the influence of friction
Open Research DataMeasurement of wear of copper electrical contacts under the influence of friction. Imaging in contact mode in the variant of scanning spreading resistance microscopy. Additionally, there are spectroscopic current-voltage curves showing local changes in electrical conductivity. NTEGRA Prima (NT-MDT) device. Probe NSG 01Pt.
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Mechanical lithography in a polymer substrate using AFM in contact mode
Open Research DataMechanical lithography in a polymer substrate. Contact mode. NTEGRA Prima (NT-MDT) device. NSG 01 probe.
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Badanie korelacji efektu emisji magnetoakustycznej ze zmianami mikrostruk- tury stali 10H2M. Zesz. Probl. - Badania Nieniszczące.**2003 nr 8 s. 67-70, 5 rys. bibliogr. 5 poz. Materiały 32 Krajowej Konferencji Badań Nieniszczących 32 KKBN. Międzyzdro-je 28-30. X. 2003 r.
PublicationPrzedstawiono wyniki badania korelacji efektu emisji magnetoakustycznej zezmianami mikrostruktury stali 10H2M w trakcie procesu degradacji. Rozwójkształtu i koncentracji wydzieleń wewnątrz ziarna i na granicy ziaren badanoanalizując obrazy mikrostruktury z mikroskopu skaningowego. Wykazano, że za-nik natężenia emisji magnetoakustycznej jest skorelowany ze wzrostem szero-kości wydzieleń na granicy ziaren ferrytu.
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Sense of safety and opinions about COVID-19 vaccinations in Polish school teachers: The role of conspiracy theories belief and fear of COVID-19
PublicationThe co-occurrence of COVID-19 conspiracy theories (CCT) and fear of the coronavirus (FCV) can be linked to how safe people feel and how much they endorse vaccinations. School teachers were one of the vaccination priority groups in Poland. We conducted three cross-sectional studies (N1 = 1006; N2 = 1689; N3 = 627) to find out the potential interactive effects of CCT belief and FCV in predicting sense of safety (SoS; Studies 1-3),...
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The cyclic voltammetry studies of CB-PLA electrode after surface activation by electrolysis in 1M NaOH
Open Research DataThe dataset contains the electrochemical studies performed for surface activation of the CB-PLA 3D printed electrodes by electrolysis in 1M NaOH solution. The studies were performed after treatment at an anodic overpotential of 1V, found to be optimal for surface activation. The measurements were carried out with cyclic voltammetry (CV) under different...
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Justyna Kucińska-Lipka dr hab. inż.
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II Debata podatkowa nt. podatków PIT i CIT w 2019 r.
EventsDrugie spotkanie z cyklu „Debat podatkowych” na WZiE, podczas którego zostaną omówione praktyczne aspekty związane z opodatkowaniem przedsiębiorstw podatkiem dochodowym PIT i CIT.
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Environmental preservation of emerging parabens contamination: effect of Ag and Pt loading over the catalytic efficiency of TiO 2 during photocatalytic ozonation
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Cathodically activated Au/TiO2 nanocomposite synthesized by a new facile solvothermal method: An efficient electrocatalyst with Pt-like activity for hydrogen generation
PublicationWe report here a facile, template-free and one-step solvothermal approach for the synthesis of high-temperature stable gold/titania nanocomposite (NCs), providing a new, simple, quick and inexpensive wet-chemical route. Our approach is based on the assembly of gold salt and titanium butoxide in dimethyl sulfoxide (DMSO). Also, we present here, for the first time, a cathodically activated Au/TiO2 catalyst with Pt/C activity for...
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New σ-phases in the Nb–X–Ga and Nb–X–Al systems (X = Ru, Rh, Pd, Ir, Pt, and Au)
PublicationPreviously unreported σ-phases in the ternary niobium-based systems Nb–X–Ga for X = Ru, Rh, Pd, Ir, Pt, Au, and Nb–X–Al for X = Ir, and Pt are presented, prepared by arc-melting followed by annealing at 1000 °C for 1 week. The phases are primitive tetragonal (P42/mnm, no. 136) with lattice parameters of a = 9.8336(2)–9.9432(1) Å and c = 5.1098(1)–5.1718(1) Å. Refinements of the single crystal X-ray diffraction data for the Ru and...
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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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Calculation Program Supporting Switched Capacitor DC-DC Charge Pump Design (CP Design Calculator) - Part III: Illustrative Examples
PublicationW pracy przedstawiono szereg przykładów użycia programu do obliczeń wspomagających projektowanie pompy ładunkowej, w tym syntezę układu kanonicznego i wyznaczanie wszystkich teoretycznie realizowalnych współczynników przetwarzania (wzmocnień napięciowych), rezystancję wyjściową zastępczą w różnych trybach pracy, sprawność energetyczną, wrażliwość na pojemności pasożytnicze, warunki początkowe w okresowym stanie ustalonym - do współpracy...
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Flexible dye-sensitized solar cells based on Ti/TiO2 nanotubes photoanode and Pt-free and TCO-free counter electrode system
PublicationFlexible dye-sensitized solar cells (DSSCs) are getting more attention compared to standard glass covered DSSCs due to their unique commercial applications (e.g. tents or sail surfaces) and the possibility of rolling up into a small, portable device. In this work, titania nanotubes (TiO2 NT) modified with titania nanoparticles (TiO2 NP) were photoelectrochemically characterized as an anode for flexible dye-sensitized solar cells....
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Shape Memory Alloy-Based Fluidically Reconfigurable Metasurfaced Beam Steering Antenna
PublicationA low-cost actuator-based fluidically programmable metasurface (FPMS) antenna is proposed to solve the slow tuning speed problem of the manually fluidic based reconfigurable antennas. The FPMS-based antenna is probe-fed and comprises a 4 × 4 square ring metasurface as a superstrate. Moreover, two shape memory alloy (SMA)-based electrically-controlled actuators are employed in the design for controlling the position of the 3D-printed...
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Detection of the acoustic interferences during AFM operation
Open Research DataAtomic force microscopy is a particularly complicated surface imaging technique due to the large number of factors that affect the quality of the resulting images. They are obviously difficult and sometimes even impossible to control at the same time. One of such factors may even be the seismological location of the building or the influence of mechanical...
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Enhanced voice user interface employing spatial filtration of signals from acoustic vector sensor
PublicationSpatial filtration of sound is introduced to enhance speech recognition accuracy in noisy conditions. An acoustic vector sensor (AVS) is employed. The signals from the AVS probe are processed in order to attenuate the surrounding noise. As a result the signal to noise ratio is increased. An experiment is featured in which speech signals are disturbed by babble noise. The signals before and after spatial filtration are processed...
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Enhanced solar light photocatalytic performance of Fe-ZnO in the presence of H2O2, S2O82−, and HSO5− for degradation of chlorpyrifos from agricultural wastes: Toxicities investigation
PublicationThis study reported Fe doped zinc oxide (Fe-ZnO) synthesis to degrade chlorpyrifos (CPY), a highly toxic organophosphate pesticide and important sources of agricultural wastes. Fourier transform infrared, X-ray diffraction, scanning electron microscope, and energy-dispersive X-ray spectroscopic analyses showed successful formation of the Fe-ZnO with highly crystalline and amorphous nature. Water collected from agricultural wastes...
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Results of EIS measuremnts and DRT analysis of SrTi0.30Fe0.70O3-d oxygen electrode at 800 °C and 1% oxygen partial pressure by using three R-CPE fiting elements
Open Research DataThis dataset contains electrochemical impedance spectroscopy and Distribution of Relaxation Times analysis results for symmetrical cell with porous SrTi0.30Fe0.70O3-d oxygen electrodes sintered at 800 °C. EIS spectra were measured at 800 °C and 1% of oxygen partial pressure. EIS and DRT spectra of simmulated three R-CPE elements from equivalent circuit,...
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Results of EIS measuremnts and DRT analysis of SrTi0.30Fe0.70O3-d oxygen electrode at 800 °C and 1% oxygen partial pressure by using two R-CPE fiting elements
Open Research DataThis dataset contains electrochemical impedance spectroscopy and Distribution of Relaxation Times analysis results for symmetrical cell with porous SrTi0.30Fe0.70O3-d oxygen electrodes sintered at 800 °C. EIS spectra were measured at 800 °C and 1% of oxygen partial pressure. EIS and DRT spectra of simmulated two R-CPE elements from equivalent circuit,...
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AFM and SSRM investiagtion of carbon nanowalls properties
Open Research DataStructures with limited dimensionality are of great interest in modern nanotechnology. The properties of these objects are used, among others, for the construction of modern displays or as a base for quantum computers. Carbon nanowalls, which are the subject of the imaging results contained in this collection, are also considered interesting building...
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Surface activation by cyclic polarization in 1M HCl and its effects on the electrochemical response of CB-PLA 3D printed electrodes
Open Research DataThe dataset contains the electrochemical studies performed for surface activation of the CB-PLA 3D printed electrodes by electrolysis in 1M HCl solution. The studies were performed after treatment at different polarization ranges, as labeled in subfolder names. For each electrode the consecutive studies describe different samples, as labeled in subfolders:...
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Application of EARL (ResEARch 4 Life®) protocols for [18F]FDG-PET/CT clinical and research studies. A roadmap towards exact recovery coefficient
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The Preoperative Maximum Standardized Uptake Value Measured by 18F-FDG PET/CT as an Independent Prognostic Factor of Overall Survival in Endometrial Cancer Patients
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Mirosław Kazimierz Gerigk dr hab. inż.
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Morphology and conductivity investigations of nickel-molybdenium alloy by means of Scanning Spreading Resistance Microscopy
Open Research DataElectrolytically deposited nickel-molybdenum alloys are interesting materials because of their high corrosion resistance and low over-potential for hydrogen evolution. Despite many studies devoted to the deposition of these alloys, the mechanism of co-deposition is not fully understood [1]. The aim of the research was to preserve the electrochemically...
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Wykład pt. „Czy kryptowaluty zastąpią pieniądz tradycyjny?”
EventsDr hab. Krzysztof Piech z Uczelni Łazarskiego, dyrektor Centrum Technologii Blockchain będzie gościem prof. Piotra Dominiaka (WZiE) podczas jubileuszowego 25. spotkania z cyklu „Wieczór z Ekonomią”.
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Ferromagnetic nanoparticles imaging by means of Magnetic Force Microscopy
Open Research DataFerromagnetic nanoparticles can be used as building blocks for advanced thin film magnets, and can also be used in data storage and biomedical technologies. Nano-crystalline ferrites with the chemical formula NixZn (1 - x) Fe2O4, where x = 0, 0.2, 0.4, 0.6, 0.8, 1.0 show anti-corrosion properties and suppress electromagnetic interference, in the case...
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Nonlinear free and forced vibrations of a dielectric elastomer-based microcantilever for atomic force microscopy
PublicationThe majority of atomic force microcode (AFM) probes work based on piezoelectric actuation. However, some undesirable phenomena such as creep and hysteresis may appear in the piezoelectric actuators that limit their applications. This paper proposes a novel AFM probe based on dielectric elastomer actuators (DEAs). The DE is modeled via the use of a hyperelastic Cosserat model. Size effects and geometric nonlinearity are included...
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Numerical estimation of the pile toe and shaft unit resistances during the installation process in sands
PublicationNumerical simulations of a pile jacking were carried out. A Coupled Eulerian–Lagrangian (CEL) formulation was used to treat with large deformation problems. An Abaqus, a commercial Finite Element Method software suit, was used as a computing environment. The Mohr–Coulomb constitutive model was applied and the Coulomb model of friction was used to describe pile-soil interaction. Calculations were made for three different pile diameters....
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Wykonanie opinii technicznej dot. opracowania pt. ,,Analiza możliwości zmiany funkcji na hotelową budynku przy ul. Heweliusza 11 w Gdańsku".
PublicationPrzedmiotem opracowania jest opinia jednostki naukowo-badawczej do dokumentu „Analiza możliwości zmiany funkcji na hotelową w budynku Heweliusza H11” opracowanego przez Industria Structure Sp. z o.o. Celem opracowania jest ocena dotycząca poprawności przyjętych założeń i weryfikacji przedstawionych wniosków.
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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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Badanie właściwości fotokatalitycznych, biobójczych i magnetycznych tlenku tytanu(IV) modyfikowanego nanocząstkami monoi bimetalicznymi Pt, Ag, Cu, Au oraz Pd
PublicationZakres badań obejmował otrzymywanie i charakterystykę nanokompozytów tlenku tytanu(IV) modyfikowanego mono- oraz bimetalicznymi nanocząstkami metali platyny, palladu, złota, srebra oraz miedzi. Zbadano wpływ zawartości metali, matrycy TiO2 oraz połączeniami metali na właściwości fotokatalityczne, biobójcze i magnetyczne otrzymanych nanokompozytów TiO2. Aktywność fotokatalityczną zbadano w reakcji degradacji modelowych związków oraz...
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Opinia o wdrożeniu inwestycji technologicznej pt. Sposób wytwarzania biletu spersonalizowanego w druku offsetowym heatset w połączeniu z drukiem fleksograficznym
PublicationOpinię powdrożeniową opracowano dla Banku Gospodarstwa Krajowego na podstawie Ustawy z dnia 30 maja 2008 r. o niektórych formach wspierania działalności innowacyjnej (Dz. U. z 2008 r. Nr 116, poz. 730) z późniejszymi zmianami. Opinia dotyczyła realizacji celów projektu zatytułowanego „Wdrożenie nowej technologii produkcji biletów personalizowanych zabezpieczonych przed fałszowaniem”. Wdrożenie było dofinansowane Kredytem Technologicznym....
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The Towers of Hanoi as a Cyber-Physical System Education Case Study
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Partial PLA composite surface activation by femtosecond laser ablation
Open Research DataThe dataset contains the studies on electrochemical activity of PLA composite (commercially available CB-PLA Protopasta), which was 3D printed in a form of 1x1cm electrodes. The electrodes were submitted to femtosecond laser ablation, etching a certain % of the electrochemically-exposed electrode size. The % value is in the name of each file. The goal...
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Detection, identification and determination of chiral pharmaceutical residues in wastewater: Problems and challenges
PublicationChiral pharmaceuticals (CPs) are widely used in different areas of human life, thus they are frequentlydetected in different ecosystems. However, before CPs reach the environment, wastewater is subjected todifferent treatment processes in order to remove them. Nevertheless, such processes may affect thechirality of CPs, thus it is very important to monitor CP levels during the wastewater treatment.This review addresses the present...
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Analysis of the Surface Stereometry of Alloyed Austenitic Steel after Fibre Laser Cutting using Confocal Microscopy
PublicationThe paper extends the concept of cut edge quality and examines the fibre laser cutting process. A Prima Power Platino Fiber Evo device with a reference speed (RS) of 3500 mm/min was used for laser cutting. In order to analyse the influence of the laser cutting speed on the cut edge quality of X5CrNi18-10 stainless steel sheets, macroscopic studies were conducted on a stereoscopic microscope and surface stereometry on a confocal...
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The AFM micrographs of gold nanoparticles on silicon substrate
Open Research DataThe dataset contains the first approach towards AFM topographic imaging of gold nanoparticles synthesized and immobilized on the silicon surface. Measurements were made in the semi-contact mode on the NTEGRA Prima device, manufactured by NT-MDT. Scans were performed with amplitude detection at an operating value of 60% of the free oscillation amplitude....
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Charge photogeneration effect on the exciplex emission from thin organic films
PublicationZaobserwowano silne wygaszenie fluorescencji i fosforescencji ekscypleksowej w układzie dwuamina TPD (donor elektronu): pochodna fenantroliny BPT (akceptor elektronu) w zewnętrznym polu elektrycznym. Efekt ten przypisano wygaszaniu molekularnych ekscytonów singletowych TPD na elektronach akceptorów BPT.
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Usage of a computer based training program for a refrigerating plant, a new tool for marine engineers training.
PublicationPrzedstawiono możliwości szkoleniowe dydaktycznego programu komputerowego typu cbt - chłodnia prowiantowa. Omówiono jego strukturę i zawartość merytoryczną Podano sposób oceny nauczanej wykorzystującej ten program. Wskazano korzyści płynące z zastosowania programów typu cbt w procesie kształcenia mechaników okrętowych.
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Anion-π Architectures of HAT(CN)6 and 5d Polycyanidometalates: [W(CN)8]3–, [Re(CN)7]3–, and [Pt(CN)6]2–
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Comparing radioactive tracers 18F-FDG and 18F-FLT in the staging of diffuse large B-cell lymphoma by PET/CT examination: A single-center prospective study
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Gas‐Phase Removal of Indoor Volatile Organic Compounds and Airborne Microorganisms Over Mono‐ and Bimetal‐Modified (Pt, Cu, Ag) Titanium(IV) Oxide Nanocomposites
PublicationThe photocatalytic deactivation of volatile organic compounds and mold fungi using TiO2 modified with mono‐ and bimetallic (Pt, Cu, Ag) particles is reported in this study. The mono‐ and bimetal‐modified (Pt, Cu, Ag) titanium(IV) oxide photocatalysts were prepared by chemical reduction method and characterized using XRD, XPS, DR/UV‐Vis, BET and TEM analysis. The effect of incident light, type and content of mono‐ and bimetallic...
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Opinia o konspekcie pracy doktorskiej Agnieszki Januszkiewicz pt. Architektura murowanych cerkwi wojskowych dawnego Królestwa Polskiego i jej przekształcenia 1815-2015
PublicationOpinia przedstawia uwagi merytoryczne do tematyki i sposobu sformułowania tezy pracy