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Search results for: ALE
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Study of the process of tool forming made of high-strength materials
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Ways to implement hybrid finishing technology with a hand-held rotary tool
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Progress towards a unified approach to entanglement distribution
PublicationEntanglement distribution is key to the success of secure communication schemes based on quantum mechanics, and there is a strong need for an ultimate architecture able to overcome the limitations of recent proposals such as those based on entanglement percolation or quantum repeaters. In this work we provide a broad theoretical background for the development of such technologies. In particular, we investigate the question of whether...
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Structure of the Resource Theory of Quantum Coherence
PublicationQuantum coherence is an essential feature of quantum mechanics which is responsible for the departure between the classical and quantum world. The recently established resource theory of quantum coherence studies possible quantum technological applications of quantum coherence, and limitations that arise if one is lacking the ability to establish superpositions. An important open problem in this context is a simple characterization...
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Laplace domain BEM for anisotropic transient elastodynamics
PublicationIn this paper, we describe Laplace domain boundary element method (BEM) for transient dynamic problems of three-dimensional finite homogeneous anisotropic linearly elastic solids. The employed boundary integral equations for displacements are regularized using the static traction fundamental solution. Modified integral expressions for the dynamic parts of anisotropic fundamental solutions and their first derivatives are obtained....
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Structural, electrical, and magnetic study of La-, Eu-, and Er- doped bismuth ferrite nanomaterials obtained by solution combustion synthesis
PublicationIn this work, the multiferroic bismuth ferrite materials Bi0.9RE0.1FeO3 doped by rare-earth (RE = La, Eu, and Er) elements were obtained by the solution combustion synthesis. Structure, electrical, and magnetic properties of prepared samples were investigated by X-ray photoelectron spectroscopy, Mössbauer spectroscopy, electrical hysteresis measurement, broadband dielectric spectroscopy, and SQUID magnetometry. All obtained nanomaterials...
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Smart platforms for collaborative urban design and peer-to-peer sharing of resources
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Micronutrient deficiency with skin and systemic symptoms: a case report of acrodermatitis enteropathica
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Silver nanoparticles induce premutagenic DNA oxidation that can be prevented by phytochemicals from Gentiana asclepiadea
PublicationAmong nanomaterials, silver nanoparticles (AgNPs) have the broadest and most commercial applications due to their antibacterial properties, highlighting the need for exploring their potential toxicity and underlying mechanisms of action. Our main aim was to investigate whether AgNPs exert toxicity by inducing oxidative damage to DNA in human kidney HEK 293 cells. In addition, we tested whether this damage could be counteracted...
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Mechanical properties cement based composites modified with nano-Fe3O4/SiO2
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Comparative genomics and functional analysis of a highly adhesive dairy Lactobacillus paracasei subsp. paracasei IBB3423 strain
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Deproteinated Potato Wastewater as a Sustainable Nitrogen Source in Trichosporon domesticum Yeast Lipids Biosynthesis—a Concept of Valorization of Wastewater from Starch Industry
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Identification and characterization of tetracycline resistance in Lactococcus lactis isolated from Polish raw milk and fermented artisanal products
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Multi-layered tissue head phantoms for noninvasive optical diagnostics
PublicationExtensive research in the area of optical sensing for medical diagnostics requires development of tissue phantoms with optical properties similar to those of living human tissues. Development and improvement of in vivo optical measurement systems requires the use of stable tissue phantoms with known characteristics, which are mainly used for calibration of such systems and testing their performance over time. Optical and mechanical...
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Performance Analysis of Interaction between Smart Glasses and Smart Objects Using Image-Based Object Identification
PublicationWe propose the use of smart glasses to collaborate with smart objects in the Internet of Things environment. Particularly we are focusing on new interaction methods and the analysis of acceptable reaction times in the process of object recognition using smart glasses. We evaluated the proposed method using user studies and experiments with three different smart glasses: Google Glass, Epson Moverio, and the developed eGlasses platform....
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A comparison of indexing methods to evaluate quality of horticultural soils. Part II. sensitivity of soil microbiological indicators
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A comparison of indexing methods to evaluate quality of soils: the role of soil microbiological properties
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The potential interaction of environmental pollutants and circadian rhythm regulations that may cause leukemia
PublicationTumor suppressor genes are highly affected during the development of leukemia, including circadian clock genes. Circadian rhythms constitute an evolutionary molecular machinery involving many genes, such as BMAL1, CLOCK, CRY1, CRY2, PER1, PER2, REV-ERBa, and RORA, for tracking time and optimizing daily life during day-night cycles and seasonal changes. For circulating blood cells many of these genes coordinate their proliferation,...
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Energetics of formation and stability in high pressure steam of barium lanthanide cobaltite double perovskites
PublicationThis study concerns energetics of formation and the stability in high water partial pressure of BaLnCo2O6−δ, (Ln = La, Pr, Nd, and Gd) (BLnC) and BaGd1−xLaxCo2O6−δ, where x = 0.2, 0.5, and 0.7 (BGLC) double perovskite cobaltites. Those materials are extensively studied due to their potential applications as a positrode in electrochemical devices. Therefore, their stability under such conditions is a key issue. All investigated...
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Intra-subject class-incremental deep learning approach for EEG-based imagined speech recognition
PublicationBrain–computer interfaces (BCIs) aim to decode brain signals and transform them into commands for device operation. The present study aimed to decode the brain activity during imagined speech. The BCI must identify imagined words within a given vocabulary and thus perform the requested action. A possible scenario when using this approach is the gradual addition of new words to the vocabulary using incremental learning methods....
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Tensor Decomposition for Imagined Speech Discrimination in EEG
PublicationMost of the researches in Electroencephalogram(EEG)-based Brain-Computer Interfaces (BCI) are focused on the use of motor imagery. As an attempt to improve the control of these interfaces, the use of language instead of movement has been recently explored, in the form of imagined speech. This work aims for the discrimination of imagined words in electroencephalogram signals. For this purpose, the analysis of multiple variables...
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Transfer learning in imagined speech EEG-based BCIs
PublicationThe Brain–Computer Interfaces (BCI) based on electroencephalograms (EEG) are systems which aim is to provide a communication channel to any person with a computer, initially it was proposed to aid people with disabilities, but actually wider applications have been proposed. These devices allow to send messages or to control devices using the brain signals. There are different neuro-paradigms which evoke brain signals of interest...
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Highly porous nanoberyllium for X-ray beam speckle suppression
PublicationThe speckle suppressor device containing highly porous nanoberyllium is proposed for manipulating with the spatial coherence length and removing undesirable speckle structure during the imaging experiments. We report a special device called the speckle suppressor, which contains the highly porous nanoberyllium plate, compacted from both sides by two beryllium windows. By insertion the speckle suppressor in the X-ray beam it allows...
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The agr function and polymorphism: Impact on Staphylococcus aureus susceptibility to photoinactivation
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Aleksandra Dorota Mielewczyk-Gryń dr hab. inż.
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Aleksandra Magdalena Kasper-Solakiewicz mgr inż. arch.
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Katarzyna Aleksandra Wojdak-Maksymiec dr hab. inż.
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X-ray diffractometry results of the Sr0.86Ti0.65Fe0.35O3 powder
Open Research DataThis dataset contains results of X-ray diffractometry mesurement (XRD) of the Sr0.86Ti0.65Fe0.35O3-d (STF35) powder. The phase composition of the investigated STF35 powder was analyzed by XRD at room temperature. It confirms the formation of the cubic perovskite oxide phase. Calculated average lattice constant is a 3.90882(1) Å, with Goodness of Fit...
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SEM images of Solid Oxide Fuel Cell interface with La0.6Sr0.4Co0.2Fe0.8O3-δ oxygen electrodes sintered at 1050 °C before and after test
Open Research DataThis dataset contains cross section SEM images of Solid Oxide Fuel Cell interface with La0.6Sr0.4Co0.2Fe0.8O3-δ oxygen electrode sintered at 1050 °C before and after test. The cell was tested using Open Flanges™ test Set-up at 700 °C. During the test, the cell was aged for approximately 120 hours at a load of 0.5 A/cm^2. Images were obtained using...
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SEM images of Solid Oxide Fuel Cell interface with Sr0.95Ti0.30Fe0.70O3-d oxygen electrodes sintered at 800 °C before and after test
Open Research DataThis dataset contains cross section SEM images of Solid Oxide Fuel Cell interface with Sr0.95Ti0.30Fe0.70O3-d oxygen electrode sintered at 800 °C before and after test. The cell was tested using Open Flanges™ test Set-up at 700 °C. During the test, the cell was aged for approximately 120 hours at a load of 0.5 A/cm^2. Images were obtained using a FEI...
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SEM images of cross sections of porous Sr0.86Ti0.65Fe0.35O3 oxygen electrodes sintered at different temperatures
Open Research DataThis dataset contains cross sectional images of the porous Sr0.86Ti0.65Fe0.35O3 oxygen electrodes symmetric cells samples interface. Here are presented images of electrodes sintered at 950 °C, 1000 °C and 1050 °C. Images were obtained using a FEI Quanta FEG 250 Scanning Electron Microscope (SEM) with an accelerating voltage of 10 kV in a high vacuum...
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Low temperature electrical conductivity of the SrFeO3-d pellet
Open Research DataThis dataset contains results of low temperature electrical conductivity measurements of dense SrFeO3-d (SFO) pellet. DC electrical conductivity measurements of SFO were performed by the Van der Pauw method between 400 °C and room temperature with 20 °C step. Studies were performed at Synthetic Air flow under humidified (~4 vol%) gas flow rate of 40...
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Dilatometry results of SrTi0.50Fe0.50O3-d powder
Open Research DataThis dataset contains results of dilatometry measurements of SrTi0.50Fe0.50O3-d powder. The investigation of the linear thermal expansion was carried out using a Netzsch DIL402 dilatometer. The SrTi0.50Fe0.50O3-d powder was formed into cylinders and heat up to 1100 °C with a heating rate of 5 °C min−1, dwelled for 15 min, and then cooled at a rate of...
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X-ray diffractometry results of the SrTi0.50Fe0.50O3-d powder
Open Research DataThis dataset contains results of X-ray diffractometry mesurement (XRD) of the SrTi0.50Fe0.50O3-d (STF50) powder after ball milling. The phase composition of the investigated STF50 powder was analyzed by XRD at room temperature. The X-ray diffractometry (XRD) technique was used to determine the phase composition of the fabricated powder. Measurements...
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X-ray diffractometry results of the SrTi0.35Fe0.65O3-d powder
Open Research DataThis dataset contains results of X-ray diffractometry mesurement (XRD) of the SrTi0.35Fe0.65O3-d (STF35) powder after ball milling. The phase composition of the investigated STF35 powder was analyzed by XRD at room temperature. The X-ray diffractometry (XRD) technique was used to determine the phase composition of the fabricated powder. Measurements...
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Low temperature electrical conductivity of the SrTi0.65Fe0.35O3-d pellet
Open Research DataThis dataset contains results of low temperature electrical conductivity measurements of dense SrTi0.65Fe0.35O3-d (STF35) pellet. DC electrical conductivity measurements of STF35 were performed by the Van der Pauw method between 400 °C and room temperature with 20 °C step. Studies were performed at Synthetic Air flow under humidified (~4 vol%) gas...
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Low temperature electrical conductivity of the SrTi0.30Fe0.70O3-d pellet
Open Research DataThis dataset contains results of low temperature electrical conductivity measurements of dense SrTi0.30Fe0.70O3-d (STF70) pellet. DC electrical conductivity measurements of STF70 were performed by the Van der Pauw method between 400 °C and room temperature with 20 °C step. Studies were performed at Synthetic Air flow under humidified (~4 vol%) gas...
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Low temperature electrical conductivity of the SrTi0.50Fe0.50O3-d pellet
Open Research DataThis dataset contains results of low temperature electrical conductivity measurements of dense SrTi0.50Fe0.50O3-d (STF50) pellet. DC electrical conductivity measurements of STF50 were performed by the Van der Pauw method between 400 °C and room temperature with 20 °C step. Studies were performed at Synthetic Air flow under humidified (~4 vol%) gas...
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X-ray diffractometry results of the SrTi0.30Fe0.70O3-d powder
Open Research DataThis dataset contains results of X-ray diffractometry mesurement (XRD) of the SrTi0.30Fe0.70O3-d (STF70) powder after ball milling. The phase composition of the investigated STF70 powder was analyzed by XRD at room temperature. The X-ray diffractometry (XRD) technique was used to determine the phase composition of the fabricated powder. Measurements...
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Selection of material for infiltration of non-stoichiometric Sr0.95Ti0.3Fe0.7O3-δ
Open Research DataThe porous electrodes used for the infiltration were prepared from A-site non-stoichiometric Sr0.95Ti0.3Fe0.7O3-δ synthesized by the conventional solid state reaction method. Screen printed electrodes (0.5 cm2) on CGO-20 substrate, were fired at 800 °C for 2 hours in an air atmosphere. Infiltration of the scaffolds was performed by a water-based precursor...
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Dilatometry results of SrTi0.65Fe0.35O3-d powder
Open Research DataThis dataset contains results of dilatometry measurements of SrTi0.65Fe0.35O3-d powder. The investigation of the linear thermal expansion was carried out using a Netzsch DIL402 dilatometer. The SrTi0.65Fe0.35O3-d powder was formed into cylinders and heat up to 1100 °C with a heating rate of 5 °C min−1, dwelled for 15 min, and then cooled at a rate of...
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Dilatometry results of SrTi0.30Fe0.70O3-d powder
Open Research DataThis dataset contains results of dilatometry measurements of SrTi0.30Fe0.70O3-d powder. The investigation of the linear thermal expansion was carried out using a Netzsch DIL402 dilatometer. The SrTi0.30Fe0.70O3-d powder was formed into cylinders and heat up to 1100 °C with a heating rate of 5 °C min−1, dwelled for 15 min, and then cooled at a rate of...
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Low temperature electrical conductivity of the SrTi0.10Fe0.90O3-d pellet
Open Research DataThis dataset contains results of low temperature electrical conductivity measurements of dense SrTi0.10Fe0.90O3-d (STF90) pellet. DC electrical conductivity measurements of STF90 were performed by the Van der Pauw method between 400 °C and room temperature with 20 °C step. Studies were performed at Synthetic Air flow under humidified (~4 vol%) gas...
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Laser microscope profilometry of (Ce0.80Gd0.20)O1.90 surface before polishing
Open Research DataThe dataset consists of a surface image and topography obtained using a Keyence VK-X1000 confocal laser microscope for (Ce0.80Gd0.20)O1.90 substrate (CGO-20). Imaging was performed to determine surface roughness. The Keyence VK-X1000 uses a 404 nm laser to map and measure the surface of samples via confocal scanning or a wide-field variable focus. The...
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Laser microscope profilometry of (Ce0.80Gd0.20)O1.90 after ∼3 μm surface finish
Open Research DataThe dataset consists of a surface image and topography obtained using a Keyence VK-X1000 confocal laser microscope for (Ce0.80Gd0.20)O1.90 substrate (CGO-20). Imaging was performed to determine surface roughness. The Keyence VK-X1000 uses a 404 nm laser to map and measure the surface of samples via confocal scanning or a wide-field variable focus. The...
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Who Is a Pathologist According to Oncology Patients and Internet Users? A Survey Study
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Surf Zone Currents in the Coastal Zone of the Southern Baltic Sea – a Modelling Approach
PublicationNearshore currents in a multi-bar non-tidal coastal zone environment located in the Southern Baltic Sea are studied. Spatiotemporal seaward-directed jets – so-called rip currents – are an important part of the nearshore current system. In previous research, Dudkowska et al. (2020) performed an extended modelling experiment to determine the wave conditions that are conducive to the emergence of rip currents. In this paper, the...
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Artificial intelligence and productivity: global evidence from AI patent and bibliometric data .
PublicationIn this paper we analyse the relationship between technological innovation in the artificial intelligence (AI) domain and macroeconomic productivity. We embed recently released data on patents and publications related to AI in an augmented model of productivity growth, which we estimate for the OECD countries and compare to an extended sample including non-OECD countries. Our estimates provide evidence in favour of the modern...
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Artificial intelligence and productivity: global evidence from AI patent and bibliometric data
PublicationIn this paper we analyse the relationship between technological innovation in the artificial intelligence (AI) domain and macroeconomic productivity. We embed recently released data on patents and publications related to AI in an augmented model of productivity growth, which we estimate for the OECD countries and compare to an extended sample including non-OECD countries. Our estimates provide evidence in favour of the modern productivity...
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Sonocatalytic degradation of Bisphenol A from aquatic matrices over Pd/CeO2 nanoparticles: Kinetics study, transformation products, and toxicity
PublicationIn this work, different ratios of palladium – cerium oxide (Pd/CeO2) catalyst were synthesized and characterized, while their sonocatalytic activity was evaluated for the degradation of the xenobiotic Bisphenol A (BPA) from aqueous solutions. Sonocatalytic activity expressed as BPA decomposition exhibited a volcano-type behavior in relation to the Pd loading, and the 0.25Pd/CeO2 catalyst characterized by the maximum Pd dispersion...