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Reliability of production machines in the bakery industry – theoretical and practical issues
PublikacjaThe aim of the article is to present probabilistic models, which were then used to analyze the reliability of production machines in the baking industry. The author conducted research in the period from January 2, 2016 to December 31, 2018 regarding the measurement of reliability of a traditional production system based on a probabilistic concept. Due to the limited scope of the article, reliability calculations for a set of thermo-oil...
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Monitoring of Velocity of Manufacturing Machines Subassamblieas by Means of a DAQ System
PublikacjaArtykuł dotyczy dokładnych cyfrowych pomiarów prędkości ruchu podzespołów maszyn, realizowanych za pomocą enkoderów kwadraturowych, kart licznikowych DAQ oraz dedykowanych aplikacji pomiarowych DAQ. Przedstawiono koncepcje trzech różnych sposobów takiego pomiaru. W pierwszym sposobie, nazywanym ''częstotliwościowym'', pomiar odbywa się poprzez bramkowane zliczanie impulsów enkodera. Drugi sposób nazywany ''czasowym'' polega na...
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Chemical Theory of Machines, basic principles of strength with examples of calculations
PublikacjaThis book encompasses the essential range of information on technical aspects of mechanical design. It was written primarily for the students and staff of chemistry faculties of technical universities, yet it may also be utilized by everyone, who ether would like to try or already enjoys designing, but cannot take advantage of typical stress & machine construction handbooks. These handbooks often require familiarity with the concepts...
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On the fast BSS transition algorithms in the IEEE 802.11r local area wireless networks
PublikacjaHandover performance is critical to support multimedia services that are becoming increasingly available over the wireless devices. The high transition delay can be unaccepted for such services or can be a source of disruption on the session. On the other side, IEEE 802.11 standard is being extended with new functionalities. Security and QoS features, included in recent IEEE 802.11-2007 standard, add management frames that are...
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Performance evaluation of IEEE 802.11 fast BSS transition algorithms
PublikacjaSimultation experiments are conducted to answer the questions if multimedia services can be properly supported in IEEE 802.11r networks. The authors prove that handover delay can be reduced to 22 ms in the average case.
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Simultaneous handover scheme for IEEE 802.11 WLANs with IEEE 802.21 tiggers
PublikacjaHandover performance in wireless networks is important, especially nowadays, when multimedia services are becoming increasingly available over the wireless devices. However, users expect uncompromised mobility when using the service. Thus, the support of multimedia services is not possible if handover is inefficient. At the same time it is clear that a strict separation between IP Layer and the Link Layer results in built-in sources...
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Efficient handover scheme for Mobile IPv4 over IEEE 802.11 networks with IEEE 802.21 triggers.
PublikacjaEfektywność przełączania jest bardzo istotnym parametrem, decydującym o pracy sieci bezprzewodowych, realizujacych usługi multimedialne na wysokim poziomie jakości. Użytkownicy takich sieci oczekują ciągłej obsługi podczas procesu przemieszczania się. Okazuje się, że istotnym źródlem opóźnień są nieefektywne procedury przełączania w warstwach drugiej i trzeciej, wynikający częściowo z postulatu o separacji funkcji realizowanych...
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Foundations and Trends in Machine Learning
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International Journal of Machine Intelligence
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Machine Learning and Knowledge Extraction
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Machine Learning-Science and Technology
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Linking Macro- and Micro-structural Analysis with Luminescence Control in Oxynitride Phosphors for Light-Emitting Diodes
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Interfacially modified LDPE/GTR composites with non-polar elastomers: From microstructure to macro-behavior
PublikacjaThis paper provides some new insights into the mechanism of interaction and modifications in thermoplastic composites based on low density polyethylene (LDPE), ground tire rubber (GTR) and non-polar elastomer. The composites were prepared using a co-rotating twin-screw extruder at variable LDPE/GTR ratio and constant elastomer content. Two types of commercial elastomer were applied: styrene-butadiene-styrene (SBS) block copolymers (Kraton®)...
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Towards Changes of Macro-Economic Structures in Middle Eastern Countries. Empirical Evidence for 1970–2018
PublikacjaMiddle East countries share a wide bundle of specific structural economic features and one of the latest is a high dependency of these economies on fossil fuels, which is quantitatively demonstrated through the share of oil and gas revenues in total export, but also in gross domestic product composition. This high economic dependency on natural resources on one hand has recently generated a material wealth of Middle Eastern countries...
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A Quantitative Investigation of Dislocation Density in an Al Matrix Composite Produced by a Combination of Micro-/Macro-Rolling
PublikacjaAn aluminum matrix composite with dispersed carbon nanotubes (CNTs) was produced via flake powder metallurgy using a micro-rolling process and vacuum hot pressing (VHP), followed by conventional rolling using a macro-rolling process. The microstructure and mechanical properties of the produced composites were studied. In addition, a new quantitative model was introduced to study the dislocation density based on the microstructural...
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Synteza i właściwości emulgatorów - estrowych pochodnych glicerolu i glikolu propylenowego, otrzymywanych w obecności wybranych karboksylanów.
Publikacja.
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Wieloletnie obserwacje soplówki jeżowatej Hericium erinaceum (Bull.: Fr.) Pers. (macromycetes) na stanowisku w Lasach Oliwskich (Trójmiejski Park Krajobrazowy) = Long-term observation of bearded tooth fungus Hericium erinaceum (Bull.: Fr.) Pers. (macromycetes) in Oliwskie Forests (Trójmiejski Landscape Park)
PublikacjaW pracy omówiono soplówkę jeżowatą oraz podano miejsca jej występowania w kraju i za granicą. Szczegółowo opisano stanowisko soplówki jeżowatej w Lasach Oliwskish w Trómiejskim Parku Krajobrazowym.
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Fundamentals of Machine Design II, PG_00050280, DaPE, sem. letni, 2023/24
Kursy Online -
Wound healing migration assay
Dane BadawczeThe dataset presents the quantified percentage of wound closure, measured using ImageJ software. The progression of wound width over time was assessed following the treatment of A549, H226, and H460 cells with selected anthraquinones.
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Analysis of cell cycle distribution
Dane BadawczeThe dataset comprehensively details the distribution of A549, H226, and H460 cell lines in various cell cycle phases following treatment with the IC90 concentration of selected anthraquinones. The analysis was performed using the Flowing Software 2.
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Study of proapoptotic activity of anthraquinone derivatives towards A549 cancer cells using flow cytometry
Dane BadawczeThis study presents the fluorescence intensity of Annexin V/7AAD and caspase 3/7 which correspond to the proapoptotic activity of anthraquinone derivatives towards A549 cancer cells.
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Analysis of induction of DNA DSBs on telomeres in A549 cells
Dane BadawczeData consist of an analysis of DNA DSBs on telomeres. A549 were treated with compounds (TXT4, MTX, DMSO) at IC90 concentration for the indicated time. Images were acquired with an LSM 800 inverted laser scanning confocal microscope (Carl Zeiss; Dresden, Germany) equipped with an Airyscan detector using a ×63 1.4 NA Plan Apochromat objective (Carl Zeiss)....
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Flow cytometry analysis of DNA DSBs in telomerase positive and negative cell lines after treatment with TXT2 and TXT4
Dane BadawczeFlow cytometry analysis of DNA DSBs in telomerase positive (A549, H460) and negative (NHBE2594, U2OS) cell lines after treatment with equitoxic concentrations of TXT2 and TXT4. MTX and DMSO were used as positive and negative controls, respectively.
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Confocal microscopy analysis of DNA DSB in telomerase negative cells after exposure to TXT2 and TXT4
Dane BadawczeThe data sets contain confocal microscopic images showing the γ-H2AX with TRF2 after treatment of NHBE and U2OS cell lines with TXT2 and TXT4 in equitoxic concentrations. Images were acquired with an LSM 800 inverted laser scanning confocal microscope (Carl Zeiss; Dresden, Germany) equipped with an Airyscan detector using a ×63 1.4 NA Plan Apochromat...
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H226 cancer cell
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H226 cancer cells.
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Western blot analysis of DDR- and apoptosis-related proteins of A549 and H460 cells after exposure to TXT2 and TXT4
Dane BadawczeThe data set contains full-length blot images of DDR- and apoptosis-related proteins of A549 and H460 cells after exposure to TXT2 and TXT4.
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The analysis of the expression of hTERT in anthraquinone-treated NSCLC cells
Dane BadawczeThe datasets showcase an analysis of hTERT relative gene expression in NSCLC cells treated with anthraquinone, quantified as fold change compared to DMSO-treated control cells, using the comparative CT method.
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The effect of anthraquinone derivatives (C1-C9) on telomerase activity
Dane BadawczeThe data set contains images of the PCR products obtained from the Telomerase Repeated Amplification Protocol (TRAP). The effect of anthraquinone derivatives (C-C9) on telomerase activity was analyzed using lysates from drug-treatedcancer cell line.
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Microscopy analysis of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4
Dane BadawczeThe data set contains live-cell imaging of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4. Cells were exposed for 6 h to the tested compounds at their IC90 concentration or to DMSO. Then, mitochondrial labelling was performed by incubating the cells with a MitoTracker Green FM probe (Thermo Fisher Scientific) and Hoechst 33342 (Thermo...
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Analysis of cellular senescence following anthraquinone treatment in A549, H226, and H460 cells
Dane BadawczeThe datasets comprise microscopic images of A549, H226, and H460 cells following treatment with anthraquinones and staining with senescence-associated β-galactosidase. The images were captured using an Olympus BX60 microscope (Tokyo, Japan).
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards A549 cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards A549 cancer cells.
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Study of the ability of TXT-compounds to promote telomeric G4 DNA thermal stabilization using FRET melting assay
Dane BadawczeThe data set contains a DNA melting screen obtained from the FRET melting assay. Thermal stabilities of G-quadruplex structures were analysed in the presence and in absence of ligands. TMPyP4 and MTX were used as references. Measurements were carried out in triplicate using a LightCycler 480 thermocycler (Roche Life Science) with a filter setting of...
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Flow cytometry analysis of caspase 3/7 activation in A549, H460 and U2OS cells after exposure to TXT2 and TXT4
Dane BadawczeThe data contains flow cytometry analysis of caspase 3/7 activation in A549, H460 and U2OS cells after exposure to equitoxic concentrations of TXT2 and TXT4. DMSO and MTX were used as positive and negative controls, respectively. Caspase 3/7 activity was detected using CellEvent™ Caspase-3/7 Green Flow Cytometry Assay Kit (#C10427, Thermo Fisher Scientific)....
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards NHBE normal cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards NHBE normal cells.
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The effect of anthraquinone derivatives on telomerase activity
Dane BadawczeThe data set contains images of the PCR products obtained from the Telomerase Repeated Amplification Protocol (TRAP). The effect of anthraquinone derivatives (TXT1-TXT9) on telomerase activity was comparatively examined using the following reference compounds: BIBR1532, TMPyP4 and mitoxantrone (MTX).
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Cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H460 cancer cell
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of anthraquinone derivatives (Compound 1-9) towards H460 cancer cells.
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Study of proapoptotic activity of anthraquinone derivatives towards H226 cancer cells using flow cytometry
Dane BadawczeThis study presents the fluorescence intensity of Annexin V/7AAD and caspase 3/7 which correspond to the proapoptotic activity of anthraquinone derivatives towards H226 cancer cells.
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Antiproliferative activity of anthraquinones determined by clonogenic assay
Dane BadawczeThe data contains the colony formation analysis in A549, H460 and H226 cells after exposure to TXT2 and TXT4. DMSO was used as a negative control.
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Western blot analysis of autophagy-related proteins of A549, H226 and H460 cells after exposure to C4
Dane BadawczeThe dataset includes measurements of the density of autophagy-related proteins in A549, H226, and H460 cell lines following exposure to compound C4.
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Dispersion compensation in optical coherence tomography
PublikacjaDyspersja wprowadzana przez system optycznej tomografii koherentnej (OCT) oraz badane obiekty powoduje zniekształcenia fazowe w zależności od długości fali widma promieniowania zastosowanego źródła optycznego. powoduje to rozmycie obrazów otrzymanych przekrojów badanych materiałów pogarszając właściwości metrologiczne systemu OCT. W artykule przedstawiono metody kompensacji dyspersji w systemie OCT oraz przedyskutowano ich właściwości.
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Polarization state analysis in optical coherence tomography
PublikacjaW artykule zaprezentowano metody analizy stanu polaryzacji światła w systemach optycznej tomografii kohererentnej. Przedstawiono różne konfiguracje systemu PS-OCT wraz z ich parametrami oraz właściwościami. Omówiono zasadę pomiaru stanu polaryzacji ściatła przy użyciu systemu PS-OCT oraz przeprowadzono dyskusję nad przydatnością metody do badania struktury materiałów silnie rozpraszających promieniowanie.
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Polarization sensitive optical coherence tomography system
PublikacjaW pracy pokazano system OCT czuły na stan polaryzacji do pomiaru właściwości dwójłomnych wybranych ośrodków rozpraszających światło. W systemie zastosowano detekcję zrównoważoną. Pokazano wstępne wyniki pomiarowe.
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A Fail-Safe NVRAM Based Mechanism for Efficient Creation and Recovery of Data Copies in Parallel MPI Applications
PublikacjaThe paper presents a fail-safe NVRAM based mechanism for creation and recovery of data copies during parallel MPI application runtime. Specifically, we target a cluster environment in which each node has an NVRAM installed in it. Our previously developed extension to the MPI I/O API can take advantage of NVRAM regions in order to provide an NVRAM based cache like mechanism to significantly speed up I/O operations and allow to preload...
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EU Project of LIFE Programme ‘Algae Service for LIFE’ Develops Ecologicaly Sustainable Bioproducts from Freshwater Cyanobacteria and Macroalgae Biomas
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Maciej Matciak doktor
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Application of Syntactic Pattern Recognition Approach in Design and Optimisation of Group Machining Systems
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Surface texture formation in precision machining of direct laser deposited tungsten carbide
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Artificial intelligence systems for tool condition monitoring in machining: analysis and critical review
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Surface roughness analysis after machining of direct laser deposited tungsten carbide
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Studies on the influence of technological variants of finishing machining on flow of parts in flexible manufacturing
PublikacjaIn the article below the problems of influence of variants of finishing processing on flow of machining parts in flexible manufacturing system were presented. The investigations were carried out the technological processes for piston rods and rams of hydraulic cylinders. There were also presented model variants of technological processes for piston rods finished with the burnishing. In these studies the influence of technological...