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Search results for: FASTER R-CNN
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Optical Theorem Helps Understand Thresholds of Lasing in Microcavities With Active Regions
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The influence of extracts from Potentilla species on normal human colon cells
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Analytical calculations of scattering lengths for a class of long-range potentials of interest for atomic physics
PublicationWe derive two equivalent analytical expressions for an $l$th partial-wave scattering length $a_{l}$ for central potentials with long-range tails of the form % \begin{math} \displaystyle V(r)=-\frac{\hbar^{2}}{2m}\frac{Br^{n-4}}{(r^{n-2}+R^{n-2})^{2}} -\frac{\hbar^{2}}{2m}\frac{C}{r^{2}(r^{n-2}+R^{n-2})}, \end{math} % ($r\geqslant r_{s}$, $R>0$). % For $C=0$, this family of potentials reduces to the Lenz potentials discussed in...
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Efficient method for octahedral NH2-MIL-125 (Ti) synthesis: Fast and mild conditions
PublicationA new hot injection method for preparing octahedral NH2-MIL-125 (Ti) was developed. This method is six times faster and conducted under milder conditions, i.e., at 120°C in a flask, and exhibits higher crystal formation efficiency than the commonly used solvothermal method while maintaining comparable structural, optical, and photocatalytic properties.
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A Computationally Efficient Model for Predicting Successful Memory Encoding Using Machine-Learning-based EEG Channel Selection
PublicationComputational cost is an important consideration for memory encoding prediction models that use data from dozens of implanted electrodes. We propose a method to reduce computational expense by selecting a subset of all the electrodes to build the prediction model. The electrodes were selected based on their likelihood of measuring brain activity useful for predicting memory encoding better than chance (in terms of AUC). A logistic...
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The complete stereochemistry of the antibiotic candicidin A3 (syn. ascosin A3, levorin A3)
PublicationHerein, the stereostructure of the aromatic heptaene macrolide (AHM) antifungal antibiotic candicidin A3 (syn. ascosin A3, levorin A3) has been established upon the 2D NMR studies, consisting of DQF-COSY, TOCSY, ROESY, HSQC and HMBC experiments, as well as upon extensive molecular dynamics simulations. The geometry of the heptaenic chromophore was defined as: (22E, 24E, 26Z, 28Z, 30E, 32E, 34E). The previously unreported absolute...
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MAX phase ternary carbide derived 2-D ceramic nanostructures [CDCN] as chemically interactive functional fillers for damage tolerant epoxy polymer nanocomposites
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First isolation of polysaccharidic ulvans from the cell walls of freshwater algae
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Carbon nanotubes decorated by mesoporous cobalt oxide as electrode material for lithium-ion batteries
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Change of the Phase Composition and Strength of Al2O3–ZrO2-Ceramic After Hydrothermal Aging
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Comparison of Photocatalytic and Photosensitized Oxidation of Paraben Aqueous Solutions Under Sunlight
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Riboflavin binding protein—Chiral stationary phase: Investigation of retention mechanism
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Applications of the artificial intelligence methods for modeling of the ACAlSi7Cu alloy crystallization process
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Stark effect of atomic helium second triplet series in electric fields up to 1600 kV cm−1
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Research and Development of Inductive-Resonant Wireless Power Transfer System
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Multiaxial fatigue life assessment in notched components based on the effective strain energy density
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Effect of multiaxial bending-torsion loading on fracture surface parameters in high-strength steels processed by conventional and additive manufacturing
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Multiaxial fatigue behaviour of maraging steel produced by selective laser melting
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Comparison of different one-parameter damage laws and local stress-strain approaches in multiaxial fatigue life assessment of notched components
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Spin probe dynamics in relation to free volume in crystalline organics from ESR and PALS: N-tridecane
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Supported Superparamagnetic Pd/Co Alloy Nanoparticles Prepared from a Silica/Cyanogel Co-gel
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Superconductivity in noncentrosymmetricMg10Ir19B16
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Electronic conduction in (Bi,Pb)–Sr–Ca–Cu–O glass-ceramics
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Successive Orbital Ordering Transitions inNaVO2
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Possible singlet-to-triplet pairing transition inNaxCoO2·yH2O
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Superconductivity in PrBa2Cu3O7−δ single crystals after high-temperature thermal treatment
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Use of mycorrhizal fungi and phosphorus fertilization to improve the yield of onion (Allium cepa L.) plant
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Adhesion of AlCrN coating deposited on TiB2/Ti composites sintered by SPS dedicated for high temperature tribological applications
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Surface quality and topographic inspection of variable compliance part after precise turning
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Recognition of two-phase flow patterns with the use of dynamic image analysis
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Crystal structure and electronic structure of CePt2In7
PublicationWe report a corrected crystal structure for the CePt2In7 superconductor, refined from single crystal x-ray diffraction data. The corrected crystal structure shows a different Pt–In stacking along the c-direction in this layered material than was previously reported. In addition, all of the atomic sites are fully occupied with no evidence of atom site mixing, resolving a discrepancy between the observed high resistivity ratio of...
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Threshold photoelectron spectra of tetrahydrofuran over the energy range 9-29eV
PublicationWykonano pomiary fotoelektronowe widm progowych tetrahydrofuranu C4H8O w zakresie energii fotonów 9-29 eV przy użyciu promieniowania synchrotronowego. Zaobserwowano nowe pasma jonizacyjne w zakresie energii 16-26eV
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DETERMINATION OF SP3 FRACTION IN ta-C COATING USING XPS AND RAMAN SPECTROSCOPY
PublicationThe paper presents results of studies on the structure of tetrahedral amorphous carbon films (ta-C) with a thickness in the range from 20 to 280 nm, deposited using pulsed vacuum arc technique with an electromagnetic Venetian blind plasma filter. The results of the phase structure analysis, obtained using visible Raman spectroscopy and UV Raman spectroscopy methods, showed a strong dependence of the results on the presence, on...
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Lateral diffusion coefficients in membranes measured by resonance energy transfer and a new algorithm for diffusion in two dimentions
PublicationOpisano wyniki pomiarów współczynników dyfuzji w membranach przy wykorzystaniu rezonansowego przekazywania energii wzbudzania. Donorem był kompleks metaloorganiczny renu o czasie życia ok. 3ćs, co pozwalało na pomiary współczynników dyfuzji mniejszych od 10 cm2/s. Zmierzono współczynniki dyfuzji w membranach typu DMPG i DOPC w różnych temperaturach.
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Toxoplasma gondii: Enzyme-Linked Immunosorbent Assay using different fragments of recombinant microneme protein 1 (MIC1) for detection of immunoglobulin G antibodies
PublicationTrzy rekombinantowe fragmenty białka antygenowego MIC1 Toxoplasma gondii (r-MIC1ex2, r-MIC1ex34 i r-MIC1) zostały wyprodukowane jako białka fuzyjne (zawierające dwie domeny oligohistydynowe na N- i C-końcu) w komórkach bakteryjnych Escherichia coli. Homogenne preparaty antygenów rekombinantowych otrzymane z zastosowaniem jednoetapowego oczyszczania metodą chromatografii metalopowinowactwa, wykorzystano następnie do immunoidentyfikacji...
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Dwa prestiżowe stanowiska dr Anny Wałek, dyrektor Biblioteki PG
PublicationArtykuł prezentuje sukcesy zawodowe dr Anny Wałek, Dyrektor Biblioteki Politechniki Gdańskiej, która w 2021 r. została wybrana na Prezydenta International Association of University Libraries (od stycznia 2022 r.) oraz Przewodniczącą Rady Dyrektorów Polskiej Grupy Użytkowników systemu VIRTUA (od czerwca 2021 r.)
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Robust and Efficient Machine Learning Algorithms for Visual Recognition
PublicationIn visual recognition, the task is to identify and localize all objects of interest in the input image. With the ubiquitous presence of visual data in modern days, the role of object recognition algorithms is becoming more significant than ever and ranges from autonomous driving to computer-aided diagnosis in medicine. Current models for visual recognition are dominated by models based on Convolutional Neural Networks (CNNs), which...
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Resonant Conditions in a Node with an SVC Compensator
PublicationThe primary purpose of installing static shunt compensators in power grids is to improve the voltage conditions. Additional reactive power sources increase the system’s voltage stability and enable faster system recovery after a voltage failure. This paper presents the impact of an SVC device’s structure and settings on impedance change in the supply system, and hence on the frequencies at which resonance phenomena can develop.
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Pi of the Sky – all-sky, real-time search for fast optical transients
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Acceleration of Electromagnetic Simulations on Reconfigurable FPGA Card
PublicationIn this contribution, the hardware acceleration of electromagnetic simulations on the reconfigurable field-programmable-gate-array (FPGA) card is presented. In the developed implementation of scientific computations, the matrix-assembly phase of the method of moments (MoM) is accelerated on the Xilinx Alveo U200 card. The computational method involves discretization of the frequency-domain mixed potential integral equation using...
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Photodegradation of Benzo-[a]-pyrene on the Surface of the Photocatalytic Paints and Analysis of the Degradation Products
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Superconducting properties of under- and over-doped BaxK1−xBiO3 perovskite oxide
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Filling of carbon nanotubes for bio‐applications
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Iron filled singlewalled carbon nanotubes – synthesis and characteristic properties
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Identification, characterization and purification of the lantibiotic staphylococcin T, a natural gallidermin variant
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Management and protection system for superconducting tokamak
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<title>MatLab script to C code converter for embedded processors of FLASH LLRF control system</title>
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Some properties of Nd and Er complexes with 1,2,3,4,5,6-benzenehexacarboxylic (mellitic) acid
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Apoptosis induction in C32 human melanoma cells by Jasione montana and its main phytoconstituents
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Style Transfer for Detecting Vehicles with Thermal Camera
PublicationIn this work we focus on nighttime vehicle detection for intelligent traffic monitoring from the thermal camera. To train a Convolutional Neural Network (CNN) detector we create a stylized version of COCO (Common Objects in Context) dataset using Style Transfer technique that imitates images obtained from thermal cameras. This new dataset is further used for fine-tuning of the model and as a result detection accuracy on images...