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Experimental and Numerical Study on Pounding of Structures in Series
PublikacjaPounding between structures in series during earthquakes may cause serious damage in the structural elements. The aim of this paper is to show the results of an experimental and numerical study that is focused on pounding between more than two structures which may be described as “structures in series”. In this study, the shaking table experiments, as well as the numerical analyses, were performed using three tower models including...
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On dynamic modeling of piezomagnetic/flexomagnetic microstructures based on Lord–Shulman thermoelastic model
PublikacjaWe study a time-dependent thermoelastic coupling within free vibrations of piezomagnetic (PM) microbeams considering the flexomagnetic (FM) phenomenon. The flexomagneticity relates to a magnetic field with a gradient of strains. Here, we use the generalized thermoelasticity theory of Lord–Shulman to analyze the interaction between elastic deformation and thermal conductivity. The uniform magnetic field is permeated in line with...
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Resonances and Dissociative Electron Attachment in HNCO
PublikacjaIn a combined experimental and theoretical study, we probe the dissociative electron attachment in isocyanic acid HNCO. The experimental absolute cross section for the NCO− fragment shows a sharp onset and fine structures near the threshold. The autoionizing state responsible for the dissociative attachment is found in both the R-matrix calculation and using analytic continuation in the coupling constant. The involved A' resonance...
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The OpenMolcas Web: A Community-Driven Approach to Advancing Computational Chemistry
Dane BadawczeThe developments of the open-source OpenMolcas chemistry software environment since spring 2020 are described, with a focus on novel functionalities accessible in the stable branch of the package or via interfaces with other packages. These developments span a wide range of topics in computational chemistry and are presented in thematic sections: electronic...
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PULSE and ECG measurement from the hand with elbows in the air - Man 29 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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Minimal number of periodic points for smooth self-maps of simply-connected manifolds
Dane BadawczeThe problem of finding the minimal number of periodic points in a given class of self-maps of a space is one of the central questions in periodic point theory. We consider a closed smooth connected and simply-connected manifold of dimension at least 4 and its self-map f. The topological invariant D_r[f] is equal to the minimal number of r-periodic points...
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PULSE and ECG measurement from the hand with elbows to the body - Man 29 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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PULSE and ECG measurement from the hand with elbows in the air - Man 53 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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PULSE and ECG measurement from the hand with elbows to the body - Man 30 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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PULSE and ECG measurement from the hand with elbows to the body - Man 53 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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Mechanical properties of single V2O5 nanocrystal - nanoindentation measurement in control of the max-load
Dane BadawczeThe DataSet contains the nanoindentation curves (indentation force Fn vs penetrationPd) for a single V2O5 nanocrystal supported on a substrate. The measurements were performed in control of the maximum load of Berkovich indenter force from 2 to 50 mN.
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PULSE and ECG measurement from the hand with elbows in the air - Man 30 age
Dane BadawczeThe data set presents the measurements of the pulse and the ECG signal from the hand made with the use of a proprietary measuring system based on the AD8232 chip, a set of green diode and a phototransistor made on the STM32 microcontroller. Thanks to such a constructed device, it is possible to measure the ECG signal in a non-standard way - from the...
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Mechanical properties of single V2O5 nanocrystal - nanoindentation measurement in control of the max-depth
Dane BadawczeThe DataSet contains the nanoindentation curves (indentation force Fn vs penetrationPd) for a single V2O5 nanocrystal supported on a substrate. The measurements were performed in control of the maximum depth of Berkovich indenter penetration: 60, 70, and 100 nm.
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An Efficient Framework For Fast Computer Aided Design of Microwave Circuits Based on the Higher-Order 3D Finite-Element Method
PublikacjaIn this paper, an efficient computational framework for the full-wave design by optimization of complex microwave passive devices, such as antennas, filters, and multiplexers, is described. The framework consists of a computational engine, a 3D object modeler, and a graphical user interface. The computational engine, which is based on a finite element method with curvilinear higher-order tetrahedral elements, is coupled with built-in...
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Voltage and Reactive Power Load Flow Optimization in the Power System Using Fuzzy Logic
PublikacjaThe paper presents issues related to voltage control in the power system. An original method of reactive power flow optimization is considered, which leads to improved voltages in the power system and reduced active power losses. The optimization method is based on a procedure that employs fuzzy logic and is supported by a gradient search algorithm. The method has been implemented in PLANS software and verified.
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Rapid design optimization of compact couplers using response features and adjoint sensitivities
PublikacjaA technique for rapid EM-driven design optimization of compact microwave couplers is presented. Our approach exploits response features and adjoint sensitivities and allows for low-cost design closure both in terms of performance enhancement and structure miniaturization. It is demonstrated using a compact rat-race coupler working at 1 GHz and compared to adjoint-based gradient optimization.
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Vibration Surveillance System with Variable Stiffness Holder for Milling Flexible Details
PublikacjaEfficient milling of the flexible details (i.e. rotor blades, thin-walled elements) using slender ball-end tools is a difficult task due to possibility of vibration occurrence. Because of the existence of certain conditions (small depths of cutting, regeneration phenomena), cutting process may lose stability and self-excited chatter vibration may appear. Frequency of the chatter vibration is close to dominant natural frequency...
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Personalized prediction of the secondary oocytes number after ovarian stimulation: A machine learning model based on clinical and genetic data
PublikacjaControlled ovarian stimulation is tailored to the patient based on clinical parameters but estimating the number of retrieved metaphase II (MII) oocytes is a challenge. Here, we have developed a model that takes advantage of the patient’s genetic and clinical characteristics simultaneously for predicting the stimulation outcome. Sequence variants in reproduction-related genes identified by next-generation sequencing were matched...
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Jakub Szulwic dr inż.
OsobyJakub Szulwic (ur. 23 grudnia 1974 w Bydgoszczy) – geodeta uprawniony, specjalizujący się w zakresie pomiarów i oceny geometrii obiektów inżynierskich szczególnie z wykorzystaniem metod fotogrametrii inżynieryjnej i skaningu laserowego; zajmuje się geomatyką i geoinformtyką. Autor ponad 100 publikacji naukowych, w tym 50 indeksowanych w Web of Science (h-index =15). W 1993 roku ukończył klasę o profilu mat-fiz i zdał maturę w Liceum...
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Online urban acoustic noise monitoring system
PublikacjaConcepts and implementation of the Online Urban Noise Monitoring System are presented. Principles of proposed solution used for dynamic acoustical maps creating are discussed. The architecture of the system and the data acquisition scheme are described. The concept of noise mapping, based on noise source model and propagation simulations, was developed and employed in the system. Dynamic estimation of noise source parameters utilized...
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AMP w narciarstwie alpejskim
WydarzeniaAkademickie Mistrzostwa Polski w narciarstwie alpejskim
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AMP w Trójboju Siłowym
WydarzeniaAkademickie Mistrzostwa Polski w Trójboju Siłowym
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AMP w Koszykówce Kobiet
WydarzeniaPółfinał A Akademickich Mistrzostw Polski w Koszykówce Kobiet
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AMP w Aerobiku Sportowym
WydarzeniaAkademickie Mistrzostwa Polski w Aerobiku Sportowym
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AMP w Brydżu Sportowym
WydarzeniaAkademickie Mistrzostwa Polski w Brydżu Sportowym
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AMP w Aerobiku Sportowym
WydarzeniaAkademickie Mistrzostwa Polski w Aerobiku Sportowym
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AMP we Wspinaczce Sportowej
WydarzeniaAkademickie Mistrzostwa Polski we Wspinaczce Sportowej
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AMP we Wspinaczce Sportowej
WydarzeniaAkademickie Mistrzostwa Polski we Wspinaczce Sportowej
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AMP w Brydżu Sportowym
WydarzeniaAkademickie Mistrzostwa Polski w Brydżu Sportowym
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AMP w Biegach Przełajowych
WydarzeniaAkademickie Mistrzostwa Polski w Biegach Przełajowych
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AMP w Trójboju Siłowym
WydarzeniaAkademickie Mistrzostwa Polski w Trójboju Siłowym
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AMP w Karate WKF
WydarzeniaAkademickie Mistrzostwa Polski w Karate WKF
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AMP w Koszykówce 3x3
WydarzeniaAkademickie Mistrzostwa Polski w Koszykówce 3x3 kobiet i mężczyzn
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AMP w Strzelectwie Sportowym
WydarzeniaAkademickie Mistrzostwa Polski w Strzelectwie Sportowym
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AMP w Kolarstwie Górskim
WydarzeniaAkademickie Mistrzostwa Polski w Kolarstwie Górskim
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AMP w Piłce Nożnej
WydarzeniaPółfinał A Akademickich Mistrzostw Polski w Piłce Nożnej
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AMP we Wspinaczce Sportowej
WydarzeniaAMP we Wspinaczce Sportowej
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AMP w Ergometrze Wioślarskim
WydarzeniaAkademickie Mistrzostwa Polski w Ergometrze Wioślarskim
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AMP w Koszykówce Mężczyzn
WydarzeniaPółfinał A Akademickich Mistrzostw Polski w Koszykówce Mężczyzn
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AMP w Koszykówce Mężczyzn
WydarzeniaFinał Akademickich Mistrzostw Polski w Koszykówce Mężczyzn
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AMP w Koszykówce Kobiet
WydarzeniaFinał Akademickich Mistrzostw Polski w Koszykówce Kobiet
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AMP w Lekkiej Atletyce
WydarzeniaAkademickie Mistrzostwa Polski w Lekkiej Atletyce
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AMP w Kolarstwie Górskim
WydarzeniaAkademickie Mistrzostwa Polski w Kolarstwie Górskim
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AMP w Lekkiej Atletyce
WydarzeniaAkademickie Mistrzostwa Polski w Lekkiej Atletyce
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AMP w Kolarstwie Górskim
WydarzeniaAkademickie Mistrzostwa Polski w Kolarstwie Górskim
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AMP w Fulsalu Mężczyzn
WydarzeniaAMP w Fulsalu Mężczyzn - Półfinał A
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AMP w Tenisie Stołowym
WydarzeniaFinał Akademickich Mistrzostw Polski w Tenisie Stołowym
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Józef Kotus dr hab. inż.
Osoby -
Sea surface temperature distribution during upwelling along the Polish Baltic coast
PublikacjaAmong over 150 maps of sea surface temperature in the Polish Baltic coastal region derived from satellite data during the warm period of the year (April-October) in 2000-2002, 41 cases were noted where its distribution showed characteristic features indicating the occurrence of coastal upwelling. The fundamental parameters of range, probability of occurrence and temperature modification caused by water from deeper sea layers...
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A note on an approximative scheme of finding almost homoclinic solutions for Newtonian systems
PublikacjaIn this work we will be concerned with the existence of an almost homoclinic solution for a perturbed Newtonian system in a finite dimensional space. It is assumed that a potential is C^1 smooth and its gradient is bounded with respect to a time variable. Moreover, a forcing term is continuous, bounded and squere integrable. We will show that the appproximative scheme due to J. Janczewska for a time periodic potential extends to...