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Wyniki wyszukiwania dla: electronic cigarettes
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Electronic structure and rovibrational predissociation of the 2^1Π state in KLi
PublikacjaAdiabatic potential energy curves of the 3^1Σ^+, 3^3Σ^+, 2^1Π and 2^3Π states correlating for large internuclear distance with the K(4s) + Li(2p) atomic asymptote were calculated. Very good agreement between the calculated and the experimental curve of the 2^1Π state allowed for a reliable description of the dissociation process through a small (∼20 cm−1 for J = 0) potential energy barrier. The barrier supports several rovibrational...
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Design and evaluation of a base module of active power electronic transformer
PublikacjaThis paper presents an active power electronic transformer (APET) based on modular structure. The proposed three phase APET consists of at least three base modules (BM). The input/output stage of the BM is based on half-bridge sub modules. The isolation stage includes a medium frequency transformer and is realized as a dual half-bridge. The paper describes construction process and explains the control strategy. The theoretical...
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Physical properties and electronic structure of La3Co and La3Ni intermetallic superconductors
PublikacjaLa3Co and La3Ni are reported superconductors with transition temperatures of 4.5 and 6 K, respectively. Here, we reinvestigate the physical properties of these two intermetallic compounds with magnetic susceptibility χ, specific heat Cp and electrical resistivity ρ measurements down to 1.9 K. Although bulk superconductivity is confirmed in La3Co, as observed previously, only a trace of it is found in La3Ni, indicating that the...
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Visual GQM approach to quality driven development of electronic documents.
PublikacjaJednym z celów projektu europejskiego MEORIAL jest opracowanie nowej technologii wytwarzania webowych systemów informacyjnych wykorzystujących interaktywne dokumenty cyfrowe wytworzone z papierowych oryginałów z zastosowaniem zaawansowanych technik przetwarzania i rozpoznania obrazów. Wieloelementowy model cyklu życia dokumentu cyfrowego przedstawiony w artykule stanowi postawę opracowanej technologii.
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Microsystem for measurement of impedance sensors parameters.Optoelectronic and electronic sensors V.
PublikacjaW artykule przedstawiono mikrosystem do pomiaru parametrów impedancyjnych czujników o module impedancji z przedziału 100ohm-1Gohm. Zastosowana w mikrosystemie technika cyfrowego przetwarzania sygnałów, pozwoliła na uzyskanie szerokiego zakresu częstotliwości pomiarowych, zwłaszcza bardzo niskich od 100uHz do 1MHz, przy zachowaniu prostej konstrukcji zapewniającej jego niską cenę. Mikrosystem zrealizowano w formie przyrządu...
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Non contact multiband emissivity measurment. bibliogr.Optoelectronic and Electronic Sensors.
PublikacjaW pracy zaproponowano i opisano wielopasmowa pasywną metodę pomiaru emisyjności obiektu. W oparciu o opracowany model matematyczny przeprowadzona została analiza systemu pomiarowego. Wyniki modelowania umożliwiają ocenę dokładności projektowanego systemu.
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Internet i Electronic Commerce i jego znaczenie gospodarcze
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Michał Sobaszek dr hab. inż.
OsobyMichał Sobaszek was born in Gdansk in 1984. In the summer of 2009, he received a Master degree in Materials Engineering at Gdansk University of Technology. Currently, he is an Assistant Professor at the Faculty of Electronics at the Gdańsk University of Technology. In 2018 he was honoured with the scholarship for the outstanding young researches by the Minister of Science and Higher Education of Poland. For more than 7 years, he...
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How Good are the Design Tools in Power Electronics?
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AFM-assisted investigation of conformal coatings in electronics
PublikacjaPurpose – This paper aims to presents a new method of investigation of local properties of conformal coatings utilized in microelectronics. Design/methodology/approach – It is based on atomic force microscopy (AFM) technique supplemented with the ability of local electrical measurements, which apart from topography acquisition allows recording of local impedance spectra, impedance imaging and dc current mapping. Potentialities...
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Modelling EMI choke for the power electronics application
PublikacjaPrzedstawiono wyniki przeprowadzonych badań symulacyjnych i eksperymentalnych dotyczących propagacji zakłóceń elektromagnetycznych przewodzonych w dławikach przeciwzakłóceniowych stosowanych w przekształtnikach energoelektronicznych. Zaproponowany model obwodowy dławika pozwala na analizę symulacyjną właściwości w zakresie częstotliwości zaburzeń elektromagnetycznych przewodzonych. Model uwzględnia zjawiska związane z pojemnościami...
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Comprehensive determination of flavouring additives and nicotine in e-cigarette refill solutions. Part I: Liquid chromatography-tandem mass spectrometry analysis
PublikacjaLiquid chromatography-tandem mass spectrometry with electrospray ionization (HPLC-ESI–MS/MS) methods were developed for the simultaneous determination of 42 flavouring compounds and nicotine in liquids for e-cigarettes. The chromatographic separation was performed using an Ace® Ultracore™ SuperC18™ (100 × 2.1 mm, 2.5 μm) column in both acidic and alkaline pH conditions to separate all the compounds. A simple “dilute & shoot” approach...
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A correlation between electron-hole pair radii and magnetomodulation of exciplex fluorescence in electron donor-electron acceptor organic systems
PublikacjaElectric field dependencies of electromodulated photoluminescence and magnitudes of the magnetic-field effect on photoluminescence havebeen measured in vacuum-evaporated films of m-MTDATA [4,4',4"-tris(N-(3-methylphenyl)-N-phenylamino)triphenylamine]:bathophe-nanthroline, m-MTDATA:BCP (bathocuproine), as well as 4,4',4"-tris[2-naphthyl(phenyl)amino]triphenylamine:BCP. The Sano-Tachiya-Noolandi-Hong extension of standard Onsager...
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An excess electron bound to urea. III. The urea dimer as an electron trap
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Electron ionization and low energy electron attachment to molecules of biological interest
PublikacjaEthylenediaminetetraacetic acid (EDTA) and 2-amino-2-(hydroxymethyl)-1,3-propanediol (TRIS) were investigated by electron impact ionization and low energy electron attachment. Both compounds are components of biological buffers and often are used as DNA stabilizers in irradiation studies. hus it is of a great importance to understand their potential interactions with radiation. Our results revealed that at least one of them, EDTA, may...
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Electron ionization and low energy electron attachment to molecules of biological interest
PublikacjaEthylenediaminetetraacetic acid (EDTA) and 2-amino-2-(hydroxymethyl)-1,3-propanediol (TRIS) were investigated by electron impact ionization and low energy electron attachment. Both compounds are components of biological buffers and often are used as DNA stabilizers in irradiation studies. hus it is of a great importance to understand their potential interactions with radiation. Our results revealed that at least one of them, EDTA, may...
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Electron collisions with cyanoacetylene HC3N : Vibrational excitation and dissociative electron attachment
PublikacjaWe experimentally probe electron collisions with HC3N in the energy range from 0 to 10 eV with the focus on vibrational excitation and dissociative electron attachment. The vibrational excitation cross sections show a number of resonances which are mode specific: the two dominant π∗ resonances are visible in the excitation of all the vibrational modes; however, broad σ ∗ resonances are visible only in certain bond-stretching vibrational...
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CHINESE JOURNAL OF ELECTRONICS
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Journal of Computational Electronics
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Flexible and Printed Electronics
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Electronics and Communications in Japan
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INTERNATIONAL JOURNAL OF ELECTRONICS
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IEICE Electronics Express
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IET Power Electronics
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IEICE TRANSACTIONS ON ELECTRONICS
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Advances in Power Electronics
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Journal of Power Electronics
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WSEAS Transactions on Electronics
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npj Flexible Electronics
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PROGRESS IN QUANTUM ELECTRONICS
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Revista Electronica Educare
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Radiophysics and Quantum Electronics
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SOLID-STATE ELECTRONICS
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Electronic conductivity in the SiO2–PbO–Fe2O3 glass containing magnetic nanostructures
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Bound-Excited Electronic States of the Anion of 2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane
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Effects of Coulomb interaction on the electronic structure and lattice dynamics of the Mott insulatorFe2SiO4spinel
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Documentation generator for VHDL and MatLab source codes for photonic and electronic systems
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Documentation generator for VHDL and MatLab source codes for photonic and electronic systems
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Synthesis and electronic properties of B-doped single wall carbon nanotubes
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Electronic correlations in coherent transport through a two quantum dot system
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A self-testing method of large analog circuits in electronic embedded systems
PublikacjaPrzedstawiono metodę samotestowania filtrów wyższych rzędów składających się z łańcucha pierwszego lub drugiego rzędu filtrów (bloków) zaimplementowanych w mieszanych sygnałowo elektronicznych systemach wbudowanych sterowanych mikrokontrolerami lub procesorami sygnałowymi.Idea metody bazuje na fakcie, iż odpowiedź danego bloku jest traktowana jako sygnał pobudzenia kolejnego bloku. Dzięki temu rozwiązaniu rekonfigurowalny układ...
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Electronic structure and magnetism of samarium and neodymium adatoms on free-standing graphene
PublikacjaThe electronic structure of selected rare-earth atoms adsorbed on a free-standing graphene was investigated using methods beyond the conventional density functional theory (DFT+U, DFT +HIA, and DFT+ED). The influence of the electron correlations and the spin-orbit coupling on the magnetic properties has been examined. The DFT+U method predicts both atoms to carry local magnetic moments (spin and orbital) contrary to a nonmagnetic...
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Cardiovascular data analysis using electronic wearable eyeglasses-preliminary study
Publikacjahe paper presents an alternative approach to the monitoring of the cardiovascular system. The study depicts configurations of the utilized system and preliminary results of electrical and mechanical parameters of the cardiac system which can be measured using a head-worn device.
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Quality evaluation of agricultural distillates using different types of electronic noses
PublikacjaThe paper presents the results of investigation on quality evaluation of agricultural distillates using a prototype of electronic nose instrument and a commercial electronic nose of Fast/Flash GC type – HERACLES II. The prototype was equipped with TGS type semiconductor sensors. HERACLES II included two chromatographic columns with different polarity of stationary phase and two FID detectors. In case of the prototype volatile fraction...
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A method of fault diagnosis of analog parts of electronic embedded systems with tolerances
PublikacjaPrzedstawiono nową metodę detekcji i lokalizacji uszkodzeń w częściach analogowych z tolerancjami elementów nieuszkodzonych mieszanych sygnałowo elektronicznych systemów wbudowanych sterowanych mikrokontrolerami. Metoda składa się z trzech etapów. W pierwszym etapie tworzony jest słownik uszkodzeń przez aproksymację rodziny pasów lokalizacyjnych. W etapie pomiarowym wewnętrzny licznik mikrokontrolera mierzy czasy trwania impulsów...
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Electronic structure of PrBa2Cu3O7 after high-pressure compressionfrom first principles
PublikacjaW pracy zbadano wpływ ściskania wysokociśnieniowego (P=9GPa) na elektronową strukturę pasmową, rozkład ładunku i momenty magnetyczne w pełni utlenionego stechiometrycznego układu PrBa2Cu3O7. Zaobserwowano następujące zmiany wywołane ściskaniem: (1) zmniejszoną gęstość stanów (DOS) na poziomie Fermiego Ef, (2) zwiększona różnicę pomiędzy wartościami DOS dla stanów "spin-up" i "spin-down" w najbliższym otoczeniu Ef, (3) zmniejszone...
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Prediction of the Biogenic Amines Index of Poultry Meat Using an Electronic Nose
PublikacjaThe biogenic amines index of fresh chicken meat samples during refrigerated storage was predicted based on the headspace analysis using an electronic nose equipped with an array of electrochemical sensors. The reference biogenic amines index values were obtained using dispersive liquid–liquid microextraction–gas chromatography–mass spectrometry. A prototype electronic nose with modular construction and a dedicated sample chamber...
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Evaluation of the prediction ability of air pollutants based on the electronic nose responses
PublikacjaElectronic noses are able to perform on-line measurements of the toxic volatile compounds in air. Due to their low cost and compact size they can be placed in the areas exposed to pollution, outside the laboratory. Those advantages, on the other side, force the need for development of the reliable sensors data analysis procedures. One of the most important issues connected with electronic noses is the lack of stability of the gas...
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Antimony substituted lanthanum orthoniobate proton conductor – structure and electronic properties.
PublikacjaX‐ray and neutron diffraction have been utilized to analyze the crystalline and electronic structure of lanthanum orthoniobate substituted by antimony. Using X‐ray absorption spectroscopy and photoelectron spectroscopy, changes in the electronic structure of the material upon substitution have been analyzed. The structural transition temperature between fergusonite and scheelite phases for 30 mol% antimony substitution was found...
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Analysis of odor interactions in ternary gas mixtures using electronic nose
PublikacjaIn recent years there has been a noticeable increase in interest in the use of electronic noses in analytical chemistry. These devices perform a holistic analysis of the gas mixtures composition, without the separation and identification of its individual components. For this reason e-noses are increasingly replacing the conventional olfactometers, due to the significantly shorter analysis time and possible automation. In the work...