Wyniki wyszukiwania dla: electronic%20transition%20dipole%20moment%20function

• Effects of geomagnetic disturbances in daytime variations of the atmospheric electric field in polar regions

  Publikacja

  • N. Kleimenova
  • M. Kubicki
  • A. Odzimek
  • L. Malysheva
  • L. Gromova
  • A. Odzimek

  - GEOMAGNETISM AND AERONOMY - Rok 2017

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• Increasing Electric Vehicles Reliability by Non-Invasive Diagnosis of Motor Winding Faults

  Publikacja

  • K. Górny
  • P. Kuwałek
  • W. Pietrowski

  - ENERGIES - Rok 2021

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• Wieloźródłowy model pola elektrycznego okrętu = Multisource model of ship electric field

  Publikacja

  • K. Jakubiuk
  • P. Zimny
  • M. Wołoszyn

  - Rok 2012

  W pracy przedstawiono wieloźródłowy model pola elektrycznego okrętu. Wieloźródłowy model stanowi układ źródeł prądowych o określonych położeniach.

• Cross section calculations for electron impact ionization and elastic scattering from cisplatin

  Publikacja

  • B. Żywicka
  • P. Możejko

  - EUROPEAN PHYSICAL JOURNAL D - Rok 2012

  Całkowity przekrój czynny na jednokrotną jonizację cisplatyny (H6N2Cl2Pt) w zderzeniach z elektronami został obliczony przy wykorzystaniu modelu BEB (binary-encounter-Bethe) dla energii zderzenia od progu na jonizację do 5 keV. W celu uzyskania danych niezbędnych w modelu BEB, geometryczna i elektronowa struktura cisplatyny została przebadana metodami chemii kwantowej. Obliczono również przekrój czynny na sprężyste rozproszenie...

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• Development of free electron laser and accelerator technology in Poland (CARE and EuCARD projects)

  Publikacja

  • R. Romaniuk
  • R. S. Romaniuk

  - Rok 2009

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• A dressing of zero-range potentials and electron-molecule scattering problem at low energies

  Publikacja

  • S. Leble
  • S. Yalunin

  - Rok 2005

  Technika ''ubierania'' jest używana do poprawy modelu potencjału zerowego promienia (ZRP). Rozważamy przekształcenia Darboux zaczynające się od ZRP, wynik ''ubierania'' daje potencjał z niezerowym promieniem, który zależy od parametrów rozwiązania.

• Photocatalytic hydrogen generation over alkaline-earth titanates in the presence of electron donors

  Publikacja

  • B. ZIELINSKA
  • E. BOROWIAKPALEN
  • R. KALENCZUK
  • E. Mijowska

  - INTERNATIONAL JOURNAL OF HYDROGEN ENERGY - Rok 2008

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• Numerical and experimental investigation of thermal convection near electric devices with vertical channels

  Publikacja

  • S. Czapp
  • M. Czapp
  • M. Orłowska

  - Rok 2016

  This paper presents the results of numerical and experimental investigation of thermal convection near heat emitting surfaces of an electric device. For the intensification of thermal convection, special vertical channels were formed near the heat emitting surfaces of the device. An experimental test has proved that there is an optimal length of the channels – thermal convection is the most intensive then. Air velocity vectors...

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• Angle Tracking Observer for Filtering Rotor Position Estimates in Sensorless Electric Drives

  Publikacja

  • L. Jarzębowicz
  • M. Cisek
  • A. Opaliński

  - Elektronika Ir Elektrotechnika - Rok 2016

  Sensorless electric drives use measurements of electrical quantities to estimate rotor position and speed. Measurement errors deteriorate the estimation accuracy, thus additional means are necessary to remove high-frequency components from estimated signals. This paper proposes to use an Angle Tracking Observer (ATO) for reducing noise in rotor position estimates, which is related to random errors in the measurements. A simplified,...

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• Selected issues on the role of electric lighting in the regeneration programs of urban spaces in Poland

  Publikacja

  • N. Sokół
  • J. Martyniuk-Pęczek

  - Przegląd Elektrotechniczny - Rok 2016

  This paper reflects on the basic research done in the area of outdoor public lighting in regard to regeneration processes. The general purpose of this scientific paper is to investigate the role that lighting design plays within regeneration frameworks. Referring to a wide spectrum of academic publications, the paper provides an overview of regeneration and outdoor public lighting objectives. Emphasize is put on the obstacles for lighting...

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• Materials for Mediator-free Electron Transfer in the Enzymatic Electrodes of Biobatteries and Biofuel Cells

  Publikacja

  • K. Sadowska
  • D. Łyp
  • J. Biernat
  • J. Rogalski
  • R. Bilewicz

  - ECS Transactions - Rok 2013

  We present functionalization of single-walled carbon nanotubes (SWCNTs) and their application in the enzymatic fuel cells construction. SWCNTs were covalently modified with different types of aromatic moieties. Free radical reaction was employed to create direct carbon-carbon bond between moiety and SWCNTs. In second approach functionalization takes place through amide bonding. Functionalized SWCNTs were characterized by spectroscopy...

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• Influence of electric, magnetic and electromagnetic fields on the circadian system – current stage of knowledge

  Publikacja

  • B. Lewczuk
  • G. Redlarski
  • A. Żak
  • N. Ziółkowska
  • B. Przybylska-Goronowicz
  • M. Krawczuk

  - JOURNAL OF BIOMEDICINE AND BIOTECHNOLOGY - Rok 2014

  One of the side effects of each electrical device work is the electromagnetic field generated near its workplace. All organisms, including humans, are exposed daily to the influence of different types of this field, characterized by various physical parameters. Therefore, it is important to accurately determine the effects of an electromagnetic field on the physiological and pathological processes occurring in cells, tissues and...

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• Frequency and time domain characteristics of digital control of electric vehicle in-wheel drives

  Publikacja

  • L. Jarzębowicz
  • A. Opaliński

  - Archives of Electrical Engineering - Rok 2017

  In-wheel electric drives are promising as actuators in active safety systems of electric and hybrid vehicles. This new function requires dedicated control algorithms, making it essential to deliver models that reflect better the wheel-torque control dynamics of electric drives. The timing of digital control events, whose importance is stressed in current research, still lacks an analytical description allowing for modeling its...

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• LabVIEW-based intelligent system of protection against electric shock for photovoltaic installations

  Publikacja

  • S. Czapp
  • D. Świsulski

  - Rok 2017

  Evaluation of shock hazard in installations with photovoltaic sources of energy is more complicated than in a conventional low voltage system. In case of earth fault in photovoltaic generators, that are connected to the AC power public grid, a composite waveform of earth fault current in the installation may occur. For composite waveforms, the safety criteria should be modified. The paper considers the effect of the composite waveforms...

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• Modeling N2O behavior during denitrification with different carbon sources and electron acceptors

  Publikacja

  • K. Wiśniewski
  • M. Kowalski
  • B. Vogel
  • M. Beier
  • K. Czerwionka
  • J. Mąkinia

  - Rok 2015

  A mathematical model was developed for identification of the most important mechanism leading to nitrous oxide (N2O) accumulation in denitrifying activated sludge systems. The activated sludge model No. 2d (ASM2d) was extended to include intermediate three steps of the denitrification process. The formation and accumulation of nitric oxide (NO) was assumed to be very low in the performed laboratory experiments. These experiments...

• Modular power converter topologies for energy storage and electric power distribution systems

  Publikacja

  • M. Parchomiuk
  • R. Strzelecki
  • K. Zymmer
  • A. Domino

  - Rok 2017

  This paper describes selected issues concerning realization of energy storage system (ESS) designed to operate in power distribution system. In order to achieve scalability of the system a modular approach is proposed. In addition to this different configuration of the system are analyzed, where depending on requirements and application a scalability in power, in energy capacity of energy storage resource and both in power and...

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• Boron doped Nanocrystalline Diamond-Carbon Nanospike Hybrid Electron Emission Source

  Publikacja

  • S. Kamatchi
  • M. Ficek
  • P. Kalpataru
  • C. Yeh
  • S. Mirosław
  • J. Ryl
  • K. Leou
  • J. Young Park
  • I. Lin
  • R. Bogdanowicz
  • K. Haenen

  - ACS Applied Materials & Interfaces - Rok 2019

  Electron emission signifies an important mechanism facilitating the enlargement of devices that have modernized large parts of science and technology. Today, the search for innovative electron emission devices for imaging, sensing, electronics, and high-energy physics continues. Integrating two materials with dissimilar electronic properties into a hybrid material is an extremely sought-after synergistic approach envisioning a...

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• Total electron-scattering cross section measurements for tetrahydropyran, (CH2)5O, molecules

  Publikacja

  • C. Szmytkowski
  • E. Ptasińska-Denga

  - JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS - Rok 2011

  Zmierzono całkowity przekrój czynny (TCS) na rozproszenie elektronów na drobinach tetrahydropyranu. Pomiary przeprowadzono metodą transmisyjną w zakresie energii zderzenia 1 - 400 eV. Otrzymana zależność energetyczna TCS wskazuje na obecność procesów rezonansowych w zakresie 3 - 15 eV. Wyniki porównano z całkowitymi przekrojami czynnymi dla drobin tetrahydrofuranu i alkoholu alfa-tetrahydrofurfurylowego.

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• Electron collisions with X(CH3)4 molecules (X = C, Si, Ge)

  Publikacja

  • S. Stefanowska-Tur
  • P. Możejko
  • E. Ptasińska-Denga
  • C. Szmytkowski

  - JOURNAL OF CHEMICAL PHYSICS - Rok 2019

  Absolute grand-total cross sections (TCSs) for electron scattering from tetramethylmethane [C(CH3)4], tetramethylsilane [Si(CH3)4], and tetramethylgermane [Ge(CH3)4] molecules have been measured at electron-impact energies extending from around 0.5 to 300 eV in the linear electron-transmission experiment. The measured TCS energy dependences show very pronounced broad enhancement, peaking near 5.5 eV for Si(CH3)4 and Ge(CH3)4 molecules...

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• A unified approach to the analysis of electric energy and fuel consumption of cars in city traffic

  Publikacja

  • J. Kropiwnicki

  - ENERGY - Rok 2019

  Forecasting fuel and electricity consumption is an important factor determining the direction of changes in road engineering solutions, traffic management, selection of routes for public transport and development more efficient car drive systems. With a reliable and easy-to-use computational tool, it is possible to reduce the consumption of primary energy sources and reduce the emission of toxic compounds in cities. An analysis...

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• Voltage and Current Unbalance Reduction in Power Networks with Distributed Generation and Electric Vehicles

  Publikacja

  • K. Dobrzyński
  • S. Czapp

  - ENERGIES - Rok 2024

  The current development of prosumer microsources and the expected spread of electric vehicles may cause the appearance of significant current and voltage unbalance in low-voltage (LV) networks. This unbalance, which is an unfavorable phenomenon, may occur when using single-phase photovoltaic (PV) microsources and single-phase home chargers for electric vehicles. This paper presents a proposal for the symmetrization of the LV network...

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• Relation ship between electron scattering grand total and ionization totalcross section.

  Publikacja

  • S. Kwitnewski
  • E. Ptasińska-Denga
  • C. Szmytkowski

  - RADIATION PHYSICS AND CHEMISTRY - Rok 2003

  Zaproponowano funkcję wiążącą całkowity przekrój czynny i jonizacyjny przekrój czynny na rozpraszanie elektronów na prostych drobinach węglowodorowych i perfluorowanych. Posługując się znalezioną relacją wyznaczono przekroje czynne dla kilku związków fluoru i wodoru.

• Szczególny przypadek zastosowania obwodu elektrycznego. A particular case of electric circuit application

  Publikacja

  • W. Matulewicz

  - Rok 2003

  Przedstawiono szczególne zastosowanie elektrycznego obwodu zastępczego dobadania hemodynamiki nerki. Cechą wyróżniającą taki obwód jest zasilanie napięciem pulsującym, którego kształt odpowiada zmianom ciśnienia tętniczego. Rozważono możliwość diagnostyki stanu nerki, czyli możliwość odtworzenia zmianami parametrów elektrycznych zmian patologicznych.

• State selective electron capture in the collision of S3+ ions in atomic hydrogen and helium.

  Publikacja

  • M. D. Łabuda
  • Y. S. Tergiman
  • M. Bacchus-Montabonel
  • J. E. Sienkiewicz

  - Rok 2004

  Zostało zaprezentowane teoretyczne podejście, uwzględniające obliczenia krytycznych adiabatycznych energii potencjalnych i dynamicznych sprzężeń pomiędzy nimi, do opisu procesu przechwytu elektronu przez jony siarki w zderzeniach z atomami wodoru i helu.

• A study of electron impact excitation of molecular oxygen at a scattering angle of 180 st.

  Publikacja

  • I. Linert
  • G. C. King
  • M. Zubek

  - Rok 2004

  Zbadano wzbudzenie tlenu cząsteczkowego w zderzeniu z elektronem dla rozproszenia do tyłu, pod kątem 180 st. Do pomiarów wykorzystano nowe źródło lokalnego pola magnetycznego o geometrii stożkowej.

• Cross sections for electron scattering from sulfuryl chloride fluoride (SO2ClF) molecules

  Publikacja

  • C. Szmytkowski
  • P. Możejko
  • S. Kwitnewski
  • E. Ptasińska-Denga
  • A. Domaracka

  - Rok 2005

  Artykuł prezentuje zmierzone całkowite przekroje czynne oraz obliczone sprężyste i jonizacyjne przekroje czynne na rozpraszanie elektronów na drobinach SO2ClF dla niskich i średnich energii zderzenia. Wyniki porównano z dostępnymi przekrojami czynnymi dla drobin zawierających siarkę jako atom centralny.

• Protection against electric shock in electrical installations with low voltage generating sets

  Publikacja

  • S. Czapp

  - Rok 2005

  W referacie przedstawiono zasady ochrony przeciwporażeniowej, zgodne z wymaganiami międzynarodowymi, w sytuacji kiedy instalacja elektryczna jest zasilana z niskonapięciowych zespołów prądotwórczych. Zwrócono uwagę na dobór zabezpieczeń przeciwporażeniowych oraz na wymiarowanie uziemień.

• Computed vibrational excitation ofCF4by low-energy electrons and positrons: Comparing calculations and experiments

  Publikacja

  • J. Franz
  • I. Baccarelli
  • S. Caprasecca
  • F. Gianturco

  - PHYSICAL REVIEW A - Rok 2009

  Quantum calculations for the excitation of the asymmetric modes of the CF4 target gas, ν3 and ν4, by impact of low-energy electrons and positrons are carried out in the energy range around 1 eV and are compared with recent experimental findings. The similarities and differences between the two types of projectiles, and the two different modes, are analyzed and discussed vis à vis the present accord with the experimental results.

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• Damage to Model DNA Fragments from Very Low-Energy (<1 eV) Electrons

  Publikacja

  • J. Berdys
  • I. Anusiewicz
  • P. Skurski
  • J. Simons

  - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Rok 2004

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• Chemistry induced by low-energy electrons in condensed multilayers of pure small organic acids

  Publikacja

  • I. Martin
  • M. Bertin
  • A. Domaracka
  • R. Azria
  • E. Illenberger
  • A. Lafosse

  - INTERNATIONAL JOURNAL OF MASS SPECTROMETRY - Rok 2008

  Przedstawiono reakcje indukowane przez niskoenergetyczne elektrony (0.7 - 20 eV) w kondensowanych warstwach kwasu mrówkowego (HCOOH), częściowo deuterowanego kwasu octowego (CH3COOD) oraz kwasu trifluorooctowego (CF3COOD).

• IEEE Industrial Electronics Society Students and Young Professionals Just After the Pandemic Time [Students and Young Professionals News]

  Publikacja

  • M. Jasinski
  • M. Turzyński
  • D. Vinnikov
  • A. Chub

  - IEEE Industrial Electronics Magazine - Rok 2022

  Report on IEEE IES Society student activities in year 2022.

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• A Review of Recent Advances in Human-Motion Energy Harvesting Nanogenerators, Self-Powering Smart Sensors and Self-Charging Electronics

  Publikacja

  • J. Gołąbek
  • M. Strankowski

  - SENSORS - Rok 2024

  In recent years, portable and wearable personal electronic devices have rapidly developed with increasing mass production and rising energy consumption, creating an energy crisis. Using batteries and supercapacitors with limited lifespans and environmental hazards drives the need to find new, environmentally friendly, and renewable sources. One idea is to harness the energy of human motion and convert it into electrical energy...

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• Polyurethane glycolysate from industrial waste recycling to develop low dielectric constant, thermally stable materials suitable for the electronics

  Publikacja

  • A. Reghunadhan
  • J. Datta
  • M. Jaroszewski
  • N. Kalarikkal
  • S. Thomas

  - Arabian Journal of Chemistry - Rok 2020

  We are utilizing a new method to improve the dielectric properties of a conventional polymer using a recycled polymer product. The polyurethane foams are recycled by glycolysis process and the derived material was applied to improve the dielectric properties of the brittle DGEBA epoxy resin. Two main parameters that determine the applicability of the material as a dielectric (the dielectric constant and dielectric loss), were studied...

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• GTR/NBR/Silica Composites Performance Properties as a Function of Curing System: Sulfur versus Peroxides

  Publikacja

  • Ł. Zedler
  • X. Colom
  • J. Cañavate
  • K. Formela

  - Materials - Rok 2021

  In this work, conventional sulfur and two types of organic peroxides (dicumyl peroxide (DCP) and di-(2-tert-butyl-peroxyisopropyl)-benzene (BIB)) curing systems were used to investigate the possibility for tailoring of the performance properties of GTR/NBR blends reinforced with a variable content of highly dispersive silica (0–30 phr). The curing characteristics, static mechanical and acoustical properties, swelling behavior,...

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• Improved-Efficacy EM-Based Antenna Miniaturization by Multi-Fidelity Simulations and Objective Function Adaptation

  Publikacja

  • M. Mahrokh
  • S. Kozieł

  - ENERGIES - Rok 2022

  The growing demands for integration of surface mount design (SMD) antennas into miniatur-ized electronic devices have been continuously imposing limitations on the structure dimen-sions. Examples include embedded antennas in applications such as on-board devices, picosatel-lites, 5G communications, or implantable and wearable devices. The demands for size reduction while ensuring a satisfactory level of the electrical and field...

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• Self-assembly, stability and conductance of amphotericin B channels: bridging the gap between structure and function

  Publikacja

  • J. Zielińska
  • M. Wieczór
  • P. Chodnicki
  • E. Grela
  • R. Luchowski
  • Ł. Nierzwicki
  • T. Bączek
  • W. I. Gruszecki
  • J. Czub

  - NANOSCALE - Rok 2021

  Amphotericin B (AmB), one of the most powerful but also toxic drugs used to treat systemic mycoses, is believed to selectively permeabilize fungal cell membranes to ions in a sterol-dependent manner. Unfortunately, the structure of the biologically active AmB channels has long eluded researchers, obstructing the design of safer alternatives. Here, we investigate the structural and thermodynamic aspects of channel formation, stability,...

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• Does system of local government subsidisation fulfil revenue equalisation function? Evidence from Poland

  Publikacja

  • A. Sekuła

  - Oeconomia Copernicana - Rok 2017

  The article will discuss functions that should pursue general grants. One of them is revenue equalization. To achieve it after applying the mechanism of subsidising revenues should be reduced. In addition, to be completed, the size of the support should be inversely proportional to achieved own revenues. Besides the theoretical analysis, which will present the general grants structure and the ability of fulfilling revenue equalisation...

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• The non-invasive evaluation of heart function in patients with an acute myocardial infarction: The role of impedance cardiography

  Publikacja

  • Ł. Lewicki
  • M. Fijałkowska
  • M. Karwowski
  • K. Siebert
  • G. Redlarski
  • A. Pałkowski
  • R. Targoński
  • J. Siebert

  - Cardiology Journal - Rok 2021

  Background: The purpose of this study was to analyze hemodynamic changes in patients treated with percutaneous coronary intervention (PCI) at an early stage of acute myocardial infarction (AMI) and at one-month follow-up. Methods: Patients with AMI (n = 27) who underwent PCI were analyzed using impedance cardiography (ICG). ICG data were collected continuously (beat by beat) during the whole PCI procedure and thereafter at every...

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• Cascade Object Detection and Remote Sensing Object Detection Method Based on Trainable Activation Function

  Publikacja

  • S. N. Shivappriya
  • M. J. P. Priyadarsini
  • A. Stateczny
  • C. Puttamadappa
  • B. D. Parameshachari

  - Remote Sensing - Rok 2021

  Object detection is an important process in surveillance system to locate objects and it is considered as major application in computer vision. The Convolution Neural Network (CNN) based models have been developed by many researchers for object detection to achieve higher performance. However, existing models have some limitations such as overfitting problem and lower efficiency in small object detection. Object detection in remote...

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• Exposure to Bisphenol A Analogs and the Thyroid Function and Volume in Women of Reproductive Age—Cross-Sectional Study

  Publikacja

  • J. Milczarek-Banach
  • D. Rachoń
  • T. Bednarczuk
  • K. Myśliwiec-Czajka
  • A. Wasik
  • P. Miśkiewicz

  - Frontiers in Endocrinology - Rok 2021

  Bisphenols (BPs) are commonly known plastifiers that are widely used in industry. The knowledge about the impact of BPs on thyroid function is scarce. Proper thyroid functioning is especially important for women of reproductive age, as hypothyroidism affects fertility, pregnancy outcomes and the offspring. There are no studies analyzing the influence of BPs on thyroid function and volume in non-pregnant young women. The aim of...

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• Assessment of urinary cystatin C levels in HIV-1-infected patients with preserved kidney function

  Publikacja

  • A. Szymczak
  • A. Szymanek-Pasternak
  • M. Zalewska
  • K. Małyszczak
  • W. Rymer
  • B. Knysz

  - HIV and AIDS Review - Rok 2018

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• Doppler indexes of left ventricular systolic and diastolic function in relation to the arterial stiffness in a general population

  Publikacja

  • N. Cauwenberghs
  • J. Knez
  • V. Tikhonoff
  • J. D’hooge
  • M. Kloch-Badelek
  • L. Thijs
  • K. Stolarz-Skrzypek
  • F. Haddad
  • W. Wojciechowska
  • E. Swierblewska... i 5 innych

  - JOURNAL OF HYPERTENSION - Rok 2016

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• Kidney function in the very elderly with hypertension: data from the hypertension in the very elderly (HYVET) trial

  Publikacja

  • R. Peters
  • N. Beckett
  • R. Poulter
  • L. Burch
  • K. Narkiewicz
  • R. Fagard
  • D. Nitsch
  • N. Wang
  • M. Li
  • A. Fletcher
  • C. Bulpitt

  - AGE AND AGEING - Rok 2013

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• Arterial stiffness, body fat compartments, central hemodynamics, renal function and left atrial size

  Publikacja

  • K. Katulska
  • A. Milewska
  • M. Wykretowicz
  • T. Krauze
  • D. Przymuszala
  • J. Piskorski
  • M. Stajgis
  • P. Guzik
  • H. Wysocki
  • A. Wykrętowicz

  - SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION - Rok 2013

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• Compatibility of Sustainable Mater-Bi/poly(ε-caprolactone)/cellulose Biocomposites as a Function of Filler Modification

  Publikacja

  • A. Hejna
  • M. Barczewski
  • P. Kosmela
  • O. Mysiukiewicz
  • A. Piasecki
  • A. Tercjak

  - Materials - Rok 2023

  Despite their popularity and multiplicity of applications, wood–polymer composites (WPCs) still have to overcome particular issues related to their processing and properties. The main aspect is the compatibility with plant-based materials which affects the overall performance of the material. It can be enhanced by strengthening the interfacial adhesion resulting from physical and/or chemical interactions between the matrix and...

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• Tuning transfer function of fiber-optic Fabry-Pérot interferometer via introduction of birefringence in the cavity

  Publikacja

  • M. Hirsch
  • P. Wierzba
  • M. Szczerska

  - OPTICA APPLICATA - Rok 2019

  The study investigates the impact of birefringence exhibited by the cavity material of a fiber-optic Fabry-Pérot interferometer on its transfer function. The theoretical approach to analyze the effect of birefringence in the cavity of a plane Fabry-Pérot interferometer is described. The case of high- and low-finesse interferometer is investigated. It is shown that introduction of a birefringent medium of optimized parameters can...

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• Chemometric Assessment and Best-Fit Function Modelling of the Toxic Potential of Selected Food Packaging Extracts

  Publikacja

  • B. Kudłak
  • N. Jatkowska
  • M. Nedyalkova
  • V. Simeonov
  • J. Namieśnik

  - MOLECULES - Rok 2018

  Food packaging materials constitute an ever more threatening environmental pollutant. This study examined options to specifically assess the ecotoxicity of packaged wastes, such as cans, subjected to various experimental treatments (in terms of extraction media, time of exposure, and temperature) that imitate several basic conditions of the process of food production. The extracts were studied for their ecotoxicity with bioluminescent...

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• Hybrid Technique Combining the FDTD Method and Its Convolution Formulation Based on the Discrete Green's Function

  Publikacja

  • T. Stefański

  - IEEE Antennas and Wireless Propagation Letters - Rok 2013

  In this letter, a technique combining the finite-difference time-domain (FDTD) method and its formulation based on the discrete Green's function (DGF) is presented. The hybrid method is applicable to inhomogeneous dielectric structures that are mutually coupled with wire antennas. The method employs the surface equivalence theorem in the discrete domain to separate the problem into a dielectric domain simulated using the FDTD method...

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• Parallel Implementation of the Discrete Green's Function Formulation of the FDTD Method on a Multicore Central Processing Unit

  Publikacja

  • T. Stefański
  • S. Orłowski
  • B. Reichel

  - RADIOENGINEERING - Rok 2014

  Parallel implementation of the discrete Green's function formulation of the finite-difference time-domain (DGF-FDTD) method was developed on a multicore central processing unit. DGF-FDTD avoids computations of the electromagnetic field in free-space cells and does not require domain termination by absorbing boundary conditions. Computed DGF-FDTD solutions are compatible with the FDTD grid enabling the perfect hybridization of FDTD...

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• Dynamic polarizability of the relativistic hydrogenlike atom: Application of the Sturmian expansion of the Dirac-Coulomb Green function

  Publikacja

  • R. Szmytkowski

  - PHYSICAL REVIEW A - Rok 2002

  We utilize the Sturmian expansion of the Dirac-Coulomb Green function [R. Szmytkowski, J. Phys. B 30, 825 (1997)] to obtain components of the dynamic dipole polarizability tensor of the relativistic hydrogenlike atom in the ground state. It is found that the tensor may be expressed in terms of two independent quantities: a scalar polarizability and a vector polarizability, the latter being of the relativistic origin. In the static...

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