Search results for: X RAY SPECTROSCOPY

• Integrating Optical Spectroscopy and Chemometric Methods

  Publication

  • K. Jagiełło
  • A. Sosnowska
  • J. Mazerski
  • T. Puzyn

  - Year 2014

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• Saturation ESR spectroscopy of PA12 polyamide

  Publication

  • F. Lembicz
  • D. Podgórska
  • R. Ukielski
  • M. Piątek
  • M. Piątek-Hnat

  - European Polymer Journal - Year 2004

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• Application of NIR and Raman Spectroscopy in Biotechnology

  Publication

  • M. Jamrógiewicz

  - Year 2014

  Studium Press LLC, U.S.A. 

• Impedance spectroscopy of single chamber SOFC.

  Publication

  • P. Jasiński
  • T. Suzuki
  • F. Dogan
  • H. U. Anderson

  - Year 2004

  Mechanizm działania jednokomorowego ogniwa paliwowego SOFC, które pracuje w mieszaninie powietrza i paliwa, nie jest do końca zbadany. W tej pracy przedstawiono wyniki badań ogniwa paliwowego zbudowanego z tlenku cyrkonu stabilizowanego itrem jako nośnego elektrolitu, cermetu z tlenku niklu jako anody i perovskitu LSCF jako katody w temperaturach 500-700C z użyciem mieszaniny propanu i powietrza. Wykorzystując spektroskopię impedancyjną...

• Time-of-flight spectroscopy for medical applications.

  Publication

  • J. Pluciński

  - Year 2004

  W pracy przedstawiono korzyści optycznej spektroskopii czasu przelotu, w zastosowaniach medycznych. Przedstawiono także zasadę pomiarów oraz pokazano, jak z danych pomiarowych można wyznaczyć podstawowe parametry optyczne tkanki. Potencjał pomiarowy optycznej spektroskopii czasu przelotu zaprezentowano na przykładzie pomiarów ośrodków silnie rozpraszających światło jakimi są: papier, cicze technologiczne z papierni, wodne roztwory...

• Impedance spectroscopy of undoped cerium oxide.

  Publication

  • P. Jasiński
  • T. Suzuki
  • H. U. Anderson

  - Year 2003

  W pracy przedstawiono badania impedancyjne niedomieszkowanego tlenku ceru. Wyniki wskazują na występowanie zjawiska dyfuzji,???? które nie są (.. jest.?)związane z odpowiedzią elektrodową. Rozważania teoretyczne dopuszczają obserwowanie impedancji Warburga, która reprezentuje zjawisko dyfuzji w przewodnikach mieszanych, jednakże niewiele informacji na ten temat można znaleźć w literaturze. W związku z tym szczegółowe badania zródła...

• Raman spectroscopy in investigation of rheometric processes

  Publication

  • M. Gnyba
  • R. Bogdanowicz

  - Year 2005

  Praca porusza problem analizy cienkiej warstwy przyściennej -oleju za pomocą spektroskopii ramanowskiej. Parametry (grubość, struktura chemiczna) cienkiej warstwy przyśniennej są istotną informacją do oceny przebiegu procesu wyciskania past modelowych. Zaprezentowano wyniki pomiarów oraz konstrukcje ramanowskich układów pomiarowych.

• Characteristics of LaCo 0.4 Ni 0.6-x Cu x O 3-δ ceramics as a cathode material for intermediate-temperature solid oxide fuel cells

  Publication

  • Y. Liu
  • S. Wang
  • Y. Hsu
  • H. Kai
  • P. Jasiński

  - JOURNAL OF THE EUROPEAN CERAMIC SOCIETY - Year 2018

  In this study, the effects of Cu-ion substitution on the densification, microstructure, and physical properties of LaCo0.4Ni0.6-xCuxO3-δ ceramics were investigated. The results indicate that doping with Cu ions not only enhances the densification but also promotes the grain growth of LaCo0.4Ni0.6-xCuxO3-δ ceramics. The Cu substitution at x ≤ 0.2 can suppress the formation of La4Ni3O10, while the excess Cu triggers the formation...

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• Analiza przyczyny nieprawidłowego stanu technicznego powłoki kabla XRUHAKXS 1 x 120/25

  Publication

  • M. Olesz

  - Year 2018

  W ekspertyzie przedstawiono przyczyny nieprawidłowego stanu technicznego powłoki kabla XRUHAKXS 1 x 120/25. Analiza zawiera wyniki badań wyładowań niezupełnych zachodzących w powłokach nowych i pobranych z wykopu odcinków kabli.

• Synthesis and properties of porous Sr 0.96 Y 0.04 Ti 1−x Nb x O 3

  Publication

  • E. Drożdż
  • J. Karczewski

  - SOLID STATE IONICS - Year 2018

  A series of porous, single phase Sr0.96Y0.04Ti1-xNbxO3 samples was obtained using a wet synthesis method (modified citrate sol-gel) method. Temperature-programmed reduction (TPR) and temperature-programmed oxidation (TPO) measurements have shown high stability of the obtained material in variable (oxidizing/reducing) atmospheres. All samples exhibit high conductivity in hydrogen atmosphere with the highest value (around 1S/cm)...

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• Application of quartz crystal microbalance and dynamic impedance spectroscopy to the study of copper corrosion inhibitors

  Publication

  • D. Parasińska
  • H. Kwiatkowski
  • P. Ślepski

  - Journal of Materials and Manufacturing - Year 2024

  The study investigates the application of Dynamic Electrochemical Impedance Spectroscopy (DEIS) and Electrochemical Quartz Crystal Microbalance (EQCM) techniques to examine the corrosion inhibition of copper by Benzotriazole and Sodium Folate in a 0.1 M NaCl solution. DEIS, an advanced version of Electrochemical Impedance Spectroscopy (EIS), allows for real-time monitoring of non-stationary electrochemical systems,...

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• Application of Galvanostatic Non-Linear Impedance Spectroscopy to the Analysis of Metallic Material Degradation

  Publication

  • P. Ślepski
  • H. Gerengi
  • D. Parasińska
  • Ł. Gaweł

  - Materials - Year 2024

  This study presents a novel application of Non-Linear Electrochemical Impedance Spectroscopy (NLEIS) in galvanostatic mode for the rapid, non-destructive assessment of metal degradation. By using galvanostatic mode instead of traditional potentiostatic methods, polarization-related challenges are mitigated, enabling more accurate and reliable analysis. The technique allows for the determination of corrosion rates (corrosion current)...

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• Dielectric Spectroscopy Studies and Modelling of Piezoelectric Properties of Multiferroic Ceramics

  Publication

  • A. Lisińska-Czekaj
  • D. Czekaj
  • B. Garbarz-Glos
  • W. Bąk
  • T. Tadeyos Zate
  • J. Jeon

  - Applied Sciences-Basel - Year 2023

  Compounds and solid solutions of bismuth ferrite (BiFeO3)—barium titanate (BaTiO3) system are of great scientific and engineering interest as multiferroic and potential high-temperature lead-free piezoelectric materials. In the present paper, the results of research on the synthesis and characterisation of 0.67Bi1.02FeO3–0.33BaTiO3 (67BFBT) ceramics in terms of crystal structure and dielectric and piezoelectric properties are reported....

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• Design of a Wideband High-Gain Monopulse Antenna for X- and Ku-Bands Applications

  Publication

  • Z. Xing Chen
  • A. Farahbakhsh
  • J. Xin Lv
  • H. Su
  • X. Y. Zhang

  - IEEE Access - Year 2024

  The present study provides a wideband high-gain monopulse antenna based on a dielectric lens operating in X- and Ku-bands, in which a wideband dielectric lens is designed and employed to fulfill the radiation pattern and bandwidth necessities of a monopulse antenna. The proposed configuration has four horns allowing for the simultaneous creation of 1 and 6 designs in two perpendicular planes. The main advantages of the proposed...

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• The Optical Coherence Tomography and Raman Spectroscopy for Sensing of the Bone Demineralization Process

  Publication

  • M. J. Głowacki
  • A. M. Kamińska
  • M. Gnyba
  • J. Pluciński
  • M. Strąkowski

  - SENSORS - Year 2021

  The presented research was intended to seek new optical methods to investigate the demineralization process of bones. Optical examination of the bone condition could facilitate clinical trials and improve the safety of patients. The authors used a set of complementary methods: polarization-sensitive optical coherence tomography (PS-OCT) and Raman spectroscopy. Chicken bone samples were used in this research. To stimulate in laboratory...

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• Obraz "Bez tytułu", technika akrylowa na papierze. Wymiary: 75 x 75 cm.

  Publication

  • D. Krechowicz

  - Year 2021

  Pierwsza prezentacja obrazu na wystawie "Differentia specifica" w Galerii Feininger w Trzebiatowskim Ośrodku Kultury w Trzebiatowie w terminie 31 lipca do 31 sierpnia 2021. Obraz "Bez tytułu", technika akrylowa na papierze. Wymiary: 75 x 75 cm. Rok powstania: 2021

• Measurement system for nonlinear surface spectroscopy by atomic force microscopy for corrosion processes monitoring

  Publication

  • S. Babicz-Kiewlicz
  • A. Zieliński
  • J. Smulko
  • K. Darowicki

  - Year 2013

  In addition to traditional imaging the surface, atomic force microscopy (AFM) enables wide variety of additional measurements. One of them is higher harmonic imaging. In tapping mode the nonlinear contact between tip and specimen results in higher frequency vibrations. More information available from the higher harmonics analysis proves to be helpful for more detailed imaging. Such visualization is especially useful for heterogeneous...

• Low temperature broad band dielectric spectroscopy of multiferroic Bi6Fe2Ti3O18 ceramics

  Publication

  • A. Lisińska-Czekaj
  • M. Rerak
  • D. Czekaj
  • M. Lubina
  • B. Garbarz-Glos
  • W. Bąk

  - ARCHIVES OF METALLURGY AND MATERIALS - Year 2019

  In the present research the tool of broadband dielectric spectroscopy was utilized to characterize dielectric behavior of Bi6Fe2Ti3O18 (BFTO) Aurivillius-type multiferroic ceramics. Dielectric response of BFTO ceramics was studied in the frequency domain (Δν=0.1Hz – 10MHz) within the temperature range ΔT=-100°C – 200°C. The Kramers-Kronig data validation test was employed to validate the impedance data measurements and it was found...

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• Conceptual design report of the MPD Cosmic Ray Detector (MCORD)

  Publication

  • M. Bielewicz
  • A. Bancer
  • M. Barabanov
  • A. Chlopik
  • M. Czarnynoga
  • D. Dabrowski
  • A. Dudzinski
  • A. Dziedzic
  • M. Grodzicka-Kobylka
  • J. Grzyb... and 45 others

  - Journal of Instrumentation - Year 2021

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• Commissioning and performance of the CMS pixel tracker with cosmic ray muons

  Publication

  • C. Collaboration
  • R. S. Romaniuk

  - Journal of Instrumentation - Year 2010

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• A Wideband Corrugated Ridged Horn Antenna with Enhanced Gain and Stable Phase Center for X- and Ku-Band Applications

  Publication

  • M. Saeed
  • S. Kozieł
  • L. Leifsson

  - IEEE Antennas and Wireless Propagation Letters - Year 2019

  In this letter, a structure and design procedure of a novel double-flared conical horn antenna with an improved gain and a stable phase center is presented. The antenna incorporates a hybrid ridged and corrugated structure. A double-ridged section is responsible for ensuring a wideband operation, whereas the corrugated section supports the hybrid mode. The antenna impedance bandwidth (VSWR < 2) is 6 GHz to 20 GHz. Excellent performance...

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• Biosilica from sea water diatoms algae—electrochemical impedance spectroscopy study

  Publication

  • A. Nowak
  • A. Lisowska-Oleksiak
  • B. Wicikowska
  • M. Gazda

  - JOURNAL OF SOLID STATE ELECTROCHEMISTRY - Year 2017

  Here, we report on an electrochemical impedance study of silica of organic origin as an active electrode material. The electrode material obtained from carbonized marine biomass containing nanoporous diatoms has been characterised by means of XRD, IR, SEM and EIS. Dif- ferent kinds of crystallographic phases of silica as a result of thermal treatment have been found. The electrode is electrochemically stable during subsequent cyclic...

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• Bioactive Ingredients with Health-Promoting Properties of Strawberry Fruit (Fragaria x ananassa Duchesne)

  Publication

  • J. Newereli-Guz
  • M. Śmiechowska
  • A. Drzewiecka
  • R. Tylingo

  - MOLECULES - Year 2023

  Strawberries (Fragaria x ananassa Duchesne) belong to the berry group and are characterized primarily by delightful sensory properties. Due to their chemical composition, these fruits are a rich source of bioactive compounds that can modify the metabolic and physiological functions of the body. The aim of this work is to present the current state of research on bioactive ingredients found in these fruits in the context of their...

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• Expert Systems with Applications: X

  Journals

  eISSN: 2590-1885

• Chemical Engineering Science: X

  Journals

  ISSN: 2590-1400

• Resources, Conservation and Recycling: X

  Journals

  eISSN: 2590-289X

• Chaos, Solitons and Fractals: X

  Journals

  ISSN: 2590-0544

• Journal of Computational Physics: X

  Journals

  ISSN: 2590-0552

• Journal of Biomedical Informatics: X

  Journals

  ISSN: 2590-177X

• Chemical Physics Letters: X

  Journals

  ISSN: 2590-1419

• Energy Conversion and Management: X

  Journals

  ISSN: 2590-1745

• Analytica Chimica Acta: X

  Journals

  ISSN: 2590-1346

• Journal of Structural Biology: X

  Journals

  ISSN: 2590-1524

• Weak hydrogen bonding interaction S-H···O=C studied by FT-IR spectroscopy and DFT calculations

  Publication

  • A. Mielcarek
  • A. Dołęga

  - JOURNAL OF MOLECULAR STRUCTURE - Year 2016

  Interactions between the thiolate group of tri-tert-butoxysilanethiol (TBST) and carbonyl group of acetone are studied with the use of FT-IR spectroscopy and DFT calculations.

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• Optymalizacja biosyntezy białka X w bioreaktorze.

  Publication

  • P. Filipkowski

  - Year 2012

  .

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• Human Centric Lighting. The New X Factor?

  Publication

  • K. Zielińska-Dąbkowska

  - ARC Lighting In Architecture - Year 2019

  We live in challenging times, and one could even claim we’re experiencing a revolution in lighting with LED technology taking over the world. Part of this rapid change involves a concept called Human Centric Lighting (HCL). In Frankfurt this year, during Light+Building, it was the buzzword, with nearly every second manufacturer’s stand claiming they had figured out the special formula necessary to create perfect HCL illumination....

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• Application of galvanodynamic impedance spectroscopy for studying passive film cracking under mechanical strain

  Publication

  • J. Orlikowski
  • K. Jurak
  • K. Darowicki
  • M. Szociński
  • A. Karólkowska
  • S. Wysmułek
  • M. Kalinowski

  - ELECTROCHIMICA ACTA - Year 2023

  The paper reports the results of simultaneous mechanical and electrochemical investigations on austenitic (18/8) stainless steel in a 2 % solution of sulphuric acid. The measurements were performed using Galvanodynamic Electrochemical Impedance Spectroscopy (GDEIS). Electrochemical analysis of mechanical passive layer cracking and repassivation conditions during a tensile test was carried out. Application of this methodology allowed...

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• New Method of Non-Linear Electrochemical Impedance Spectroscopy with an Amplitude-Modulated Perturbation Signal

  Publication

  • P. Ślepski
  • M. Szociński
  • J. Majcherczak
  • H. Gerengi
  • K. Darowicki

  - JOURNAL OF THE ELECTROCHEMICAL SOCIETY - Year 2019

  The paper presents a new method of non-linear electrochemical impedance spectroscopy (NLEIS), which allows fast and nondestructive evaluation of the corrosion rate and determination of the Tafel coefficients values for a corrosion system under investigation. This method employs amplitude modulation of the ac perturbation signal. The study demonstrated that it was possible to obtain impedance characteristic as a function of the...

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• X edition 2018-20, International MBA in Strategy, Programme and Project Management

  e-Learning Courses

  • J. Makowski
  • A. M. Trzaskowska
  • B. Krawczyk-Bryłka
  • P. Jacewicz
  • S. Wilczewski
  • B. Geniusz-Stepnowska
  • E. Łusiak-Sobolewska

• EVALUATION OF LIQUID-GAS FLOW IN PIPELINE USING GAMMA-RAY ABSORPTION TECHNIQUE AND ADVANCED SIGNAL PROCESSING

  Publication

  • R. Hanus
  • M. Zych
  • V. Mosorov
  • A. Golijanek-Jędrzejczyk
  • M. Jaszczur
  • A. Andruszkiewicz

  - Metrology and Measurement Systems - Year 2021

  Liquid-gas flows in pipelines appear in many industrial processes, e.g. in the nuclear, mining, and oil industry. The gamma-absorption technique is one of the methods that can be successfully applied to study such flows. This paper presents the use of thegamma-absorption method to determine the water-air flow parameters in a horizontal pipeline. Three flow types were studied in this work: plug, transitional plug-bubble,...

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• Study of Direct Methanol Fuel Cell Process Dynamics Using Dynamic Electrochemical Impedance Spectroscopy

  Publication

  • K. Darowicki
  • E. Janicka
  • P. Ślepski

  - International Journal of Electrochemical Science - Year 2012

  A new technique, which was developed to characterize the direct methanol fuel cell under work conditions, has been presented in this paper. The impedance measurements were made using dynamic electrochemical impedance spectroscopy research technique in the galvanostatic mode, using multiple sinusoidal excitation. Obtained results show, that together with an increase of the temperature and working load, the global impedance...

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• Combined analysis of whole human blood parameters by Raman spectroscopy and spectral-domain low-coherence interferometry

  Publication

  • M. Gnyba
  • M. Wróbel
  • K. Karpienko
  • D. Majchrowicz
  • M. Szczerska

  - Year 2015

  In this article the simultaneous investigation of blood parameters by complementary optical methods, Raman spectroscopy and spectral-domain low-coherence interferometry, is presented. Thus, the mutual relationship between chemical and physical properties may be investigated, because low-coherence interferometry measures optical properties of the investigated object, while Raman spectroscopy gives information about its molecular...

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• High pressure spectroscopy of chromium doped LiTaO3crystals

  Publication

  • Y. Shen
  • K. Bray
  • M. Grinberg
  • J. Barzowska
  • I. Sókolska

  - HIGH PRESSURE RESEARCH - Year 2000

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• Instantaneous electrochemical impedance spectroscopy of electrode reactions

  Publication

  • K. Darowicki
  • P. Ślepski
  • K. Darowicki

  - ELECTROCHIMICA ACTA - Year 2004

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• Optical spectroscopy and scintillation mechanisms ofCexLa1−xF3

  Publication

  • A. Wojtowicz
  • M. Balcerzyk
  • E. Berman
  • A. Lempicki
  • M. Balcerzyk

  - Physical Review B - Year 1994

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• Fluorescent spectroscopy of collagen as a diagnostic tool in medicine

  Publication

  • Ł. Saletnik
  • R. Wesołowski
  • R. Wesolowski

  - Journal of Medical Science - Year 2022

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• Hydration of tetrahydrofuran derived from FTIR spectroscopy

  Publication

  • J. Stangret
  • T. Gampe

  - Year 2005

  Zbadano hydratację THF na podstawie spektroskopii FTIR drgań HDO oraz H2O. Dane widmowe poddano analizie przy pomocy ilościowej metody widm różnicowych. Ustalono, że w roztworach rozcieńczonych hydratacja THF typu hydrofobowego dominuje nad hydratacją typu elektrofilowego. Scharakteryzowano wodę w otoczce hydratacyjnej THF poprzez jej porównanie z wodą czystą.

• Evaluation of coating systems using impedance spectroscopy

  Publication

  • A. Miszczyk
  • K. Darowicki

  - Year 2005

  Trwałość powłokowych systemów ochronnych zależy od oddziaływań środowiska i związana jest nieodwracalnymi procesami chemicznymi i fizycznymi. Zastosowanie spektroskopii impedancyjnej pozwala na określenie obszaru zastosowań danej powłoki i prognozowanie okresu jej trwałości. W pracy zamieszczono przykłady oceny trwałości systemów powłokowych stosowanych w strategicznych konstrukcjach.

• Instantaneous electrochemical impedance spectroscopy of electrode reactions.

  Publication

  • K. Darowicki
  • P. Ślepski

  - Year 2004

  Ustalona została ciągła transformata STFT sinusoidalnego sygnału pobudzeniai odpowiedzi prądowej dla pierwszorzędowej reakcji elektrodowej. Impedancja elektrodowa wyznaczona została w łącznej dziedzinie czasowo-częstotliwościowej. Wykonano pomiary reakcji redukcji Cd(II) na kapiącej elektrodzie rtęciowej w funkcji czasu. Zaprezentowano możliwość wyznaczania chwilowych widm impedancyjnych. Opisano czasowe charakterystyki rezystancji...

• Noise sources in Raman spectroscopy of biological objects

  Publication

  • J. Smulko
  • M. Wróbel

  - Year 2017

  We present an overview of noise sources deteriorating the quality of the recorded biological Raman spectra and the ability to determine the specimen composition. The acquired Raman spectra exhibit intense additive noise components or drifts because of low intensity of the scattered light. Therefore we have to apply expensive or bulky measurement setups to limit their inherent noise or to apply additional signal processing to reduce...