Wyniki wyszukiwania dla: HIGH-IMPEDANCE SPECTROSCOPY

• BLOOD PRESSURE ESTIMATION BY MEANS OF A JOINT IMPEDANCE– PHOTOPLETYSMOGRAPHIC METHOD

  Publikacja

  • K. Czuszyński
  • J. Wtorek

  - Rok 2013

  The knowledge of patient’s day to day blood pressure changes is invaluable to physicians for both diagnostics and health monitoring reasons. Constant observation of the pressure throughout a day would provide even more valuable clinical information. A convenient non-invasive methods of blood pressure estimation for monitoring purposes are widely proposed. This work shows a statistical approach to...

• Impedancyjne badanie korozji wżerowej. Impedance measurements of pitting corrosion

  Publikacja

  • K. Darowicki
  • S. Krakowiak
  • P. Ślepski

  - Ochrona przed Korozją - Rok 2002

  Kryteria zachodzenia korozji wżerowej związane są z badaniami tego zjawiska metodą cyklicznej polaryzacji i opierają się na wartości gęstości prądu lub bezwzględnej wartości prądu płynącego w układzie. Na podstawie przeglądu literaturowego wybrano cztery kryteria stosowane przy badaniu stali stopowych metodą cyklicznej polaryzacji. Dla warunków prądowych odpowiadających kryteriom zachodzenia korozji wżerowej przedstawiono widma...

• Solvation of cobalt(II) and trifluoromethanesulfonate ions in N,N-dimethylformamide-methanol mixed solvent studied by means of FT-IR spectroscopy

  Publikacja

  • E. Kamieńska-Piotrowicz
  • J. Stangret
  • J. Szymańska-Cybulska

  - SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY - Rok 2007

  Widma FT-IR roztworów Co(CF3SO3)2-N,N-dimetyloformamid-metanol były analizowane w zakresie pasm CO i OH za pomocą metody widm różnicowych. Wyznaczono liczbę cząsteczek DMF i MeOH w pierwszej sferze solwatacji jonu Co(II) w zależności od składu rozpuszczalnika. Stwierdzono także obecność drugiej sfery solwatacji jonu Co(II) i scharakteryzowano ją ilościowo. Zbadano również solwatację jonu tifluorometanosulfonowego oraz asocjację...

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• Formation of high-carbon abrasion-resistant surface layers when high-energy heating by high-frequency currents

  Publikacja

  • N. Plotnikova
  • V. Skeeba
  • N. Martyushev
  • R. Miller
  • N. Rubtsova

  - IOP Conference Series: Materials Science and Engineering - Rok 2016

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• Ordered titania nanotubes layer selectively annealed by laser beam for high contrast electrochromic switching

  Publikacja

  • K. Siuzdak
  • M. Szkoda
  • M. Sawczak
  • J. Karczewski
  • J. Ryl
  • A. Cenian

  - THIN SOLID FILMS - Rok 2018

  The phase conversion from amorphous into crystalline one in the selected area of as-anodized titania nanotubes was achieved via laser treatment. The optimized processing parameters enable fast, one-minute crystallization of titania within an area limited by a shadow mask and without any morphology damage of ordered TiO2 tubular film. The laser annealed titania nanotubes could be easily overgrown by a conducting polymer without...

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• Linear impedance of vanadate glasses containing BaTiO3

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  open access

  • N. Wójcik
  • R. Barczyński
  • J. Ryl

  The linear impedance of vanadate glasses doped with BaTiO3 was measured. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated (573...

• JOURNAL OF RAMAN SPECTROSCOPY

  Czasopisma

  ISSN: 0377-0486 , eISSN: 1097-4555

• The forming and emission of high power electromagnetic pulses

  Publikacja

  • K. Jakubiuk
  • D. Kowalak
  • M. Nowak

  - Rok 2018

  An impulse energy source, a power conditioning system and an electromagnetic field emitter are essential to generate an electromagnetic field pulse (EMFP) with a specific frequency bandwidth. Selected simulation results for a power conditioning system consisting of a fuse opening switch and a paraboloidal electromagnetic emitter have been presented in this article. The synthetic system examined in the simulation is powered by an...

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• The forming and emission of high power electromagnetic pulses

  Publikacja

  • M. Nowak
  • K. Jakubiuk
  • D. Kowalak

  - Rok 2018

  An impulse energy source, a power conditioning system and an electromagnetic field emitter are essential to generate an electromagnetic field pulse (EMFP) with a specific frequency bandwidth. Selected simulation results for a power conditioning system consisting of a fuse opening switch and a paraboloidal electromagnetic emitter have been presented in this article. The synthetic system examined in the simulation is powered by...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Nonlinear impedance of vanadate glasses containing BaTiO3

  Dane Badawcze

  open access

  • N. Wójcik
  • R. Barczyński
  • J. Ryl

  The nonlinear impedance of vanadate glasses doped with BaTiO3 was measured. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated (573...

• Modelling of high frequency dynamic responses of engineering structures

  Publikacja

  • A. Żak
  • M. Krawczuk
  • G. Redlarski
  • W. Waszkowiak

  - Rok 2017

  Modelling of high frequency dynamic responses of engineering structures, especially those related to wave propagation, is a real numerical challenge. Nowadays most of numerical models, used for that purpose, are based on the application of various finite element techniques. However, finite element discrete models may also be considered as possessing certain periodic structures, which may manifest themselves in particular scenarios....

• Discrimination of Apple Liqueurs (Nalewka) Using a Voltammetric Electronic Tongue, UV-Vis and Raman Spectroscopy

  Publikacja

  • M. Śliwińska
  • C. Garcia-hernandez
  • M. Kościński
  • T. Dymerski
  • W. Wardencki
  • J. Namieśnik
  • M. Śliwińska-Bartkowiak
  • S. Jurga
  • C. Garcia-Cabezon
  • M. L. Rodriguez-Mendez

  - SENSORS - Rok 2016

  The capability of a phthalocyanine-based voltammetric electronic tongue to analyze strong alcoholic beverages has been evaluated and compared with the performance of spectroscopic techniques coupled to chemometrics. Nalewka Polish liqueurs prepared from five apple varieties have been used as a model of strong liqueurs. Principal Component Analysis has demonstrated that the best discrimination between liqueurs prepared from different...

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• Determination of nine high-intensity sweeteners in various foods by high-performance liquid chromatography with mass spectrometric detection

  Publikacja

  • A. Zygler
  • A. Wasik
  • A. Kot-Wasik
  • J. Namieśnik

  - ANALYTICAL AND BIOANALYTICAL CHEMISTRY - Rok 2011

  An analytical procedure involving solid-phase extraction (SPE) and high-performance liquid chromatography-mass spectrometry has been developed for the determination of nine high-intensity sweeteners authorised in the EU; acesulfame-K (ACS-K), aspartame (ASP), alitame (ALI), cyclamate (CYC), dulcin (DUL), neohesperidin dihydrochalcone (NHDC), neotame (NEO), saccharin (SAC) and sucralose (SCL) in a variety of food samples (i.e. beverages,...

  Pełny tekst do pobrania w portalu

• Raman spectroscopy study on concentrated acid treated carbon nanotubes

  Publikacja

  • S. Costa
  • B. Scheibe
  • M. Rummeli
  • E. Borowiak‐Palen
  • E. Mijowska

  - physica status solidi (b) - Rok 2009

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• Scanning tunneling microscopy and spectroscopy study of Nd2−xCexCuO4−y

  Publikacja

  • B. Susła
  • R. Czajka
  • W. Sadowski
  • T. Klimczuk
  • T. Klimczuk

  - PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS - Rok 1997

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• Applying of the optical time-of-flight spectroscopy for the paper and pulp characterization

  Publikacja

  • J. Pluciński

  - Rok 2005

  W pracy przedstawiono korzyści wykorzystania optycznej spektroskopii czasu przelotu w badaniach papieru i miazgi drzewnej. Przedmiotem badań były różne gatunki papieru oraz miazgi drzewnej (bez obróbki cieplnej, po obróbce cieplnej lub po obróbce chemicznej). W pomiarach wykorzystano półprzewodnikowe lasery impulsowe oraz w charakterze fotoodbiorników kamerę smugową lub licznik fotonów.

• Spectroscopy and Dynamics of Cryptolepine in the Nanocavity of Cucurbit[7]uril and DNA

  Publikacja

  • R. Koninti
  • S. Sappati
  • S. Satpathi
  • K. Gavvala
  • P. Hazra

  - CHEMPHYSCHEM - Rok 2016

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• Conformational studies of neurohypophyseal hormones analogues with glycoconjugates by NMR spectroscopy

  Publikacja

  • E. Lubecka
  • E. Sikorska
  • A. Marcinkowska
  • J. Ciarkowski

  - JOURNAL OF PEPTIDE SCIENCE - Rok 2014

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• Electrooxidation of dissolved dsDNA backed by in situ UV-Vis spectroscopy

  Publikacja

  • A. Nowicka
  • E. Zabost
  • M. Donten
  • Z. Mazerska

  - BIOELECTROCHEMISTRY - Rok 2006

  Przeprowadzono badania elektrochemicznego utleniania dsDNA stosując metody cyklowoltametryczne na elektrodzie weglowej, platynowej, platynowej w formie siatki oraz z siatki platynowej osadzonej na węglu. Otrzymane wyniki analizy spektroelektrochemicznej wykazały, że wraz ze wzrostem potencjału i piku prądowego absorpcja roztworu dsDNA wzrasta w sposób zależny od typu elektrody. Jednak położenie maksimum absorpcji nie zmieniało...

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• Vibrational spectroscopy of semiheavy water (HDO) as a probe of solute hydration

  Publikacja

  • M. Śmiechowski
  • J. Stangret

  - PURE AND APPLIED CHEMISTRY - Rok 2010

  Spektroskopia oscylacyjna jest idealną metodą w badaniach zjawisk hydratacyjnych. Przy zastosowaniu techniki rozcieńczenia izotopowego, gdy mała ilość D2O zostaje wprowadzona do H2O lub vice versa i powstaje woda półciężka (HDO), ominąć można wiele problemów technicznych i interpretacyjnych związanych z pomiarem widm w podczerwieni wody ciekłej. Zwłaszcza izotopowe rozprzężenie drgań rozciągających ułatwia interpretację widm. Systematycznie...

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• Quality assessment of varistor ZnO structures by resonant ultrasound spectroscopy

  Publikacja

  • L. Hasse
  • M. Kiwilszo
  • J. Smulko
  • T. Stępiński

  - INSIGHT - Rok 2009

  Warystory sa wytwarzane z tlenku cynku ZnO jako cylindrycznie uformowane struktury, a ich jakość zależy od zmieniających się uwarunkowań technologicznych na etapach formowania ich kształtu oraz spiekania. W związku z tym są one testowane w końcowej fazie produkcji, a elementy wadliwe się odrzuca. Proponujemy testowanie jakości struktur ZnO we wcześniejszej fazie ich wytwarzania w celu wyeliminowania elementów wadliwych z dalszej,...

• Vibrational Spectroscopy in Analysis of Stimuli-Responsive Polymer–Water Systems

  Publikacja

  • M. Kozanecki
  • M. Pastorczak
  • K. Halagan

  - Rok 2019

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• Hydration of aprotic donor solvents studied by means of FTIR spectroscopy

  Publikacja

  • J. Krakowiak

  - JOURNAL OF PHYSICAL CHEMISTRY A - Rok 2007

  The paper attempts to explain the mutual influence of nonpolar and electron-donor groups on solute hydration,the problem of big importance for biological aqueous systems. Aprotic organic solvents have been used asmodel solutes, differing in electron-donating power. Hydration of acetonitrile, acetone, 2-butanone, andtriethylamine has been studied by HDO and (partially) H2O spectra. The quantitative version of...

• A study of the electronic states of pyrimidine by electron energy loss spectroscopy

  Publikacja

  • I. Linert
  • M. Zubek

  - CHEMICAL PHYSICS LETTERS - Rok 2015

  The electron energy loss spectra were measured in pyrimidine at the constant electron residual energy varied from 15 meV to 10 eV and in the scattering angle range 0–180°. The spectra were analysed applying an iteration fitting procedure to resolve the energy loss bands corresponding to excitation of the electronic states of pyrimidine. The vertical excitation energies of the singlet states of pyrimidine and of a number of the...

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• Electron energy-loss spectroscopy of excited states of the pyridine molecules

  Publikacja

  • I. Linert
  • M. Zubek

  - EUROPEAN PHYSICAL JOURNAL D - Rok 2016

  Electron energy-loss spectra of the pyridine, C5H5N, molecules in the gas phase have been measured to investigate electronic excitation in the energy range 3.5–10 eV. The applied wide range of residual electron energy and the scattering angle range from 10 ◦ to 180 ◦ enabled to differentiate between optically-allowed and -forbidden transitions. These measurements have allowed vertical excitation energies of the triplet excited...

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• Optical time of flight spectroscopy for highly scattering materials measurements.

  Publikacja

  • J. Pluciński

  - Proceedings of SPIE - Rok 2003

  W artykule omówiono możliwości wykorzystania optycznej spektroskopii czasu przelotu w wyznaczaniu podstawowych parametrów optycznych materiałów silnie rozpraszających światło. Wykorzystano tu metodę Monte Carlo i metodę dyfuzji.

• Confined lead nanogranules investigated by X-ray absorption spectroscopy

  Publikacja

  • A. Witkowska
  • J. Rybicki
  • A. Trapananti
  • E. Principi
  • A. Di Cicco

  - PHYSICA SCRIPTA - Rok 2003

  .

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• Raman Spectroscopy for Investigation of Sol-Gel Materials and Ceramic Materials.

  Publikacja

  • M. Gnyba

  - Rok 2004

  Przedstawiono rezultaty prac nad zastosowanie spektroskopii ramanowskiej do badania polimerów hybrydowych wytwarzanych metodą zol-żel oraz ceramik ferroelektrycznych. Wykonano pomiary dla próbek objętościowych i struktur cienkowarstwowych. Zademonstrowano możliwośc monitorowania procesu syntezy w czasie rzeczywistym.

• Synchrotron radiation photoemission spectroscopy of the oxygen modified CrCl3 surface

  Publikacja

  • S. Kazim
  • D. Mastrippolito
  • P. Moras
  • M. Jugovac
  • T. Klimczuk
  • M. A. Ali
  • L. Ottaviano
  • R. Gunnella

  - PHYSICAL CHEMISTRY CHEMICAL PHYSICS - Rok 2023

  We investigate the experimentally challenging CrCl3 surface by photon energy dependent photoemission (PE). The core and valence electrons after cleavage of a single crystal, either in a ultrahigh vacuum (UHV) or in air, are studied by keeping the samples at 150 1C, aiming at confirming the atomic composition with respect to the expected bulk atomic structure. A common spectroscopic denominator revealed by data is the presence of...

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• Performance-Driven Surrogate Modeling of High-Frequency Structures

  Publikacja

  • S. Kozieł
  • A. Pietrenko-Dąbrowska

  - Rok 2020

  The development of modern high-frequency structures, including microwave and antenna components, heavily relies on full-wave electromagnetic (EM) simulation models. Notwithstanding, EM-driven design entails considerable computational expenses. This is especially troublesome when solving tasks that require massive EM analyzes, parametric optimization and uncertainty quantification be-ing representative examples. The employment of...

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• Interictal high-frequency oscillations in focal human epilepsy

  Publikacja

  • J. Cymbalnik
  • M. T. Kucewicz
  • G. A. Worrell

  - CURRENT OPINION IN NEUROLOGY - Rok 2016

  PURPOSE OF REVIEW: Localization of focal epileptic brain is critical for successful epilepsy surgery and focal brain stimulation. Despite significant progress, roughly half of all patients undergoing focal surgical resection, and most patients receiving focal electrical stimulation, are not seizure free. There is intense interest in high-frequency oscillations (HFOs) recorded with intracranial electroencephalography as potential...

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• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [7040247104958061]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [519073004664641]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046652111]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046657431]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [51907300466571]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046658431]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046653021]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046651021]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046653671]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046655761]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046658981]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [7040247104954171]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046658081]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.

• Testing impedance analyzer with potentiostat using RC model with Si diode at 200 mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Testing impedance analyzer with potentiostat using RC model with Si diode at 0 V

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Testing impedance analyzer with potentiostat using RC model with Si diode at 600 mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Testing impedance analyzer with potentiostat using RC model with Si diode at 400 mV

  Dane Badawcze

  open access

  • G. Lentka

  - seria: Impedance analyzer with potentiostat testing results

  The dataset presents impedance spectrum non-linear RC model with diode presented in the figure below. This model was used as a test engine of the impedance analyzer with potentiostat described in the referenced paper. When changing the DC polarisation of the model the non-linear phenomena could be observed. Thanks to this, the model can be used as a...

• Inhibition of the granular anammox process by the high concentration of free ammonia.

  Publikacja

  • D. Sobotka
  • K. Czerwionka
  • J. Mąkinia

  - Rok 2015

  High concentrations of ammonia and nitrite, typical for reject water treatment in the anammox process with the use of high temperatures and pH, may cause free ammonia (FA) inhibition. In this study, the inhibitory effect of FA on anammox process rate was investigated in a bench-scale sequencing batch reactor (SBR) with granular anammox biomass. Results of the study present that the anammox process could be successfully operated...

• High grade B-cell lymphoma, NOS - Female, 68 - Tissue image [5190730046653051]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of SKIN tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.