Search Results - "Kostenko, Alexander"

Pair Plasma in Super-QED Magnetic Fields and the Hard X-Ray/Optical Emission of Magnetars by Thompson, Christopher, Kostenko, Alexander

“…Abstract The photon spectrum emitted by a transrelativistic pair plasma is calculated in the presence of an ultrastrong magnetic field, and is shown to bear a…”
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The application of digital tools in Ukrainian pharmacies within holistic marketing by Sakhnatska, Nataliia, Aliekperova, Nataliia, Kosyachenko, Kostyantyn, Kostenko, Alexander

“…The paper aimed to analyze the attitude and awareness of pharmacists to the application of digital tools in the activities of Ukrainian pharmacies within…”
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A novel method for dendrochronology of large historical wooden objects using line trajectory X-ray tomography by Bossema, Francien G., Domínguez-Delmás, Marta, Palenstijn, Willem Jan, Kostenko, Alexander, Dorscheid, Jan, Coban, Sophia Bethany, Hermens, Erma, Batenburg, K. Joost

“…Dendrochronology is an essential tool to determine the date and provenance of wood from historical art objects. As standard methods to access the tree rings…”
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Orchid fruit and root movement analyzed using 2D photographs and a bioinformatics pipeline for processing sequential 3D scans by Pramanik, Dewi, Vaskimo, Lotta, Batenburg, K. Joost, Kostenko, Alexander, Droppert, Kevin, Smets, Erik, Gravendeel, Barbara

“…Premise Most studies of the movement of orchid fruits and roots during plant development have focused on morphological observations; however, further genetic…”
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Digital technologies in foreign language learning by Baryshnikova, Olga, Kostenko, Alexander, Voskoboynikov, Stanislav

“…This article will examine the digitalization of education, its effectiveness, pros and cons. In addition, digital technologies will be able to affect the…”
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Three-dimensional morphology of cementite in steel studied by X-ray phase-contrast tomography by Kostenko, Alexander, Sharma, Hemant, Dere, E. Gözde, King, Andrew, Ludwig, Wolfgang, van Oel, Wim, Stallinga, Sjoerd, van Vliet, Lucas J., Offerman, S. Erik

“…We show that non-destructive, in-line X-ray phase-contrast tomography (PCT) can be used to study the three-dimensional morphology of individual cementite…”
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QED Phenomena in an Ultrastrong Magnetic Field. I. Electron-Photon Scattering, Pair Creation, and Annihilation by Kostenko, Alexander, Thompson, Christopher

“…We evaluate several basic electrodynamic processes as modified by the presence of a very strong magnetic field, exceeding G. These results are needed to build…”
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Erratum: "QED Phenomena in an Ultrastrong Magnetic Field. I. Electron-Photon Scattering, Pair Creation, and Annihilation" (2018, ApJ, 869, 44) by Kostenko, Alexander, Thompson, Christopher

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Erratum: "QED Phenomena in an Ultrastrong Magnetic Field. II. Electron-Positron Scattering, e -Ion Scattering and Relativistic Bremsstrahlung" (2019, ApJ, 875, 23) by Kostenko, Alexander, Thompson, Christopher

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QED Phenomena in an Ultrastrong Magnetic Field. II. Electron-Positron Scattering, e -Ion Scattering, and Relativistic Bremsstrahlung by Kostenko, Alexander, Thompson, Christopher

“…This paper continues the approach of Kostenko & Thompson to calculating quantum electrodynamic processes in the ultrastrong magnetic field near some neutron…”
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Registration-based multi-orientation tomography by Kostenko, Alexander, Andriiashen, Vladyslav, Batenburg, Kees Joost

“…We propose a combination of an experimental approach and a reconstruction technique that leads to reduction of artefacts in X-ray computer tomography of…”
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Interaction of cyanine dyes with nucleic acids. Part 19: new method for the covalent labeling of oligonucleotides with pyrylium cyanine dyes by Yarmoluk, Sergiy M, Kostenko, Alexander M, Dubey, Igor Y

“…New chemistry for the fluorescent labeling of oligonucleotides with cyanine dyes is proposed. It is based on the use of pyrylium salts as amine-specific…”
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Magnetar X-Ray Spectra: An Utramagnetic QED Approach by Kostenko, Alexander

“…This thesis considers the generation of the bright, broadband and non-thermal X-ray spectra of magnetars. These spectra are very sensitive to the distribution…”
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Integrating expert feedback on the spot in a time-efficient explorative CT scanning workflow for cultural heritage objects by Bossema, Francien G., Coban, Sophia Bethany, Kostenko, Alexander, van Duin, Paul, Dorscheid, Jan, Garachon, Isabelle, Hermens, Erma, van Liere, Robert, Batenburg, K. Joost

“…[Display omitted] Computed Tomography (CT) has proven itself as a powerful technique for analysing the internal structure of cultural heritage objects. The…”
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Dating and provenancing the Woman with lantern sculpture – A contribution towards attribution of Netherlandish art by Domínguez-Delmás, Marta, Bossema, Francien G., van der Mark, Bieke, Kostenko, Alexander, Coban, Sophia Bethany, van Daalen, Sjoerd, van Duin, Paul, Batenburg, K. Joost

“…•Interdisciplinary study to ascertain production date and place of an oak sculpture•X-ray CT images provided tree-ring patterns on the widest sections and…”
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Volumetric 3D‐Printed Piezoelectric Polymer Films by Frick, Achidi, Vliet, Wesley Alexander, Žukauskaitė, Agnė, Zywitzki, Olaf, Modes, Thomas, Kostenko, Alexander, von Hauff, Elizabeth

“…A novel additive manufacturing route using a tailored resin containing Poly(vinylidene fluoride) Trifluoroethylene (PVDF‐TrFE) to 3D print piezoelectric films…”
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Phase retrieval in in-line x-ray phase contrast imaging based on total variation minimization by Kostenko, Alexander, Batenburg, K Joost, Suhonen, Heikki, Offerman, S Erik, van Vliet, Lucas J

“…State-of-the-art techniques for phase retrieval in propagation based X-ray phase-contrast imaging are aiming to solve an underdetermined linear system of…”
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Total variation minimization approach in in-line x-ray phase-contrast tomography by Kostenko, Alexander, Batenburg, K Joost, King, Andrew, Offerman, S Erik, van Vliet, Lucas J

“…The reconstruction problem in in-line X-ray Phase-Contrast Tomography is usually approached by solving two independent linearized sub-problems: phase retrieval…”
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Pair Plasma in Super-QED Magnetic Fields and the Hard X-ray/Optical Emission of Magnetars by Thompson, Christopher, Kostenko, Alexander

“…The photon spectrum emitted by a transrelativistic pair plasma is calculated in the presence of an ultrastrong magnetic field, and is shown to bear a…”
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QED Phenomena in an Ultrastrong Magnetic Field. I. Electron-Photon Scattering, Pair Creation, and Annihilation by Kostenko, Alexander, Thompson, Christopher

“…We evaluate several basic electrodynamic processes as modified by the presence of a very strong magnetic field, exceeding $B_{\rm Q} \equiv m^2/e = 4.4\times…”
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