Academic literature on the topic 'Kinetics of luminescence decay'

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Journal articles on the topic "Kinetics of luminescence decay"

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Lyasnikova, M. S., A. A. Kylishov, G. A. Yurasik, D. N. Karimov, V. A. Postnikov, and A. E. Voloshin. "Spectral-luminescence and scintillation properties of p-terphenyl single crystal grown from melt." Kristallografiâ 69, no. 6 (2024): 1004–8. https://doi.org/10.31857/s0023476124060102.

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The results of the study of the photoluminescent and X-ray luminescent properties of the p-terphenyl crystalline element made from a single crystal grown from a melt using the Bridgman method are presented. The transmission, photoluminescence and X-ray luminescence spectra of the crystals were obtained and analyzed. The kinetics of photoluminescence and X-ray luminescence decay have been studied for p-terphenyl single crystal and the absolute light yield of X-ray luminescence has been determined.
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Pominova, Daria, Igor Romanishkin, Vera Proydakova та ін. "Study of synthesis temperature effect on β-NaGdF4: Yb3+, Er3+ upconversion luminescence efficiency and decay time using maximum entropy method". Methods and Applications in Fluorescence 10, № 2 (2022): 024005. http://dx.doi.org/10.1088/2050-6120/ac5bdc.

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Abstract Upconversion materials have several advantages for many applications due to their great potential in converting infrared light to visible. For practical use, it is necessary to achieve high intensity of UC luminescence, so the studies of the optimal synthesis parameters for upconversion nanoparticles are still going on. In the present work, we analyzed the synthesis temperature effect on the efficiency and luminescence decay of β-NaGd0.78Yb0.20Er0.02F4 (15–25 nm) upconversion nanoparticles with hexagonal crystal structure synthesized by anhydrous solvothermal technique. The synthesis
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Федюнин, Ф. Д., Д. А. Спасский, И. С. Воронина та Л. И. Ивлева. "Влияние температуры на люминесцентные свойства кристаллов CaMoO-=SUB=-4-=/SUB=- и SrMoO-=SUB=-4-=/SUB=-, беспримесных и легированных Nd-=SUP=-3+-=/SUP=-". Физика твердого тела 64, № 11 (2022): 1751. http://dx.doi.org/10.21883/ftt.2022.11.53329.419.

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Luminescence properties of calcium and strontium molybdates, undoped as well as doped with Nd3+ ions were studied. The influence of temperature on the energy transfer processes from the intrinsic emission centers to activator is shown on the basis of the analysis of the temperature dependencies of luminescence spectra and decay kinetics. It is concluded that the studied compounds are promising for non-contact luminescent thermometry in a wide temperature range.
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Luchechko, Andriy P., Igor I. Syvorotka, Yaroslav Zakharko, and I. M. Syvorotka. "Growing Features and Luminescence of Bi3+ Ions in Gd3Ga5O12 Epitaxial Films." Solid State Phenomena 200 (April 2013): 215–19. http://dx.doi.org/10.4028/www.scientific.net/ssp.200.215.

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Abstract. Excitation and emission spectra under UV and X-ray excitations, as well as the luminescence decay kinetics of Gd3Ga5O12: Bi single crystalline films were studied. The emission spectra observed in the spectral region 350-700 nm at room temperature consist two elementary bands peaked at 446 and 521 nm. The influence of growth conditions on the luminescent properties of Gd3Ga5O12: Bi3+ garnet have been revealed. The integral and relative intensities of the luminescence bands depend on the excitation wavelength. The Bi3+ decay curves of all investigated films show non-single exponential
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Пустоваров, В. А., К. В. Ивановских, Ю. Е. Хатченко, В. Ю. Иванов, M. Bettinelli та Q. Shi. "Люминесценция примесных Pr-=SUP=-3+-=/SUP=--центров и дефектов в Sr-=SUB=-9-=/SUB=-Sc(PO-=SUB=-4-=/SUB=-)-=SUB=-7-=/SUB=-:Pr-=SUP=-3+-=/SUP=-". Физика твердого тела 61, № 5 (2019): 867. http://dx.doi.org/10.21883/ftt.2019.05.47582.12f.

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AbstractThe spectroscopic characteristics and luminescence decay kinetics of Sr_9Sc(PO_4)_7:Pr^3+(1%) were investigated using synchrotron radiation of ultraviolet (UV), vacuum ultraviolet (VUV) and X-ray ranges, as well as pulsed cathodoluminescence (PCL) methods at temperatures of 10, 90, and 295 K. The luminescence spectra contain three groups of bands and lines. In the UV range, the observed bands correspond to interconfigurational 5 d → 4 f transitions in Pr^3+ ions. In the visible spectrum, the wide luminescence band of defects dominates, as well as narrow lines associated with intraconfi
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Matiushkina, Anna, Ilia Litvinov, Anastasia Bazhenova, et al. "Time- and Spectrally-Resolved Photoluminescence Study of Alloyed CdxZn1−xSeyS1−y/ZnS Quantum Dots and Their Nanocomposites with SPIONs in Living Cells." International Journal of Molecular Sciences 23, no. 7 (2022): 4061. http://dx.doi.org/10.3390/ijms23074061.

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Magnetic-luminescent composites based on semiconductor quantum dots (QDs) and superparamagnetic iron oxide nanoparticles (SPIONs) can serve as a platform combining visualization and therapy. Here, we report the construction of QD-SPION nanocomposites based on synthesized SPIONs and alloyed QDs (CdxZn1−xSeyS1−y)/ZnS solubilized with L-cysteine molecules. The study of the spectral-luminescence characteristics, the kinetics of luminescence decay show the composite’s stability in a solution. After incubation with HeLa cells, QDs, SPIONs, and their composites form clusters on the cell surface and a
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Валиев, Д. Т., С. А. Степанов, G. Yao та Y. Zhou. "Люминесцентные свойства боросиликатного стекла, легированного церием". Физика твердого тела 61, № 10 (2019): 1879. http://dx.doi.org/10.21883/ftt.2019.10.48264.473.

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ABS – BGP (Al2O3 – B2O3 – SiO2 – BaCO3 – Gd2O43 – P2O5) glasses doped with different Ce3+ concentrations were prepared by glass melting method. Optical, structural and luminescent properties have been characterized. Emission in the spectral range of 350–550 nm, associated with radiation transitions of Ce3+ ions was recorded. The luminescence decay kinetics is characterized by two components. The fast component is 45–90 ns. For the slow component, a decrease in the decay time from 4 to 0.9 us with increasing cerium ion concentration is shown. Based on the luminescence spectra, an assumption abo
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Stepanov, F. A., V. P. Mironov, A. L. Rakevich, V. S. Shatsky, D. A. Zedgenizov, and E. F. Martynovich. "Red luminescence decay kinetics in Brazilian diamonds." Bulletin of the Russian Academy of Sciences: Physics 80, no. 1 (2016): 74–77. http://dx.doi.org/10.3103/s1062873816010238.

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Ballew, R. M., J. N. Demas, N. P. Ayala, M. Grubb, and S. W. Snyder. "Computer interfaced fast kinetics luminescence decay experiment." Journal of Chemical Education 68, no. 3 (1991): 222. http://dx.doi.org/10.1021/ed068p222.

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Пустоваров, В. А., К. В. Ивановских, Ю. Е. Хатченко, M. Bettinelli та Q. Shi. "Спектроскопия и кинетика люминесценции ионов Pr-=SUP=-3+-=/SUP=- в K-=SUB=-3-=/SUB=-LuSi-=SUB=-2-=/SUB=-O-=SUB=-7-=/SUB=- : Pr-=SUP=-3+-=/SUP=-". Физика твердого тела 61, № 5 (2019): 861. http://dx.doi.org/10.21883/ftt.2019.05.47581.11f.

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Abstract—The luminescent characteristics of K_3LuSi_2O_7:Pr^3+ (1%), which is a promising optical material for the use as a scintillator, have been studied using a set of techniques. The luminescence spectra of K_3LuSi_2O_7:Pr^3+ (1%) contain two bands in the UV-range with peaks at 284 and 330 nm, which correspond intraconfigurational 5 d → 4 f transitions in the Pr^3+ ions. The radiation in the visible and near IR range (480–850 nm) has been represented by the intraconfigurational 4 f → 4 f transitions. The kinetics of 5 d → 4 f -luminescence contains a build-up stage (τ_rise ∼ 7–12 ns), none
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Dissertations / Theses on the topic "Kinetics of luminescence decay"

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Sundblad, Lars-Göran. "Secondary chlorophyll a luminescence decay kinetics from green algae and higher plants : mechanisms and application." Doctoral thesis, Umeå universitet, Institutionen för fysiologisk botanik, 1988. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-100699.

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Barley protoplasts were shown to be a suitable experimental system for studies on the relative maximum during the decay of luminescence observed in most photosynthetic systems after excitation with far red light and in the presence of O2. The far red induced relative luminescence maximum was shown to be a result of three coinciding events: *Randomization of the S-states of the water splitting system during illumination with far red light. *Extreme oxidation of the PSII acceptor side after excitation with far red light and in the presence of O2. *Reverse coupling, causing partial re-reduction o
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Smirnov, M. S., O. V. Ovchinnikov, A. G. Vitukhnovsky, S. A. Ambrozhevitch, A. V. Katsaba, and T. S. Shatskikh. "The Picosecond Kinetic of Luminescence in Hydrophilic Colloidal CdS Quantum Dots." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35278.

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The picosecond kinetic of luminescence in conglomerations of hydrophilic colloidal CdS quantum dots with an average diameter of 2.5 nm in gelatin was investigated. It was observed in the recombination luminescence band with a maximum at 580 nm. A complicated character of depending in the time interval from 300 ps to 1800 ns was found. Obtained dependences were interpreted in terms of radiative recombination at the donor-acceptor pairs (different sizes), complicated non-radiative transitions involving localized charge carriers on deeper levels. When you are citing the document, use the fol
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Stoffers, Christian. "Saturation kinetics of low voltage phosphors." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/31047.

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Shastri, Vasant. "Single-photon-counting technique for luminescence spectra and decay measurements." Ohio : Ohio University, 1987. http://www.ohiolink.edu/etd/view.cgi?ohiou1183060409.

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Kodambaka, S., C. Ngo, Justinas Palisaitis, P. H. Mayrhofer, Lars Hultman, and Per O. A. Persson. "Kinetics of Ga droplet decay on thin carbon films." Linköpings universitet, Tunnfilmsfysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-93860.

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Using in situ transmission electron microscopy, we investigated the kinetics of liquid Ga droplet decay on thin amorphous carbon films during annealing at 773 K. The transmission electron microscopy images reveal that liquid Ga forms spherical droplets and undergo coarsening/decay with increasing time. We find that the droplet volumes change non-linearly with time and the volume decay rates depend on their local environment. By comparing the late-stage decay behavior of the droplets with the classical mean-field theory model for Ostwald ripening, we determine that the decay of Ga droplets occu
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Qian, Yuhui. "Study of Basic Wood Decay Mechanisms and Their Biotechnological Applications." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/QianY2008.pdf.

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Su, Zhichun. "The kinetics of the decay of methyl radicals at high temperatures." Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/10369.

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Shock tube experiments were conducted to observe the primary reactions of methyl radicals. 0.7%-7% azomethane diluted in argon or nitrogen was used as a precursor for methyl radicals. The rate of disappearance of CH$\sb3$ radicals was measured behind incident shock waves in real time using a high resolution laser schlieren technique. The measurements covered the temperature range 1400-4000 K and the pressure range 0.1-1.1 atm. Selected experimental results were analyzed by an analytic point-by-point approach, which led to a self-consistent determination of the rate coefficient for methyl recom
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Evans, Christopher Riche. "Triplet derived radical pairs in micelles: Decay kinetics and magnetic field effects." Thesis, University of Ottawa (Canada), 1989. http://hdl.handle.net/10393/21399.

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Mazzochette, Mark Joseph. "Shedding Light on Decay Kinetics of Critical Wastewater Bacteria with Molecular Tools." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23165.

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Decay kinetics of bacteria in biological wastewater treatment systems are vital to efficient design and operation of treatment plants.  Of special concern are decay characteristics of fecal indicator organisms, which can aid design of wastewater treatment processes to eliminate fecal pathogens.  This study focuses on characterizing the decay of three strains of the key fecal indicator bacterium, Escherichia coli, and comparing microbial techniques for quantifying decay rates.  Traditional metrics for monitoring decay include volatile solids and plate counts, which may not provide the full pict
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Devkota, Laxman Mani. "The kinetics of endogenous decay, death and lysis for viable organic solids." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184913.

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The long-term kinetic rates of solubilization/utilization of proteins, carbohydrates, and lipids in secondary solids from three municipal wastewater treatment plants were measured. Temperature, input sludge retention time (SRT₀), and terminal electron acceptor were used as control variables for two four-month digestion studies employing seven mixed batch reactors. Three types of adenosine triphosphate (ATP) measurements were used to differentiate between viable endogenous biomass, viable anaerobic/facultative biomass and intact non-viable solids. Solids solubilization was significantly affecte
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Books on the topic "Kinetics of luminescence decay"

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Collins, John Michael. Decay processes of highly excited laser ions in solids. 1987.

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Degoda, Volodymyr Ya. Kinetics of Recombination Luminescence and Conductivity of Crystals with Photo and X-Ray Excitation. Cambridge Scholars Publishing, 2024.

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Book chapters on the topic "Kinetics of luminescence decay"

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Saha, Gopal B. "Kinetics of Radioactive Decay." In Physics and Radiobiology of Nuclear Medicine. Springer New York, 2006. http://dx.doi.org/10.1007/978-0-387-36281-6_3.

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Saha, Gopal B. "Kinetics of Radioactive Decay." In Physics and Radiobiology of Nuclear Medicine. Springer New York, 2001. http://dx.doi.org/10.1007/978-1-4757-3497-3_3.

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Nagy, S. "Kinetics of Radioactive Decay." In Handbook of Nuclear Chemistry. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4419-0720-2_7.

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Saha, Gopal B. "Kinetics of Radioactive Decay." In Physics and Radiobiology of Nuclear Medicine. Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4757-6184-9_3.

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Saha, Gopal B. "Kinetics of Radioactive Decay." In Physics and Radiobiology of Nuclear Medicine. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4012-3_3.

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Podgoršak, Ervin B. "Kinetics of Radioactive Decay." In Compendium to Radiation Physics for Medical Physicists. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-20186-8_10.

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Podgoršak, Ervin B. "Kinetics of Radioactive Decay." In Graduate Texts in Physics. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-25382-4_10.

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Podgoršak, Ervin B. "Kinetics of Radioactive Decay." In Radiation Physics for Medical Physicists. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00875-7_10.

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Tsytovich, Vadim N. "Non-linear Decay Interactions." In Lectures on Non-linear Plasma Kinetics. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-78902-1_8.

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Pyeon, Cheol Ho. "Reactor Kinetics." In Accelerator-Driven System at Kyoto University Critical Assembly. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0344-0_3.

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AbstractIn static and kinetic experimental analyses, the reactivity effect of introducing a neutron guide has been examined with various materials and adjustments of the beam window. With the objective of improving the KUCA core characteristics, the implementation of the neutron guide is predicted to increase the fast neutrons in directing the fuel region. With regard to the kinetic characteristics, the subcriticality and the prompt neutron decay constant are monitored for several core configurations and detector positions. The KUCA core is equipped to make locally a hard spectrum core region
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Conference papers on the topic "Kinetics of luminescence decay"

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Zoghi, M., M. Batarseh, R. Wu, J. A. Tuszynski, and A. Dogariu. "Dynamics of Delayed Luminescence in Tubulin and Microtubule Constructs: an Insight into Collective Radiative Effects." In Bio-Optics: Design and Application. Optica Publishing Group, 2025. https://doi.org/10.1364/boda.2025.dtu1a.5.

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We report, for the first time, measurements of delayed luminescence on tubulin constructs. The results demonstrate the role of mesoscopic structure on emission strength and decay dynamics, which provides a new perspective on radiative phenomena.
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Paul, S., and P. K. Mitra. "Computer Simulation of Cathodic Protection for Offshore Structure." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03089.

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Abstract Formation of calcareous deposit influences applied potential and current for long-term protection of offshore structures. A model is proposed to predict the applied potential-time history with an aim to establish mathematical correlation between applied potential on cathodically protected surface and time by computer simulation technique, following principles of electrochemical kinetics. Comparative studies between experimental and numerical analysis data show good agreement. The model opens up a method of determination of rate constant of kinetics of calcareous deposit formation. Eff
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Vornovskikh, Anastasia A., Alexey P. Zavjalov, Oleg O. Shichalin, Stanislav S. Balabanov, Denis Yu Kosyanov, and Jiang Li. "The Luminescence Kinetics of Al2O3–Ce:YAG Ceramic Phosphors: Application of SR for Correct Investigations." In 2024 IEEE 25th International Conference of Young Professionals in Electron Devices and Materials (EDM). IEEE, 2024. http://dx.doi.org/10.1109/edm61683.2024.10614967.

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Thornley, Blake, Anne Neville, Mike Bryant, and Robert Beadling. "Investigation into the Repassivation Kinetics of CoCrMo for Applications in a Simulated Biological Environment." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13232.

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Abstract The re-passivation kinetics and composition of the passive film of CoCrMo alloys in simulated body fluids have been investigated, with key emphasis being to assess the effect that proteins have on these features. The kinetics were analyzed using potentiostatic polarization, applying a second order exponential decay to the current transients obtained, which consists of two phases: coverage and thickening. Repassivation occurred quickest in a phosphate environment with presence of bovine serum albumin (BSA) hindering the process as it inhibits access of the oxidant. By using X- ray phot
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Hornus, Edgar C., Martín A. Rodríguez, Ricardo M. Carranza, and Raul B. Rebak. "Effect of Temperature on the Repassivation Kinetics of Crevice-Corroded Nickel Base Alloys." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05739.

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Abstract Nickel alloys containing chromium and molybdenum are candidate materials for the construction of high-level nuclear waste containers. The temperature at the waste containers surface will rise after the repository closure due to the heat released from radioactive decay. After reaching a peak, temperature will slowly decrease. In the present work, we have studied the crevice corrosion repassivation kinetics on cooling, for alloys N06022, N07022 and N10362 in chloride solutions. A two-stage electrochemical test was used. Crevice corrosion initiation and propagation occurred after an incu
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Raja, K. S., F. M. Song, D. A. Jones, S. A. Namjoshi, and L. G. McMillion. "Correlation of Current Transients to Film Rupture During Tensile Loading of Type 304 SS and Alloy 22 in 4 M NaCl Solution at 60° C." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03540.

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Abstract The objective of this study is to investigate the effect of strain hardening on the passive film repassivation kinetics. This helps understand the film breakdown and repair processes occurring at the crack tip of a ductile material. Straining electrode tests were carried out by applying load-unload-reload cycles at different strain rates on 304 SS and alloy 22 tensile specimens in 4 M NaCl solution at 60°C at a constant potential of -250 mV (Ag/AgCl). Current transients were measured during straining and the slope of strain rate vs maximum current plot for 304 SS in mill-annealed cond
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Patel, Ishan, David Young, and Gheorghe Bota. "Physicochemical Description of Refinery High Temperature Naphthenic Acid Corrosion." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20988.

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Abstract Refinery high temperature naphthenic acid corrosion is known to generate oil soluble iron naphthenates and solid iron oxide as corrosion products. Associated chemical reactions have been written for a long time but are barely sufficient to resolve the comprehensive mechanism necessary to model their kinetics. A mechanism for naphthenic acid corrosion is proposed to be proceeding via formation of active intermediate by adopting the Lindemann-Hinshelwood approach. The rate law for the calculation of pure naphthenic acid corrosion rate was derived using a pseudo steady state hypothesis w
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Urmanov, B. D., M. S. Leonenya, and G. P. Yablonskii. "Luminescence Decay Kinetics of Electron-Hole Plasma in II-VI Epitaxial Layers and Micropowders." In 2021 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD). IEEE, 2021. http://dx.doi.org/10.1109/nusod52207.2021.9541458.

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Nikitchenko, V. I., A. O. Semenov, and G. G. Khokhlov. "Luminescence decay kinetics, nonradiative energy transfer and statistics of chromophore distribution in a medium." In 2ND INTERNATIONAL CONFERENCE & EXPOSITION ON MECHANICAL, MATERIAL, AND MANUFACTURING TECHNOLOGY (ICE3MT 2022). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0134089.

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Borisevich, N. A., E. V. Khoroshilov, I. V. Kryukov, et al. "Time-Resolved Decay of Absorption Anisotropy Due to Rotation of Molecules in Gas Phase." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.mc2.

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A molecular absorption of linearly polarized light gives origin to an ensemble of anisotropically excited molecules. As a result of reorientation (rotation) of molecules the anisotropy (absorption or luminescence) changes with time. The calculations performed classically by Blokhin et al. [1,2] and later quantum mechanically by Myers and Hochstrasser [3] and Felker and Zewail [4] showed that the relaxation of optically induced orientational anisotropy of the ensemble of free molecules in gas phase has a complex time dependence, and differs significantly from the relaxation in condensed media.
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Reports on the topic "Kinetics of luminescence decay"

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Glass, Samuel V., Samuel L. Zelinka, Charles R. Boardman, and Emil Engelund Thybring. Promoting advances in understanding water vapor sorption in wood: relegating popular models and misconceptions. Department of the Built Environment, 2023. http://dx.doi.org/10.54337/aau541615744.

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Water vapor sorption is a fundamental characteristic of wood as a building material. Apart from empirical prediction, models are often used to interpret the time-dependent process of water vapor uptake (sorption kinetics) and equilibrium states of water in wood (sorption isotherms). This paper summarizes our recent investigations into measurement methods and popular models that are widely used for interpreting these physical phenomena. Commonly used criteria for determining equilibrium moisture content with the dynamic vapor sorption technique yield much larger errors than previously thought.
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Brouard, E., J. E. Campbell, P. M. Godbout, et al. Report of 2023 field activities for the GEM-GeoNorth West-central Keewatin Glacial Dynamics activity, Nunavut. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332531.

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The landscapes we see today in northern Canada are the results of the dynamics of former continental glaciations of the Quaternary. As the environment evolved with the cyclic growth and decay of ice sheets, it is paramount to understand the history of these glacial cycles to provide a robust framework for geological and environmental studies. Much is known about these glaciations in southern Canada, but in northern Canada, extensive regions remain poorly studied because of their remoteness and hence knowledge of past glaciations there remains somewhat limited. West-central Keewatin, for exampl
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