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1

Kulla, Patricia, Tina Braun, Tim Reichenberger, and Joachim Kruse. "Researching Shame, Dissociation, and Their Relationship Using Latent Change Modeling." Journal of Experimental Psychopathology 14, no. 2 (2023): 204380872311627. http://dx.doi.org/10.1177/20438087231162756.

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Shame and dissociation play pivotal roles in the pathogenesis and treatment of (complex) post-traumatic stress disorder. However, the causal relationship between these two symptoms remains unclear. We tested the association between state shame and state dissociation in 249 participants (Mage = 27.55; SDage = 8.74; 60.24% female; 84.7% no mental illness). After completing questionnaires (trait shame and dissociation, trauma history), participants were randomly allocated to an imaginative shame or dissociation induction group, and changes in state shame and dissociation were measured. The data w
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2

Bellezza, Francis S. "Modeling Guessing." Zeitschrift für Psychologie / Journal of Psychology 217, no. 3 (2009): 125–35. http://dx.doi.org/10.1027/0044-3409.217.3.125.

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Multinomial processing-tree modeling has had a major impact on process-dissociation theory. Buchner, Erdfelder, and Vaterrodt-Plünnecke (1995) added guessing parameters to the original model of Jacoby (1991) and created a class of process-dissociation models. Furthermore, Erfelder and Buchner (1998) formulated criterion values of the dual-process signal-detection model ( Yonelinas, 1994 ) as multinomial parameters. Buchner, Erdfelder, Steffens, and Martensen (1997) suggested a new approach by proposing a multinomial source-monitoring model for process-dissociation data. Two experiments describ
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3

Zaporozhets, E. P., and N. A. Shostak. "Mathematical modeling of some features of gas hydrates dissociation." Proceedings of the Voronezh State University of Engineering Technologies 80, no. 2 (2018): 313–22. http://dx.doi.org/10.20914/2310-1202-2018-2-313-322.

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In the modern oil and gas industry, specialists often have to solve multifaceted problems associated with processes of dissociation of technogenic and natural gas hydrates. Known methods of calculation and dissociation studies mainly describe this process with the supply to heat hydrate. However, when using the method of pressure reduction for dissociation, hydrate metastability states are manifested - self-preservation and conservation effects, discovered by Russian and foreign researchers. Available in the literature descriptions of the effects of metastability were obtained as a result of e
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4

Hueber, Amandine, Yves Gimbert, Geoffrey Langevin, et al. "Identification of bacterial lipo-amino acids: origin of regenerated fatty acid carboxylate from dissociation of lipo-glutamate anion." Amino Acids 54, no. 2 (2022): 241–50. http://dx.doi.org/10.1007/s00726-021-03109-1.

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AbstractThe identification of bacterial metabolites produced by the microbiota is a key point to understand its role in human health. Among them, lipo-amino acids (LpAA), which are able to cross the epithelial barrier and to act on the host, are poorly identified. Structural elucidation of few of them was performed by high-resolution tandem mass spectrometry based on electrospray combined with selective ion dissociations reach by collision-induced dissociation (CID). The negative ions were used for their advantages of yielding only few fragment ions sufficient to specify each part of LpAA with
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5

Liu, Zhiying, Qianghui Xu, Junyu Yang, and Lin Shi. "Pore-Scale Modeling of Methane Hydrate Dissociation Using a Multiphase Micro-Continuum Framework." Energies 16, no. 22 (2023): 7599. http://dx.doi.org/10.3390/en16227599.

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The development of methane hydrate extraction technology remains constrained due to the limited physical understanding of hydrate dissociation dynamics. While recent breakthroughs in pore-scale visualization techniques offer intuitive insights into the dissociation process, obtaining a profound grasp of the underlying mechanisms necessitates more than mere experimental observations. In this research, we introduce a two-phase micro-continuum model that facilitates the numerical simulation of methane hydrate dissociation at both single- and multiscale levels. We employed this numerical model to
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6

Schafer, Lothar, A. A. Ischenko, Yu A. Zhabanov, A. A. Otlyotov, and G. V. Girichev. "PHOTODISSOCIATION DYNAMICS OF SPATIALLY ALIGNED MOLECULES BY TIME-RESOLVED ELECTRON DIFFRACTION." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 60, no. 3 (2017): 4. http://dx.doi.org/10.6060/tcct.2017603.5551.

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The anisotropic ensembles of laser-excited molecules can be formed, for example, under the action of fs pulses of polarized laser radiation. It was theoretically predicted that the electron diffraction pattern from aligned molecules in the gas phase allows determining not only internuclear distances but also valence angles that is 3D molecular structure. In the current article, we propose the basic elements of the theory that can be employed for analyze of time-resolved electron diffraction (TRED) data obtained from oriented/aligned laser-excited molecules. This formalism is applicable to diss
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7

Musakaev, N. G., S. L. Borodin, and D. S. Belskikh. "MATHEMATICAL MODELING OF HEATED GAS DISSOCIATION PROCESS INTO THE RESERVOIR SATURATED WITH METHANE AND ITS HYDRATE." Oil and Gas Studies, no. 4 (August 30, 2018): 68–74. http://dx.doi.org/10.31660/0445-0108-2018-4-68-74.

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The article presents the mathematical modeling of heated gas dissociation process into the reservoir saturated with methane and its hydrate. We studied how different factors has affected the dissociation process. The article shows that the gas hydrate dissociation in porous medium originates on a frontal border during the injection of heated gas.
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8

Ziółkowski, Marcin, Anna Vikár, Maricris Lodriguito Mayes, Ákos Bencsura, György Lendvay, and George C. Schatz. "Modeling the electron-impact dissociation of methane." Journal of Chemical Physics 137, no. 22 (2012): 22A510. http://dx.doi.org/10.1063/1.4733706.

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9

Rodgers, M. T., Kent M. Ervin, and P. B. Armentrout. "Statistical modeling of collision-induced dissociation thresholds." Journal of Chemical Physics 106, no. 11 (1997): 4499–508. http://dx.doi.org/10.1063/1.473494.

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10

Brübach, Lucas, Daniel Hodonj, Linus Biffar, and Peter Pfeifer. "Detailed Kinetic Modeling of CO2-Based Fischer–Tropsch Synthesis." Catalysts 12, no. 6 (2022): 630. http://dx.doi.org/10.3390/catal12060630.

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The direct hydrogenation of CO2 to long-chain hydrocarbons, so called CO2-based Fischer–Tropsch synthesis (FTS), is a viable future production route for various hydrocarbons used in the chemical industry or fuel applications. The detailed modeling of the reactant consumption and product distribution is very important for further process improvements but has gained only limited attention so far. We adapted proven modeling approaches from the traditional FTS and developed a detailed kinetic model for the CO2-FTS based on experiments with an Fe based catalyst in a lab-scale tubular reactor. The m
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11

Muntean, Felician, Lars Heumann, and P. B. Armentrout. "Modeling kinetic shifts in threshold collision-induced dissociation. Case study: Dichlorobenzene cation dissociation." Journal of Chemical Physics 116, no. 13 (2002): 5593–602. http://dx.doi.org/10.1063/1.1458247.

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12

Armentrout, P. B. "Statistical modeling of sequential collision-induced dissociation thresholds." Journal of Chemical Physics 126, no. 23 (2007): 234302. http://dx.doi.org/10.1063/1.2741550.

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13

Rodgers, M. T., and P. B. Armentrout. "Statistical modeling of competitive threshold collision-induced dissociation." Journal of Chemical Physics 109, no. 5 (1998): 1787–800. http://dx.doi.org/10.1063/1.476754.

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14

Barbin, N., I. Tikina, and D. Terentyev. "Thermodynamic modeling of melt of the Bi-Pb-Sn-Cd system." Journal of Physics: Conference Series 2057, no. 1 (2021): 012104. http://dx.doi.org/10.1088/1742-6596/2057/1/012104.

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Abstract Thermodynamic modeling of heating of the Bi-Pb-Sn-Cd system in a wide temperature range is performed in the TERRA software package. The equilibrium constants of thermal dissociation reactions are determined. The equilibrium constants of thermal dissociation reactions for metal compounds formed in the Bi-Pb-Sn-Cd melt as a result of heating are determined: BiPb, PbSn, SnBi, Pb3Bi, Pb5Bi4Sn4, PbSn3, Bi2Sn3, Bi7Pb, CdSn, Sn3Bi, PbBi2Sn2, Pb3Bi4, Cd3Bi2, Bi7Pb3, Sn4Bi2.
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15

Naidis, G. V., and N. Yu Babaeva. "Low-pressure CO2 discharges: 1D modeling." Physics of Plasmas 30, no. 1 (2023): 013506. http://dx.doi.org/10.1063/5.0130672.

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A 1D model of glow low-pressure CO2 discharges is developed. In the framework of this model, simulation of stationary and repetitively pulsed discharges at pressure ranging from 0.5 to 5 Torr and current from 10 to 50 mA is performed. The obtained plasma characteristics are compared with the available experimental results and with the data evaluated based on the approximate 0D approach. The results of 0D and 1D calculations agree for most of plasma parameters, except for the molar fraction of CO molecules produced at CO2 dissociation by electron impact. Agreement between the measured and calcu
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16

Yakin, Khusnul, Sidikrubadi Pramudito, and Kiagus Dahlan. "Perhitungan Energi Disosiasi Gugus Fungsi OH- dan PO43- Hidroksiapatit dengan Pemodelan Spektroskopi Inframerah Berbasis Particle Swarm Optimization (PSO)." INDONESIAN JOURNAL OF APPLIED PHYSICS 3, no. 01 (2016): 86. http://dx.doi.org/10.13057/ijap.v3i01.1236.

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<span>Hydroxyapatite Ca<span>10<span>(PO<span>4<span>)<span>6<span>(OH)<span>2 <span>is a calcium phosphate compound having biocompatibility <span>properties. FTIR (Fourier Transform Infrared Spectroscopy) was used to determine the <span>characteristics of the hydroxyapatite group. Modeling the functional groups of hydroxyapatite <span>can be used to obtain vibrational frequencies and spring constants. Analysis of energy release <span>function is performed by calculating the dissociation energy. In this paper will be
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17

Murakami, Tatsuhiro, Hinami Ueno, Yuya Kikuma, and Toshiyuki Takayanagi. "Nuclear Quantum Effects in the Ionic Dissociation Dynamics of HCl on the Water Ice Cluster." Molecules 30, no. 3 (2025): 442. https://doi.org/10.3390/molecules30030442.

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Nuclear quantum effects play a significant role in the dissociation dynamics of HCl ions during collisions with the (H2O)49 ice cluster. These effects become particularly important when analyzing proton transfer, tunneling, and zero-point energy contributions during the dissociation process. In this study, we investigate the dissociation behavior of HCl when colliding with the (H2O)49 ice cluster, focusing on the influence of the nuclear quantum effects on the proton transfer mechanism, ionic dissociation rates, and subsequent solvation dynamics. Through a combination of classical molecular dy
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18

Ning, Zi-Jie, Hong-Feng Lu, Shao-Fei Zheng, Dong-Hui Xing, Xian Li, and Lei Liu. "Modeling and Numerical Investigations of Gas Production from Natural Gas Hydrates." Energies 16, no. 20 (2023): 7184. http://dx.doi.org/10.3390/en16207184.

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As ice-like crystals and non-stoichiometric compounds comprising gas and water, natural gas hydrates have drawn significant attention as a potential alternative energy source. This work focuses on holistically reviewing theoretical modeling and numerical studies conducted on the production of gas from natural gas hydrates. Firstly, fundamental models for the dissociation of a hydrate in a porous sediment are summarized in terms of the phase equilibrium and dissociation kinetics. The main features of different models and improvements for them are identified by clarifying crucial driving mechani
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19

Sholihah, Mar’atus, and Wu-Yang Sean. "Numerical Simulation on the Dissociation, Formation, and Recovery of Gas Hydrates on Microscale Approach." Molecules 26, no. 16 (2021): 5021. http://dx.doi.org/10.3390/molecules26165021.

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Investigations into the structures of gas hydrates, the mechanisms of formation, and dissociation with modern instruments on the experimental aspects, including Raman, X-ray, XRD, X-CT, MRI, and pore networks, and numerical analyses, including CFD, LBM, and MD, were carried out. The gas hydrate characteristics for dissociation and formation are multi-phase and multi-component complexes. Therefore, it was important to carry out a comprehensive investigation to improve the concept of mechanisms involved in microscale porous media, emphasizing micro-modeling experiments, 3D imaging, and pore netw
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20

Lin, Yu-Jeng, Nazir Hossain, and Chau-Chyun Chen. "Modeling dissociation of ionic liquids with electrolyte NRTL model." Journal of Molecular Liquids 329 (May 2021): 115524. http://dx.doi.org/10.1016/j.molliq.2021.115524.

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21

Boyd, Iain D., Graham V. Candler, and Deborah A. Levin. "Dissociation modeling in low density hypersonic flows of air." Physics of Fluids 7, no. 7 (1995): 1757–63. http://dx.doi.org/10.1063/1.868490.

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22

Roostaie, M., and Y. Leonenko. "Analytical modeling of methane hydrate dissociation under thermal stimulation." Journal of Petroleum Science and Engineering 184 (January 2020): 106505. http://dx.doi.org/10.1016/j.petrol.2019.106505.

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23

Panter, Justin L., Adam L. Ballard, Amadeu K. Sum, E. Dendy Sloan, and Carolyn A. Koh. "Hydrate Plug Dissociation via Nitrogen Purge: Experiments and Modeling." Energy & Fuels 25, no. 6 (2011): 2572–78. http://dx.doi.org/10.1021/ef200196z.

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24

Kolev, St, Ts Paunska, G. Trenchev, and A. Bogaerts. "Modeling the CO2 dissociation in pulsed atmospheric-pressure discharge." Journal of Physics: Conference Series 1492 (April 2020): 012007. http://dx.doi.org/10.1088/1742-6596/1492/1/012007.

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25

Govorun, A. E., E. N. Esimbekova, and V. A. Kratasyuk. "NAD(P)H: FMN-oxidoreductase functioning under macromolecular crowding: in vitro modeling." Доклады Академии наук 486, no. 4 (2019): 500–503. http://dx.doi.org/10.31857/s0869-56524864500-503.

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The functioning of Vibrio fischeri NAD(P)H: FMN-oxidoreductase (Red) under conditions of macromolecular crowding (MMC) modeled in vitro by adding biopolymers (starch and gelatin) was studied. The dissociation rate constants and the activation energies of dissociation of Red to the subunits were calculated; the process of denaturation of Red was analyzed. It was shown that the functioning of Red both under conditions of MMC and diluted solutions is the same. The result refutes the common belief that due to MMC the stabilization of enzymes’ native conformation occurs in vivo when compared to in
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26

Bao, Junwei Lucas, Xin Zhang, and Donald G. Truhlar. "Barrierless association of CF2and dissociation of C2F4by variational transition-state theory and system-specific quantum Rice–Ramsperger–Kassel theory." Proceedings of the National Academy of Sciences 113, no. 48 (2016): 13606–11. http://dx.doi.org/10.1073/pnas.1616208113.

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Bond dissociation is a fundamental chemical reaction, and the first principles modeling of the kinetics of dissociation reactions with a monotonically increasing potential energy along the dissociation coordinate presents a challenge not only for modern electronic structure methods but also for kinetics theory. In this work, we use multifaceted variable-reaction-coordinate variational transition-state theory (VRC-VTST) to compute the high-pressure limit dissociation rate constant of tetrafluoroethylene (C2F4), in which the potential energies are computed by direct dynamics with the M08-HX exch
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27

Ramazanov, M., N. Bulgakova, L. Lobkovsky, E. Chuvilin, D. Davletshina, and N. Shakhova. "Dissociation kinetics of methane hydrate in frozen rocks at decreasing external pressure: mathematical and laboratory modeling." Doklady Rossijskoj akademii nauk. Nauki o Zemle 516, no. 2 (2024): 622–31. https://doi.org/10.31857/s2686739724060152.

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Dissociation of pore methane hydrate in ice- and gas-bearing sediments at external pressure below the equilibrium has been simulated in mathematical and physical (laboratory) models. The mathematical model, along with the experiment, provides constraints on dissociation kinetics. The suggested theoretical model confirms the trend of decreasing hydrate saturation of frozen soil Sh~Aτ(-n). observed previously in experiments. The physical model makes basis for calculating the coefficients A and n, while the mathematical modeling shows how the coefficients depend on the problem parameters. The the
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28

Muntean, Felician, and P. B. Armentrout. "Modeling Kinetic Shifts and Competition in Threshold Collision-Induced Dissociation. Case Study: n-Butylbenzene Cation Dissociation." Journal of Physical Chemistry A 107, no. 38 (2003): 7413–22. http://dx.doi.org/10.1021/jp035256g.

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29

Wang, Da Yong, Xiao Jing Ma, and Juan Qiao. "Impact Factors of Natural Gas Hydrate Dissociation by Depressurization: A Review." Advanced Materials Research 868 (December 2013): 564–67. http://dx.doi.org/10.4028/www.scientific.net/amr.868.564.

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Several geological factors can have a potential effect on dissociation of natural gas hydrate (NGH). It is important to understand their roles in safe exploitation of NGH deposits. This paper accordingly reviews experimental and numerical-modeling researches on impact factors of NGHs dissociation by depressurization. NGHs dissociation usually increases with increasing temperature, permeability, water saturation, thermal conductivity of sediments and depressurization rate of production well, whereas it is reverse for pressure, hydrate saturation, production wells pressure, gas saturation and pa
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30

Raju, Rajesh K., Ashfaq A. Bengali, and Edward N. Brothers. "A unified set of experimental organometallic data used to evaluate modern theoretical methods." Dalton Transactions 45, no. 35 (2016): 13766–78. http://dx.doi.org/10.1039/c6dt02763f.

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31

Мирочник, А. Г., Е. В. Федоренко та А. Ю. Белолипцев. "Люминесценция дитолуоилметаната дифторида бора. Образование J-агрегатов". Оптика и спектроскопия 130, № 2 (2022): 237. http://dx.doi.org/10.21883/os.2022.02.52006.1717-21.

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The processes of the formation of J-aggregates during the dissolution 2,2-difluoro-4,6-di(4’-methylphenyl)-1,3,2-dioxaborine crystals (1) and their subsequent dissociation have been studied by absorption and luminescence spectroscopy and quantum-chemical modeling. It is shown that two luminescent centers are observed in the solution 1: monomeric luminescence and luminescence of J-aggregates (dual luminescence). Evolution of absorption, luminescence excitation and luminescence spectra is observed over time, indicating a slow dissociation of J-aggregates.
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32

Chuvilin, Davletshina, Ekimova, Bukhanov, Shakhova, and Semiletov. "Role of Warming in Destabilization of Intrapermafrost Gas Hydrates in the Arctic Shelf: Experimental Modeling." Geosciences 9, no. 10 (2019): 407. http://dx.doi.org/10.3390/geosciences9100407.

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Destabilization of intrapermafrost gas hydrates is one of the possible mechanisms responsible for methane emission in the Arctic shelf. Intrapermafrost gas hydrates may be coeval to permafrost: they originated during regression and subsequent cooling and freezing of sediments, which created favorable conditions for hydrate stability. Local pressure increase in freezing gas-saturated sediments maintained gas hydrate stability from depths of 200–250 meters or shallower. The gas hydrates that formed within shallow permafrost have survived till present in the metastable (relict) state. The metasta
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33

Chuvilin, Evgeny, Gennadiy Tipenko, Boris Bukhanov, Vladimir Istomin, and Dimitri Pissarenko. "Simulating Thermal Interaction of Gas Production Wells with Relict Gas Hydrate-Bearing Permafrost." Geosciences 12, no. 3 (2022): 115. http://dx.doi.org/10.3390/geosciences12030115.

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The thermal interaction of a gas production well with ice-rich permafrost that bears relict gas hydrates is simulated in Ansys Fluent using the enthalpy formulation of the Stefan problem. The model admits phase changes of pore ice and hydrate (ice melting and gas hydrate dissociation) upon permafrost thawing. The solution is derived from the energy conservation within the modeling domain by solving a quasilinear thermal conductivity equation. The calculations are determined for a well completion with three casing strings and the heat insulation of a gas lifting pipe down to a depth of 55 m. Th
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34

Paenurk, Eno, and Peter Chen. "Modeling Gas-Phase Unimolecular Dissociation for Bond Dissociation Energies: Comparison of Statistical Rate Models within RRKM Theory." Journal of Physical Chemistry A 125, no. 9 (2021): 1927–40. http://dx.doi.org/10.1021/acs.jpca.1c00183.

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35

Josyula, Eswar, William F. Bailey, and Casimir J. Suchyta. "Dissociation Modeling in Hypersonic Flows Using State-to-State Kinetics." Journal of Thermophysics and Heat Transfer 25, no. 1 (2011): 34–47. http://dx.doi.org/10.2514/1.49903.

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36

Dicharry, Christophe, Pascal Gayet, Gérard Marion, Alain Graciaa, and Anatoliy N. Nesterov. "Modeling Heating Curve for Gas Hydrate Dissociation in Porous Media." Journal of Physical Chemistry B 109, no. 36 (2005): 17205–11. http://dx.doi.org/10.1021/jp0504975.

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37

Andrienko, Daniil A., and Iain D. Boyd. "High fidelity modeling of thermal relaxation and dissociation of oxygen." Physics of Fluids 27, no. 11 (2015): 116101. http://dx.doi.org/10.1063/1.4935241.

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38

Okada, Yoshiki, Kei Sunouchi, Shuji Kato, Hideo Tashiro, and Kazuo Takeuchi. "Modeling of Multifrequency Infrared Multiphoton Dissociation for Laser Isotope Separation." JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 27, no. 2 (1994): 222–27. http://dx.doi.org/10.1252/jcej.27.222.

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39

Goel, Naval, Michael Wiggins, and Subhash Shah. "Analytical modeling of gas recovery from in situ hydrates dissociation." Journal of Petroleum Science and Engineering 29, no. 2 (2001): 115–27. http://dx.doi.org/10.1016/s0920-4105(01)00094-8.

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40

Lee, Ming-Tsung, Aleksey Vishnyakov, and Alexander V. Neimark. "Modeling Proton Dissociation and Transfer Using Dissipative Particle Dynamics Simulation." Journal of Chemical Theory and Computation 11, no. 9 (2015): 4395–403. http://dx.doi.org/10.1021/acs.jctc.5b00467.

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41

Hashemi, Hamed, Saeedeh Babaee, Amir H. Mohammadi, Paramespri Naidoo, and Deresh Ramjugernath. "Experimental measurements and thermodynamic modeling of refrigerant hydrates dissociation conditions." Journal of Chemical Thermodynamics 80 (January 2015): 30–40. http://dx.doi.org/10.1016/j.jct.2014.08.007.

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42

Macheret, Sergey O., and Igor V. Adamovich. "Semiclassical modeling of state-specific dissociation rates in diatomic gases." Journal of Chemical Physics 113, no. 17 (2000): 7351–61. http://dx.doi.org/10.1063/1.1313386.

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43

Ghiasi, Mohammad M., Younes Noorollahi, and Alireza Aslani. "CO2 hydrate: Modeling of incipient stability conditions and dissociation enthalpy." Petroleum Science and Technology 36, no. 4 (2018): 259–65. http://dx.doi.org/10.1080/10916466.2017.1402036.

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44

Solomko, V., M. Verstraete, A. Delcorte, B. J. Garrison, X. Gonze, and P. Bertrand. "Modeling the dissociation and ionization of a sputtered organic molecule." Applied Surface Science 252, no. 19 (2006): 6459–62. http://dx.doi.org/10.1016/j.apsusc.2006.02.075.

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45

Nazridoust, Kambiz, and Goodarz Ahmadi. "Computational modeling of methane hydrate dissociation in a sandstone core." Chemical Engineering Science 62, no. 22 (2007): 6155–77. http://dx.doi.org/10.1016/j.ces.2007.06.038.

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46

Lin, Jeen-Shang, Yongkoo Seol, and Jeong Hoon Choi. "Geomechanical modeling of hydrate-bearing sediments during dissociation under shear." International Journal for Numerical and Analytical Methods in Geomechanics 41, no. 14 (2017): 1523–38. http://dx.doi.org/10.1002/nag.2695.

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47

Yassen, Ashraf, Erik Olofsen, Raymonda Romberg, Elise Sarton, Meindert Danhof, and Albert Dahan. "Mechanism-based Pharmacokinetic–Pharmacodynamic Modeling of the Antinociceptive Effect of Buprenorphine in Healthy Volunteers." Anesthesiology 104, no. 6 (2006): 1232–42. http://dx.doi.org/10.1097/00000542-200606000-00019.

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Background The objective of this investigation was to characterize the pharmacokinetic-pharmacodynamic relation of buprenorphine's antinociceptive effect in healthy volunteers. Methods Data on the time course of the antinociceptive effect after intravenous administration of 0.05-0.6 mg/70 kg buprenorphine in healthy volunteers was analyzed in conjunction with plasma concentrations by nonlinear mixed-effects analysis. Results A three-compartment pharmacokinetic model best described the concentration time course. Four structurally different pharmacokinetic-pharmacodynamic models were evaluated f
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48

Mirochnik A. G., Fedorenko E.V., and Beloliptsev A. Yu. "Luminescence of boron difluoride ditoluoylmethanate. Formation of J-aggregatess." Optics and Spectroscopy 132, no. 2 (2022): 236. http://dx.doi.org/10.21883/eos.2022.02.53212.1717-21.

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The processes of the formation of J-aggregates during the dissolution 2,2-difluoro-4,6-di(4'-methylphenyl)-1,3,2-dioxaborine crystals ( 1) and their subsequent dissociation have been studied by absorption and luminescence spectroscopy and quantum-chemical modeling. It is shown that two luminescent centers are observed in the solution 1: monomeric luminescence and luminescence of J-aggregates (dual luminescence). Evolution of absorption, excitation and luminescence spectra is observed over time, indicating a slow dissociation of J-aggregates. Keywords: luminescence, absorption spectra, boron di
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49

Ruan, Xu Ke, Yong Chen Song, and Hai Feng Liang. "Modeling the Effect of Permeability on Methane Gas Production from Hydrates in Porous Media." Applied Mechanics and Materials 29-32 (August 2010): 1762–67. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.1762.

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To make the recovery of methane from hydrates commercially viable, many uncertainties in hydrate dissociation process in porous media must be solved. In this study, the permeability variation with the pore-scale hydrate distributions was experimentally determined, and through the comparison of the experimental results with permeability correlations, the hydrate forming in the center of pore space was confirmed. To evaluate the effect of permeability reduction, absolute permeability and relative permeability on MH dissociation and gas production behavior, the Masuda permeability model was incor
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50

Abdullah, Nashwan, Bohdan Kutnyi, Maryna Leshchenko, and Liubov Shumska. "Decomposition of Hydrates under the Action of Ultrahigh-Frequency Radiation." International Journal of Engineering & Technology 7, no. 4.8 (2018): 7–16. http://dx.doi.org/10.14419/ijet.v7i4.8.27206.

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In this work series of field experiments was conducted, a mathematical model was developed and a number of studies were performed to investigate the process of hydrate dissociation under the influence of ultrahigh-frequency radiation. The assumption is implicit that the effect of volumetric sources of heat is the dominant influence on hydration dissociation under the influence of microwave radiation, rather than the effect of boundary conditions. This provision formed the basis of the mathematical modeling of the hydrate massif dissociation. It has been established that processes of heating wa
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