Academic literature on the topic 'Quasi-equilibrium combination'

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Journal articles on the topic "Quasi-equilibrium combination"

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CHARAFI, MY M., A. SADOK, A. KAMAL, and A. MENAI. "QUASI-THREE-DIMENSIONAL MATHEMATICAL MODELING OF MORPHOLOGICAL PROCESSES BASED ON EQUILIBRIUM SEDIMENT TRANSPORT." International Journal of Modern Physics C 11, no. 07 (2000): 1425–36. http://dx.doi.org/10.1142/s0129183100001267.

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A quasi-three-dimensional mathematical model has been developed to study the morphological processes based on equilibrium sediment transport method. The flow velocities are computed by a two-dimensional horizontal depth-averaged flow model (H2D) in combination with logarithmic velocity profiles. The transport of sediment particles by a flow water has been considered in the form of bed load and suspended load. The bed load transport rate is defined as the transport of particles by rolling and saltating along the bed surface and is given by the Van Rijn relationship (1987). The equilibrium suspe
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Li, Gaobo. "A New Study on Halpern and Nonconvex Combination Algorithm for Nonlinear Mappings in Banach Spaces with Applications." Journal of Mathematics 2021 (January 28, 2021): 1–17. http://dx.doi.org/10.1155/2021/6674427.

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In this paper, we introduce a Halpern algorithm and a nonconvex combination algorithm to approximate a solution of the split common fixed problem of quasi- ϕ -nonexpansive mappings in Banach space. In our algorithms, the norm of linear bounded operator does not need to be known in advance. As the application, we solve a split equilibrium problem in Banach space. Finally, some numerical examples are given to illustrate the main results in this paper and compare the computed results with other ones in the literature. Our results extend and improve some recent ones in the literature.
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Özmen, Haluk, and Akbar Naseriazar. "Effect of simulations enhanced with conceptual change texts on university students’ understanding of chemical equilibrium." Journal of the Serbian Chemical Society 83, no. 1 (2018): 121–37. http://dx.doi.org/10.2298/jsc161222065o.

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The aim of this research was to investigate the effect of computer simulations enhanced with conceptual change texts (CS-CCT) on first year university students? understanding of chemical equilibrium. A quasi-experimental design and one control group (CG, N = 60) as well as one experimental group (EG, N = 65) were used in the study. While students in CG were taught with traditional methods based on textbooks and blackboard, the EG studied the same unit with CS-CCT. The chemical equilibrium concept test (CECT) was administered as pre-test, post-test and delayed test to collect data. The results
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De Laat, T. W. G., and R. Coene. "Two-dimensional vortex motion in the cross-flow of a wing-body configuration." Journal of Fluid Mechanics 305 (December 25, 1995): 93–109. http://dx.doi.org/10.1017/s0022112095004551.

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For a two-dimensional potential flow, Föppl obtained the equilibrium positions for a symmetric vortex pair behind a circular cylinder in a uniform oncoming flow. In this article it is shown that such an equilibrium is in general possible for a vortex in a stagnation flow (e. g. in a corner). Furthermore it is found that a vortex near such an equilibrium position will rotate with a definite frequency around this equilibrium. Expressions are derived for the frequencies associated with the closed orbits of the vortices in the case of equilibrium of a vortex in a stagnation flow and for the equili
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Liu, Haodong, Xinyu Li, Yuxin Wang, et al. "Elements and Chemical Bonds Contribution Estimation of Activity Coefficients in Nonideal Liquid Mixtures." Processes 10, no. 10 (2022): 2141. http://dx.doi.org/10.3390/pr10102141.

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Based on the contribution of elements and chemical bonds, the UNICAC (Universal Quasi-Chemical elements and chemical bonds Activity Coefficient) method was proposed to estimate the activity coefficients of nonelectrolyte liquid mixtures. The UNICAC method defined 10 elements and 33 chemical bonds as contribution groups. The calculation of activity coefficients was divided into the combination term and the residual term. The combination term represents molecular size differences, and the residual term describes the interaction between molecules. The interaction energy parameters of 43 groups we
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Bustamante, Ramiro O., Daniela Quiñones, Milen Duarte, Estefany Goncalves, and Lohengrin A. Cavieres. "Invasive Stages within Alien Species and Hutchinson’s Duality: An Example Using Invasive Plants of the Family Fabaceae in Central Chile." Plants 11, no. 8 (2022): 1063. http://dx.doi.org/10.3390/plants11081063.

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To understand the factors that limit invasive expansion in alien species, it is critical to predict potential zones of colonization. Climatic niche can be an important way to predict the potential distribution of alien species. This correlation between niche and geographic distribution is called Hutchinson’s duality. A combination of global and regional niches allows four invasive stages to be identified: quasi-equilibrium, local adaptation, colonization and sink stage. We studied the invasive stages of six alien leguminous species either in the niche or the geographical space. In five of the
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Hansen, Zachary R., Larissa E. Back, and Peigen Zhou. "Boundary Layer Quasi-Equilibrium Limits Convective Intensity Enhancement from the Diurnal Cycle in Surface Heating." Journal of the Atmospheric Sciences 77, no. 1 (2019): 217–37. http://dx.doi.org/10.1175/jas-d-18-0346.1.

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Abstract A combination of cloud-permitting model (CPM) simulations, satellite, and reanalysis data are used to test whether the diurnal cycle in surface temperature has a significant impact on the intensity of deep convection as measured by high-percentile updraft velocities, lightning, and CAPE. The land–ocean contrast in lightning activity shows that convective intensity varies between land and ocean independently from convective quantity. Thus, a mechanism that explains the land–ocean contrast must be able to do so even after controlling for precipitation variations. Motivated by the land–o
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Dobroserdova, A., E. Minina, J. J. Cerdà, C. Holm, and S. Kantorovich. "Microstructure of Bidisperse Ferrofluids in a Monolayer." Solid State Phenomena 190 (June 2012): 625–28. http://dx.doi.org/10.4028/www.scientific.net/ssp.190.625.

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In the present study we briefly analyze the cluster structures observed in the model bidisperse ferrofluid constrained in quasi-2D (q2D) layer in the absence of an externally applied magnetic field. We use a combination of a DFT approach and molecular dynamic simulation to quantitatively describe various chain and ring structures and their equilibrium area fractions. We also show that to reach a good agreement between simulation data and theoretical predictions in q2D geometry in theory one needs to allow for more possible chain configurations than in the bulk system. We provide preliminary ex
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Hieu, Dang Van. "STRONG CONVERGENCE OF A NEW HYBRID ALGORITHM FOR FIXED POINT PROBLEMS AND EQUILIBRIUM PROBLEMS." Mathematical Modelling and Analysis 24, no. 1 (2018): 1–19. http://dx.doi.org/10.3846/mma.2019.001.

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The paper considers the problem of finding a common solution of a pseudomonotone and Lipschitz-type equilibrium problem and a fixed point problem for a quasi nonexpansive mapping in a Hilbert space. A new hybrid algorithm is introduced for approximating a solution of this problem. The presented algorithm can be considered as a combination of the extragradient method (two-step proximal-like method) and a modified version of the normal Mann iteration. It is well known that the normal Mann iteration has the weak convergence, but in this paper we has obtained the strong convergence of the new algo
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Dou, Hong-Xia, and Liang-Jian Deng. "A Proximal Algorithm with Convergence Guarantee for a Nonconvex Minimization Problem Based on Reproducing Kernel Hilbert Space." Symmetry 13, no. 12 (2021): 2393. http://dx.doi.org/10.3390/sym13122393.

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The underlying function in reproducing kernel Hilbert space (RKHS) may be degraded by outliers or deviations, resulting in a symmetry ill-posed problem. This paper proposes a nonconvex minimization model with ℓ0-quasi norm based on RKHS to depict this degraded problem. The underlying function in RKHS can be represented by the linear combination of reproducing kernels and their coefficients. Thus, we turn to estimate the related coefficients in the nonconvex minimization problem. An efficient algorithm is designed to solve the given nonconvex problem by the mathematical program with equilibrium
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Dissertations / Theses on the topic "Quasi-equilibrium combination"

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Скордiна, Олена Михайлiвна, Елена Михайловна Скордина, Olena Mykhailivna Skordina та В. Ю. Захарченко. "Застосування перетворювачів квазірівноважних кодів". Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/46205.

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У результаті проведених досліджень був запропонований підхід до генерування квазірівноважних комбінацій (кодів) на множині біноміальних комбінацій, які лежать в основі структури рівноважних з параметрами n та k, та квазірівноважних комбінацій з параметрами (n – 1), k та k – 1, де (n – 1) – кількість розрядів, k та k – 1 кількість двійкових одиниць. Беручи до уваги те, що в структурі множини квазірівноважних кодів виявлені біноміальні числа, досить ефективно можна вирішувати задачі обчислювальної обробки даних у інформаційно-керуючих системах, якщо інформація представляється у квазірівноважних
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Conference papers on the topic "Quasi-equilibrium combination"

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Brasselet, Sophie, and Joseph Zyss. "Control of The Photoinduced Micro-Patterning of Nonlinear Organic Thin Films: From Molecular to Photonic Engineering." In Organic Thin Films for Photonic Applications. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.fb.1.

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The development of electrooptic polymers now stands at the onset of technological fruition as a result of almost two decades of intense molecular engineering studies and of the more recent maturing of semiconductor compatible integrated optics fabrication processes. Nevertheless, the full potential of organic systems for nonlinear optics(1) and related applications may not have been fully exploited so-far within the paradigmatic orientational scheme of a dipolar molecular diode structure coupled with an externally applied poling electric field at thermal equilibrium. In particular, such a conf
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Borchani, Wassim, Nizar Lajnef, and Rigoberto Burgueño. "Control of Snap-Through Transitions in the Response of Mechanically-Equivalent Frequency Modulators." In ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/smasis2013-3199.

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Converted energy from ambient loading in civil and mechanical structures is typically used as a viable alternative. Although, piezoelectric vibration harvesters have been widely used given their energy conversion ability, these elements exhibit a narrow natural frequency response range, thus considerably limiting the levels of harvestable power. Recently our group has introduced the concept of using mechanically-equivalent frequency modulators that can transform the low-amplitude and low-rate service and ambient deformations into an amplified input to the piezoelectric transducer. The introduc
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Johnson, Bruce, William Lasher, Matt Erdman, Jan Miles, and Bill Curry. "Uncertainties In The Wind-Heel Analysis For Traditional Sailing Vessels: The Challenges It Presents For Forensic Analysis Of Sailing Vessel Incidents." In SNAME 21st Chesapeake Sailing Yacht Symposium. SNAME, 2013. http://dx.doi.org/10.5957/csys-2013-008.

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There are many uncertainties in the interpretation of full-scale sailing vessel data taken under dynamic conditions, and even more uncertainties when forensic analysis is attempted based only on survivor’s recollections. Frequently, the analysis is based on static equilibrium assumptions, sometimes modified to steady-state motions of the wind and heeling response of the vessel. Dynamic conditions are generally non-deterministic and statistical methods must be used. Even more complicated is the non-stationary random process nature of most accidents. In the wind-heel research carried out on Prid
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