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Artykuły w czasopismach na temat „Cycle dynamic”

Autor: Grafiati

Data publikacji: 15 lutego 2025

Data aktualizacji: 31 lipca 2025

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1

Kapon, Sam. "Dynamic Amnesty Programs." American Economic Review 112, no. 12 (2022): 4041–75. http://dx.doi.org/10.1257/aer.20211428.

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A regulator faces a stream of agents engaged in crimes with stochastic returns. The regulator designs an amnesty program, committing to a time path of punishments for criminals who report their crimes. In an optimal program, time variation in the returns from crime can generate time variation in the generosity of amnesty. I construct an optimal time path and show that it exhibits amnesty cycles. Amnesty becomes increasingly generous over time until it hits a bound, after which the cycle resets. Agents engaged in high return crime report at the end of each cycle, while agents engaged in low ret

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2

Massardo, Aristide. "High-Efficiency Solar Dynamic Space Power Generation System." Journal of Solar Energy Engineering 113, no. 3 (1991): 131–37. http://dx.doi.org/10.1115/1.2930484.

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Space power technologies have undergone significant advances over the past few years, and great emphasis is being placed on the development of dynamic power systems at this time. A design study has been conducted to evaluate the applicability of a combined cycle concept—closed Brayton cycle and organic Rankine cycle coupling—for solar dynamic space power generation systems. In the concept presented here (solar dynamic combined cycle), the waste heat rejected by the closed Brayton cycle working fluid is utilized to heat the organic working fluid of an organic Rankine cycle system. This allows t

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3

Wang, Yaozong, and Tengkai Huang. "A novel bayesian filtering method for state estimation in cyclical processes." Journal of Physics: Conference Series 3019, no. 1 (2025): 012076. https://doi.org/10.1088/1742-6596/3019/1/012076.

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Abstract Accurate real-time state estimation is fundamental to process control and optimization. Many dynamic systems, including chemical batches and traffic flow, operate cyclically. Traditional approaches isolate individual cycles, ignoring inter-cycle relationships—a one-dimensional limitation. This research introduces a two-dimensional estimation methodology capturing both temporal dynamics and cycle-to-cycle patterns, integrating historical measurements across multiple cycles. Using a two-dimensional state-space model, we derive Bayesian filtering equations for three scenarios: fully two-

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4

Barras, R., and D. Ferguson. "Dynamic Modelling of the Building Cycle: 2. Empirical Results." Environment and Planning A: Economy and Space 19, no. 4 (1987): 493–520. http://dx.doi.org/10.1068/a190493.

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This paper is a presentation of the results of the third stage of a project designed to investigate the incidence and causes of postwar building cycles in the British economy. In the first stage spectral analysis was used to identify the main postwar cycles in each sector of building (industrial, commercial, and residential); the second stage involved the development of a theoretical framework suitable for dynamic modelling of these cycles; and the third stage was concerned with estimating the best time-series model for each cycle. The estimated models demonstrate the presence of both an endog

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5

Shlufman, K. V., G. P. Neverova, and E. Ya Frisman. "Phase Multistability of Dynamics Modes of the Ricker Model with Periodic Malthusian Parameter." Mathematical Biology and Bioinformatics 13, no. 1 (2018): 68–83. http://dx.doi.org/10.17537/2018.13.68.

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The paper investigates the phase multistability of dynamical modes of the Ricker model with 2-year periodic Malthusian parameter. It is shown that both the variable perturbation and the phase shift of the Malthusian parameter can lead to a phase shift or a change in the dynamic mode observed. The possibility of switches between different dynamic modes is due to multistability, since the model has two different stable 2-cycles. The first stable 2-cycle is the result of transcritical bifurcation and is synchronous to the oscillations of the Malthusian parameter. The second stable 2-cycle arises

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6

Anthony, Michael Scopatz. "Nonjudgmental Dynamic Fuel Cycle Benchmarking." Nuclear Technology 195, no. 3 (2016): 273–87. http://dx.doi.org/10.13182/nt15-153.

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7

Adobor, Henry. "Supply chain resilience: an adaptive cycle approach." International Journal of Logistics Management 31, no. 3 (2020): 443–63. http://dx.doi.org/10.1108/ijlm-01-2020-0019.

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PurposeThe purpose of this paper is to develop a conceptual framework for extending an understanding of resilience in complex adaptive system (CAS) such as supply chains using the adaptive cycle framework. The adaptive cycle framework may help explain change and the long term dynamics and resilience in supply chain networks. Adaptive cycles assume that dynamic systems such as supply chain networks go through stages of growth, development, collapse and reorientation. Adaptive cycles suggest that the resilience of a complex adaptive system such as supply chains are not fixed but expand and contr

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8

Ramasamy, Manikandan, Jacob S. Wilson, William J. McCroskey, and Preston B. Martin. "Characterizing Cycle-to-Cycle Variations in Dynamic Stall Measurements." Journal of the American Helicopter Society 63, no. 2 (2018): 1–24. http://dx.doi.org/10.4050/jahs.63.022002.

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9

Mansour, F. M., A. M. Abdul Aziz, S. M. Abdel-Ghany, and H. M. El-shaer. "Combined cycle dynamics." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 217, no. 3 (2003): 247–58. http://dx.doi.org/10.1243/095765003322066484.

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A mathematical model describing the dynamic behaviour of each major component of the combined cycle is presented. The formulae are deduced from continuity, momentum, energy, and state equations. Partial differential equations (PDEs) are discretized to algebraic equations by using the implicit backward-central finite difference scheme and then solved by iteration. Explicit-Euler's integration method is applied to other differential equations (DEs). A multi-element control system is implemented to investigate its effect on the combined cycle's dynamic response. The simulation results are compare

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10

Basu, Sukanta, Jean-François Vinuesa, and Andrew Swift. "Dynamic LES Modeling of a Diurnal Cycle." Journal of Applied Meteorology and Climatology 47, no. 4 (2008): 1156–74. http://dx.doi.org/10.1175/2007jamc1677.1.

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Abstract The diurnally varying atmospheric boundary layer observed during the Wangara (Australia) case study is simulated using the recently proposed locally averaged scale-dependent dynamic subgrid-scale (SGS) model. This tuning-free SGS model enables one to dynamically compute the Smagorinsky coefficient and the subgrid-scale Prandtl number based on the local dynamics of the resolved velocity and temperature fields. It is shown that this SGS-model-based large-eddy simulation (LES) has the ability to faithfully reproduce the characteristics of observed atmospheric boundary layers even with re

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11

Pu, Qingsong, Junhong Huang, Fuling Zeng, et al. "Study on Long-Term Dynamic Mechanical Properties and Degradation Law of Sandstone under Freeze-Thaw Cycle." Shock and Vibration 2020 (July 16, 2020): 1–10. http://dx.doi.org/10.1155/2020/8827169.

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This study is based on the tunnel-face slope engineering of Dongfeng tunnel in Shanxi section of China’s Shuozhou-Huanghua Railway. The sandstone specimens in the perennial freeze-thaw zone of the slope were collected to carry out freeze-thaw cycle static physical mechanics test and split Hopkinson pressure bar (SHPB) dynamic mechanical test. Thus, the damage process of sandstone under freeze-thaw cycle and impact load is studied. Also, the dynamic compressive strength and dynamic elastic modulus of sandstone are analysed under different loading strain rates and freeze-thaw cycle based on LS-D

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12

Koski, Pauli, Jaana Viitakangas, and Jari Ihonen. "Dynamic Load Cycle Effects on PEMFC Stack CO Tolerance under Fuel Recirculation and Periodic Purge." Journal of The Electrochemical Society 169, no. 1 (2022): 014507. http://dx.doi.org/10.1149/1945-7111/ac439c.

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This work presents first experimental evidence on the effects of dynamic load cycle on PEM fuel cell system CO tolerance, a topic which to date has not been comprehensively investigated. The experiments were performed with a 1 kW fuel cell system employing components, design, and operation conditions corresponding to automotive applications. To distinguish between the load cycle and other factors affecting the CO tolerance, the experiments were repeated with static and dynamic load cycles, as well as with pure and CO contaminated fuel. The measurement data showed that dynamic load cycle improv

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13

Yan, Xin, Zhigang Zhou, Yingjia Fang, Chongsen Ma, and Guangtao Yu. "Study on the Effect of Hot and Humid Environmental Factors on the Mechanical Properties of Asphalt Concrete." Materials 17, no. 20 (2024): 4942. http://dx.doi.org/10.3390/ma17204942.

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To investigate the effect of hot and humid environmental factors on the mechanical properties of asphalt mixtures research, in this paper, the dynamic modulus of asphalt mixtures under the effects of aging, dry–wet cycling, and coupled effects of aging and dry–wet cycling were measured by the simple performance tester (SPT) system, and the dynamic modulus principal curves were fitted based on the sigmoidal function. The results show that under the aging effect, the dynamic modulus of asphalt mixture increases with the aging degree; the dynamic modulus of short-term aged, medium-term aged, long

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14

Zhijian, Wang, Zhou Shujie, Yao Qinmei, Wang Yijia, and Pan Gang. "Dynamic Structure in a Four-strategy Game: Theory and Experiment." Contributions to Game Theory and Management 15 (2022): 365–85. http://dx.doi.org/10.21638/11701/spbu31.2022.26.

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Game dynamics theory, as any field of science, the consistency between theory and experiment is essential. In the past 10 years, important progress has been made in the merging of the theory and experiment in this field, in which dynamics cycle is the presentation. However, the achievement failed to eliminate the constraints of the Euclidean two-dimensional cycle. This paper uses a classic four-strategy game to study the dynamic structure (non-Euclidean superplane cycle). The consistency is in significant between the three ways: (1) analytical results from evolutionary dynamics equations, (2)

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15

Hu, Shixi. "The Existence and Stability of Limit Cycle of Some Special Types of 2D Autonomous Dynamic Systems." Highlights in Science, Engineering and Technology 72 (December 15, 2023): 616–23. http://dx.doi.org/10.54097/md6sd442.

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This article is focusing on the problem about limit cycles of 2D autonomous dynamics, which is a part of the famous Hilbert’s 16th problem. There are mainly three results on this paper. The first two results discuss the cases with sum of squares of the variables. Through polar substitution and the mathematics analysis on the explicit limit cycle obtained by Cramer’s Rule, the first result reveals the uniqueness and stability of the limit cycle of a specific form for 2D autonomous dynamic system. For the second part of the results, by changing the coefficients of the system of the first result,

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16

Melnikov, Alexey. "Agent-based modeling of the sleep-wake cycle." Artificial societies 18, no. 2 (2023): 0. http://dx.doi.org/10.18254/s207751800024523-4.

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This study presents a circadian rhythm model. Specificity of such model is in consideration of the dynamic of two hormones and a neuromediator. Such an approach was taken due to the fact that circadian rhythms dynamics are largely expressed by cyclic quantity alteration of adenosine, cortisole and melatonin throughout the day. External factors effects were explored and their influence was imitated in the model. External factors influence on hormone&apos;s dynamic was analysed. Decision making assistance algorithm of external factors usage in correcting quantities of adenosine,cortisole and

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17

Li, Xiao-Lin, Jing Yan, and Xiaohui Wei. "Dynamic connectedness among monetary policy cycle, financial cycle and business cycle in China." Economic Analysis and Policy 69 (March 2021): 640–52. http://dx.doi.org/10.1016/j.eap.2021.01.014.

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18

Wang, Ning, and Maryna Murdock. "A dynamic model of an insurer: loss shocks, capacity constraints and underwriting cycles." Journal of Risk Finance 20, no. 1 (2019): 82–93. http://dx.doi.org/10.1108/jrf-03-2018-0051.

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Purpose This paper aims to revisit the assumption of the cyclicality of the property-liability insurance market and identify a scenario in which the so-called underwriting cycles are unpredictable, according to a dynamic cash flow model which generates non-cyclical output dynamics. Design/methodology/approach This paper is on the intersection of real business cycle models and financial cycles. The authors construct a dynamic model of an insurer’s cash flows with stochastic loss shocks and capacity constraints, in which loss shocks have a dual impact on both underwriting profits and access to e

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19

Wei, Li, Han, et al. "Experimental Research on Deformation Characteristics of Using Silty Clay Modified Oil Shale Ash and Fly Ash as the Subgrade Material after Freeze-Thaw Cycles." Sustainability 11, no. 18 (2019): 5141. http://dx.doi.org/10.3390/su11185141.

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To achieve the purposes of disposing industry solid wastes and enhancing the sustainability of subgrade life-cycle service performance in seasonally frozen regions compared to previous research of modified silty clay (MSC) composed of oil shale ash (OSA), fly ash (FA), and silty clay (SC), we identified for the first time the axial deformation characteristics of MSC with different levels of cycle load number, dynamic stress ratio, confining pressure, loading frequency, and F-T cycles; and corresponding to the above conditions, the normalized and logarithmic models on the plastic cumulative str

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20

Damiola, Luca, Mark C. Runacres, and Tim De Troyer. "The challenge of cycle-to-cycle variability in dynamic stall modelling." Journal of Physics: Conference Series 2767, no. 5 (2024): 052007. http://dx.doi.org/10.1088/1742-6596/2767/5/052007.

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Abstract This research explores cycle-to-cycle variability in dynamic stall through wind tunnel experiments conducted on a pitching NACA 0018 aerofoil at a Reynolds number of 2.8×105. Multiple cycles are considered, and different clusters are identified based on inspection of the lift time series. Experiments reveal that the blind application of a conventional phase-averaging approach can produce inadequate results, which do not represent the underlying physics; instead, it is recommended to analyse each cycle individually and use a clustering approach. The available wind tunnel measurements a

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21

Ito, Hiroshi, Hiroshi Tsukube, and Satoshi Shinoda. "A chirality rewriting cycle mediated by a dynamic cyclen–calcium complex." Chemical Communications 48, no. 89 (2012): 10954. http://dx.doi.org/10.1039/c2cc35350d.

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22

Sun, Zhenxing, Rongchang Wang, Zhongnian Yang, Jianhang Lv, Wei Shi, and Xianzhang Ling. "Dynamic Behavior of Rubber Fiber-Reinforced Expansive Soil under Repeated Freeze–Thaw Cycles." Polymers 16, no. 19 (2024): 2817. http://dx.doi.org/10.3390/polym16192817.

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Large volumes of waste tires are generated due to the rapid growth of the transportation industry. An effective method of recycling waste tires is needed. Using rubber from tires to improve problematic soils has become a research topic. In this paper, the dynamic response of rubber fiber-reinforced expansive soil under freeze–thaw cycles is investigated. Dynamic triaxial tests were carried out on rubber fiber-reinforced expansive soil subjected to freeze–thaw cycles. The results showed that with the increase in the number of freeze–thaw cycles, the dynamic stress amplitude and dynamic elastic

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23

Trunova, Helen. "DYNAMIC MODEL OF LIFE CYCLE COMPETENCE." TECHNICAL SCIENCES AND TECHNOLOG IES, no. 1(7) (2017): 147–53. http://dx.doi.org/10.25140/2411-5363-2017-1(7)-147-153.

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24

Carrillo, M. "Growth, Life Cycle and Dynamic Modelling." Mathematical and Computer Modelling of Dynamical Systems 9, no. 2 (2003): 121–36. http://dx.doi.org/10.1076/mcmd.9.2.121.16518.

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25

Woods, G., L. Day, R. Withers, A. Ilsley, and B. Maxwell. "The Dynamic Calibration of Cycle Ergometers." International Journal of Sports Medicine 15, no. 04 (1994): 168–71. http://dx.doi.org/10.1055/s-2007-1021041.

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Busigin, A., and P. Gierszewski. "CFTSIM-ITER dynamic fuel cycle model." Fusion Engineering and Design 39-40 (September 1998): 909–14. http://dx.doi.org/10.1016/s0920-3796(98)00222-1.

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Fujita, Takuo. "Dynamic life cycle of parathyroid hormone." Journal of Bone and Mineral Metabolism 7, no. 2 (1989): 1–7. http://dx.doi.org/10.1007/bf02911526.

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Schrader, Jared M., Gene-Wei Li, W. Seth Childers, et al. "Dynamic translation regulation inCaulobactercell cycle control." Proceedings of the National Academy of Sciences 113, no. 44 (2016): E6859—E6867. http://dx.doi.org/10.1073/pnas.1614795113.

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Progression of theCaulobactercell cycle requires temporal and spatial control of gene expression, culminating in an asymmetric cell division yielding distinct daughter cells. To explore the contribution of translational control, RNA-seq and ribosome profiling were used to assay global transcription and translation levels of individual genes at six times over the cell cycle. Translational efficiency (TE) was used as a metric for the relative rate of protein production from each mRNA. TE profiles with similar cell cycle patterns were found across multiple clusters of genes, including those in op

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29

Choudhury, Balaji Kr, R. K. Sahoo, and Sunil Kr Sarangi. "Dynamic simulation of modified claude cycle." Indian Journal of Cryogenics 40, no. 1 (2015): 48. http://dx.doi.org/10.5958/2349-2120.2015.00009.6.

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Su, Shu, Jingyi Ju, Yujie Ding, Jingfeng Yuan, and Peng Cui. "A Comprehensive Dynamic Life Cycle Assessment Model: Considering Temporally and Spatially Dependent Variations." International Journal of Environmental Research and Public Health 19, no. 21 (2022): 14000. http://dx.doi.org/10.3390/ijerph192114000.

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Life cycle assessment (LCA) is a widely-used international environmental evaluation and management method. However, the conventional LCA is in a static context without temporal and spatial variations considered, which fails to bring accurate evaluation values and hinders practical applications. Dynamic LCA research has developed vigorously in the past decade and become a hot topic. However, systematical analysis of spatiotemporal dynamic variations and comprehensive operable dynamic models are still lacking. This study follows LCA paradigm and incorporates time- and space-dependent variations

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31

Sihaloho, Martua, Ekawati Sri Wahyuni, Rilus A. Kinseng, and Sediono M. P. Tjondronegoro. "International Migration, Livelihood Strategy, and Poverty Cycle." Journal of Sustainable Development 9, no. 4 (2016): 113. http://dx.doi.org/10.5539/jsd.v9n4p113.

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Poverty drove Indonesian poor households (e.g. their family members) to find other livelihoods. One popular choice is becoming an international migrant. This paper describes and analyzes the change in agrarian structure which causes dynamics in agrarian poverty. The study uses qualitative approach and constructivism paradigm. Research results showed that even if migration was dominated by farmer households from lower social class; it also served as livelihood strategy for middle and upper social classes. Improved economics brought dynamics on social reality. The dynamic accesses to agrarian re

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32

Liu, Hui, Xunming Li, Weida Wang, Lijin Han, Huibin Xin, and Changle Xiang. "Adaptive equivalent consumption minimisation strategy and dynamic control allocation-based optimal power management strategy for four-wheel drive hybrid electric vehicles." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 12 (2018): 3125–46. http://dx.doi.org/10.1177/0954407018816564.

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An adaptive equivalent consumption minimisation strategy and dynamic control allocation-based optimal power management strategy for a four-wheel drive plug-in hybrid electric vehicle is proposed in this paper. The equivalent factors of adaptive equivalent consumption minimisation strategy are optimised offline based on ISIGHT software over several typical driving cycles, which is integrated with AVL CRUISE and MATLAB/Simulink. To update the equivalent factor adaptively according to the predictive velocity, a neural network-based optimal equivalent factor prediction model is built, which can be

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33

Parker, Philip M. "Price Elasticity Dynamics over the Adoption Life Cycle." Journal of Marketing Research 29, no. 3 (1992): 358–67. http://dx.doi.org/10.1177/002224379202900306.

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Little empirical research has been conducted to test the dynamic behavior of elasticities over the product life cycle. Competing specifications of price elasticity dynamics are examined to test the prevailing hypothesis that elasticities increase over the adoption life cycle or diffusion process. Though not supporting the hypothesis, the empirical results suggest that certain factors, including the degree to which a product is a necessity and faces competitive substitutes, affect elasticity dynamics.

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34

Vámosi, Attila, Levente Czégé, and Imre Kocsis. "Comparison of bus driving cycles elaborated for vehicle dynamic simulation." International Review of Applied Sciences and Engineering 12, no. 1 (2021): 86–91. http://dx.doi.org/10.1556/1848.2020.00153.

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AbstractDue to the technological progress, new approaches such as model-based design are spreading in the development process in the automotive industry to meet the increased requirements related to lower fuel consumption and reduced emission. This work is part of a research project which focuses on dynamic modeling of vehicles aimed at analyzing and optimizing the emission and fuel consumption. To model the driver behavior, the simulation control algorithm requires a predetermined speed-time curve as an input. The completeness of this driving cycle is a crucial factor in the simulation, and a

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35

Bashkirtseva, Irina, and Lev Ryashko. "Stochastic Bifurcations and Noise-Induced Chaos in a Dynamic Prey–Predator Plankton System." International Journal of Bifurcation and Chaos 24, no. 09 (2014): 1450109. http://dx.doi.org/10.1142/s0218127414501090.

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We consider the stochastic Truscott–Brindley dynamical model of the interacting populations of prey and predator. We study a new phenomenon of the stochastic cycle splitting. In a zone of Canard cycles, using the stochastic sensitivity function technique, we find a critical value of the parameter corresponding to the supersensitive cycle. In the neighborhood of this critical value, a comparative parametrical analysis of the phenomenon of the stochastic cycle splitting is performed. It is shown that the bifurcation of the stochastic cycle splitting is accompanied by the noise-induced chaotizati

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Khmeleva, Galina A., Valeriy K. Semenychev, and Anastasiya A. Korobetskaya. "REGIONAL INDUSTRY CYCLES AND RESILIENCE OF THE REGION'S ECONOMY." Vestnik of Samara University. Economics and Management 11, no. 3 (2020): 190–202. http://dx.doi.org/10.18287/2542-0461-2020-11-3-190-202.

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The growth and reduction of cycle times is a characteristic feature of modern economy. Increasingly, cyclical factor is cause of imbalance and violation of global and national economies stability. However, the question of regional industry cycles asynchrony has not been studied. It was previously believed that the regional industry cycle, its stages of growth and decline, is consistent with the national one. The work shows that it is precisely the asynchrony of regional industrial cycles that underlies imbalance and reduces stability of country's economic development. The study presented by th

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Smith, Samuel, Paul W. Staten, and Jian Lu. "How Moist and Dry Intrusions Control the Local Hydrologic Cycle in Present and Future Climates." Journal of Climate 34, no. 11 (2021): 4343–59. http://dx.doi.org/10.1175/jcli-d-20-0780.1.

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AbstractModels disagree on how much the hydrologic cycle could intensify under climate change. These changes are expected to scale with the Clausius–Clapeyron relation but may locally diverge due in part to the uncertain response of the general circulation, causing the hydrologic cycle to inherit this uncertainty. To identify how the circulation contributes, we link circulation changes to changes in the higher moments of the hydrologic cycle using the novel dynamical framework of the local hydrologic cycle, the portion of the hydrologic cycle driven by moist or dry intrusions. We expand this d

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Ma, He, Hong-Ming Xu, and Ji-Hong Wang. "Real-time control oriented HCCI engine cycle-to-cycle dynamic modelling." International Journal of Automation and Computing 8, no. 3 (2011): 317–25. http://dx.doi.org/10.1007/s11633-011-0587-z.

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Barras, R., and D. Ferguson. "Dynamic Modelling of the Building Cycle: 1. Theoretical Framework." Environment and Planning A: Economy and Space 19, no. 3 (1987): 353–67. http://dx.doi.org/10.1068/a190353.

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The paper is a report on the second stage of a project designed to investigate the incidence and causes of postwar building cycles in the British economy. In the first stage spectral analysis was used to identify the main postwar cycles in each sector of building (industrial, commercial, and residential), and the second stage has been concerned with the development of a theoretical framework suitable for dynamic modelling of these cycles. The modelling framework incorporates both an endogenous cyclical mechanism of the type used in accelerator models of investment, to reflect the long producti

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40

Li, Linhui, Haiyang Huang, Jing Lian, et al. "Research of Ant Colony Optimized Adaptive Control Strategy for Hybrid Electric Vehicle." Mathematical Problems in Engineering 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/239130.

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Energy management control strategy of hybrid electric vehicle has a great influence on the vehicle fuel consumption with electric motors adding to the traditional vehicle power system. As vehicle real driving cycles seem to be uncertain, the dynamic driving cycles will have an impact on control strategy’s energy-saving effect. In order to better adapt the dynamic driving cycles, control strategy should have the ability to recognize the real-time driving cycle and adaptively adjust to the corresponding off-line optimal control parameters. In this paper, four types of representative driving cycl

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41

Câmara, Fernando Portela, Ana Luisa Bessa Bacellar Gomes, Luiz Max Fagundes de Carvalho, and Luiz Gustavo Veloso Castello. "Dynamic behavior of sylvatic yellow fever in Brazil (1954-2008)." Revista da Sociedade Brasileira de Medicina Tropical 44, no. 3 (2011): 297–99. http://dx.doi.org/10.1590/s0037-86822011005000024.

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INTRODUCTION: Sylvatic yellow fever (SYF) is enzootic in Brazil, causing periodic outbreaks in humans living near forest borders or in rural areas. In this study, the cycling patterns of this arbovirosis were analyzed. METHODS: Spectral Fourier analysis was used to capture the periodicity patterns of SYF in time series. RESULTS: SYF outbreaks have not increased in frequency, only in the number of cases. There are two dominant cycles in SYF outbreaks, a seven year cycle for the central-western region and a 14 year cycle for the northern region. Most of the variance was concentrated in the centr

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Smolyaninov, Alexander Vasilyevich, Konstantin Mikhaylovich Kolyasov, and Daniil Vadimovich Duvanov. "Static and dynamic loading of springs of axle-box suspension for ES2G electric-multiple unit bogie." Transport of the Urals, no. 4 (2022): 28–32. http://dx.doi.org/10.20291/1815-9400-2022-4-28-32.

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It is possible to determine a service life of an electric-multiple unit and its assemblies by actual time of proper operation or theoretically according to results of comprehensive test of components and parts. According to standards of car calculation on strength, for parts that work in conditions of long and intense influence of dynamic loads it is necessary to determine fatigue strength at multi-cycle loading. Calculation is carried out with the consideration for probabilistic dispersion of fatigue strength characteristics and stochasticity of dynamic loading of a part, on the basis of whic

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Assadi, Morteza Khalaji, and Ali Mohammadi. "Simulation of Dynamical Performance of Solar Desiccant Cooling Cycle." Applied Mechanics and Materials 819 (January 2016): 160–70. http://dx.doi.org/10.4028/www.scientific.net/amm.819.160.

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In this research, solar desiccant cooling cycles in ventilation and hybrid mode are simulated. To simulate cycles, at first a model for desiccant wheel simulation is presented and a computer code based on experimental correlations is used to solve equations. Then by TRNSYS software a model for solar hot water system is simulated, and eventually by representing a suitable algorithm, computer program for simulating solar desiccant cooling cycles by EES software is developed. For all components of desiccant cycle, the dynamic optimum were based on regeneration temperature and solar fraction, and

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Gosala, Dheeraj B., Cody M. Allen, Gregory M. Shaver, et al. "Dynamic cylinder activation in diesel engines." International Journal of Engine Research 20, no. 8-9 (2018): 849–61. http://dx.doi.org/10.1177/1468087418779937.

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Cylinder deactivation has been recently demonstrated to have fuel savings and aftertreatment thermal management benefits at low to moderate loads compared to conventional operation in diesel engines. This study discusses dynamic cylinder activation as an effective variant to fixed diesel engine cylinder deactivation. The set of inactive and active cylinders varies on a cycle-by-cycle basis during dynamic cylinder activation. This enables greater control over forcing frequencies of the engine, thereby allowing the engine to operate away from the drivetrain resonant frequency at all engine speed

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Alqaralleh, Huthaifa. "The fiscal policy and the dynamic of the economic cycle." Journal of Economic Studies 47, no. 2 (2020): 231–41. http://dx.doi.org/10.1108/jes-08-2018-0293.

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PurposeThis study seeks to determine in some detail whether the state of the economic cycle matters in considering the effects of fiscal policy shocks on output.Design/methodology/approachThis issue leads us to two primary objectives: to define the economic cycle measuring the gap with the unobserved component model with a smoother trend, which can be used efficiently to generate gap measures for use in real-time decision-making and avoids the criticisms of measures based on contentious structural models; and to look empirically at the fiscal policy stance over the phases of the cycle, bearing

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Setiyono, Luhur. "Enhancement of Physical Learning Results in Subject Matter of Dynamic Electricity through Problem Based Learning Methods on IX-B Grade Students at SMPN 3 Surabaya." Indonesian Journal of Contemporary Education 1, no. 1 (2019): 18–20. http://dx.doi.org/10.33122/ijoce.v1i1.5.

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Physics learning in teaching and learning activities are known not doing interaction between students and their teachers, causing learning outcomes to be not maximal. This research aims to enhancement of physical learning results of dynamic electrical materials through problem based learning methods on IX B grade students at SMPN 3 Surabaya. The design of this research is Classroom Action Research which is carried out in two cycles with 4 stages which are planning, action, observation and reflection. The first and second cycles discuss the subject matter of dynamic electricity. The subject of

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Irawan, Denny, and Febrio Kacaribu. "TRI-CYCLES ANALYSIS ON BANK PERFORMANCE: PANEL VAR APPROACH." Buletin Ekonomi Moneter dan Perbankan 19, no. 4 (2017): 403–42. http://dx.doi.org/10.21098/bemp.v19i4.694.

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The previous financial crisis has revealed the importance of risk in the financial and business cycle within the economy. This paper examines relationship among three cycles in the economy, namely (i) business cycle macro risk, (ii) credit cycle and (iii) risk cycle, and their impacts toward individual bank performance. We examine the responses of individual bank credit cycle and risk cycle toward a shock in business cycle macro risk and its consequence to the bank performance. We use Indonesian data for period of 2005q1 to 2014q4. We use unbalanced panel data of individual banks’ balance shee

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Pasachoff, Jay M., Daniel B. Seaton, and Kevin P. Reardon. "Sunspots and their cycle." Physics Today 76, no. 2 (2023): 54–55. http://dx.doi.org/10.1063/pt.3.5183.

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Wang, Jiahui, Yan Li, Xianzhang Ling, Ping Yang, and Yingying Zhao. "A Contrast Analysis of Deformation Characteristics and Critical Dynamic Stress of Natural and Fiber-Binder Reinforced Subgrade Filler after Different Freeze-Thaw Cycles." Materials 16, no. 4 (2023): 1520. http://dx.doi.org/10.3390/ma16041520.

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To investigate the dynamic stability of natural subgrade filler (NSF) and fiber-binder reinforced subgrade filler (RSF) under cyclic load after freeze–thaw (FT) cycles, a triaxial test was conducted to determine the correlation between cumulative plastic strain (CPS) and the quantity of loading cycles, as well as the evolution law of dynamic strength and critical dynamic stress (CDS) with different FT cycles. The CPS change in the NSF and RSF shows three states (stable, critical, and destructive) with increasing vibration times. However, both fillers have different failure forms, and the curve

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Ardhiansyah, Azril Okta, IB Tjakra Wibawa Manuaba, and I. Ketut Widiana. "Post-Chemotherapy Monocytopenia as a Predictor of Chemotherapy – Induced Neutropenia in Breast Cancer Patients." Bali Medical Journal 11, no. 3 (2022): 1325–30. http://dx.doi.org/10.15562/bmj.v11i3.2844.

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Background: Chemotherapy-induced neutropenia (CIN) is chemotherapy's most frequent myelosuppression effect. Previous studies have examined static prognostic factors to assess dynamic neutrophil changes in each cycle. This study focuses on post-chemotherapy monocytopenia as a more dynamic predictor of CIN. This research aimed to know whether post-chemotherapy monocytopenia can be used as a predictor of CIN in breast cancer patients undergoing the chemotherapy cycle. Methods: This research used a prospective and a retrospective longitudinal cohort of breast cancer patients undergo a CAF regimen

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