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Journal articles on the topic 'Cluster interaction'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Feretti, Luigina, Gabriele Giovannini, Federica Govoni, and Matteo Murgia. "Relativistic plasma and ICM/radio source interaction." Proceedings of the International Astronomical Union 6, S274 (2010): 340–47. http://dx.doi.org/10.1017/s1743921311007241.

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AbstractThe first detection of a diffuse radio source in a cluster of galaxies, dates back to the 1959 (Coma Cluster, Large et al. 1959). Since then, synchrotron radiating radio sources have been found in several clusters, and represent an important cluster component which is linked to the thermal gas. Such sources indicate the existence of large scale magnetic fields and of a population of relativistic electrons in the cluster volume. The observational results provide evidence that these phenomena are related to turbulence and shock-structures in the intergalactic medium, thus playing a major

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Hartono, Sri, and Agus Sobari. "The role of cluster cycle and pattern of interaction to competition strategy." Problems and Perspectives in Management 14, no. 2 (2016): 74–83. http://dx.doi.org/10.21511/ppm.14(2).2016.08.

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Many studies show that industrial clusters have been successfully promoting the progress of small and medium enterprises (SMEs). Therefore, many governments around the world, including Indonesia, enthusiastically perform comparative studies of cluster policy. Thus, it is important to understand the characteristics of the business of small and medium industries as input in formulating the policy of industrial clusters. Research objectives are focused on the early stages of analysis as to whether the cluster of wood and rattan furniture industry which has existed long enough in Jepara, Central J

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Sarker, A., M. Singh, F. El-Ashkar, W. Erskine, and E. De-Pauw. "Approaches to rationalising selection of test environments for on-farm lentil variety trials in Mediterranean rainfed cropping systems." Australian Journal of Agricultural Research 58, no. 4 (2007): 335. http://dx.doi.org/10.1071/ar05418.

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This study focused on various approaches to rationalising the selection of test environments using on-farm trial data from 5 lentil (Lens culiniaris Medikus subsp. culinaris) genotypes. It was conducted over 3 years in 30 environments across 16 locations in Syria. There was maximum discrimination in the ratio of between-cluster to within-cluster variances, based on genotype yield responses to the environments. Four clusters represented the test locations, reflecting a gradient in the levels of yield and seasonal rainfall. We observed significant genotypic differences and genotype × environment

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Герасимов, Кирилл, Kirill Gerasimov, Николай Просвиркин, and Nikolay Prosvirkin. "MANAGEMENT INTERACTION OF ENTERPRISES IN INDUSTRIAL CLUSTERS." Russian Journal of Management 4, no. 2 (2016): 218–23. http://dx.doi.org/10.12737/19854.

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The article is devoted to the development of methodological tools to address the problem of existence of the negative aspects of clustering. For this purpose, a special author’s technique and the system for monitoring the effectiveness of interaction between enterprises as part of the industrial cluster are developed. The advantages of the developed control system areits ease of use, speed of obtaining results of the evaluation, the availability of source data for the calculations, and the ability to use it not only for existing clusters, but also for projected clusters, which helps prevent th

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Kaneko, Toshiaki. "MeV Cluster Ion Beam–Material Interaction." Quantum Beam Science 6, no. 1 (2022): 6. http://dx.doi.org/10.3390/qubs6010006.

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This paper treats the characteristic topics of MeV/atom cluster ion beams produced using tandem accelerators both in the production stage and in the penetration stage from the viewpoint of fundamental processes. The former is related to atomic collisions in that production and decay of a cluster ion Cn+ (n=1−4) colliding with a charge-changing rare gas underlined through the electron-loss process. Regarding the latter, relatively small carbon clusters Cn+ (n=2−10) are treated. The reduction effect of the average charge of cluster ions in a material is first presented. Next, the electronic stop

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Fan, Gaojian, Martin Müller, and Robert Holte. "Non-Linear Merging Strategies for Merge-and-Shrink Based on Variable Interactions." Proceedings of the International Symposium on Combinatorial Search 5, no. 1 (2021): 53–61. http://dx.doi.org/10.1609/socs.v5i1.18330.

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Merge-and-shrink is a general method for deriving accurate abstraction heuristics.We present two novel nonlinear merging strategies, UMC and MIASM, based on variable interaction. The principle underlying our methods is to merge strongly interacting variables early on. UMC measures variable interaction by weighted causal graph edges, and MIASM measures variable interaction in terms of the number of necessary states in the abstract space defined by the variables. The methods partition variables into clusters in which the variable interactions are strong, and merge variables within each cluster b

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Dieball, A., and E. K. Grebel. "Binary Clusters in the Magellanic Clouds." Symposium - International Astronomical Union 190 (1999): 440–42. http://dx.doi.org/10.1017/s0074180900118492.

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Binary clusters account for more than 10% of the cluster population in the Magellanic Clouds. Statistically fewer than 50% of the found pairs are expected to be chance superpositions. We are studying binary cluster candidates in the Magellanic Clouds to investigate whether the cluster pairs are of common origin and if they show evidence for interaction. We determine ages for the cluster components through isochrone fitting (isochrone models based on Schaerer et al. 1993, and Bertelli et al. 1994) to the colour magnitude diagrams (CMDs). We investigate the stellar spatial density in the surroun

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Zhang, Hui Yi, and Da Peng Wei. "Study on the Mechanism of Industrial Cluster Promoting the Development of the Equipment Manufacturing Industry." Advanced Materials Research 933 (May 2014): 723–28. http://dx.doi.org/10.4028/www.scientific.net/amr.933.723.

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Equipment manufacturing industry belongs to "high technology, high value-added" industry, providing equipment for other industries and protecting Chinas industry security. The paper study how to take advantage of the industry clusters to support the development of equipment manufacturing industry. Firstly, the paper analysed the present stage of China's manufacturing industry clusters,and Concluded that Chinas primary industry cluster stage has been completed. In this case, the model of Chinas industry cluster should transfer from "low technology, low value-added, low wage" to "high technology

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Chen Jian-Li, Li Jia-Jian, and Ai Bao-Quan. "Cluster Behavior and Spontaneous Velocity Alignment of Active Brownian Particles with Attractive Interactions." Acta Physica Sinica 74, no. 6 (2025): 0. https://doi.org/10.7498/aps.74.20241746.

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Spontaneous velocity alignment can occur in active particle systems. As a fundamental inter-particle interaction, the attractive interaction has been shown to significantly affect the collective behavior of active particles. However, the mechanisms by which attractive interactions induce and influence velocity alignment remain unclear. To address this question, we conduct numerical simulations using Stochastic Euler Method to investigate cluster behavior and spontaneous global velocity alignment in active particle systems with attractive interactions. The local area fraction of particles and i

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Roldán-Matilla, Miriam, Arisbel Cerpa-Naranjo, and Isabel Lado-Touriño. "Exploring Metal Cluster Interactions with Functionalized Graphene via Molecular Dynamics Simulation." C 10, no. 4 (2024): 107. https://doi.org/10.3390/c10040107.

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Abstract: This study investigates the interaction between copper (Cu) and silver (Ag) clusters and graphene-based materials using molecular dynamics simulations. It focuses on how graphene oxidation and aminated polyethylene glycol (PEG-NH2) functionalization influence interaction strength and cluster dynamics. The analysis includes pristine graphene (PG), low-oxidized graphene oxide (GOL), and PEGylated graphene oxide (GO-PEG-NH2). The results reveal that clusters on PG exhibit high mobility, while GO-PEG-NH2 significantly restricts mobility due to strong interactions, as evidenced by highly

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PRONYAEVA, L. I., and A. V. PAVLOVA. "DIGITAL TRANSFORMATION OF THE COMMUNICATIONS SYSTEM IN CLUSTERS." Central Russian Journal of Social Sciences 17, no. 2 (2022): 71–87. http://dx.doi.org/10.22394/2071-2367-2022-17-2-71-87.

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The formation of digital communications system is becoming one of the main factors in the development of a cluster association, ensuring consistency with constant interaction. The purpose of the study is to develop a virtual model of the communication system in a cluster, taking into account its complex organizational structure and functioning features, and contributing to an increase in the efficiency of cooperation and rationalization of managerial impact. Research methodology - analysis of the accumulated scientific results in terms of substantiating the benefits of information and communic

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Roese, S., D. Engemann, S. Hoffmann, K. Latussek, C. Sternemann, and H. Hövel. "PDMS embedded Ag clusters: Coalescence and cluster-matrix interaction." Journal of Physics: Conference Series 712 (May 2016): 012068. http://dx.doi.org/10.1088/1742-6596/712/1/012068.

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Zheng, Min, Nigel W. Moriarty, Yanting Xu, Jeffrey R. Reimers, Pavel V. Afonine, and Mark P. Waller. "Solving the scalability issue in quantum-based refinement: Q|R#1." Acta Crystallographica Section D Structural Biology 73, no. 12 (2017): 1020–28. http://dx.doi.org/10.1107/s2059798317016746.

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Accurately refining biomacromolecules using a quantum-chemical method is challenging because the cost of a quantum-chemical calculation scales approximately asnm, wherenis the number of atoms andm(≥3) is based on the quantum method of choice. This fundamental problem means that quantum-chemical calculations become intractable when the size of the system requires more computational resources than are available. In the development of the software package calledQ|R, this issue is referred to as Q|R#1. A divide-and-conquer approach has been developed that fragments the atomic model into small mana

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NIE, G. K. "RADII AND BINDING ENERGIES OF NUCLEI IN THE ALPHA-CLUSTER MODEL." Modern Physics Letters A 22, no. 03 (2007): 227–42. http://dx.doi.org/10.1142/s0217732307020944.

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The α-cluster model is based on two assumptions that the proton–neutron pair interactions are responsible for adherence between α-clusters and that the NN-interaction in the α-clusters is isospin independent. It allows one to estimate the Coulomb energy and the short range inter-cluster bond energy in dependence on the number of clusters. The charge radii are calculated from the number of α-clusters too. Unlike the Weizsäcker formula in this model the binding energies of alpha-clusters and excess neutrons are estimated separately. The calculated values are in a good agreement with the experime

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Zhang, Lulu, Xiao Liu, Xiaoxiang Chen, et al. "SCANCell reveals diverse inter-cluster interaction patterns in systemic lupus erythematosus across the disease spectrum." Bioinformatics 38, no. 5 (2021): 1361–68. http://dx.doi.org/10.1093/bioinformatics/btab713.

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Abstract Motivation High-dimensional mass cytometry (CyTOF), which provides both cellular signatures and inter-cluster interactions like the antagonism between immune activation and suppression, and the pro-inflammatory synergy, sheds light on the cellular and molecular basis of disease pathogenesis. However, revealing the aberrance of inter-cluster communication networks in CyTOF datasets remains a significant challenge. Results Here, we developed Sample Classification and direct Association Network among Cell clusters (SCANCell) that quantifies the direct association (DA) network of cell clu

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Domínguez-Fernández, P., J. ZuHone, R. Weinberger, et al. "Jet Interaction with Galaxy Cluster Mergers." Astrophysical Journal 977, no. 2 (2024): 221. https://doi.org/10.3847/1538-4357/ad9028.

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Abstract Active galactic nucleus (AGN) bubbles in cool-core galaxy clusters are believed to facilitate the transport of cosmic-ray electrons (CRe) throughout the cluster. Recent radio observations reveal the complex morphologies of cluster diffuse emission, potentially linked to interactions between AGN bursts and the cluster environment. We perform 3D magnetohydrodynamical simulations of binary cluster mergers and inject a bidirectional jet at the center of the main cluster. Kinetic, thermal, magnetic, and cosmic ray (CR) energy are included in the jet and we use the two-fluid formalism to mo

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Brown, Walter L., and Marek Sosnowski. "Cluster-solid interaction experiments." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 102, no. 1-4 (1995): 305–11. http://dx.doi.org/10.1016/0168-583x(95)80158-i.

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Lv, Kaiyue, Zhong Sun, and Min Xu. "Artificial Intelligent Based Video Analysis on the Teaching Interaction Patterns in Classroom Environment." International Journal of Information and Education Technology 11, no. 3 (2021): 126–30. http://dx.doi.org/10.18178/ijiet.2021.11.3.1500.

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Recently, the development of technology has enriched the form of classroom interaction. Exploring the characteristics of current classroom teaching interaction forms can clarify the deficiencies of teaching interactions, thereby improving teaching. Based on the existing classroom teaching interactive coding system, this paper adopted ITIAS coding system, and took classroom with interactive whiteboard, interactive television or mobile terminals as research scene, selected 20 classroom videos of teaching cases in this environment as research objects. Computer vision, one of the artificial intell

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Tymchenko, Kateryna. "INTERNATIONAL AQUACULTURE CLUSTERS: PROSPECTS OF INTERACTION IN THE CONTEXT OF GLOBALISATION." Three Seas Economic Journal 6, no. 1 (2025): 76–85. https://doi.org/10.30525/2661-5150/2025-1-12.

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The article expounds on the conceptual underpinnings that govern the formation and evolution of international clusters within the broader context of globalisation and European integration. The purpose of the article is to study the issues of the formation and development of international aquaculture clusters in the conditions of globalization and European integration, to substantiate the creation of an international aquaculture cluster and the possibility of its integration into European industrial ecosystems. The methodological basis of the research is the investigation of scientists speciali

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Schneider, Gerald J., W. Hengl, K. Brandt, S. V. Roth, R. Schuster, and D. Göritz. "Influence of the matrix on the fractal properties of precipitated silica in composites." Journal of Applied Crystallography 45, no. 3 (2012): 430–38. http://dx.doi.org/10.1107/s0021889812008631.

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The influence of different interactions between polymer chains and the particle surface on the morphology of hierarchically structured silica were studied by means of small-angle X-ray scattering experiments and a thorough analysis. To realize different interaction strengths, the particles were dispersed in natural and nitrile rubber,i.e. matrices having different polarities. Changing the silica fraction renders the respective influences of particle–particle, cluster–cluster and polymer–particle interactions accessible. Thus, the interplay between external mechanical forces from the mixer, int

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Saraeva, Ekaterina Georgievna. "Organizational management model of functioning transport and logistics cluster in Astrakhan region." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2020, no. 3 (2020): 91–100. http://dx.doi.org/10.24143/2073-1574-2020-3-91-100.

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The article considers the urgent problem of strengthening the infrastructure and innovative development of the Russian Federation and the regions in today’s environment. Modernization of transport potential in future will have a positive impact on the regional development. Cluster policy in different fields, including transportation, is a trend in the formation and development of regions. The actuality of creating a transport and logistics cluster in the Astrakhan region has been proved taking into account the favorable geographical location of the region, high transit potential, historical lo

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Пастухов, Владимир, and Vladimir Pastuhov. "Technopark of High Technologies as a Coordinator of the Cluster Economy Development of Khanty-Mansiisk Autonomous District." Scientific Research and Development. Economics of the Firm 8, no. 4 (2019): 45–46. http://dx.doi.org/10.12737/2306-627x-2019-43-47.

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The author considers the basics of clustering a foreign economy, the priorities of the cluster policy of the Russian Federation. The activity of the Center for Cluster Development “Technopark of High Technologies” as a coordinating center for the development of a cluster economy of Khanty-Mansiisk Autonomous District is analyzed. The Center adheres to the unshakable foundations of cluster policy, based on the organization of interaction between government bodies and local self-government, business structures and scientific and educational institutions in order to increase the innovativeness of

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ERMILOV, ALEXANDER YU, ANDREY V. SOLOVIEV, YURII N. MOROSOV, and TATYANA I. SHABATINA. "INTERACTION OF COPPER CLUSTERS WITH DIOXIDINE." Lomonosov chemistry journal 65, no. 4, 2024 (2024): 277–83. http://dx.doi.org/10.55959/msu0579-9384-2-2024-65-4-277-283.

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DFT-modelling with B3LYP5 parametrization was performed for small copper clusters (Cu2, Cu3, Cu13) and their complexes with antibacterial drug dioxidine (2,3-bis-(hydroxymethyl)quinoxaline 1,4-di-N-oxide, Dx). The tendencies of changing of geometry con gurations and interaction energies depending on metal cluster size are identi ed. Dissociation energy increases with the cluster size. The dissociation energy of the most stable “Cu3-Dx” complex is 55.1 kcal/mol. Metal atoms form coordination bonds with either one or two oxygen atoms of in all complexes.

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Ye, Di, Yenchun Jim Wu, and Mark Goh. "Hub firm transformation and industry cluster upgrading: innovation network perspective." Management Decision 58, no. 7 (2020): 1425–48. http://dx.doi.org/10.1108/md-12-2017-1266.

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PurposeThis research paper examines how hub firm transformation and restructuring of network partnerships shape the development of industrial clusters in China.Design/methodology/approachQuestionnaire data were collected from 210 managers (response rate 70.9 percent) from the manufacturing industrial clusters in Eastern China.FindingsThe results inform that a cluster’s hub firm transformation influences the evolution of the cluster. Though the hub firm may possess transformation capabilities, the cluster is likely to be weakened if network partnerships and resource synergy are not formed among

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Lin, C. Y., and C. S. Lin. "Investigation of genotype-environment interaction by cluster analysis in animal experiments." Canadian Journal of Animal Science 74, no. 4 (1994): 607–12. http://dx.doi.org/10.4141/cjas94-089.

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The conventional ANOVA (F ratio of GE interaction mean squares to error mean square) provides a means to test if GE interaction is significant, but it does not tell us which factor levels are significantly different or how they are interacting. To answer the latter question, plant researchers developed a technique to group genotypes for similarity of GE interactions and through the resulting groups to explore the GE interaction structure. The basic idea of the technique is to stratify genotypes (or environments) into subgroups such that GE interactions among genotypes (or environments) are hom

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Kolchinskaya, Elizaveta, and Polina Yakovleva. "Evaluation of the network interaction of the participants of the Ulyanovsk-Avia cluster»." Moscow University Economics Bulletin, no. 2 (April 30, 2021): 224–46. http://dx.doi.org/10.38050/013001052021210.

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The article addresses the problem of identification and analysis of clusters chosen for state support programs. The goal of the paper is to test the possibilities of social network analysis method as a tool to identify and evaluate the activity of clusters supported by the state. To solve this issue, the authors have chosen an aircraft cluster of the Ulyanovsk region — the Consortium «Scientific, educational and production cluster» Ulyanovsk-Avia. The cluster was analyzed using social network analysis based on information collected in the SPARK database. The authors build cluster networks, per

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Belega, E. D., and D. N. Trubnikov. "Molecular dynamics of water clusters and interaction potentials." Доклады Академии наук 484, no. 6 (2019): 659–62. http://dx.doi.org/10.31857/s0869-56524846659-662.

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The molecular dynamics method was used to analyze the dynamic characteristics of water clusters in the solid and liquid phase. A criterion is proposed for choosing the interaction potential, which is based on the distributions of the potential energy of cluster molecules in different phases. The connection of the obtained distributions with the dynamics and structure of the hydrogen bonds’ net of the cluster is shown.

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Heßelmann, Andreas. "Correlation effects and many-body interactions in water clusters." Beilstein Journal of Organic Chemistry 14 (May 2, 2018): 979–91. http://dx.doi.org/10.3762/bjoc.14.83.

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Background: The quantum-chemical description of the interactions in water clusters is an essential basis for deriving accurate and physically sound models of the interaction potential for water to be used in molecular simulations. In particular, the role of many-body interactions beyond the two-body interactions, which are often not explicitly taken into account by empirical force fields, can be accurately described by quantum chemistry methods on an adequate level, e.g., random-phase approximation electron correlation methods. The relative magnitudes of the different interaction energy contri

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SHOKRI, B., A. R. NIKNAM, and V. KRAINOV. "Cluster structure effects on the interaction of an ultrashort intense laser field with large clusters." Laser and Particle Beams 22, no. 1 (2004): 13–18. http://dx.doi.org/10.1017/s0263034604221036.

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The structure of large clusters such as neutral clusters, metallic clusters, and clusters ion is investigated. Furthermore, the electron distribution of large clusters when they are irradiated by an intense ultrashort laser pulse is treated. The cluster excitation results from the interaction of the electron subsystem with the laser field. Analyzing the quantum metallic cluster proves that its properties differ essentially from the properties of a classical small metallic sphere. The eigen frequency of the surface oscillation of a cluster is obtained and it is shown that it is lower than Mie f

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Chon, Gayoung, Hans Böhringer, Sarthak Dasadia, et al. "Interaction of the massive cluster system Abell 3016/3017 embedded in a cosmic filament." Astronomy & Astrophysics 621 (January 2019): A77. http://dx.doi.org/10.1051/0004-6361/201833068.

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The galaxy cluster system RXCJ0225.9-4154 with the two sub-clusters A3016 and A3017 is embedded in a large-scale structure filament with signatures of filamentary accretion. In a Chandra observation of this system at a redshift of z = 0.2195 we detect both clusters in X-rays. In addition we detect a filament of X-ray emission connecting the two clusters and a galaxy group therein. The main cluster, A3017, shows indications of shocks most probably from a recent interaction with cluster components along the filament axis as well as a cold front at about 150 kpc from the cluster centre. The filam

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SCHOMMERS, W., H. KLANN, C. POLITIS, P. PAPANIKOLAOU, and N. ATHANASIOU. "NONLINEAR DYNAMIC EXCITATIONS AND PHONONS IN NANOSYSTEMS." Modern Physics Letters B 08, no. 02 (1994): 103–11. http://dx.doi.org/10.1142/s0217984994000108.

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The phonon density of states for nanoclusters has been studied theoretically using molecular dynamics; in this way, anharmonic effects could be fully considered. Comparisons are made with results obtained from bulk calculations. The cluster properties have been studied for several particle numbers and temperatures. It turned out that the properties of clusters are sensitive to small variations in the interactions between the particles. Therefore, in the calculation of cluster properties, the precise knowledge of the interaction is necessary. In our study, we have chosen krypton nanosystems bec

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Vasilevsky, V. S., and Yu A. Lashko. "How the antisymmetrization affects a cluster–cluster interaction: Two-cluster systems." Annals of Physics 415 (April 2020): 168114. http://dx.doi.org/10.1016/j.aop.2020.168114.

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SPRINGATE, E., J. W. G. TISCH, N. HAY, E. T. GUMBRELL, M. H. R. HUTCHINSON, and J. P. MARANGOS. "Ion energy measurements from the interaction of atomic and molecular clusters with intense femtosecond laser pulses." Laser and Particle Beams 18, no. 3 (2000): 507–11. http://dx.doi.org/10.1017/s0263034600183223.

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We have measured multi-keV protons and ∼100 keV iodine ions from the interaction of intense, femtosecond laser pulses with atomic Xe clusters and mixed-species HI clusters. The explosion dynamics of the HI clusters differs from the pure H and I cluster cases, with the iodine energies being substantially reduced. Mixed-species clusters provide a possible route for boosting the explosion energies of low-Z ions, and extend the advantages of the laser-cluster interaction to species that do not readily form pure clusters.

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Boldarev, A. S., A. Y. Faenov, Y. Fukuda, et al. "Numerical modelling of the cluster targets for their optimization in femtosecond-laser-cluster-driven experiments." Laser and Particle Beams 35, no. 3 (2017): 397–408. http://dx.doi.org/10.1017/s0263034617000350.

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AbstractThe interaction of femtosecond ultra-intense laser pulses with clusters increases absorption of the incident laser light compared with the interaction with solid targets and leads to enhanced generation of different quantum beams with unique parameters. Future investigations of such interaction urgently need detailed modeling and optimization of cluster parameters, for instance, in order to obtain the clusters with desired size, or some specific spatial configuration of the target etc. A numerical model of gas-cluster targets production by the nozzle flows of gases and binary mixtures

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Smolych, D., and O. Zavadskaya. "SOCIAL-PSYCHOLOGICAL ASPECT OF ADJUSTING INTERACTION OF CLUSTER PARTICIPANTS." Financial and credit activity: problems of theory and practice 2, no. 37 (2021): 476–81. http://dx.doi.org/10.18371/fcaptp.v2i37.230652.

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Abstract. The cluster approach is now a credible proven tool for improving the competitiveness of the regional and national economies. For the economy, clusters represent growth points when one or more economic entities reach absolute competitiveness in the market, they affect the immediate environment, resulting in a cluster formation — a community of entities that contribute to each other’s competitiveness. The social and psychological factors, the system of motives and interests of individual members of the cluster in the merger play an important role in the formation of the cluster. Awaren

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Manicki, Mateusz, Julia Majewska, Szymon Ciesielski, et al. "Overlapping Binding Sites of the Frataxin Homologue Assembly Factor and the Heat Shock Protein 70 Transfer Factor on the Isu Iron-Sulfur Cluster Scaffold Protein." Journal of Biological Chemistry 289, no. 44 (2014): 30268–78. http://dx.doi.org/10.1074/jbc.m114.596726.

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In mitochondria FeS clusters, prosthetic groups critical for the activity of many proteins, are first assembled on Isu, a 14-kDa scaffold protein, and then transferred to recipient apoproteins. The assembly process involves interaction of Isu with both Nfs1, the cysteine desulfurase serving as a sulfur donor, and the yeast frataxin homolog (Yfh1) serving as a regulator of desulfurase activity and/or iron donor. Here, based on the results of biochemical experiments with purified wild-type and variant proteins, we report that interaction of Yfh1 with both Nfs1 and Isu are required for formation

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Staber, Udo. "Imitation without Interaction: How Firms Identify with Clusters." Organization Studies 31, no. 2 (2010): 153–74. http://dx.doi.org/10.1177/0170840609357369.

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Although shared identity occupies a central place in theorizing about regional business clusters, there has been little research on the processes by which identity is constructed. In particular, little is known about the role of imitation and its relationship to social interaction in managers’ identification with the cluster in which the firm is located. Drawing on economic and socio-economic approaches, I develop hypotheses concerning the effect of frequency-based and trait-based imitation on the strength of identification with the cluster. Using data on 146 small business owners in five matu

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Kumar Panja, Sumit. "Weak Intermolecular Interactions and Molecular Cluster in Ionic Liquids." Oriental Journal of Physical Sciences 6, no. 1-2 (2022): 04–06. http://dx.doi.org/10.13005/ojps06.01-02.02.

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Presently, we are working on weak intermolecular interaction (aliphatic H-bonding and ?-? stacking interaction) in imidazolium and piperidinium-based ionic liquids. The weak interactions play a crucial role in the physical properties of ILs. Further, the significance of weak interactions on cluster formation and extended intermolecular interaction in these ILs have been investigated in our laboratory. The vibrational spectroscopic techniques (Raman and FTIR) have been employed to understand the effect of H-bonding interaction on physical property and molecular cluster formation of ILs. Further

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HILLIER, DÁNIEL, SERKAN GÜNEL, JOHAN A. K. SUYKENS, and JOOS VANDEWALLE. "PARTIAL SYNCHRONIZATION IN OSCILLATOR ARRAYS WITH ASYMMETRIC COUPLING." International Journal of Bifurcation and Chaos 17, no. 11 (2007): 4177–85. http://dx.doi.org/10.1142/s0218127407019718.

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A new form of cluster synchronization is explored in cellular arrays of chaotic oscillators. Previously, it was shown in the literature that symmetries of the coupling topology with uniform interaction weights lead to several coexisting clusters of synchronized cells. In this study a new phenomenon is presented where highly asymmetric interaction weights can give rise to cluster synchronization regimes with partial synchronization. In addition, cluster or partial synchronization regimes corresponding to asymmetric interaction patterns can break the underlying symmetries of the network topology

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Ababkova, Marianna, and Olga Vasileva. "System approach to evaluation of tourism cluster companies’ environment and performance." E3S Web of Conferences 175 (2020): 10014. http://dx.doi.org/10.1051/e3sconf/202017510014.

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The survey is aimed to justify system approach to assess companies’ interaction and environment in tourism clusters. Intangibility of tourism product is determined by the specifics of economic entity and territorial authorities’ interaction, that makes it a prerequisite to use system approach for companies’ interaction within regional tourism cluster. The paper identifies institutional environment of business development in tourism cluster taking into accountthe rapid development of communication and information technologies. To achieve this goal the authors analysed the theoretical frameworks

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Jackschath, C., I. Rabin, W. Schulze, and F. W. Froben. "Interaction of CO with silver clusters: Dependence on cluster size." Zeitschrift f�r Physik D Atoms, Molecules and Clusters 26, S1 (1993): 162–64. http://dx.doi.org/10.1007/bf01425651.

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Dai, Ding, Liu, et al. "Identifying Interaction Clusters for MiRNA and MRNA Pairs in TCGA Network." Genes 10, no. 9 (2019): 702. http://dx.doi.org/10.3390/genes10090702.

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Existing methods often fail to recognize the conversions for the biological roles of the pairs of genes and microRNAs (miRNAs) between the tumor and normal samples. We have developed a novel cluster scoring method to identify messenger RNA (mRNA) and miRNA interaction pairs and clusters while considering tumor and normal samples jointly. Our method has identified 54 significant clusters for 15 cancer types selected from The Cancer Genome Atlas project. We also determined the shared clusters across tumor types and/or subtypes. In addition, we compared gene and miRNA overlap between lists identi

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Krakhmalova, Nina A., Tetiana A. Krakhmalova, and Viktor Kozlovskij. "MODELING OF THE ORGANIZATION OF INTERACTION OF PARTICIPANTS OF THE MANAGEMENT PROCESS OF CLUSTER COOPERATION DEVELOPMENT." Management 29, no. 1 (2019): 47–61. http://dx.doi.org/10.30857/2415-3206.2019.1.4.

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Introduction. Globalization has led to a change in the role of cluster cooperation in economic development. The impact of globalization on regional development of cluster cooperation primarily manifests itself in the fact that it gives regional clusters a new status of subjects of the world economic system and world competitive processes. In the context of globalization, there is a deepening gap in the levels of economic development of regional clusters and an increase in the social vulnerability of the population.Research hypothesis: the concept of regional cluster cooperation covers both a v

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Scherer, K., A. Noack, J. Kleimann, H. Fichtner, and K. Weis. "The interaction of multiple stellar winds in stellar clusters: potential flow." Astronomy & Astrophysics 616 (August 2018): A115. http://dx.doi.org/10.1051/0004-6361/201832696.

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Context. While several studies have investigated large-scale cluster winds resulting from an intra-cluster interaction of multiple stellar winds, as yet they have not provided details of the bordering flows inside a given cluster. Aims. The present work explores the principal structure of the combined flow resulting from the interaction of multiple stellar winds inside stellar clusters. Methods. The theory of complex potentials is applied to analytically investigate stagnation points, boundaries between individual outflows, and the hydrodynamic structure of the asymptotic large-scale cluster w

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Ye, Di, Linlin Zheng, and Peixu He. "Industry Cluster Innovation Upgrading and Knowledge Evolution: A Simulation Analysis Based on Small-World Networks." SAGE Open 11, no. 3 (2021): 215824402110316. http://dx.doi.org/10.1177/21582440211031604.

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This article focuses on the innovation and knowledge evolution of industry clusters. We examine the effects of the hub firm and the interaction of network member firms on the upgrading of the cluster. Our study is based on two patterns of knowledge learning and innovation, namely, STI (science, technology, and innovation) and DUI (doing, using, and interacting). This article adopts a knowledge diffusion simulation model to study the exchange of knowledge between cluster network actors in the context of small-world networks. The results indicate that we must pay close attention to the influence

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Hummell, Ann K., and David C. Ferree. "Interaction of Crop Level and Fruit Cluster Exposure on `Seyval Blanc' Fruit Composition." Journal of the American Society for Horticultural Science 123, no. 5 (1998): 755–61. http://dx.doi.org/10.21273/jashs.123.5.755.

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`Seyval blanc' grapevines (Vitis spp.) were cluster thinned 7 days after full bloom to 20, 40, and 80 clusters per vine to create light, moderate, and heavy crop levels. Vines were also shoot positioned at veraison to create exposed, partially shaded, and densely shaded cluster microclimates to examine the interactions between crop level and light exposure on fruit composition during stage III of berry development. Clusters were harvested using one of two criteria: on the same date or at similar soluble solids concentrations. Cluster mass and berries per cluster decreased with increasing crop

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Collin, Sven-Olof. "Cluster governance of School-university clusters." New Collegium 2, no. 100 (2020): 25–29. http://dx.doi.org/10.30837/nc.2020.2.25.

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University-School clusters: Best practices and the prospects for their adaptation to Ukrainian context : the XVIII International Scientific and Practical Conference (14-th Febuary 2020, Kharkiv Univ. of Humanities “People’s Ukrainian Acad”. The proceedings of the XVIII International Scientific and Practical Conference “University-School clusters: include a variety of articles on the issues of the formation of a cluster-based educational model and its role in the development of the educational space.Covered are the essence of university-school clusters, the conceptual framework for their

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Akhiiezer, Оlena, Olha Dunaievska, Anton Rohovyi, Halyna Holotaistrova, Yurii Reshetniak, and Serhii Mekhovych. "ECONOMIC-MATHEMATICAL MODEL OF FORMATION OF INNOVATION AND ENGINEERING INDUSTRIAL CLUSTER." Innovative Technologies and Scientific Solutions for Industries, no. 1 (23) (April 20, 2023): 5–13. http://dx.doi.org/10.30837/itssi.2023.23.005.

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The subject of the article is the use of industrial clusters as tools for innovative economic growth. The purpose of the article is to develop an economic-mathematical model of the formation of an industrial cluster, and to create an algorithm for cluster zoning of the economy. Tasks to be solved – analysis of the principles of innovative growth, development of a model of an innovation-engineering industrial cluster, formulation of a methodology for the formation of a regional innovation-engineering cluster, analysis and assessment of the features that arise in clusters, use of cluster analysi

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Creech, Andrea. "Teacher-pupil-parent triads: A typology of interpersonal interaction in the context of learning a musical instrument." Musicae Scientiae 13, no. 2 (2009): 387–413. http://dx.doi.org/10.1177/102986490901300208.

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The main objective of this research was to create a typology of teacher-pupil-parent interpersonal interaction in the context of learning a musical instrument. Three hundred and thirty-seven teacher-pupil-parent triads participated in the research, completing a survey measuring “control” and “responsiveness”. Factor analysis revealed a number of underlying interpersonal dimensions. A cluster analysis was carried out, using control and responsiveness factors as predictors of cluster membership. A model of six distinct interaction types was revealed and validated with in-depth interviews with te

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Maia-Elkhoury, Ana Nilce S., Daniel Magalhães Lima, Oscar Daniel Salomón, et al. "Interaction between environmental and socioeconomic determinants for cutaneous leishmaniasis risk in Latin America." Revista Panamericana de Salud Pública 45 (July 1, 2021): 1. http://dx.doi.org/10.26633/rpsp.2021.83.

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Objective. Determine and characterize potential risk areas for the occurrence of cutaneous leishmaniasis (CL) in Latin America (LA). Method. Ecological observational study with observation units defined by municipalities with CL transmission between 2014-2018. Environmental and socioeconomic variables available for at least 85% of the municipalities were used, combined in a single database, utilizing the R software. The principal component analysis methodology was combined with a hierarchical cluster analysis to group clusters of municipalities based on their similarity. The V-test was estimat

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