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Artículos de revistas sobre el tema "Stability of the structure"

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Autor: Grafiati

Publicado: 9 de junio de 2023

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1

Cheng, Ting-Yi y Hung-Cheng Lai. "Ownership structure, organization stability and biotechnology company performance". Investment Management and Financial Innovations 13, n.º 2 (3 de junio de 2016): 109–16. http://dx.doi.org/10.21511/imfi.13(2).2016.12.

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In this paper, the authors use the method of quantile regression to analyze the effect of different ownership structure and organization stability on the performance of biotechnology company. Data from the 2004 and 2015 Taiwan listed biotechnology companies are the research samples to find out the relationship of ownership structure, organization stability and corporate performance. The results show that the ownership structure and the organization stability have a positive effect on firm performance

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2

de Boer, K., A. P. J. Jansen y R. A. van Santen. "Structure-stability relationships for all-silica structures". Physical Review B 52, n.º 17 (1 de noviembre de 1995): 12579–90. http://dx.doi.org/10.1103/physrevb.52.12579.

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3

Tomczyńska-Mleko, M. "Structure and stability of ion induced whey protein aerated gels". Czech Journal of Food Sciences 31, No. 3 (22 de mayo de 2013): 211–16. http://dx.doi.org/10.17221/247/2012-cjfs.

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The microstructure and stability of aerated whey protein gels were determined. Foamed whey protein gels were obtained using a novel method applying a simultaneous gelation and aeration process. Whey protein gels were produced at different protein concentrations and pH by calcium ion induction at ambient temperature. Two concentrations of calcium ions were used: 20 and 30mM to produce foamed gels with different microstructure. Foamed gels obtained at 30mM Ca<sup>2+</sup> were composed of thick strands and irregular, large air bubbles. For these gels, larger synaeresis and bubble size reduction were observed. Fine-stranded, small bubble size aerated gels obtained at 20mM Ca<sup>2+</sup> were very stable during storage. Decreased protein concentration and increased pH of the gels resulted in an increased bubble size.  

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4

Shoulders, Matthew D. y Ronald T. Raines. "Collagen Structure and Stability". Annual Review of Biochemistry 78, n.º 1 (junio de 2009): 929–58. http://dx.doi.org/10.1146/annurev.biochem.77.032207.120833.

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5

Kelton, K. F. "Quasicrystals: structure and stability". International Materials Reviews 38, n.º 3 (enero de 1993): 105–37. http://dx.doi.org/10.1179/imr.1993.38.3.105.

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6

Fowler, Patrick W. "Fullerene stability and structure". Contemporary Physics 37, n.º 3 (mayo de 1996): 235–47. http://dx.doi.org/10.1080/00107519608217530.

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7

Barranco, M., J. Navarro y A. Poves. "Structure and Stability of3HeDroplets". Physical Review Letters 78, n.º 25 (23 de junio de 1997): 4729–32. http://dx.doi.org/10.1103/physrevlett.78.4729.

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8

Reddy, B. V. y S. N. Khanna. "Structure and stability ofTinNmclusters". Physical Review B 54, n.º 3 (15 de julio de 1996): 2240–43. http://dx.doi.org/10.1103/physrevb.54.2240.

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9

Roth, Ariel Ilan. "Structure and stability reconsidered". European Journal of International Relations 17, n.º 3 (7 de octubre de 2010): 567–84. http://dx.doi.org/10.1177/1354066110374659.

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10

Nowakowski, Jacek y Ignacio Tinoco. "RNA Structure and Stability". Seminars in Virology 8, n.º 3 (1997): 153–65. http://dx.doi.org/10.1006/smvy.1997.0118.

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11

Van Gent, Marcel R. A. y Ivo Van der Werf. "STABILITY OF BREAKWATER ROUNDHEADS DURING CONSTRUCTION". Coastal Engineering Proceedings 1, n.º 32 (19 de enero de 2011): 33. http://dx.doi.org/10.9753/icce.v32.structures.33.

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The presented study focussed on issues related to the hydraulic stability during the construction of rubble mound breakwaters. During construction the temporary roundheads differ from the roundheads in the final stage. Often a submerged uncompleted part of the breakwater is present in front of the section that reached its final crest elevation. This can occur because often the breakwater is being constructed with maritime-based equipment up to a certain elevation while the upper part of the breakwater is being constructed with land-based equipment. Three-dimensional physical model tests were performed to analyse the influence of the submerged part on the stability of the emerged part. The locations incurring the most damage clearly differ. Furthermore, for some combinations of water level, wave direction and structure geometry more damage was found for structures with a submerged part, although most combinations showed that the amount of displaced stones is generally lower for the structures with a submerged part.

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12

Vršnak, B., V. Ruždjak, R. Brajša y A. Džubur. "Structure and stability of prominences with helical structure". Solar Physics 116, n.º 1 (marzo de 1988): 45–60. http://dx.doi.org/10.1007/bf00171714.

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13

de Vries, A. J. "Foam stability. Part I. Structure and stability of foams". Recueil des Travaux Chimiques des Pays-Bas 77, n.º 1 (2 de septiembre de 2010): 81–91. http://dx.doi.org/10.1002/recl.19580770111.

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14

Mariño-Ramírez, Leonardo, Maricel G. Kann, Benjamin A. Shoemaker y David Landsman. "Histone structure and nucleosome stability". Expert Review of Proteomics 2, n.º 5 (octubre de 2005): 719–29. http://dx.doi.org/10.1586/14789450.2.5.719.

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15

Sagdatullin, M. K. "STABILITY OF COMPOUND SHELL STRUCTURE". Herald Of Technological University 25, n.º 4 (2022): 111–14. http://dx.doi.org/10.55421/1998-7072_2022_25_4_111.

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16

Braun, Hanewald y Vilgis. "Milk Emulsions: Structure and Stability". Foods 8, n.º 10 (11 de octubre de 2019): 483. http://dx.doi.org/10.3390/foods8100483.

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The main aim of this research is to investigate the characteristics of milk and milk proteins as natural emulsifiers. It is still largely unclear how the two main fractions of the milk proteins behave as emulsifier in highly concentrated emulsions. The surface-active effect of these is determined experimentally for emulsions with a high oil content (φ > 0.7), in this case fully refined rapeseed oil. Recent publications have not yet sufficiently investigated how proteins from native milk behave in emulsions in which a jamming transition is observed. In addition, scientific measurements comparing fresh milk emulsions and emulsions of dried milk protein powders based on rheological and thermal properties are pending and unexamined. The emulsions, prepared with a rotor-stator disperser, are investigated by their particle size and analysed by microscopy, characterised by their rheological properties. The behaviour under shear is directly observed by rheo-optical methods, which enables the direct observation of the dynamic behaviour of the oil droplets undergoing a size selective jamming transition. For a better understanding of the contributions of the different emulsifying proteins, oil-in-water emulsions have been prepared by using whey protein isolates and sodium casinates. Their different role (and function) on the interface activity can be assigned to the droplet sizes and mechanical behaviour during increasing shear deformation. In addition, solid (gelled) emulsions are prepared by heating. It is shown that the cysteine-containing whey proteins are mainly responsible for the sol–gel transition in the continuous water phase and the formation of soft solids.

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17

Kang, Hou Jun, Yue Yu Zhao y Hai Ping Zhu. "Stability of Cable-Arch Structure". Applied Mechanics and Materials 204-208 (octubre de 2012): 3061–67. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.3061.

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Cable-arch structure is a combined structure, which utilizes flexibility of cable and rigidity of arch. Cable-arch structure has been widely used in bridge engineering. In this work, we proposed a novel mechanical model of cable-arch structure. The out-of-plane buckling and in-plane buckling were studied using the energy method. The formula of critical loads of both the first order out-of-plane buckling and in-plane buckling were derived using Rayleigh-Ritz method. An example is ultimately investigated numerically. The results indicate that the cable can improve considerably the out-of-plane and in-plane stability of arch. Therefore, the research about the stability of cable-arch structure are both valuable not only in theoretical research but also in design of engineering structure.

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18

Goodwin, Leif. "Structure and stability of someC60isomers". Physical Review B 44, n.º 20 (15 de noviembre de 1991): 11432–36. http://dx.doi.org/10.1103/physrevb.44.11432.

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19

Viani, Alberto, Andrea Palermo, Stefano Zanardi, Nicola Demitri, Václav Petrícek, Federico Varini, Elena Belluso, Kenny Ståhl y Alessandro Francesco Gualtieri. "Structure and stability of BaTiSi2O7". Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 71, n.º 2 (24 de marzo de 2015): 153–63. http://dx.doi.org/10.1107/s2052520615002942.

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Due to their optical, photo-luminescence (PL), and afterglow properties, barium titanosilicates are compounds of great interest for functional materials and light-emitting devices. Among them, BaTiSi2O7(BTS2) is certainly one of the most intriguing; it displays peculiar properties (e.g.PL orange emission) whose exhaustive explanation has been hampered to date by the lack of a structure model. In this work, BTS2 and the related compound BaTiSi4O11(BTS4) were synthesized through conventional solid-state reaction methods. BTS2 invariably shows complex twinning patterns. Thus, its structure solution and Rietveld structure refinement were attempted using synchrotron powder diffraction. BTS2 was found to be an intergrowth of monoclinic and triclinic crystals. The monoclinic phase has the space groupP21/nand unit cella= 7.9836 (3),b= 10.0084 (4),c= 7.4795 (3) Å, and β = 100.321 (3)°, whereas the triclinic phase has the space group P\bar 1 and unit cella= 7.99385 (4),b= 10.01017 (5),c= 7.47514 (3) Å, α = 90.084 (8), β = 100.368 (8) and γ = 89.937 (9)°. These lattices can be seen as a distortion of that of tetragonal synthetic β-BaVSi2O7with Ti in place of V. The structure models obtained from this study confirm the presence of fivefold coordinated Ti atoms in a distorted pyramidal configuration. The proposed solution supports existing theories for the explanation of the PL orange colour in BTS2.

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20

Wu, Hai-Shun, Xiao-Hong Xu y Haijun Jiao. "Structure and Stability of C48Fullerenes". Journal of Physical Chemistry A 108, n.º 17 (abril de 2004): 3813–16. http://dx.doi.org/10.1021/jp037720n.

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21

Wiberg, Kenneth B. "Strain, Structure, Stability and Reactivity". Foundations of Chemistry 6, n.º 1 (2004): 65–80. http://dx.doi.org/10.1023/b:foch.0000020996.34436.71.

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22

Shaffer, Sherrill. "Industrial structure and economic stability". Applied Economics Letters 16, n.º 6 (25 de marzo de 2009): 549–55. http://dx.doi.org/10.1080/13504850701206536.

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23

Burke, John y Edgar Knobloch. "Homoclinic snaking: Structure and stability". Chaos: An Interdisciplinary Journal of Nonlinear Science 17, n.º 3 (septiembre de 2007): 037102. http://dx.doi.org/10.1063/1.2746816.

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24

Menon, Madhu y Ernst Richter. "Structure and stability of solidC36". Physical Review B 60, n.º 19 (15 de noviembre de 1999): 13322–24. http://dx.doi.org/10.1103/physrevb.60.13322.

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25

Sengupta, Debasis y A. K. Chandra. "Structure and stability of Li2F". Journal of Molecular Structure: THEOCHEM 492, n.º 1-3 (noviembre de 1999): 29–33. http://dx.doi.org/10.1016/s0166-1280(99)00005-6.

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26

Vretenar, D. "Nuclear structure far from stability". Nuclear Physics A 751 (abril de 2005): 264–81. http://dx.doi.org/10.1016/j.nuclphysa.2005.02.010.

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27

Ptitsyn, Oleg B. "Secondary-structure formation and stability". Current Biology 2, n.º 2 (febrero de 1992): 81. http://dx.doi.org/10.1016/0960-9822(92)90211-r.

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28

Grey, I. E., C. Li, I. C. Madsen y J. A. Watts. "The stability and structure of". Journal of Solid State Chemistry 66, n.º 1 (enero de 1987): 7–19. http://dx.doi.org/10.1016/0022-4596(87)90215-5.

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29

Montgomery, J. A. y H. H. Michels. "Structure and stability of trinitramide". Journal of Physical Chemistry 97, n.º 26 (julio de 1993): 6774–75. http://dx.doi.org/10.1021/j100128a005.

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30

Ishihara, Osamu. "Plasma Crystals ? Structure and Stability". Physica Scripta T75, n.º 1 (1998): 79. http://dx.doi.org/10.1238/physica.topical.075a00079.

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31

Wax, Nelson. "System structure: Stability and controllability". Journal of Mathematical Analysis and Applications 113, n.º 1 (enero de 1986): 113–22. http://dx.doi.org/10.1016/0022-247x(86)90336-7.

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32

Jug, Karl y Daniel Wichmann. "Structure and stability of chlorosiloxanes". Journal of Molecular Structure: THEOCHEM 313, n.º 1 (septiembre de 1994): 155–64. http://dx.doi.org/10.1016/0166-1280(94)85038-0.

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33

Ptitsyn, Oleg B. "Secondary structure formation and stability". Current Opinion in Structural Biology 2, n.º 1 (febrero de 1992): 13–20. http://dx.doi.org/10.1016/0959-440x(92)90170-c.

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34

Uri, Noel D. "Industry structure, performance and stability". Applied Stochastic Models and Data Analysis 3, n.º 1 (1987): 1–11. http://dx.doi.org/10.1002/asm.3150030102.

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35

REN, Jie, Cong-Jie ZHANG y Hai-Shun WU. "Structure and Stability of C20H3Radical". Chinese Journal of Chemistry 26, n.º 12 (diciembre de 2008): 2307–16. http://dx.doi.org/10.1002/cjoc.200890409.

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36

Kumar Sanyal, Abhik. "Structure formation from stability criteria". Physics & Astronomy International Journal 6, n.º 3 (2022): 97–99. http://dx.doi.org/10.15406/paij.2022.06.00259.

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In the short article we show that in view of the simple stability criteria an approximate estimation of the sizes and masses of planets, stars and galaxies may be predicted. Although no new result emerges, it might help to understand structure formation from the very first principle, which is essentially the stability criterion.

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37

Nosal, D. y E. Bilgery. "Airborne noise, structure-borne sound (vibration) and vacuum stability of milking systems". Czech Journal of Animal Science 49, No. 5 (12 de diciembre de 2011): 226–30. http://dx.doi.org/10.17221/4304-cjas.

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Problems with milking and udder health can be attributed to the following causes: (1) sound intensity level (noise) > 65 dB in the milking area, (2) transmission of oscillation (vibration) > 0.3 m/s<sup>2 </sup>to the body of the cow in the milking parlour, (3) transmission of severe oscillation (vibration) into the vacuum system, (4) assembly and installation faults causing fluid flow problems and hence pressure fluctuations in the vacuum system. By combining technical alterations to a practical unit with the fitting of the Vibrations-schlucker<sup>®</sup>, it was possible to significantly improve vacuum stability. At the same time noise dropped to one quarter of the original level and vibration was reduced by a factor of five. A significantly reduced working time requirement testified to more pleasant conditions for humans and animals. The results show that the installation requirements according to ISO 5707 (1996) have gaps here. Further studies should specifically define the comfort limits for humans and animals in milking parlours.  

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38

Araki, Susumu, Kazuo Ishino y Ichiro Deguchi. "STABILITY OF GIRDER BRIDGE AGAINST TSUNAMI FLUID FORCE". Coastal Engineering Proceedings 1, n.º 32 (27 de enero de 2011): 56. http://dx.doi.org/10.9753/icce.v32.structures.56.

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The horizontal and vertical components of the fluid force and pressure acting on a girder bridge due to tsunami like a solitary wave are measured in a hydraulic experiment and their characteristics are discussed. The peak of the impact fluid force is estimated on the basis of the change in the added mass of the structure. The wave pressure acting on the seaward side of the girder of the bridge is also estimated. The critical force for the stability of the girder bridge is estimated as the strength of bolts used in the shoes against shear stress.

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39

Pfoertner, Saskia, Hocine Oumeraci, Matthias Kudella y Andreas Kortenhaus. "WAVE LOADS AND STABILITY OF NEW FOUNDATION STRUCTURE FOR OFFSHORE WIND TURBINES MADE OF OCEAN BRICK SYSTEM (OBS)". Coastal Engineering Proceedings 1, n.º 32 (30 de enero de 2011): 66. http://dx.doi.org/10.9753/icce.v32.structures.66.

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The Ocean Brick System (OBS) is a modular system consisting of hollow concrete precast blocs (10m x 10m x 10m) piled up like cubes and interconnected to create a stiff, light and strong structure which can be used for artificial islands, artificial reefs, elevation of vulnerable low lands, deep water ports, breakwaters and foundation of offshore wind turbines. The paper focuses on the experimental results on the wave loading and the stability of the OBS used as a foundation of the support structure of offshore wind turbines. Diagrams for the prediction of total horizontal forces, vertical forces and overturning moments induced by irregular waves on the OB-structure are derived and verified through additional stability tests and stability analysis.

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40

Singh, Shikha y Mandira Sarma. "Financial Structure and Stability: An Empirical Exploration". Journal of Central Banking Theory and Practice 9, s1 (1 de julio de 2020): 9–32. http://dx.doi.org/10.2478/jcbtp-2020-0021.

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AbstractThis paper attempts to investigate empirically whether financial and macroeconomic stability of economies are significantly affected by the structure of their financial systems, viz., bank-based and market-based structures. Using panel data estimations based on data from 82 countries for the period of 1996-2012, we find that in general, bank-based financial system contributes significantly to instability of the financial sectors and currency market. We also find some evidence that within the bank-based structure, higher presence of foreign banks is positively associated with currency market pressure. Additionally, the results show that the choice of bank-based versus market-based financial structure is important for low income countries. Banks in low income countries contribute to exchange market pressures whereas stock markets leads to reduction in such pressure. In high income countries, stock markets do not significantly affect banking and currency market instability.

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41

Jaguljnjak Lazarević, Antonia, Mario Uroš y Ana Čengija. "FUNDAMENTAL MODELS OF STRUCTURAL STABILITY". Rudarsko-geološko-naftni zbornik 32, n.º 2 (marzo de 2017): 37–46. http://dx.doi.org/10.17794/rgn.2017.2.5.

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42

Bao, Wen Bo, Liang Hua Fu y Yu Yong Hu. "Stability Analysis on the Structureof a Multipurpose Gymnasium". Advanced Materials Research 243-249 (mayo de 2011): 6558–61. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.6558.

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This study focused on the structure of a multipurpose university gymnasium. The lower part of the structure is reinforced concrete frame structure and the top is steel roof truss, and the roof use radiation truss brace shell structure. In this paper, buckling analysis of the separate steel roof and the overall structure are investigated under the basic or combined load cases, and the stability of the structure is verified. This study provides a valuable reference for the design of similar structures.

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43

Zhang, Xiu Rong y Fu Xing Zhang. "Structure and Stability of Os_n(n=2-10) Clusters". Advanced Materials Research 1081 (diciembre de 2014): 84–87. http://dx.doi.org/10.4028/www.scientific.net/amr.1081.84.

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Geometric structure of Osn(n=2-10) clusters are optimized by using Density functional theory (DFT) in DMOL3 package. For the ground-state structure, relative stability are analyzed. The results show that: the ground-state structures of the cluster are plane structure when n=2-4, but the ground-state structures are stereostructure when n≥5. There exhibits the odd-even oscillation effect in stability and Os8cluster has the highest stability.

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44

He, Lin, Cong Liu y Zhen Yu Wu. "Parametric Modeling and Stability Analysis of Temporary Grandstand". Applied Mechanics and Materials 578-579 (julio de 2014): 907–16. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.907.

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Temporary grandstands bear crowd load, which is created when spectators jumping on the structure. The simplified loads applied to temporary grandstand have been obtained based on experiment data of human body jumping forces. By the ABAQUS software, the parametric and automatic modeling of three-dimensional (3D) temporary grandstand structures has been realized with Python scripting. The linear buckling analysis and nonlinear buckling analysis of the structure have been carried out. The ultimate bearing capacity and the structural deformation under crowd load have been acquired. Results show that the nonlinear effect of the structure under crowd load is very obvious; the linear buckling analysis cannot get the ultimate bearing capacity of the structure and the first order buckling mode cannot simulate the final deformation of the structure either. The research of this paper greatly improve the efficiency of the construction and automation design of temporary structures and reveal the mechanical behavior of such structure to a certain degree.

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45

CONSOLE, S., A. FINO y Y. S. POON. "STABILITY OF ABELIAN COMPLEX STRUCTURES". International Journal of Mathematics 17, n.º 04 (abril de 2006): 401–16. http://dx.doi.org/10.1142/s0129167x06003576.

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Let M = Γ\G be a nilmanifold endowed with an invariant complex structure. We prove that Kuranishi deformations of abelian complex structures are all invariant complex structures, generalizing a result in [7] for 2-step nilmanifolds. We characterize small deformations that remain abelian. As an application, we observe that at real dimension six, the deformation process of abelian complex structures is stable within the class of nilpotent complex structures. We give an example to show that this property does not hold in higher dimension.

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46

Burdges, Jeffrey y Gregory Cherlin. "Borovik-Poizat rank and stability". Journal of Symbolic Logic 67, n.º 4 (diciembre de 2002): 1570–78. http://dx.doi.org/10.2178/jsl/1190150299.

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Borovik proposed an axiomatic treatment of Morley rank in groups, later modified by Poizat, who showed that in the context of groups the resulting notion of rank provides a characterization of groups of finite Morley rank [2]. (This result makes use of ideas of Lascar, which it encapsulates in a neat way.) These axioms form the basis of the algebraic treatment of groups of finite Morley rank undertaken in [1].There are, however, ranked structures, i.e., structures on which a Borovik-Poizat rank function is defined, which are not ℵ0-stable [1, p. 376]. In [2, p. 9] Poizat raised the issue of the relationship between this notion of rank and stability theory in the following terms: “… un groupe de Borovik est une structure stable, alors qu'un univers rangé n'a aucune raison de l'être …” (emphasis added). Nonetheless, we will prove the following:Theorem 1.1. A ranked structure is superstable.An example of a non-ℵ0-stable structure with Borovik-Poizat rank 2 is given in [1, p. 376]. Furthermore, it appears that this example can be modified in a straightforward way to give ℵ0-stable structures of Borovik-Poizat rank 2 in which the Morley rank is any countable ordinal (which would refute a claim of [1, p. 373, proof of C.4]). We have not checked the details. This does not leave much room for strenghthenings of our theorem. On the other hand, the proof of Theorem 1.1 does give a finite bound for the heights of certain trees of definable sets related to unsuperstability, as we will see in Section 5.

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47

He, Yong Jun, Xiao Hua Liu y Xu Hong Zhou. "Arrangement Principle of Hoop-Layers of Imitating Bamboo Drum Type Tridimensional Parking Structure". Applied Mechanics and Materials 204-208 (octubre de 2012): 1040–44. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.1040.

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Considering the structure type and load feature of vertical lifting tridimensional parking structures are similar to those of bamboo, a new structure arrangement style of tridimensional parking structure is presented, that is to set hoop-layers like bamboo knots at its proper height, according to the imitating bamboo principle that any two adjacent hoop-layers have equal stability and lateral displacement. The static and stability property of imitating bamboo structure and non-imitating bamboo structures is studied. It is shown that the lateral displacement of imitating bamboo structure is constrained effectively and the storey relative lateral displacement becomes smaller and more uniformly distributed; additionally, the internal force mutation of columns is relatively moderate and resisting overturning ability of structures is enhanced; moreover, the overall stability of structures controlled by equivalent short columns results in the great improvement of stability bearing capacity. All above verifies the rationality of the imitating bamboo principle.

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48

Melick, William R. "Estimating Pass-Through : Structure and Stability". International Finance Discussion Paper 1990, n.º 387 (1990): 1–41. http://dx.doi.org/10.17016/ifdp.1990.387.

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Humphreys, John F. y Pete S. Bate. "Refinement and Stability of Grain Structure". Materials Science Forum 357-359 (enero de 2001): 477–88. http://dx.doi.org/10.4028/www.scientific.net/msf.357-359.477.

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Andrusenko, Iryna, Enrico Mugnaioli, Mauro Gemmi, Arianna E. Lanza, Victoria Hamilton, Charlie L. Hall, Jason Potticary, Simon R. Hall, Anna M. Piras y Ylenia Zambito. "Structure and stability of δ-indomethacin". Acta Crystallographica Section A Foundations and Advances 77, a2 (14 de agosto de 2021): C335. http://dx.doi.org/10.1107/s0108767321093508.

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