Articles de revues : « Restabilization »

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Mummaneni, Praveen V., et Regis W. Haid. « Spinal restabilization procedures ». Surgical Neurology 61, n^o 3 (mars 2004) : 308. http://dx.doi.org/10.1016/j.surneu.2003.11.013.

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Leonardi, Marco. « Spinal Restabilization Procedures ». Interventional Neuroradiology 9, n^o 2 (juin 2003) : 219–20. http://dx.doi.org/10.1177/159101990300900213.

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Manuylov, Gaik, Sergey Kosytsyn et Maxim Begichev. « RESTABILIZATION OF THE POSTCRITICAL EQUILIBRIUM OF ELASTIC SYSTEMS ». International Journal for Computational Civil and Structural Engineering 15, n^o 1 (25 mars 2019) : 98–109. http://dx.doi.org/10.22337/2587-9618-2019-15-1-98-109.

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The application of the Appel-Vozlinsky theorem on the stability or instability conditions for bifurcation points of conservative elastic systems with a symmetric bifurcation diagram to evaluate restabilization possibility of structures under loads substantially larger than the first critical force. It is shown that restabilization is possible if the first eigenvalue of the Hesse matrix is a continuous alternating function of the load parameter, and the remaining eigenvalues are sign-definite quantities. The examples of the systems with restabilization are given: a high Mises girder and an elastic system composed of compressible rods.

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Tanel, Michelle R., Tyler B. Weaver et Andrew C. Laing. « Standing Versus Stepping—Exploring the Relationships Between Postural Steadiness and Dynamic Reactive Balance Control ». Journal of Applied Biomechanics 34, n^o 6 (1 décembre 2018) : 488–95. http://dx.doi.org/10.1123/jab.2017-0205.

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While the literature has characterized balance control during quasi-static and/or dynamic tasks, comparatively few studies have examined relationships across paradigms. This study investigated whether quiet-stance postural steadiness metrics were associated with reactive control parameters (during both stepping and restabilization phases) following a lean-and-release perturbation. A total of 40 older adults participated. Postural steadiness (center of the pressure range, root mean square, velocity, and frequency) was evaluated in “feet together” and “tandem stance” positions. During the reactive control trials, the step length, step width, movement time, and reaction time were measured, in addition to the postural steadiness variables measured during the restabilization phase following the stepping response. Out of 64 comparisons, only 10 moderate correlations were observed between postural steadiness and reactive spatio-temporal stepping parameters (P ≤ .05, r = −.312 to −.534). However, postural steadiness metrics were associated with the center of pressure velocity and frequency during the restabilization phase of the reactive control trials (P ≤ .02, r = .383 to .775 for velocity and P ≤ .01, r = .386 to .550 for frequency). Although some elements of quasi-static center of pressure control demonstrated moderate associations with dynamic stepping responses, relationships were stronger for restabilization phase dynamics after foot-contact. Future work should examine the potential association between restabilization phase control and older adult fall-risk.

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Tzankova Dintcheva, N., F. P. La Mantia, R. Scaffaro, M. Paci, D. Acierno et G. Camino. « Reprocessing and restabilization of greenhouse films ». Polymer Degradation and Stability 75, n^o 3 (janvier 2002) : 459–64. http://dx.doi.org/10.1016/s0141-3910(01)00248-8.

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Pfeifer, Christian A., Artur Vizer et Herbert Vogel. « Restabilization of Acrylic Acid in Isoperibolic Reactors ». Chemical Engineering & ; Technology 39, n^o 2 (12 janvier 2016) : 331–34. http://dx.doi.org/10.1002/ceat.201400554.

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CONLEY, A. J. « CENTRIFUGAL DESTABILIZATION AND RESTABILIZATION OF PLANE SHEAR FLOWS ». International Journal of Bifurcation and Chaos 06, n^o 02 (février 1996) : 409–13. http://dx.doi.org/10.1142/s0218127496000151.

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The flow of an incompressible viscous fluid between parallel plates becomes unstable when the plates are tumbled. As the tumbling rate increases, the flow restabilizes. This phenomenon is elucidated by path-following techniques. The solution of the Navier-Stokes equations is approximated by spectral techniques. The linear stability of these solutions is studied.

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Beatriz, Millán. « Restabilization Process in Matching Markets with Workers Proposing ». Open Journal of Discrete Mathematics 12, n^o 04 (2022) : 101–12. http://dx.doi.org/10.4236/ojdm.2022.124007.

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Henshaw, Patricia C., et Derek B. Booth. « NATURAL RESTABILIZATION OF STREAM CHANNELS IN URBAN WATERSHEDS ». Journal of the American Water Resources Association 36, n^o 6 (décembre 2000) : 1219–36. http://dx.doi.org/10.1111/j.1752-1688.2000.tb05722.x.

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Pospíšil, Jan, Franek A. Sitek et Rudolf Pfaendner. « Upgrading of recycled plastics by restabilization—an overview ». Polymer Degradation and Stability 48, n^o 3 (janvier 1995) : 351–58. http://dx.doi.org/10.1016/0141-3910(95)00089-5.

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Stenkamp, Victoria S., Patricia McGuiggan et John C. Berg. « Restabilization of Electrosterically Stabilized Colloids in High Salt Media ». Langmuir 17, n^o 3 (février 2001) : 637–51. http://dx.doi.org/10.1021/la001086c.

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Wang, T., C. Fu, F. Xu, Y. Huo et M. Potier-Ferry. « On the wrinkling and restabilization of highly stretched sheets ». International Journal of Engineering Science 136 (mars 2019) : 1–16. http://dx.doi.org/10.1016/j.ijengsci.2018.12.002.

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Rubin, Alan J., et Thomas W. Kovac. « Aggregation and Restabilization of Colloidal Titania by Aluminum Sulfate ». Separation Science and Technology 21, n^o 5 (juillet 1986) : 439–56. http://dx.doi.org/10.1080/01496398608056128.

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Panjabi, Manohar M. « Dysfunction of the Spinal Stability System and its Restabilization ». Journal of Spinal Disorders 5, n^o 4 (mars 1992) : 138. http://dx.doi.org/10.1097/00002517-199203000-00027.

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Bellfy, Lauren, et Janine L. Kwapis. « Molecular Mechanisms of Reconsolidation-Dependent Memory Updating ». International Journal of Molecular Sciences 21, n^o 18 (9 septembre 2020) : 6580. http://dx.doi.org/10.3390/ijms21186580.

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Memory is not a stable record of experience, but instead is an ongoing process that allows existing memories to be modified with new information through a reconsolidation-dependent updating process. For a previously stable memory to be updated, the memory must first become labile through a process called destabilization. Destabilization is a protein degradation-dependent process that occurs when new information is presented. Following destabilization, a memory becomes stable again through a protein synthesis-dependent process called restabilization. Much work remains to fully characterize the mechanisms that underlie both destabilization and subsequent restabilization, however. In this article, we briefly review the discovery of reconsolidation as a potential mechanism for memory updating. We then discuss the behavioral paradigms that have been used to identify the molecular mechanisms of reconsolidation-dependent memory updating. Finally, we outline what is known about the molecular mechanisms that support the memory updating process. Understanding the molecular mechanisms underlying reconsolidation-dependent memory updating is an important step toward leveraging this process in a therapeutic setting to modify maladaptive memories and to improve memory when it fails.

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Lindsey, Elizabeth W. « Mothers' Perceptions of Factors Influencing the Restabilization of Homeless Families ». Families in Society : The Journal of Contemporary Social Services 77, n^o 4 (avril 1996) : 203–15. http://dx.doi.org/10.1606/1044-3894.902.

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Family homelessness has increased dramatically in the past decade, but little attention has been focused on the process by which homeless families become restabilized. The author presents findings from a qualitative study of the restabilisation process. Four factors that affect the process are discussed: children, personal resources, external resources, and socioeconomic context. The findings indicate the significant role shelter staff and other social service providers can play in assisting mothers in both emotional and instrumental ways. Implications for direct practice with homeless mothers and their families are discussed as well as implications for policy and program development.

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Popov, Pavel P., Athanasios Sideris et William A. Sirignano. « Triggering and Restabilization of Combustion Instability with Rocket Motor Acceleration ». AIAA Journal 54, n^o 5 (mai 2016) : 1652–59. http://dx.doi.org/10.2514/1.j054542.

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Findling, Robert L., Nora K. McNamara, Robert Stansbrey, Barbara L. Gracious, Resaca E. Whipkey, Christine A. Demeter, Michael D. Reed, Eric A. Youngstrom et Joseph R. Calabrese. « Combination Lithium and Divalproex Sodium in Pediatric Bipolar Symptom Restabilization ». Journal of the American Academy of Child & ; Adolescent Psychiatry 45, n^o 2 (février 2006) : 142–48. http://dx.doi.org/10.1097/01.chi.0000189135.05060.8a.

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Ruckenstein, Eli, et Haohao Huang. « Colloid Restabilization at High Electrolyte Concentrations : Effect of Ion Valency ». Langmuir 19, n^o 7 (avril 2003) : 3049–55. http://dx.doi.org/10.1021/la026729y.

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Dubois, G., B. De Germay, N. Schärer, P. Fennema et R. Braunschweiler. « Dynamic Neutralization : A New Concept for Restabilization of the Spine ». Rivista di Neuroradiologia 12, n^o 1_suppl (janvier 1999) : 175–76. http://dx.doi.org/10.1177/19714009990120s125.

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Kartalis, C. N., C. D. Papaspyrides, R. Pfaendner, K. Hoffmann et H. Herbst. « Closed Loop Recycling of Bottle Crates Using the Restabilization Technique ». Macromolecular Materials and Engineering 288, n^o 2 (février 2003) : 124–36. http://dx.doi.org/10.1002/mame.200390005.

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Shields, F. Douglas, et Jan Jeffrey Hoover. « Effects of channel restabilization on habitat diversity, twentymile creek, mississippi ». Regulated Rivers : Research & ; Management 6, n^o 3 (juillet 1991) : 163–81. http://dx.doi.org/10.1002/rrr.3450060303.

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Kováčiková, Zuzana, Javad Sarvestan et Erika Zemková. « Age-related differences in stair descent balance control : Are women more prone to falls than men ? » PLOS ONE 16, n^o 1 (7 janvier 2021) : e0244990. http://dx.doi.org/10.1371/journal.pone.0244990.

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Stair descent is one of the most common forms of daily locomotion and concurrently one of the most challenging and hazardous daily activities performed by older adults. Thus, sufficient attention should be devoted to this locomotion and to the factors that affect it. This study investigates gender and age-related differences in balance control during and after stair descent on a foam mat. Forty-seven older adults (70% women) and 38 young adults (58% women) performed a descent from one step onto a foam mat. Anteroposterior (AP) and mediolateral (ML) centre of pressure velocity (CoP) and standard deviation of the CoP sway were investigated during stair descent and restabilization. A two-way analysis of variance (ANOVA) revealed the main effects of age for the first 5 s of restabilization. Older women exhibited significantly higher values of CoP sway and velocity in both directions compared to the younger individuals (CoP SDAP5, 55%; CoP SDML5, 30%; CoP VAP5, 106%; CoP VML5, 75%). Men achieved significantly higher values of CoP sway and velocity only in the AP direction compared to their younger counterparts (CoP SDAP5, 50% and CoP VAP5, 79%). These findings suggest that with advancing age, men are at higher risk of forward falls, whereas women are at higher risk of forward and sideways falls.

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Huettl, R. F. « “New type” forest declines and restabilization/revitalization strategies a programmatic focus ». Water, Air, and Soil Pollution 41, n^o 1-4 (mars 1988) : 95–111. http://dx.doi.org/10.1007/bf00160347.

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de Poorter, Jolanda J., Rob C. Hoeben, Simone Hogendoorn, Vivien Mautner, John Ellis, Wim R. Obermann, Tom W. J. Huizinga et Rob G. H. H. Nelissen. « Gene Therapy and Cement Injection for Restabilization of Loosened Hip Prostheses ». Human Gene Therapy 19, n^o 1 (janvier 2008) : 83–96. http://dx.doi.org/10.1089/hum.2007.111.

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Kartalis, C. N., C. D. Papaspyrides et R. Pfaendner. « Recycling of post-used PE packaging film using the restabilization technique ». Polymer Degradation and Stability 70, n^o 2 (janvier 2000) : 189–97. http://dx.doi.org/10.1016/s0141-3910(00)00106-3.

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Wu, Dan, Yan Liu, Yusi Liu et Jianping Wang. « Numerical investigations of the restabilization of hydrogen–air rotating detonation engines ». International Journal of Hydrogen Energy 39, n^o 28 (septembre 2014) : 15803–9. http://dx.doi.org/10.1016/j.ijhydene.2014.07.159.

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Kurdyumov, Vadim N., et Moshe Matalon. « The porous-plug burner : Flame stabilization, onset of oscillation, and restabilization ». Combustion and Flame 153, n^o 1-2 (avril 2008) : 105–18. http://dx.doi.org/10.1016/j.combustflame.2007.07.003.

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López-León, T., P. M. Gea-Jódar, D. Bastos-González et J. L. Ortega-Vinuesa. « Hofmeister Effects in the Restabilization of IgG−Latex Particles : Testing Ruckenstein's Theory ». Langmuir 21, n^o 1 (janvier 2005) : 87–93. http://dx.doi.org/10.1021/la0487141.

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Huang, Haohao, Marian Manciu et Eli Ruckenstein. « On the Restabilization of Protein-Covered Latex Colloids at High Ionic Strengths ». Langmuir 21, n^o 1 (janvier 2005) : 94–99. http://dx.doi.org/10.1021/la0481795.

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Pfaendner, Rudolf, Heinz Herbst et Kurt Hoffmann. « Innovative concept for the upgrading of recyclates by restabilization and repair molecules ». Macromolecular Symposia 135, n^o 1 (décembre 1998) : 97–111. http://dx.doi.org/10.1002/masy.19981350112.

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Soliman, M. S. « Jumps to Resonance : Long Chaotic Transients, Unpredictable Outcome, and the Probability of Restabilization ». Journal of Applied Mechanics 60, n^o 3 (1 septembre 1993) : 669–76. http://dx.doi.org/10.1115/1.2900856.

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For nonlinear oscillators with the ability to escape from a potential well, jumps to resonance from a fold can result in qualitatively different types of response. They may be safe where the system always restabilizes onto a oscillation within the well; unsafe where the system always escapes out of the well; or indeterminate where the outcome is unpredictable. In the indeterminate case, long chaotic transients may persist before the system decides to which long-term behavior it will settle upon. We determine at which control parameters indeterminate jumps occur. We also examine how the transients scale as well as the probability of restabilization after the bifurcation.

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Barkey, Dale, et John McHugh. « Pattern Formation in Anodic Aluminum Oxide Growth by Flow Instability and Dynamic Restabilization ». Journal of The Electrochemical Society 157, n^o 11 (2010) : C388. http://dx.doi.org/10.1149/1.3484095.

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Martinelli, Alessandra Rezende, Daniel Boari Coelho, Fernando Henrique Magalhães, André Fabio Kohn et Luis Augusto Teixeira. « Light touch modulates balance recovery following perturbation : from fast response to stance restabilization ». Experimental Brain Research 233, n^o 5 (3 février 2015) : 1399–408. http://dx.doi.org/10.1007/s00221-015-4214-z.

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Lindsey, Elizabeth W. « The Process of Restabilization for Mother-Headed Homeless Families : How Social Workers Can Help ». Journal of Family Social Work 2, n^o 3 (22 septembre 1997) : 49–72. http://dx.doi.org/10.1300/j039v02n03_05.

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BUCHBINDER, I. L., A. YU PETROV et M. CVETIČ. « IMPLICATION OF DECOUPLING EFFECTS FOR ONE-LOOP CORRECTED EFFECTIVE ACTIONS FROM SUPERSTRING THEORY ». Modern Physics Letters A 15, n^o 11n12 (20 avril 2000) : 783–90. http://dx.doi.org/10.1142/s0217732300000761.

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We study the decoupling effects in one-loop corrected N = 1 supersymmetric theory with gauge neutral chiral superfields, by calculating the one-loop corrected effective Lagrangian that involves light and heavy fields with the mass scale M, and subsequently eliminating heavy fields by their equations of motion. In addition to new non-renormalizable couplings, we determine the terms that grow as log M. In a model derived from superstring theory, these terms can significantly modify low-energy predictions for the effective couplings of light fields. For example, in a class of heterotic superstring vacua with an anomalous U(1) the vacuum restabilization introduces such decoupling effects which in turn correct the low energy predictions for certain couplings by 10–50%.

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Fu, Chenbo, Hui-Hui Dai et Fan Xu. « Computing wrinkling and restabilization of stretched sheets based on a consistent finite-strain plate theory ». Computer Methods in Applied Mechanics and Engineering 384 (octobre 2021) : 113986. http://dx.doi.org/10.1016/j.cma.2021.113986.

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Fukushima, Hotaka, et Satoshi Kida. « Mechanisms of destabilization and restabilization of fear memory following the retrieval in passive avoidance task ». Neuroscience Research 65 (janvier 2009) : S234. http://dx.doi.org/10.1016/j.neures.2009.09.1316.

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Kyriakou, S. A., M. Statherpoulos, G. K. Parissakis, C. D. Papaspyrides et C. N. Kartalis. « Oxidative induction time method based on thermogravimetry for monitoring the restabilization of post-use LDPE ». Polymer Degradation and Stability 66, n^o 1 (octobre 1999) : 49–53. http://dx.doi.org/10.1016/s0141-3910(99)00051-8.

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Greer, Scott L., et Simone Rauscher. « Destabilization rights and restabilization politics : policy and political reactions to European Union healthcare services law ». Journal of European Public Policy 18, n^o 2 (mars 2011) : 220–40. http://dx.doi.org/10.1080/13501763.2011.544502.

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Tsenoglou, C. J., C. N. Kartalis, C. D. Papaspyrides et R. Pfaendner. « Restabilization of recycled, CaCO3-filled polypropylene : Assessment of reprocessing induced modifications and processing stabilizer effectiveness ». Advances in Polymer Technology 21, n^o 4 (2002) : 260–67. http://dx.doi.org/10.1002/adv.10026.

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Anderson, Gregory M., Daniel D. Lewis, Robert M. Radasch, Denis J. Marcellin-Little, Matteo Tommasini Degna et Alan R. Cross. « Circular External Skeletal Fixation Stabilization of Antebrachial and Crural Fractures in 25 Dogs ». Journal of the American Animal Hospital Association 39, n^o 5 (1 septembre 2003) : 479–98. http://dx.doi.org/10.5326/0390479.

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Fracture stabilization using circular external skeletal fixation was evaluated in 14 dogs with antebrachial fractures and 11 dogs with crural fractures. Most dogs were consistently weight bearing on the stabilized limb by 3 days following surgery. Although all dogs developed minor wire/pin tract inflammation and eight dogs developed major wire/pin tract inflammation, postoperative lameness was not consistently associated with wire/pin tract complications. Fractures in 23 dogs achieved radiographic union (mean±standard deviation [SD], 61±21 days; median, 57 days) without additional surgery; two dogs required restabilization of their fractures with linear fixators. Twenty of the 21 owners that could be contacted felt their dog had no (n=15) or only a mild (n=5) intermittent lameness at the time of final, long-term (mean±SD, 37±17 months; median, 42 months) assessment.

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Denier, James P., et Andrew P. Bassom. « Neutrally stable wave motions in thermally stratified Poiseuille-Couette flow ». Journal of the Australian Mathematical Society. Series B. Applied Mathematics 40, n^o 1 (juillet 1998) : 123–44. http://dx.doi.org/10.1017/s0334270000012418.

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AbstractThe influence of thermal buoyancy on neutral wave modes in Poiseuille-Couette flow is considered. We examine the modifications to the asymptotic structure first described by Mureithi, Denier & Stott [16], who demonstrated that neutral wave modes in a strongly thermally stratified boundary layer are localized at the position where the streamwise velocity attains its maximum value. The present work demonstrates that such a flow structure also holds for Poiseuille-Couette flow but that a new flow structure emerges as the position of maximum velocity approaches the wall (and which occurs as the level of shear, present as a consequence of the Couette component of the flow, is increased). The limiting behaviour of these wave modes is discussed thereby allowing us to identify the parameter regime appropriate to the eventual restabilization of the flow at moderate levels of shear.

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Kim, Ryang, Ryouichi Moki et Satoshi Kida. « Molecular mechanisms for the destabilization and restabilization of reactivated spatial memory in the Morris water maze ». Molecular Brain 4, n^o 1 (2011) : 9. http://dx.doi.org/10.1186/1756-6606-4-9.

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Khurram Wadee, M., et Andrew P. Bassom. « Restabilization in structures susceptible to localized buckling : an approximate method for the extended post-buckling regime ». Journal of Engineering Mathematics 38, n^o 1 (juillet 2000) : 77–90. http://dx.doi.org/10.1023/a:1004611005185.

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Kartalis, C. N., C. D. Papaspyrides, R. Pfaendner, K. Hoffmann et H. Herbst. « Mechanical recycling of postused high-density polyethylene crates using the restabilization technique. I. Influence of reprocessing ». Journal of Applied Polymer Science 73, n^o 9 (29 août 1999) : 1775–85. http://dx.doi.org/10.1002/(sici)1097-4628(19990829)73:9<1775 ::aid-app20>3.0.co;2-g.

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Kartalis, C. N., C. D. Papaspyrides, R. Pfaendner, K. Hoffmann et H. Herbst. « Mechanical recycling of post-used HDPE crates using the restabilization technique. II : Influence of artificial weathering ». Journal of Applied Polymer Science 77, n^o 5 (2000) : 1118–27. http://dx.doi.org/10.1002/1097-4628(20000801)77:5<1118 ::aid-app20>3.0.co;2-j.

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Wadee, M. Ahmer, et Maryam Farsi. « Cellular buckling in stiffened plates ». Proceedings of the Royal Society A : Mathematical, Physical and Engineering Sciences 470, n^o 2168 (8 août 2014) : 20140094. http://dx.doi.org/10.1098/rspa.2014.0094.

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An analytical model based on variational principles for a thin-walled stiffened plate subjected to axial compression is presented. A system of nonlinear differential and integral equations is derived and solved using numerical continuation. The results show that the system is susceptible to highly unstable local–global mode interaction after an initial instability is triggered. Moreover, snap-backs in the response showing sequential destabilization and restabilization, known as cellular buckling or snaking, arise. The analytical model is compared with static finite element (FE) models for joint conditions between the stiffener and the main plate that have significant rotational restraint. However, it is known from previous studies that the behaviour, where the same joint is insignificantly restrained rotationally, is captured better by an analytical approach than by standard FE methods; the latter being unable to capture cellular buckling behaviour even though the phenomenon is clearly observed in laboratory experiments.

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Haughton, Tim, et Kevin Deegan-Krause. « Hurricane Season ». East European Politics and Societies : and Cultures 29, n^o 1 (février 2015) : 61–80. http://dx.doi.org/10.1177/0888325414566072.

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The seemingly random triumph and demise of new political parties in Central and Eastern Europe actually represent a durable subsystem with relevance for party systems around the world. This article supplements existing research on volatility with new measures of party age distribution that reveal clear patterns of disruption, turnover and restabilization. These patterns emerge from stable and coherent party subsystems that follow a simple model based on three dynamics: losses by established parties, rapid gains by uncorrupted newcomers, and equally rapid newcomer losses to even newer parties. Confirmed both by electoral evidence and computer simulations, this model offers insight into the endurance of these subsystems, particularly since the very mechanisms that generate new parties’ success can preclude their ability to survive in subsequent elections. Central and Eastern European party systems offer a laboratory for understanding trends in party system volatility that are emerging in Western Europe and across the globe.

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DUROX, D., F. BAILLOT, G. SEARBY et L. BOYER. « On the shape of flames under strong acoustic forcing : a mean flow controlled by an oscillating flow ». Journal of Fluid Mechanics 350 (10 novembre 1997) : 295–310. http://dx.doi.org/10.1017/s0022112097006940.

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A conical flame, in the presence of high-frequency (≈1000 Hz) and high-amplitude acoustic modulation of the cold gases, deforms to a shape which is approximately hemispherical. It is shown that the acoustic level required to produce a hemispherical flame is such that the ratio of acoustic velocity to laminar combustion velocity is about 3. This flame flattening is equivalent to the phenomenon of acoustic restabilization observed for cellular flames propagating in tubes. The transition between the conical flame and a hemispherical flame is described. The surface area of the reaction zone of the flame is found to be unmodified when the flame flattens. The velocity field at the burner outlet is examined with and without a flame. The mean flow lines are strongly deflected when the hemispherical flame is present. We show that the presence of the flame creates an unusual situation where the oscillating flow controls the geometry of the mean flow.

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Articles de revues sur le sujet « Restabilization »

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