Relevant bibliographies by topics / Instability constant

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Instability constant'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Instability constant"

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Monastra, A. G., M. F. Carusela, M. V. D’Angelo, and L. Bruno. "Filament instability under constant loads." Journal of Physics: Conference Series 1012 (April 2018): 012010. http://dx.doi.org/10.1088/1742-6596/1012/1/012010.

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Wallace, J. M., and E. M. Epperlein. "Weibel instability with constant driving source." Physics of Fluids B: Plasma Physics 3, no. 7 (1991): 1579–86. http://dx.doi.org/10.1063/1.859677.

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Çakırlı, Ö. "“Constant” eclipsing binary in the instability strip." New Astronomy 37 (May 2015): 70–75. http://dx.doi.org/10.1016/j.newast.2014.12.006.

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Chan, San To, Stylianos Varchanis, Simon J. Haward, and Amy Q. Shen. "Torsional instability of constant viscosity elastic liquid bridges." Soft Matter 18, no. 10 (2022): 1965–77. http://dx.doi.org/10.1039/d1sm01804c.

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Petrov, A. G., and M. A. Yudin. "Cylinder instability in bounded flow with constant vorticity." Journal of Physics: Conference Series 894 (October 2017): 012126. http://dx.doi.org/10.1088/1742-6596/894/1/012126.

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Alipour, M. J., and A. Lashkari. "Sand instability under constant shear drained stress path." International Journal of Solids and Structures 150 (October 2018): 66–82. http://dx.doi.org/10.1016/j.ijsolstr.2018.06.003.

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GIDDINGS, STEVEN B. "THE CONFORMAL FACTOR AND THE COSMOLOGICAL CONSTANT." International Journal of Modern Physics A 05, no. 19 (1990): 3811–29. http://dx.doi.org/10.1142/s0217751x9000163x.

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The issue of the conformal factor in quantum gravity is examined for Lorentzian signature spacetimes. In Euclidean signature, the “wrong” sign of the conformal action makes the path integral undefined, but in Lorentzian signature this sign is tied to the instability of gravity and once this is accounted for the path integral should be well-defined. In this approach it is not obvious that the Baum-Hawking-Coleman mechanism for suppression of the cosmological constant functions. It is conceivable that since the multiuniverse system exhibits an instability for positive cosmological constant, the
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Tahiri, Abdellah, Mohamed Idiri, and Brahim Boubeker. "Mechanicals Behaviors of Tungsten-Rhenium Alloy Single Crystals from 77K to 300K - Atomic Simulation Study." International Journal of Engineering Research in Africa 50 (September 2020): 177–81. http://dx.doi.org/10.4028/www.scientific.net/jera.50.177.

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The elastic constants of tungsten-rhenium alloy single crystals were calculated by simulation atomic method using embedded method atom of interatomic potential. The found results show that elastic constants are proportional to the rhenium concentration up to 25 at% Re at room temperature. By following, we observed the elastic constant C44 dependency of temperature and decreased of elastic constant C’=1/2(C11-C12) when the Re atom addition increases. We have found that a growing instability of the bcc crystal structure. Our parameter calculation model is in good agreement with experimental data
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Matsebula, Lindiwe Fortunate. "Shoulder Function Following Latarjet Procedure for Recurrent Anterior Shoulder Instability." Journal of Orthopaedics & Bone Disorders 5, no. 1 (2021): 1–8. http://dx.doi.org/10.23880/jobd-16000205.

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Introduction: Anterior shoulder dislocation and recurrent glenohumeral instability is very common in the young active population. It is usually caused by trauma, and often compounded by associated bony Bankart and Hill-Sachs lesions, which distort the anatomy. This causes instability and dysfunction of the joint and these can be addressed by, amongst others, a Latarjet surgical procedure. Hypothesis: We hypothesize that since the Latarjet procedure results in stability and good functional outcome, our results are expected to compare favourably to the rest of the published literature. Methods:
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Obligado, Martín, Nathanaël Machicoane, Agathe Chouippe, Romain Volk, Markus Uhlmann, and Mickaël Bourgoin. "Path instability on a sphere towed at constant speed." Journal of Fluids and Structures 58 (October 2015): 99–108. http://dx.doi.org/10.1016/j.jfluidstructs.2015.08.003.

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Dissertations / Theses on the topic "Instability constant"

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Tyagi, P. K. "Linear Instability Of Laterally Strained Constant Pressure Boundary Layer Flows." Thesis, Indian Institute of Science, 2001. https://etd.iisc.ac.in/handle/2005/265.

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The linear instability of laterally diverging/converging flows is an important aspect towards understanding the laminar-transition process in many viscous flows. In this work the linear instability of constant pressure laterally diverging/converging flow has been investigated. The laminar velocity field for laterally diverging/converging flows, under the source/sink approximation, has been reduced to two-dimensional flows. This reduction is alternative to the Mangier transformation used earlier. For a constant pressure laterally strained flow, the laminar velocity is found to be governed by
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Tyagi, P. K. "Linear Instability Of Laterally Strained Constant Pressure Boundary Layer Flows." Thesis, Indian Institute of Science, 2001. http://hdl.handle.net/2005/265.

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The linear instability of laterally diverging/converging flows is an important aspect towards understanding the laminar-transition process in many viscous flows. In this work the linear instability of constant pressure laterally diverging/converging flow has been investigated. The laminar velocity field for laterally diverging/converging flows, under the source/sink approximation, has been reduced to two-dimensional flows. This reduction is alternative to the Mangier transformation used earlier. For a constant pressure laterally strained flow, the laminar velocity is found to be governed by t
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Bahadornejad, Momen. "On-line local load measurement based voltage instability prediction." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16187/1/Momen_Bahadornejad_Thesis.pdf.

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Voltage instability is a major concern in operation of power systems and it is well known that voltage instability and collapse have led to blackout or abnormally low voltages in a significant part of the power system. Consequently, tracking the proximity of the power system to an insecure voltage condition has become an important element of any protection and control scheme. The expected time until instability is a critical aspect. There are a few energy management systems including voltage stability analysis function in the real-time environment of control centres, these are based on assu
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Bahadornejad, Momen. "On-line local load measurement based voltage instability prediction." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16187/.

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Voltage instability is a major concern in operation of power systems and it is well known that voltage instability and collapse have led to blackout or abnormally low voltages in a significant part of the power system. Consequently, tracking the proximity of the power system to an insecure voltage condition has become an important element of any protection and control scheme. The expected time until instability is a critical aspect. There are a few energy management systems including voltage stability analysis function in the real-time environment of control centres, these are based on assump
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Wu, Mingfei. "Active Methods for Addressing the Instability Problem between Constant Power Loads and their LC Input Filters in DC Power Systems." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/13938.

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Constant power loads (CPLs) have negative impedance characteristic. This characteristic can degrade the stability margin of the whole system when the CPL operates with other circuits, typically, an LC input filter. The stability of the CPL and the LC input filter can be determined by the impedance stability criterion. Many active methods have been proposed to stabilize the interaction between LC input filters and CPLs. Compared with the mature study of active methods for stabilization of inverter based CPLs and LC input filters, there are few active methods proposed for stabilization of DC/DC
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Nguyen, Kien Trung. "Etude expérimentale du comportement instable d'un sable silteux : application aux digues de protection." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4709/document.

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Les matériaux constitutifs des digues sont souvent des sables silteux dont le comportement mécanique peut manifester une « instabilité » à des états de contraintes situés bien avant la limite de plasticité de Mohr-Coulomb. Ce mécanisme de rupture pourrait expliquer plusieurs brèches dont l'occurrence n'a pas été attribuée aux mécanismes classiques de rupture de digues telle que l'érosion interne. L'objectif de cette thèse est de mieux comprendre, au regard de ce phénomène d'instabilité, le comportement mécanique d'un sable silteux provenant de la zone adjacente à une brèche de digue du Rhône l
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Yogi, Leda Shizuka. "Estudo comparativo entre métodos de avaliação funcional do ombro nas cirurgias de descompressão subacromial e capsuloplastia: avaliação de 60 pacientes com os métodos ASES, CONSTANT, ROWE, SF-36, SST e UCLA shoulder rating." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/5/5140/tde-30052007-152653/.

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Realizamos estudo prospectivo randomizado para comparar cinco métodos específicos de avaliação funcional do ombro e uma avaliação genérica da saúde em pacientes operados de capsuloplastia e descompressão subacromial associado à reparação do manguito rotador. Foram estudados 30 pacientes de cada grupo, avaliados no período entre cinco a seis meses após o tratamento cirúrgico com os questionários dos Cirurgiões Americanos de Ombro e Cotovelo(ASES), Sistema de Pontuação do Ombro de Constant & Murley (CONSTANT), Folha de Classificação da Reparação de Bankart (ROWE), Teste Simples de Ombro (SST), E
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Гапон, Юліана Костянтинівна. "Функціональні покриття тернарними сплавами кобальту з тугоплавкими металами". Thesis, НТУ "ХПІ", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/27602.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.17.03 – технічна електрохімія. – Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2017 р. Дисертацію присвячено розробці технології гальванохімічного синтезу покриттів тернарними сплавами кобальт-молібден-вольфрам з полілігандних електролітів для одержання матеріалів з поліпшеними фізико-механічними властивостями. Визначено константи нестійкості та склад моно- та білігандних комплексів кобальту та запропоновано цитратно-дифосфатну та амонійно-цитратну системи для осадження
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Гапон, Юліана Костянтинівна. "Функціональні покриття тернарними сплавами кобальту з тугоплавкими металами". Thesis, НТУ "ХПІ", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/27601.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.17.03 – технічна електрохімія. – Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2017 р. Дисертацію присвячено розробці технології гальванохімічного синтезу покриттів тернарними сплавами кобальт-молібден-вольфрам з полілігандних електролітів для одержання матеріалів з поліпшеними фізико-механічними властивостями. Визначено константи нестійкості та склад моно- та білігандних комплексів кобальту та запропоновано цитратно-дифосфатну та амонійно-цитратну системи для осадження
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Renaudière, de Vaux Sébastien. "Convection thermique en présence d'un champ magnétique constant, alternatif, ou d'une source de chaleur dispersée." Phd thesis, Toulouse, INPT, 2017. http://oatao.univ-toulouse.fr/19752/1/renaudiere.pdf.

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On s’intéresse dans ce travail à la convection thermique en présence de champ magnétique, en lien avec les essais Vulcano du CEA de Cadarache. Ces essais ont pour but de reproduire en laboratoire les écoulements générés par un chauffage volumique dues aux matières radioactives issues d’accidents nucléaires. Le chauffage par induction électromagnétique de ces fluides permet de simuler en laboratoire la puissance volumique des désintégrations nucléaires en évitant l’utilisation de matériaux radioactifs. Néanmoins, ce forçage électromagnétique génère un couplage entre l’écoulement fluide et le ch
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Books on the topic "Instability constant"

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Yatsimirskii, K. B., and V. P. Vasil’ev. Instability Constants of Complex Compounds. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4684-8404-5.

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Yatsimirskii, K. B. Instability Constants of Complex Compounds. Springer London, Limited, 2012.

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Yatsimirskii, K. B. Instability Constants of Complex Compounds. Springer, 2012.

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Yatsimirskii, K. B. Instability Constants of Complex Compounds. Island Press, 1995.

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Todor, Arpad, ed. Willing to Pay? The Politics of Engendering Faith in the Post-Communist Romanian Tax System. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198796817.003.0011.

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Although the Romanian institutional landscape and its policies have dramatically improved since the 1990s, the low institutional capacity of its tax system remains mysteriously constant, despite continued efforts at improvement in this area and the fact that experimental data show that Romanians have apparently high tax morale. This puzzling situation is tackled in this chapter by detailing the institutional legacies upon which the post-Communist tax system has been built and tracing the evolution of tax policies over a quarter of a century within the context of post-Communist transformations.
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Uva, Christian. Sergio Leone. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190942687.001.0001.

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Spectacle, myth, fable. These are the main categories that have traditionally defined Sergio Leone’s cinematic production, but it is necessary to underline how much they are fueled by a profound, layered political interest. Leone’s cinema bears witness to a critical outlook both on the subjects it showcases and on its representational means. Far from any militancy and escaping ideological classifications, Leone’s perspective is problematic and unreconciled: it is grounded in the coexistence of different elements in a state of perennial productive tension and instability. The adjective “politic
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Holland, R. William. Are There Any Good Jobs Left? Praeger, 2006. http://dx.doi.org/10.5040/9798216958635.

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This book is for and about the millions of people who are between jobs (code for out of work), have been between jobs, or know of someone who has been. It is about how to navigate the transition from employment-for-life, career development support, and a company-sponsored pension to downsized, outsourced, and replaced. Bill Holland explains the macro-trends that have converged to create an environment of job instability and anxiety, and then moves beyond this context to present specific tactics and techniques that readers can use to stay one step ahead in their careers. More than a manual for
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Brown, Katherine E. Violence and Gender Politics in the Proto-State “Islamic State”. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190644031.003.0011.

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This chapter explores the idea of the so-called Islamic State, also known as Daesh, as a proto-state. A proto-state operates in an environment of extreme instability but also, like the nucleus of an atom, manages to generate cohesion and structural integrity while constantly in flux. Because of this condition, and despite rejecting both nationalism and statehood in Islamic State’s rhetoric, this chapter argues that Daesh remains dependent on both. This is demonstrated by exploring the ideal-figure types of the “Muslimwoman” and the “warrior-monk,” and through understanding the organized public
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Sim, Stuart. Bunyan, Poststructuralism, and Postmodernism. Edited by Michael Davies and W. R. Owens. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780199581306.013.31.

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This chapter surveys examples of the use of poststructuralist and postmodernist theory to analyse Bunyan’s work. The primary concerns and general agenda of poststructuralist/postmodernist theory are identified to assess their applicability to Bunyan’s writings (particularly his fiction and spiritual autobiography), focusing on the concepts of difference, différance, discourse, grand and little narratives, and the differend, as outlined in the work of Jean-François Lyotard, Jacques Derrida, and Michel Foucault. It is argued that such theories emphasize instability, and that this was a prominent
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Bebbington, Anthony, Abdul-Gafaru Abdulai, Denise Humphreys Bebbington, et al. Political Settlements, Natural Resource Extraction, and Inclusion in Bolivia. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198820932.003.0003.

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Bolivia’s natural resources have served as a ‘mechanism of trade’ mobilized by competing interest groups to build coalitions, create political pacts, and negotiate political settlements in which dominant actors attempt to win over those resistant to a particular vision of development and/or governance. These pacts and settlements are revisited constantly, reflecting the weak and fragmented power of the central state and of the elite and persistent tensions between national and subnational elites. Ideas about, and modes of, natural resource governance have been central to periods of instability
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Book chapters on the topic "Instability constant"

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Pauly, Ralf. "A Review of the History of the Economy and Its Concepts: Change Is a Constant." In Economic Instability and Stabilization Policy. Springer Fachmedien Wiesbaden, 2021. http://dx.doi.org/10.1007/978-3-658-33626-4_2.

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Alipour, M. J., and A. Lashkari. "Prediction of Sand Instability Under Constant Shear Drained Paths." In Springer Series in Geomechanics and Geoengineering. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56397-8_13.

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Benahmed, N., J. Zuo, and A. Wautier. "Instability of Granular Soil Under Conventional Triaxial and Constant Stress Paths." In Springer Series in Geomechanics and Geoengineering. Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-22213-9_9.

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Kaur, Harneet, Amit Goyal, and C. N. Kumar. "Modulational Instability in Generalized Nonlinear Schrödinger Equation for Constant Intensity Wave Propagation." In Advances in Intelligent Systems and Computing. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8054-1_16.

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Feller, Laurent. "Disuguaglianza, impoverimento e pauperismo nell'Occidente latino (XI-XIV secolo)." In Reti Medievali E-Book. Firenze University Press, 2025. https://doi.org/10.36253/979-12-215-0705-8.11.

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The fundamental inequality in Western societies is rooted in the position of those who are exposed to the risks inherent in economic life, even in a context of global growth. These risks create permanent insecurity, while impoverishment is a constant threat to those who depend solely on their work for their livelihood. Price instability, combined with inadequate wages, creates a mass of poor workers who depend for their survival on both public or private charity and, more rarely, on the solidarity of the social body. This essay examines the social consequences of the situations of insecurity c
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Watanabe, Tomoaki. "Enhancement of Passive Scalar Mixing in a Shear-Free Turbulent Front." In IUTAM Bookseries. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-78151-3_6.

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AbstractA localized turbulent region expands spatially by entraining surrounding non-turbulent fluid, demarcated by the turbulent/non-turbulent interface (TNTI) layer. Small-scale vortex tubes and shear layers within this TNTI layer play a pivotal role in the process of entrainment. Shear layers in turbulence are known to be unstable against perturbations with wavelengths approximately 30 times the Kolmogorov scale. This study conducts numerical experiments aimed at investigating the potential for enhancing passive scalar mixing through the excitation of small-scale shear instability. Direct n
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Tiwari, Udit, and Sahab Dass. "Moisture Stable Soot Coated Methylammonium Lead Iodide Perovskite Photoelectrodes for Hydrogen Production in Water." In Springer Proceedings in Energy. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63916-7_18.

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AbstractMetal halide perovskites have triggered a quantum leap in the photovoltaic technology marked by a humongous improvement in the device performance in a matter of just a few years. Despite their promising optoelectronic properties, their use in the photovoltaic sector remains restricted due to their inherent instability towards moisture. Here, we report a simple, cost-effective and highly efficient protection strategy that enables their use as photoelectrodes for photoelectrochemical hydrogen production while being immersed in water. A uniform coating of candle soot and silica is develop
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Vahid-Araghi, Orang, and Farid Golnaraghi. "Kinematic Constraint Instability Mechanism." In Friction-Induced Vibration in Lead Screw Drives. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-1752-2_8.

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Epstein, Gerald A. "The Mystery of the Missing Minsky: Financial Instability as a Constraint on MMT Macroeconomic Policy." In What's Wrong with Modern Money Theory? Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26504-5_6.

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Floris, Antonio, and Lucio Di Cosmo. "Protective Function and Primary Designated Management Objective." In Springer Tracts in Civil Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98678-0_11.

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AbstractIn a framework of multiple services supplied simultaneously by forests, the protection against natural hazards is one of the most important. Forests deliver conservation of natural resources, including soil and water, and other environmental services. They slow water dispersion and allow for infiltration and percolation of rainwater, which recharges soil and underground water storage. Forest cover, moreover, protects soil from wind and water erosion, avalanches and landslides. INFC collects a wide range of information related to the protective function of Italian wooded areas. This cha
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Conference papers on the topic "Instability constant"

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S.I., Ikram Khan, Yusuf Panbiharwala, B. Srinivasan, and A. Prabhakar. "Detection of Fibre Laser Instability Using a Constant Fraction Discriminator." In 2017 IEEE Workshop on Recent Advances in Photonics (WRAP). IEEE, 2017. http://dx.doi.org/10.1109/wrap.2017.8468541.

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Ahmed, A., Li Ran, and J. R. Dumby. "Stalling region instability compensation for constant power soft stalling control." In 5th IET International Conference on Power Electronics, Machines and Drives (PEMD 2010). Institution of Engineering and Technology, 2010. http://dx.doi.org/10.1049/cp.2010.0044.

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Primavera, Leonardo, and Günther Rüdiger. "Magnetic shear instability for accretion tori of constant specific angular momentum." In Accretion processes in astrophysical systems: Some like it hot! - eigth astrophysics conference. AIP, 1998. http://dx.doi.org/10.1063/1.55944.

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Santos, Iguer Luis Domini dos. "Instability of Difierential Equations with Piecewise Constant Argument of Generalized Type." In CNMAC 2022- XLI Congresso Nacional de Matemática Aplicada e Computacional. SBMAC, 2022. http://dx.doi.org/10.5540/03.2022.009.01.0264.

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Moussa, Sonia, Manel Jebali-Ben Ghorbal, Ilhem Slama-Belkhodja, Jean-Philippe Martin, and Serge Pierfederici. "DC bus voltage instability detection and stabilization under constant power load variation." In 2018 9th International Renewable Energy Congress (IREC). IEEE, 2018. http://dx.doi.org/10.1109/irec.2018.8362518.

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Sahay, C., and R. N. Dubey. "On Tool Instability During Machining." In ASME 1991 Design Technical Conferences. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/detc1991-0335.

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Abstract The present paper describes the role of the tool in vibrations of a machining system. The cutting force has been assumed to be constant. The shear deformation of the tool is considered. The quasi-static analysis of the situation yields a maximum allowable uncut chip thickness, which shows how the frictional interaction at the tool face and the ratio of the components of cutting forces alter this value. The relationship also expresses the effect of tool dimensions and work material on the vibration of the tool.
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Nanua, Prabjot, and Kenneth J. Waldron. "Instability and Chaos in Quadruped Gallop." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0264.

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Abstract A dynamic model for the two dimensional quadruped has been developed. The main body is modelled as a rigid bar and each leg consists of a constant stiffness spring, a viscous damper and a force actuator. Based on symmetry principles, a controller has been devised that will enable the quadruped to gallop at constant speed. The controller consists of two parts: an energy controller which will apply the required amount of force through the legs, and the speed controller that will control the forward speed by appropriately placing the legs. It will be shown that the body pitch need not be
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Lee, Hee Joon, and Shi-Chune Yao. "System Instability of Evaporative Micro-Channels." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88217.

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During the operation of parallel evaporative micro-channels, system instability may occur in terms of cyclical fluctuations at a long period. This is due to the co-existence of the liquid phase flow at high mass flux and the two-phase flow at a lower mass flux among different parallel channels under the same total pressure drop. For a system at constant flow-rate pumping, with a pressure regulating tank, and a constant heating pre-heater, the system may experience severe alternations between these two states of boiling and non-boiling with a period of minutes. This cyclical system instability
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Vilathgamuwa, D. M., X. N. Zhang, S. D. G. Jayasinghe, B. S. Bhangu, C. J. Gajanayake, and King Jet Tseng. "Virtual resistance based active damping solution for constant power instability in AC microgrids." In IECON 2011 - 37th Annual Conference of IEEE Industrial Electronics. IEEE, 2011. http://dx.doi.org/10.1109/iecon.2011.6119901.

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Malviya, P. S., and N. Yadav. "Colloidal effects on modulational instability in semiconductor plasma having strain dependent dielectric constant." In EMERGING INTERFACES OF PHYSICAL SCIENCES AND TECHNOLOGY 2019: EIPT2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0000472.

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Reports on the topic "Instability constant"

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Alexander, S. The Gravitational Instability of the Vacuum: Insight into the Cosmological Constant Problem. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/827296.

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Nevarez Garibaldi, Roberto. Comparison between Linear and Staggered Pile Configurations For Slope Stabilization. Deep Foundations Institute, 2025. https://doi.org/10.37308/cpf-2023-land-rr.

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The paper addresses slope stabilization through use of deep foundation elements (for simplicity, we refer to them generically as “piles” throughout this paper) and particularly focuses on the efficiency of linear versus staggered arrangements of piles along a slope. The study investigates the impact of pile arrangement on shear resistance, assuming constant soil properties, pile size, and reinforcement. The research employs Slope/W and Group software for slope stability analysis and reinforcement design; however, the analysis procedure detailed in this paper can be applied to other applicable
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bin Ahsan, Wahid, Abul Bashar, Ajoy Sarker, Tanvir Ahammed Tohin, and Arif Sikder. Health Impacts of Freelancing: Physical, Mental, and Social Challenges Among Designers in Bangladesh. Userhub, 2025. https://doi.org/10.58947/journal.qytd56.

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This study examines the health impacts of freelancing among designers in Bangladesh, a vital yet underexplored segment of the gig economy in developing countries. Using a mixed-methods approach, data were collected from an online survey of 55 freelance designers and semi-structured interviews with 20 participants, including freelancers, community leaders, and healthcare professionals. The findings reveal significant physical (e.g., fatigue, back pain, and sleep disturbances), mental (e.g., high stress due to client demands and financial instability), and social health challenges (e.g., isolati
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Leis, Brian, and Tom McGaughy. PR-185-163731-R01 Time-delayed Failure in X65 Moderate-toughness Line-pipes. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011483.

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A gouge, or a dent and gouge in pipelines can fail at a constant pressure after some period of time has elapsed, and is commonly referred to as a time-delayed failure. Such behavior has been observed both in the laboratory and in the field. Older pipelines are more likely to fail during or immediately after damage due to limited toughness. Tougher modern pipelines can survive significant damage and can be susceptible to stable tearing upon re-rounding of the damaged pipe. Under certain circumstances, this combination of factors has the potential to promote delayed failure over a period of time
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Soloviev, V. N., and Y. V. Romanenko. Economic analog of Heisenberg uncertainly principle and financial crisis. ESC "IASA" NTUU "Igor Sikorsky Kyiv Polytechnic Institute", 2017. http://dx.doi.org/10.31812/0564/2463.

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The Heisenberg uncertainty principle is one of the cornerstones of quantum mechanics. The modern version of the uncertainty principle, deals not with the precision of a measurement and the disturbance it introduces, but with the intrinsic uncertainty any quantum state must possess, regardless of what measurement is performed. Recently, the study of uncertainty relations in general has been a topic of growing interest, specifically in the setting of quantum information and quantum cryptography, where it is fundamental to the security of certain protocols. The aim of this study is to analyze the
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