Voltage Stability Analysis of Front-End Speed Controlled Wind Turbine Integrated into Regional Power Grid Based on Bifurcation Theory by Kaide Ren, Hongwei Li, Shuaibing Li, Haiying Dong

“…Based on that, the influence of the reactive power variation and wind speed fluctuation on the stability of system voltage is analyzed through both the bifurcation theory and the time-domain simulation. Results show that the Hopf bifurcation (HB) and the saddle-node bifurcation (SNB) are inherited for the system, indicating that such bifurcations are the essence of nonlinear dynamics that lead to voltage instability. …”
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Etiopathogenic theories of nervous system diseases in Vilnius in the early 19th century: “insanity and epilepsy exacerbate when the moonlight shines” by E. Sakalauskaitė-Juodeikienė

“…On the other hand, one of the oldest theories, imaginatio gravidarum, was still prevalent in Vilnius at the time. …”
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Bhaskar, Danermark and Price (2018) Interdisciplinarity and Wellbeing: A Critical Realist General Theory of Interdisciplinarity Routledge Studies in Critical Realism, by Paul Reynolds

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INTELTRADE: Intelligent Peer-to-Peer Energy Trading System With Dynamic Pricing and Coalition Formation by Nicholas Kemp, Md Sadman Siraj, Eirini Eleni Tsiropoulou, Symeon Papavassiliou

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International Hierarchy and Functional Differentiation of States: Results of an Expert Survey by A. D. Nesmashnyi, V. M. Zhornist, I. A. Safranchuk

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Theorising participation as communicative action for development and social change by Hannelie Otto, Lynette Fourie

Subjects: “…communicative action theory…”
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A vestige of FZZ duality in higher dimensions by Chethan Krishnan, Sarthak Talukdar

Subjects: “…Black Holes in String Theory…”
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Assessment of knowledge, attitudes, and perceptions toward flood risk insurance amongst low-income households in South Africa by David Lefutso, Abiodun A. Ogundeji, Gideon Danso-Abbeam, Yong S. Nyam

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Integral Method for Determining the Stress State of an Anisotropic Reinforced Concrete Shell by Eugene M. Zveryaev

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Spinning bodies in general relativity from bosonic worldline oscillators by Kays Haddad, Gustav Uhre Jakobsen, Gustav Mogull, Jan Plefka

Subjects: “…Classical Theories of Gravity…”
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L’essor de la résilience ou la promotion de nouvelles cultures du risque autour de l’adaptation aux changements climatiques ? by Florence Rudolf

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Stefan Prey, Algorithmen zur Satztechnik und ihre Anwendung auf die Analyse, Phil. Diss., Universität Osnabrück 2012 Immanuel Ott, Methoden der Kanonkomposition bei Josquin Des Pr... by Michael Polth

Subjects: “…teaching music theory…”
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Joseph N. Straus, Introduction to Post-Tonal Theory, New York, 4. Auflage, London: W. W. Norton & Company 2016 by Ullrich Scheideler

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An analytic solution of the non-linear equation ∇2λ(r)=f(λ) and its application to the ion-atmosphere theory of strong electrolytes by S. N. Bagchi

“…Although the original Debye-Hueckel (DH) theory of strong electrolytes [3] cannot be accepted as a consistent theory, neither mathematically nor physically, modified DH theory, in which the exclusion volumes of the ions enter directly into the distribution functions, had been proved to be mathematically consistent. …”
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Table ronde « Autour du livre de François Cusset, French Theory » et des Cultural Studies, 19 novembre 2004 by Marie-Jeanne Rossignol, Pierre Guerlain

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L’approche écologique dans les théories de l’apprentissage : une perspective de recherche concernant le « sujet-apprenant » by Fadi El Hage, Christian Reynaud

“…First, we situate our paper with regard to important conceptual elements issued from theories which tried to define what is a Subject. Next, we consider the Subject as a “learning-subject” and we discuss different learning approaches. …”
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