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Numerical Methods
CC BY
Numerical methods are a specific form of mathematics that involve creating and use of algorithms to map out the mathematical core of a practical problem. Numerical methods naturally find application in all fields of engineering, physical sciences, life sciences, social sciences, medicine, business, and even arts. The common uses of numerical methods include approximation, simulation, and estimation, and there is almost no scientific field in which numerical methods do not find a use. Results communicated here include topics ranging from statistics (Detecting Extreme Values with Order Statistics in Samples from Continuous Distributions) and Statistical software packages (dCATCH—A Numerical Package for d-Variate near G-Optimal Tchakaloff Regression via Fast NNLS) to new approaches for numerical solutions (Exact Solutions to the Maxmin Problem max‖Ax‖ Subject to ‖Bx‖≤1; On q-Quasi-Newton’s Method for Unconstrained Multiobjective Optimization Problems; Convergence Analysis and Complex Geometry of an Efficient Derivative-Free Iterative Method; On Derivative Free Multiple-Root Finders with Optimal Fourth Order Convergence; Finite Integration Method with Shifted Chebyshev Polynomials for Solving Time-Fractional Burgers’ Equations) to the use of wavelets (Orhonormal Wavelet Bases on The 3D Ball Via Volume Preserving Map from the Regular Octahedron) and methods for visualization (A Simple Method for Network Visualization).
Control and Nonlinear Dynamics on Energy Conversion Systems
CC BY-NC-ND
The ever-increasing need for higher efficiency, smaller size, and lower cost make the analysis, understanding, and design of energy conversion systems extremely important, interesting, and even imperative. One of the most neglected features in the study of such systems is the effect of the inherent nonlinearities on the stability of the system. Due to these nonlinearities, these devices may exhibit undesirable and complex dynamics, which are the focus of many researchers. Even though a lot of research has taken place in this area during the last 20 years, it is still an active research topic for mainstream power engineers. This research has demonstrated that these systems can become unstable with a direct result in increased losses, extra subharmonics, and even uncontrollability/unobservability. The detailed study of these systems can help in the design of smaller, lighter, and less expensive converters that are particularly important in emerging areas of research like electric vehicles, smart grids, renewable energy sources, and others. The aim of this Special Issue is to cover control and nonlinear aspects of instabilities in different energy conversion systems: theoretical, analysis modelling, and practical solutions for such emerging applications. In this Special Issue, we present novel research works in different areas of the control and nonlinear dynamics of energy conversion systems.
Démographie, climat et alimentation mondiale
CC BY-NC
Demography, climate, world alimentationPréface d'Alain Vicaud (Directeur de l’environnement et de la prospective EDF – Production nucléaire)Permettre à la nouvelle génération d’exploitant des centrales nucléaires d’EDF d’acquérir une base robuste sur l’environnement et les centrales nucléaires ... ... offrir à tous, amateurs de vrais livres, ou internautes convaincus, une information pédagogique sur les besoins en eau d’une centrale nucléaire, ses rejets d’effluents dans l’environnement, la surveillance de leurs éventuels impacts, sans oublier le corpus réglementaire applicable, le rôle des autorités de contrôle, ... ... c’est ce double défi qu’a relevé une équipe de chercheurs, ingénieurs, juristes, exploitants, tout juste sortis d’une vie professionnelle consacrée entièrement au domaine et forts d’une expertise reconnue, patiemment accumulée au fil des ans dans tous les métiers de l’Entreprise ; ils ont mis toutes leurs connaissances et expériences au service de ce guide. Le résultat est à la hauteur de leur talent.Après une synthèse de tout ce qu’il faut savoir en 10 pages, le guide décrit les interactions de ces grands ouvrages industriels avec leur environnement :– dans un sens, les services écologiques apportés aux centrales nucléaires pour leur permettre de produire l’électricité la moins carbonée et l’une des plus compétitives d’Europe au service du bien-être des hommes et,– dans l’autre sens, les nombreuses actions mises en oeuvre par EDF pour connaître, éviter ou réduire les effets des centrales sur les écosystèmes.L’organisation de ce guide permet au lecteur de s’y promener au gré de ses besoins ou de sa curiosité. Il y découvre l’importance qu’accorde l’exploitant à informer le public faisant sienne la définition de la transparence d’André Comte-Sponville : « Dire au public tout ce qu’il n’aimerait pas apprendre par d’autre que nous ».Un tour de la réglementation applicable aux centrales nucléaires amène le lecteur au pied de la pyramide réglementaire française des installations nucléaires de base (INB) avec à son sommet la fameuse loi TSN (Transparence et Sécurité Nucléaire) transposée aujourd’hui dans le code de l’environnement. Un détour par Oslo et Paris avec la convention OSPAR sur la protection du milieu marin ; un saut à Berne et sa convention pour la protection du Rhin, puis, bien sûr, Kyoto et le protocole sur la réduction des gaz à effet de serre, pour terminer à Bruxelles avec nombre de directives et règlements.Enfin, le guide aborde le contrôle des rejets et la surveillance de l’environnement au voisinage des centrales nucléaires, ce qui permet de suivre les principaux paramètres indicateurs de la qualité des écosystèmes terrestre et aquatique. Référence est faite aux études et aux techniques de mesures les plus sophistiquées pour déceler le moindre effet.Je remercie les auteurs pour la qualité de ce guide qui éclairera les parcours de tous nos collaborateurs qui entrent dans ce métier passionnant et rigoureux d’exploitant de centrales nucléaires. Sans nul doute, ce guide permettra aussi à un plus grand nombre de mieux connaître comment EDF conjugue les enjeux sociétaux, environnementaux et économiques au service de sa mission de producteur d’électricité.
Why Your Business Needs a Professional Website in 2025
iClick Media
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Valid BICSI RCDDv15 Dumps (V8.02) for First-Attempt Complete
DumpsBase
RCDDv15
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Gary Barrier
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Urban Water Cycle Modelling and Management
CC BY-NC-ND
Many major cities of the world face challenges arising from growing and urbanizing populations, a changing climate, and an increase in the frequency of extreme weather events. Existing centralized water services, operating at, or close to, full capacity, are not sufficient to cope with the associated increase in water demand.Replacing the entire centralized infrastructure is very difficult within the existing environmental and economic constraints. Water services can be provided through the integration of decentralized and centralized systems, which are referred to herein as hybrid water supply systems.This Special Issue presents 12 papers encompassing various aspects including challenges and experiences associated with innovations in urban water cycle management. These papers straddle physical and policy research on implementation topics. Five papers fall in the area of systems modelling, two papers deal with design criteria issues of new and modified systems, one paper is of an experimental nature and another focuses on the impact of urban systems on the estuarine environment, while two papers deal with policy and risks. The papers included in this Special Issue emanated from a large number of submissions that were subjected to a thorough peer-review process. For this effort, we thank all the authors and reviewers that have contributed to this endeavour.
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How To Choose The Right Rain Gutters Long Beach
Zack W. Larue
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Preparing for the Odoo v14 Exam: Essential Study Resources and Techniques
https://www.certkillers.net/Exam/Odoo-v14
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DeBox Global
DeBox Global has emerged as a vital in this arena, offering a Best Travel CRM (Customer Relationship Management) that caters to the diverse needs of travel agencies and businesses. Let's read about the features and advantages that make DeBox Global Travel CRM a game-changer for the industry.
