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Author: Helia Magali Morales Ramirez Publisher: ISBN: Category : Languages : es Pages : 124
Book Description
Desarrollo de un algoritmo paramétrico global para la optimización de redes de utilización de agua Resumen. Debido a la creciente preocupación por disminuir el consumo de agua fresca y controlar los efluentes de las plantas de proceso, han surgido diversas líneas de investigación que mediante diferentes metodologías han desarrollado procedimientos de diseño de redes de uso y distribución de agua. La mayoría de estos procedimientos, se enfocan en encontrar el diseño óptimo de una red, considerando como base ciertas restricciones y condiciones de operación específicas. Sin embargo, aún cuando los parámetros involucrados en el modelo son aproximaciones con una cierta holgura y que involucran determinados factores de seguridad, se pueden presentar variaciones en ellos. Es por lo último que surge la necesidad de realizar la optimización involucrando aspectos de incertidumbre debida tanto al proceso, externos al proceso y al modelo mismo. En este trabajo se presenta un modelo que es formulado basado en una superestructura que es construida considerando las diversas alternativas de operación que pueden existir en una red de utilización de agua y que además considera que un parámetro específico puede variar. El modelo obtenido es de programación paramétrica no lineal, en el que las no convexidades son generadas por los términos bilineales que se encuentran en los balances de materia de las operaciones que forman parte del proceso. Se propone un algoritmo de solución para este tipo específico de modelos, en el que se realiza la optimización global en cada una de las regiones críticas mediante una búsqueda basada en la ramificación y corte, de tal forma que se resuelve una serie de modelos paramétricos lineales. Finalmente el algoritmo garantiza una solución global para cada intervalo de cambio del parámetro, por lo que la solución garantiza que se obtiene un óptimo paramétrico global para cada intervalo de cambio del parámetro.
Author: Helia Magali Morales Ramirez Publisher: ISBN: Category : Languages : es Pages : 124
Book Description
Desarrollo de un algoritmo paramétrico global para la optimización de redes de utilización de agua Resumen. Debido a la creciente preocupación por disminuir el consumo de agua fresca y controlar los efluentes de las plantas de proceso, han surgido diversas líneas de investigación que mediante diferentes metodologías han desarrollado procedimientos de diseño de redes de uso y distribución de agua. La mayoría de estos procedimientos, se enfocan en encontrar el diseño óptimo de una red, considerando como base ciertas restricciones y condiciones de operación específicas. Sin embargo, aún cuando los parámetros involucrados en el modelo son aproximaciones con una cierta holgura y que involucran determinados factores de seguridad, se pueden presentar variaciones en ellos. Es por lo último que surge la necesidad de realizar la optimización involucrando aspectos de incertidumbre debida tanto al proceso, externos al proceso y al modelo mismo. En este trabajo se presenta un modelo que es formulado basado en una superestructura que es construida considerando las diversas alternativas de operación que pueden existir en una red de utilización de agua y que además considera que un parámetro específico puede variar. El modelo obtenido es de programación paramétrica no lineal, en el que las no convexidades son generadas por los términos bilineales que se encuentran en los balances de materia de las operaciones que forman parte del proceso. Se propone un algoritmo de solución para este tipo específico de modelos, en el que se realiza la optimización global en cada una de las regiones críticas mediante una búsqueda basada en la ramificación y corte, de tal forma que se resuelve una serie de modelos paramétricos lineales. Finalmente el algoritmo garantiza una solución global para cada intervalo de cambio del parámetro, por lo que la solución garantiza que se obtiene un óptimo paramétrico global para cada intervalo de cambio del parámetro.
Author: Zura Kakushadze Publisher: Springer ISBN: 3030027929 Category : Business & Economics Languages : en Pages : 480
Book Description
The book provides detailed descriptions, including more than 550 mathematical formulas, for more than 150 trading strategies across a host of asset classes and trading styles. These include stocks, options, fixed income, futures, ETFs, indexes, commodities, foreign exchange, convertibles, structured assets, volatility, real estate, distressed assets, cash, cryptocurrencies, weather, energy, inflation, global macro, infrastructure, and tax arbitrage. Some strategies are based on machine learning algorithms such as artificial neural networks, Bayes, and k-nearest neighbors. The book also includes source code for illustrating out-of-sample backtesting, around 2,000 bibliographic references, and more than 900 glossary, acronym and math definitions. The presentation is intended to be descriptive and pedagogical and of particular interest to finance practitioners, traders, researchers, academics, and business school and finance program students.
Author: Kenneth Train Publisher: MIT Press ISBN: 9780262200554 Category : Business & Economics Languages : en Pages : 282
Book Description
This book addresses two significant research areas in an interdependent fashion. It is first of all a comprehensive but concise text that covers the recently developed and widely applicable methods of qualitative choice analysis, illustrating the general theory through simulation models of automobile demand and use. It is also a detailed study of automobile demand and use, presenting forecasts based on these powerful new techniques. The book develops the general principles that underlie qualitative choice models that are now being applied in numerous fields in addition to transportation, such as housing, labor, energy, communications, and criminology. The general form, derivation, and estimation of qualitative choice models are explained, and the major models - logit, probit, and GEV - are discussed in detail. And continuous/discrete models are introduced. In these, qualitative choice methods and standard regression techniques are combined to analyze situations that neither alone can accurately forecast. Summarizing previous research on auto demand, the book shows how qualitative choice methods can be used by applying them to specific auto-related decisions as the aggregate of individuals' choices. The simulation model that is constructed is a significant improvement over older models, and should prove more useful to agencies and organizations requiring accurate forecasting of auto demand and use for planning and policy development. The book concludes with an actual case study based on a model designed for the investigations of the California Energy Commission. Kenneth Train is Visiting Associate Professor in Economics at the University of California, Berkeley, and Director of Economic Research at Cambridge Systematics, Inc., also in Berkeley. Qualitative Choice Analysisis included in The MIT Press Transportation Studies Series, edited by Marvin L. Manheim.
Author: Kenneth Train Publisher: Mit Press ISBN: 9780262200844 Category : Business & Economics Languages : en Pages : 338
Book Description
Optimal Regulation addresses the central issue of regulatory economics - how toregulate firms in a way that induces them to produce and price "optimally." It synthesizes the majorfindings of an extensive theoretical literature on what constitutes optimality in various situationsand which regulatory mechanisms can be used to achieve it. It is the first text to provide aunified, modern, and nontechnical treatment of the field.The book includes models for regulatingoptimal output, tariffs, and surplus subsidy schemes, and presents all of the material graphically,with clear explanations of often highly technical topics.Kenneth E. Train is Associate AdjunctProfessor in the Department of Economics and Graduate School of Public Policy at the University ofCalifornia, Berkeley. He is also Principal of the firm Cambridge Systematics.Topics include: Thecost structure of natural monopoly (economies of scale and scope). Characterization of firstandsecond-best optimality. Surplus subsidy schemes for attaining first-best optimality. Ramsey pricesand the Vogelsang-Finsinger mechanism for attaining them. Time-ofuse (TOU) prices and Riordan'smechanisms for attaining the optimal TOU prices' Multipart and self-selecting tariffs, and Sibley'smethod for using self-selecting tariffs to achieve optimality. The Averch-Johnson model of howrate-of-return regulation induces inefficiencies. Analysis of regulation based on the firm's returnon Output, costs, or sales. Price-cap regulation. Regulatory treatment of uncertainty and its impacton the firm's behavior. Methods of attaining optimality without direct regulation (contestability,auctioning the monopoly franchise.)
Author: John Moubray Publisher: Industrial Press Inc. ISBN: 9780831131463 Category : Business & Economics Languages : en Pages : 452
Book Description
Completely reorganised and comprehensively rewritten for its second edition, this guide to reliability-centred maintenance develops techniques which are practised by over 250 affiliated organisations worldwide.
Author: E. Valsami-Jones Publisher: IWA Publishing ISBN: 1843390019 Category : Science Languages : en Pages : 681
Book Description
Phosphorus in Environmental Technology: Principles and Applications, provides a definitive and detailed presentation of state-of-the-art knowledge on the environmental behaviour of phosphorus and its applications to the treatment of waters and soils. Special attention is given to phosphorus removal for recovery technologies, a concept that has emerged over the past 5-6 years. The book features an all-encompassing approach: the fundamental science of phosphorus (chemistry, geochemistry, mineralogy, biology), key aspects of its environmental behaviour and mobility, industrial applications (treatment, removal, recovery) and the principles behind such applications, novel biotechnologies and, importantly, it also addresses socio-economic issues which often influence implementation and the ultimate success of any new technology. A detailed subject index helps the reader to find their way through the different scientific and technological aspects covered, making it an invaluable reference work for students, professionals and consultants dealing with phosphorus-related environmental technologies. State-of-the-art knowledge on the behaviour of phosphorus and its applications to environmental science and technology. Covers all aspects of phosphorus in the environment, engineered and biological systems; an interdisciplinary text.
Author: Shayne Cox Gad Publisher: John Wiley & Sons ISBN: 0470259825 Category : Science Languages : en Pages : 857
Book Description
With its coverage of Food and Drug Administration regulations, international regulations, good manufacturing practices, and process analytical technology, this handbook offers complete coverage of the regulations and quality control issues that govern pharmaceutical manufacturing. In addition, the book discusses quality assurance and validation, drug stability, and contamination control, all key aspects of pharmaceutical manufacturing that are heavily influenced by regulatory guidelines. The team of expert authors offer you advice based on their own firsthand experience in all phases of pharmaceutical manufacturing.
Author: Piet Lens Publisher: IWA Publishing ISBN: 1843391007 Category : Science Languages : en Pages : 545
Book Description
Soil and Sediment Remediation discusses in detail a whole set of remediative technologies currently available to minimise their impact. Technologies for the treatment of soils and sediments in-situ (landfarming, bioscreens, bioventing, nutrient injection, phytoremediation) and ex-situ (landfarming, bio-heap treatment, soil suspension reactor) will be discussed. The microbiological, process technological and socio-economical aspects of these technologies will be addressed. Special attention will be given to novel biotechnological processes that utilise sulfur cycle conversions, e.g. sulfur and heavy metal removal from soils. Also the potential of phytoremediation will be highlighted. In addition, treatment schemes for the clean-up of polluted megasites, e.g. harbours and Manufactured Gaswork Plants (MGP), will be elaborated. The aim of Soil and Sediment Remediation is to introduce the reader in: the biogeochemical characteristics of soil and sediments- new techniques to study soil/sediment processes (molecular probes, microelectrodes, NMR) clean up technologies for soils polluted with organic (PAH, NAPL, solvents) or inorganic (heavy metals) pollutants- preventative and remediative strategies and technologies available in environmental engineering novel process applications and bioreactor designs for bioremediation the impact of soil pollution on society and its economic importance.
Author: Bruce E. Logan Publisher: John Wiley & Sons ISBN: 1118230078 Category : Science Languages : en Pages : 493
Book Description
A unique approach to the challenges of complex environmental systems Environmental Transport Processes, Second Edition provides much-needed guidance on mass transfer principles in environmental engineering. It focuses on working with uncontrolled conditions involving biological and physical systems, offering examples from diverse fields, including mass transport, kinetics, wastewater treatment, and unit processes. This new edition is fully revised and updated, incorporating modern approaches and practice problems at the end of chapters, making the Second Edition more concise, accessible, and easy to use. The book discusses the fundamentals of transport processes occurring in natural environments, with special emphasis on working at the biological physical interface. It considers transport and kinetics in terms of systems that involve microorganisms, along with in-depth coverage of particles, size spectra, and calculations for particles that can be considered either spheres or fractals. The book's treatment of particles as fractals is especially unique and the Second Edition includes a new section on exoelectrogenic biofilms. It also addresses dispersion in natural and engineered systems unlike any other book on the subject. Readers will learn to tackle with confidence complex environmental systems and make transport calculations in heterogeneous environments with mixtures of chemicals.
Author: Christos Zouboulis Publisher: Springer Science & Business Media ISBN: 0306483823 Category : Medical Languages : en Pages : 612
Book Description
It is with great pleasure that I write this Foreword to the Proceedings of the International Conference on Behçet’s Disease which was held in Berlin in June 2002. This was the first International Conference held under the auspices of the International Society for Behçet’s Disease which was founded in 2000 in Seoul. First, I congratulate our colleagues in Berlin, led by Professor Christos Zouboulis of the Department of Dermatology at the Free University of Berlin, for having organised a most successful conference and for having compiled these proceedings so rapidly. It will be realised immediately on scanning the contents of this book that the conference was truly international with 210 participants from 26 countries, as Professor Zouboulis has noted in his preface. These included basic scientists, epidemiologists, pathologists, clinicians and, importantly, representatives from patient organisations. The latter held their own conference alongside the scientific-medical conference to mutual benefit. The combined session of patients and doctors (abstracts on pp 601 – 626) gave the opportunity for an exchange of information and fruitful discussion. The wide ranging scope of the communications is evident from the index and it was most encouraging to see their origin – from all parts of the world, from senior and junior colleagues and, from many different disciplines. Many communications may be regarded as preliminary reports of research in progress and we look forward to seeing the definitive publications in appropriate journals in due course.
Author: Helia Magali Morales Ramirez
Author: Helia Magali Morales Ramirez
Author: Zura Kakushadze
Author: Kenneth Train
Author: Kenneth Train
Author: John Moubray
Author: E. Valsami-Jones
Author: Shayne Cox Gad
Author: Piet Lens
Author: Bruce E. Logan
Author: Christos Zouboulis