Elsevier bv apr 1998 (3 resultados)
- Tapa blanda
Librería: AHA-BUCH GmbH, Einbeck, AlemaniaAHA-BUCH GmbH
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EUR 105,29
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Taschenbuch. Condición: Neu. Neuware - The IFAC International Workshop on Automation in the Steel Industry: Current Practice and Future Development (ASI'97) was held in Kyongju, Korea from 16th to 18th July 1997, with the Steel Processing Automation Research Center (SPARC) serving as the official host. The objective of the works…hop was to bring together engineers and scientists with expertise in applying modern control theories and techniques to industrial problems, particularly those involved in the steel industry. These proceedings present papers covering various processes in the steel industry, such as cold rolling, hot stripping, continuous casting, sintering, tube making and welding. New technologies with a strong potential for application to the steel industry, such as fuzzy control, AI techniques, neural networks, robust control, predictive control, and instrumentation and measurement are also covered.
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Librería: AHA-BUCH GmbH, Einbeck, AlemaniaAHA-BUCH GmbH
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EUR 145,90
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Buch. Condición: Neu. Neuware - The rapid expansion of the area of free radical biology in the last 25 years has occurred within a framework of assumptions and preconceived notions that has at times directed the course of this movement. The most dominant of these notions has been the view that free radical production is without…exception a bad thing, and that the more efficient our elimination of these toxic substances, the better off we will be. The very important observation by Bernard Babior and colleagues in 1973 that activated phagocytes produce superoxide in order to kill micro organisms, served to illustrate that constructive roles are possible for free radicals. For many in the field, however, this merely underscored the deadly nature of oxygen-derived radicals, both from the microbe's point of view and from the host's as well. (Phagocyte-produced superoxide is responsible in part for the tissue injury manifested as inflammation. See Harris and Granger, Chapter 5, and Leff, Hybertson and Repine, Chapter 6.)Mother Nature, however, has a penchant for being able to make a silk purse from a sow's ear. If one is dealt a bad hand, one must simply make the best of it. After two decades of focusing on the destructive side of free radicals, the last few years have begun to reveal a new and finer perspective on free radical metabolism - a role in regulation of cellular function (see Schulze-Osthoff and Baeuerle, Chapter 2). Evidence from a number of sources suggests that an increase in the oxidative status of cell encourages that cell to grow and divide. Increasing the expression of mangnese superoxide dismutase can suppress the malignant phenotype of melanon cells (see Oberley and Oberley, Chapter 3). Oxidative stress beyond a certain poitosis (from the Greek, literally 'to fall apart'). Is this suicide response an evolutionary fail-safe device to curtail tumorogenesis Does oxidative stress-induced apoptosis account for the loss of immune cells in AIDS (see Flores and McCor Chapter 4) This volume attempts to present the spectrum of roles, both good and bad played by active oxygen species as understood at this point in the evolution of this field of free radical biology.
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Librería: AHA-BUCH GmbH, Einbeck, AlemaniaAHA-BUCH GmbH
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EUR 492,87
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Buch. Condición: Neu. Neuware - Hardbound. The publication of this volume covers current work on the syntheses and reactions of pyridines, quinolines and isoquinolines. Also included are chapters (chapters 28, 30, 31 and 32) which review recent progress in the chemistry of the pyridine, quinoline and isoquinoline alkaloids. The…theoretical aspects of pyridine chemistry, which were covered in a separate chapter (chapter 23) in the 2nd Edition, are now incorporated into a separate single chapter (chapter 24), without division.Recent developments in the chemistry of six-membered heterocycles containing a single phosphorus, arsenic, antimony, or bismuth atom are also surveyed. Once again, the reader of Rodd will find this volume extremely valuable since it provides a concise, yet complete, survey of a major subject area of heterocyclic chemistry.
