Synthèse, caractérisation et étude chromatographique de dérivés mono-fonctionnalisés de Beta-cyclodextrine PDF Download
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Author: Séverine Tisse
Publisher:
ISBN:
Category :
Languages : fr
Pages : 376
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Book Description
Ce travail présente la synthèse de dérivés mono-fonctionnalisés de b-cyclodextrine, porteur d'une fonction acide, ester ou d'une oléfine terminale. La caractérisation complète et non-ambigüe de la position des groupements introduits a été réalisée par Spectrométrie de Masse couplée à la Chromatographie Liquide Haute Performance et par Résonance Magnétique Nucléaire de haut champ. Les dérivés ester et un dérivé acide ont été évalués avec succès en tant que phases stationnaires chirales en Chromatographie en Phase Gazeuse. Les dérives pentènylés ont été greffés sur gel de silice et leurs énantiosélectivités ont été estimées grâce à l'analyse de quelques solutés. Nous avons pu discuter des mécanismes de reconnaissance chirale et ainsi tenter d'améliorer leur compréhension.
Author: Séverine Tisse
Publisher:
ISBN:
Category :
Languages : fr
Pages : 376
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Book Description
Ce travail présente la synthèse de dérivés mono-fonctionnalisés de b-cyclodextrine, porteur d'une fonction acide, ester ou d'une oléfine terminale. La caractérisation complète et non-ambigüe de la position des groupements introduits a été réalisée par Spectrométrie de Masse couplée à la Chromatographie Liquide Haute Performance et par Résonance Magnétique Nucléaire de haut champ. Les dérivés ester et un dérivé acide ont été évalués avec succès en tant que phases stationnaires chirales en Chromatographie en Phase Gazeuse. Les dérives pentènylés ont été greffés sur gel de silice et leurs énantiosélectivités ont été estimées grâce à l'analyse de quelques solutés. Nous avons pu discuter des mécanismes de reconnaissance chirale et ainsi tenter d'améliorer leur compréhension.
Author: Andrew Chadwick
Publisher: CRC Press
ISBN: 1000395642
Category : Technology & Engineering
Languages : en
Pages : 682
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Book Description
This classic text, now in its sixth edition, combines a thorough coverage of the basic principles of civil engineering hydraulics with a wide-ranging treatment of practical, real-world applications. It now includes a powerful online resource with worked solutions for chapter problems and solution spreadsheets for more complex problems that may be used as templates for similar issues. Hydraulics in Civil and Environmental Engineering is structured into two parts to deal with principles and more advanced topics. The first part focuses on fundamentals, such as hydrostatics, hydrodynamics, pipe and open channel flow, wave theory, physical modelling, hydrology and sediment transport. The second part illustrates engineering applications of these principles to pipeline system design, hydraulic structures, river and coastal engineering, including up-to-date environmental implications, as well as a chapter on computational modelling, illustrating the application of computational simulation techniques to modern design, in a variety of contexts. New material and additional problems for solution have been added to the chapters on hydrostatics, pipe flow and dimensional analysis. The hydrology chapter has been revised to reflect updated UK flood estimation methods, data and software. The recommendations regarding the assessment of uncertainty, climate change predictions, impacts and adaptation measures have been updated, as has the guidance on the application of computational simulation techniques to river flood modelling. Andrew Chadwick is an honorary professor of coastal engineering and the former associate director of the Marine Institute at the University of Plymouth, UK. John Morfett was the head of hydraulics research and taught at the University of Brighton, UK. Martin Borthwick is a consultant hydrologist, formerly a flood hydrology advisor at the UK’s Environment Agency, and previously an associate professor at the University of Plymouth, UK.
Author:
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 8
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Book Description
Author: Wade H. Shafer
Publisher: Springer
ISBN: 9780306341205
Category : Science
Languages : en
Pages : 320
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis· seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) *at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac· tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 20 (thesis year 1975) a total of 10,374 theses titles from 28 Canadian and 239 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. The organization of Volume 20 is identical to that of past years. It consists of theses titles arranged by discipline and by university within each discipline.
