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1000 tulosta hakusanalla Rainer Schulz
Modern Organocatalyzed Methods in Carbohydrate Chemistry
Rainer Mahrwald
Springer International Publishing AG
2015
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This brief presents a valuable and concise overview of organocatalytic methodologies in carbohydrate chemistry. It includes glycosylation processes with de novo syntheses of carbohydrates and chain elongation of carbohydrates. The author, an academic of international distinction, goes on to make comparisons between traditional organic and metalorganic transformations.
In this updated and expanded second edition of a well-received and invaluable textbook, Prof. Dick emphasizes the importance of advanced quantum mechanics for materials science and all experimental techniques which employ photon absorption, emission, or scattering. Important aspects of introductory quantum mechanics are covered in the first seven chapters to make the subject self-contained and accessible for a wide audience. Advanced Quantum Mechanics, Materials and Photons can therefore be used for advanced undergraduate courses and introductory graduate courses which are targeted towards students with diverse academic backgrounds from the Natural Sciences or Engineering. To enhance this inclusive aspect of making the subject as accessible as possible Appendices A and B also provide introductions to Lagrangian mechanics and the covariant formulation of electrodynamics. This second edition includes an additional 62 new problems as well as expanded sectionson relativistic quantum fields and applications of quantum electrodynamics. Other special features include an introduction to Lagrangian field theory and an integrated discussion of transition amplitudes with discrete or continuous initial or final states. Once students have acquired an understanding of basic quantum mechanics and classical field theory, canonical field quantization is easy. Furthermore, the integrated discussion of transition amplitudes naturally leads to the notions of transition probabilities, decay rates, absorption cross sections and scattering cross sections, which are important for all experimental techniques that use photon probes.
Channel Modeling and Physical Layer Optimization in Copper Line Networks
Rainer Strobel
Springer International Publishing AG
2018
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This book investigates the physical layer aspects of high-speed transmission on twisted-pair copper wires, where the most performance-critical components are multi-input multi-output (MIMO) precoding and multi-line spectrum optimization as well as optimized scheduling of the transmission time slots on the fiber to the distribution point (FTTdp) copper link. The book brings theoretical results into the implementation, which requires the introduction of realistic channel models and more practical implementation constraints as found in the copper access network. A good understanding of the transmission medium, twisted-pair telephone cable bundles is the basis for this work. Starting from the analysis of measurement data from twisted-pair cable bundles at high frequencies, it presents a MIMO channel model for the FTTdp network, which allows the characteristic effects of high-frequency transmission on copper cable bundles in simulation to be reproduced and the physical layer transmission methods on the copper channels to be analyzed and optimize. The book also presents precoding optimization for more general power constraints and implementation constraints. The maximization of data rate in a transmission system such as G.fast or VDSL is a combinatorial problem, as the rate is a discrete function of the number of modulated bits. Applying convex optimization methods to the problem offers an efficient and effective solution approach that is proven to operate close to the capacity of the FTTdp channel. In addition to higher data rates, low power consumption is another important aspect of the FTTdp network, as it requires many access nodes that are supplied with power from the subscriber side over the twisted- pair copper wires. Discontinuous operation is a method of quickly adding and removing lines from the precoding group. To implement this, the system switches between different link configurations over time at a high frequency. The transmission times of all lines are jointly optimized with respect to the current rate requirements. Discontinuous operation is used to save power, but also makes it possible to further increase the data rates, taking the current subscriber traffic requirements into account. These methods are compared with theoretical upper bounds, using realistic channel models and conditions of a system implementation. The performance analysis provides deeper insights into implementation complexity trade-offs and the resulting gap to channel capacity.
Wachstum und neue Geschafte sind die grossen Herausforderungen aller Unternehmen. Einige besonders erfolgreiche Unternehmen zeigen, wie es gehen kann. Die Spielregeln werden neu definiert. Das Buch beschreibt die Erfolgsfaktoren sowie den Weg zu uberdurchschnittlichen Wachstumsraten und zeigt praxisorientiert, was diese Unternehmen auszeichnet.
Praxisorientierter Zugang zu den wichtigsten Instrumente, die an der Deutschen Terminborse gehandelt werden - so lautet das ehrgeizige Ziel dieses Buches.
Eine Analyse von über 130 Systemen aus dem Logistikbereich zeigt in einer bisher nicht existierenden Breite den heutigen Stand und die künftigen Entwicklungen von IOS auf. In der Analyse werden Systeme erfaßt, die die Geschäftsabwicklung, also den Transport physischer Güter und deren Bezahlung unterstützen. Mit dem breiten, die Waren- und Finanzlogistik umschließenden Logistikverständnis wird es möglich, die heute weitgehend getrennte Ausrichtung interorganisatorischer Systeme zu identifizieren und Wege zu einer computerintegrierten Logistik (CIL) aufzuzeigen. Vor diesem Hintergrund dokumentiert dieses Buch die bestehenden Aktivitäten und beurteilt sie hinsichtlich Entstehung, Funktionalität, technischem Konzept und künftiger Ausrichtung in übersichtlicher Darstellung.
Erbengeneration, Zunahme der privaten Vermogen und anspruchsvolle Anleger ...Vermogensverwalter sind gefragt. Dieses Jahrbuch analysiert Angebote auf dem Markt und stellt objektive Vergleiche an. Schwerpunktthemen in "Vermogensverwaltung 1999" sind die kritische Betrachtung der Vormogensverwaltungsgebuhren, die Auswirkungen des Euro auf die privaten Anlagestrategien und ein Vergleich der Starken und Schwachen bei den dem Anleger zur Verfugung stehenden Informationsquellen. Der Portratteil wird in dieser Ausgabe den diskretesten Bankengruppen, den Privatbanken, gewidmet sein.
Organisations-Management in Dienstleistung und Verwaltung
Rainer Bokranz; Lars Kasten
Springer Vieweg
2014
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In diesem bewährten Buch beschreiben die Autoren die Veränderungen des Organisationsmanagements von Dienstleistungsunternehmen und Verwaltung anhand vieler Beispiele aus dem betrieblichen Alltag. Jetzt in der 4. Auflage.
Lineare Abbildungen und ihre Umkehrungen: Ein Unterrichtsversuch in der Sekundarstufe II
Rainer Engelhard
Vieweg+Teubner Verlag
1974
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