Angebote zu "Molecules" (9 Treffer)

Atoms and Molecules in Strong External Fields a...
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Atoms and Molecules in Strong External Fields:

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Stand: Dec 13, 2018
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Atoms and Molecules in Strong External Fields a...
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Atoms and Molecules in Strong External Fields:Auflage 1998

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Stand: Dec 15, 2018
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Atoms and Molecules in Strong External Fields a...
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Atoms and Molecules in Strong External Fields:Auflage 1998

Anbieter: Hugendubel.de
Stand: Dec 15, 2018
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Atomic Spectra and Collisions in External Field...
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Atomic Spectra and Collisions in External Fields:Physics of Atoms and Molecules. Softcover reprint of the original 1st ed. 1988

Anbieter: Hugendubel.de
Stand: Dec 15, 2018
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Light-Matter Interaction als eBook Download von...
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Light-Matter Interaction:Atoms and Molecules in External Fields and Nonlinear Optics Wendell T. Hill, Chi H. Lee

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Stand: Sep 11, 2018
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Light-Matter Interaction als Buch von Wendell T...
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Light-Matter Interaction:Atoms and Molecules in External Fields and Nonlinear Optics. New Wendell T. Hill, Chi H. Lee

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Stand: Dec 15, 2018
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Elements of Synthesis Planning
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Synthesis is at the core of organic chemistry. In order for compounds to be studied-be it as drugs, materials, or because of their physical properties- they have to be prepared, often in multistep synthetic sequences. Thus, the target compound is at the outset of synthesis planning. Synthesis involves creating the target compound from smaller, readily available building blocks. Immediately, questions arise: From which bui- ing blocks? In which sequence? By which reactions? Nature creates many highly complex ´´natural products´´ via reaction cascades, in which an asso- ment of starting compounds present within the cell is transformed by speci c (for each target structure) combinations of modular enzymes in speci c - quences into the target compounds [1, 2]. To mimic this ef ciency is the dream of an ideal synthesis [2]. However, we are at present so far from - alising such a ´´one-pot´´ operation that actual synthesis has to be achieved via a sequence of individual discrete steps. Thus, we are left with the task of planning each synthesis individually in an optimal fashion. Synthesis planning must be conducted with regard for certain speci - tions, some of which are due to the structure of the target molecule, and some of which relate to external parameters such as costs, environmental compatibility, or novelty. We will not consider these external aspects in this context. Planning of a synthesis is based on a pool of information regarding chemical reactions that can be executed reliably and in high chemical yield.

Anbieter: buecher.de
Stand: Dec 10, 2018
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The Properties of Energetic Materials
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For a chemist who is concerned with the synthesis of new energetic compounds, it is essential to be able to assess physical and thermodynamic properties, as well as the sensitivity, of possible new energetic compounds before synthesis is attempted. Various approaches have been developed to predict important aspects of the physical and thermodynamic properties of energetic materials including (but not limited to): crystal density, heat of formation, melting point, enthalpy of fusion and enthalpy of sublimation of an organic energetic compound. Since an organic energetic material consists of metastable molecules capable of undergoing very rapid and highly exothermic reactions, many methods have been developed to estimate the sensitivity of an energetic compound with respect to detonationcausing external stimuli such as heat, friction, impact, shock and electrostatic discharge. This book introduces these methods and demonstrates those methods which can be easily applied.

Anbieter: buecher.de
Stand: Dec 10, 2018
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Implication of Quorum Sensing System in Biofilm...
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This book illustrates the importance and significance of Quorum sensing (QS), it´s critical roles in regulating diverse cellular functions in microbes, including bioluminescence, virulence, pathogenesis, gene expression, biofilm formation and antibiotic resistance. Microbes can coordinate population behavior with small molecules called autoinducers (AHL) which serves as a signal of cellular population density, triggering new patterns of gene expression for mounting virulence and pathogenesis. Therefore, these microbes have the competence to coordinate and regulate explicit sets of genes by sensing and communicating amongst themselves utilizing variety of signals. This book descry emphasizes on how bacteria can coordinate an activity and synchronize their response to external signals and regulate gene expression. The chapters of the book provide the recent advancements on various functional aspects of QS systems in different gram positive and gram negative organisms. Finally, the book also elucidates a comprehensive yet a representative description of a large number of challenges associated with quorum sensing signal molecules viz. virulence, pathogenesis, antibiotic synthesis, biosurfactants production, persister cells, cell signaling and biofilms, intra and inter-species communications, host-pathogen interactions, social interactions & swarming migration in biofilms.

Anbieter: buecher.de
Stand: Dec 10, 2018
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