Catálogo de libros: Química física

700 Catálogo de libros: Química física

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  • The Preparation, Characterization and Catalytic Activity of a New Sold Acid Catalyst System
    Cindy Getty
    Abstract:The preparation and use of solid strong acid catalysts and superacids are active areas of research. Solid acids and superacids are reported to exhibit extremely high catalytic activities for reactions such as isomerization, cracking, hydrocracking, dehydration, alkylation, acylation, conversion of methanol to gasoline, and so forth. Recent research in this area has foc...
    Disponible

    114,40 €

  • Coupled-cluster Based Methods for Excited State Energies and Gradients
    Steven Gwaltney
    Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, 'Coupled-cluster Based Methods for Excited State Energies and Gradients' by Steven Ray Gwaltney, was obtained from University of Florida and is being sold with permission from the author. A digital copy of thi...
    Disponible

    81,16 €

  • Coupled-cluster Based Methods for Excited State Energies and Gradients
    Steven Gwaltney
    Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, 'Coupled-cluster Based Methods for Excited State Energies and Gradients' by Steven Ray Gwaltney, was obtained from University of Florida and is being sold with permission from the author. A digital copy of thi...
    Disponible

    111,66 €

  • Propagator Calculations on Molecular Ionization and Excitation Processes
    Joseph Ortiz
    Abstract:Renormalizations, which sum classes of diagrams to all orders in perturbation theory, are applied to the electron propagator. The separation of relaxation and correlation self-energy diagrams enables the construction of electron propagators that include relaxation contributions to all orders. Correlation self-energies are obtained in second order, third order, and in t...
    Disponible

    79,04 €

  • The Velocity Dependence of the Absolute Total Ionization Cross Section for Collisions of Argon Atoms With Singlet and Triplet Metastable Helium Atoms
    Michael Woodard
    Abstract:Measurements of the velocity dependence of the absolute total ionization cross section of argon atoms upon impact with selected metastable states of helium atoms are reported.A low voltage D. C. discharge was used as the source of the excited atoms, and a rotating slotted disk selector was used for velocity selection of the excited atoms. Selection of th electronic spi...
    Disponible

    80,10 €

  • The Velocity Dependence of the Absolute Total Ionization Cross Section for Collisions of Argon Atoms With Singlet and Triplet Metastable Helium Atoms
    Michael Woodard
    Abstract:Measurements of the velocity dependence of the absolute total ionization cross section of argon atoms upon impact with selected metastable states of helium atoms are reported.A low voltage D. C. discharge was used as the source of the excited atoms, and a rotating slotted disk selector was used for velocity selection of the excited atoms. Selection of th electronic spi...
    Disponible

    110,60 €

  • Propagator Calculations on Molecular Ionization and Excitation Processes
    Joseph Ortiz
    Abstract:Renormalizations, which sum classes of diagrams to all orders in perturbation theory, are applied to the electron propagator. The separation of relaxation and correlation self-energy diagrams enables the construction of electron propagators that include relaxation contributions to all orders. Correlation self-energies are obtained in second order, third order, and in t...
    Disponible

    109,53 €

  • Novel techniques for combined MALDI-FRAP measurements and mapping
    Oleg Gradow
    Novel approaches for the measurements of lateral diffusion / molecular mobility and bindings using MALDI + FRAP and MALDI + FLIP hybridization are proposed ('MALDI-FLIP-on-a-chip' and 'MALDI-FRAP-on-a-flap'). Novel MALDI MS + FLIP approaches for verifying continuity of membranous structures and measurements of nucleus-cytoplasm exchange rates are proposed. DEFINITIONS: FRAP (Fl...
    Disponible

    138,77 €

  • Investigation of Lithium Ferrite and Vanadium Doped Lithium Ferrite
    S Malathi
    Nanomaterials ferrites have applications in making permanent magnets, magneto optic displays, microwave absorbers, high density information devices, colour imaging etc. In the present investigation lithium ferrite and lithium vanadium ferrite are synthesized by sol-gel process. The x-ray diffraction results show that the structure of lithium ferrite and vanadium doped lithium f...
    Disponible

    57,65 €

  • Preparation and Mechanical Modelling of Magneto-sensitive Elastomers
    Sahbi Aloui
    Magneto-sensitive elastomers (MSE) are self-adjusting materials. They are able to react in a target-oriented acting to changes in operating or environmental conditions. Prepared by mixing magnetic fillers within the rubber matrix, the performance of MSE mainly depends on the filler particles, the vulcanisation process and the applied external magnetic field during use. It was f...
    Disponible

    125,96 €

  • Microwave enthrakometer-based lab-on-a-chip
    Oleg Gradow
    The report considers the possibility of creating microwave-sensitive devices (research and analytical chips) for electrochemistry based on catalytically active metal films used as enthrakometers. A new class of previously unexplored physical / physicochemical processes is introduced: microwave-activated processes on the chip surface. Polarographic on-chip-catalymetry is an anal...
    Disponible

    137,40 €

  • Asymmetric and Selective Biocatalysis
    The synthesis of compounds or chiral building blocks with the desired configuration is one of the greatest challenges of chemistry, and is of the great interest in fields such as analytical chemistry and especially in fine and pharmaceutical chemistry. For this, different biocatalysts (i.e., cells, enzymes, catalytic antibodies, or ribozymes) have been used to catalyze differen...
    Disponible

    51,75 €

  • Quantum Modelling Of Some Potent, Non-toxic Antimalarial Compounds
    Adamu Uzairu / Stephen Abechi / Zakari Ya’u Ibrahim
    Quantitative structure-activity relationship (QSAR) is the mathematical relationship between biological activity and molecular structure. QSAR analyses were carried out for series of 45 Naphthylisoquinoline and 22 Bisbenzylisoquinoline alkaloids to find out the structural features (molecular descriptors) responsible for their antimalarial activities as well as the cytotoxicity....
    Disponible

    115,51 €

  • Plasma Catalysis
    Annemie Bogaerts
    Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC  remediation). Plasma catalysis allows thermodynamically difficult...
    Disponible

    59,91 €

  • HDBK OF PORPHYRIN SCI (V45)
    KEVIN M SMITH & ROGER GUI KARL M KADISH
    Volume 45 in the highly successful series Handbook of Porphyrin Science presents three very informative chapters of significant topical interest to researchers in the broad field of porphyrin science. The first chapter (Chapter 215) systematically describes in great detail the many synthetic methods utilized for the preparation of both metal-free and metallo-phthalocyanines. In...
    Disponible

    230,92 €

  • Solid Catalysts for the Upgrading of Renewable Sources
    The use of solid catalysts for the upgrade of renewable sources gives the opportunity to combine the two main cores of green chemistry, that is, on the one hand, the set-up of sustainable processes and, on the other, the use of biomass-derived materials. Solid catalysts have taken on a leading role in traditional petrochemical processes and could represent a key tool in new bio...
    Disponible

    59,84 €

  • HYDROGEN BOND RESEARCH PHOTOCHEM, PHOTOBIO & OPTOELECTRO ..
    KELI HAN & GUANGJIU ZHAO
    As one of the typical intermolecular interactions, hydrogen-bonding plays a significant role in molecular structure and function. When the hydrogen bond research system is connected with the photon, the hydrogen-bonding effect turns to an excited-state one influencing photochemistry, photobiology, and photophysics. Thus, the hydrogen bond in an excited state is a key topic for ...
    Disponible

    201,87 €

  • BIOINSPIRED CHEMISTRY
    MIHAELA CARMEN BALABAN & MARIUS REGLIER
    The observation of Nature is an inexhaustible source of inspiration to promote innovations in chemistry. The bioinspired approach is a revolution in our paradigms because it is not based on what we can take to nature, but on what we can learn from it. Enzymatic systems involved in solar energy conversion (photosystem), hydrogen production (hydrogenases), dioxygen activation (ox...
    Disponible

    157,07 €

  • THEORY AND METHODS OF PHOTOVOLTAIC MATERIAL CHARACTERIZATION
    Richard K Ahrenkiel / RICHARD K AHRENKIEL & PHIL AHRENKIEL / S Phil Ahrenkiel
    This book provides an extensive review of the theory of transport and recombination properties in semiconductors. The emphasis is placed on electrical and optical techniques. There is a presentation of the latest experimental and theoretical techniques used to analyze minority-carrier lifetime. The relevant hardware and instrumentation are described. The newest techniques of li...
    Disponible

    163,16 €

  • LECTURES ON CHEMICAL BONDING AND QUANTUM CHEMISTRY
    SAMBHU NATH DATTA
    The concept of a chemical bond evolved from a variety of experimental observations. It became useful to understand, at times even predict, the molecular structure, reactivity and mechanism of chemical reactions. Every aspect of the concept of bonding received a quantitative interpretation from the advent of quantum mechanics and its application to chemistry.In Lectures on Chemi...
    Disponible

    221,57 €

  • PHOTOORGANOCATALYSIS IN ORGANIC SYSTEMS
    PROTTI STEFANO & DAVID MAURIZIO FAGNONI
    The use of organocatalysts able to photocatalyze an organic reaction is a rapidly growing field. These photocatalyzed transformations are more environmentally sustainable with respect to the use of expensive/toxic metal-based (photo)catalysts.Based on the authors' extensive experience in photogenerated intermediates, this book presents an overview on photocatalyzed organic ...
    Disponible

    266,30 €

  • Experimental Studies of the Electrochemical Deposition of Copper
    Hala Hussein
    This book concern Electrochemical Deposition of copper from dilute solutions using packed bed electrode.The aim of work is to investigate the electrodeposition of copper in a fixed packed-bed electrode, in a circulated-batch system, in order to disclose the effects of the following operation parameters on the removal of copper from simulated waste water laden with copper. These...
    Disponible

    89,60 €

  • Homogeneous Catalysis and Mechanisms in Water and Biphasic Media
    Luca Gonsalvi
    In recent years, water phase chemistry and catalysis has witnessed a renewed interest, also in view of increasing environmental and economical concerns. Novel approaches, materials, and catalysts have been designed, for example, to convey the properties of known transition metal catalysts to their water-soluble analogs, reaching high activities and selectivities. This was possi...
    Disponible

    51,72 €

  • Tautomerization of Guanine Nucleobase and Mismatches
    Chitrani Medhi / Junu Basumatary
    This book is a part of the investigation on DNA damage pathways. A portion of the work is also submitted to Guwahati University by the Co-Author Junu Basumatary. This work is related to the Metal complex and DNA interaction, and subsequent generation Mismatches in DNA due to tautomerization. Free radical generation has also been studied, but tautomerization pathway is considere...
    Disponible

    103,82 €

  • ADV IN ATMOSPHERIC CHEM (V2)
    A L STEINER & T J WALLINGTON J R BARKER
    This series presents authoritative invited summaries of research on atmospheric chemistry in a changing world. These range from comprehensive reviews of major subject areas to focused accounts by individual research groups. The topics may include laboratory studies, field measurements, in situ monitoring and remote sensing, studies of composition, chemical modeling, theories of...
    Disponible

    273,73 €

  • Commemorative Issue in Honor of Professor Emeritus Calvin H. Bartholomew in Anticipation of His 75th Birthday
    This book recognizes the career of Professor Emeritus Calvin H. Bartholomew, who celebrated his 75th birthday in 2018, and his contributions to the science and engineering of heterogeneous catalysis, a field which improves daily life in countless, but often unrecognized ways.  Dr. Bartholomew is an eminent researcher, an outstanding educator, mentor, and friend.  The nine chapt...
    Disponible

    43,85 €

  • OPTICAL SPECTROSCOPY
    Emil Roduner / Patricia Forbes / PATRICIA FORBES TJAART KR EMIL RODUNER / Tjaart Krüger
    Developments in optical spectroscopy have taken new directions in recent decades, with the focus shifting from understanding small gas phase molecules towards applications in materials and biological systems. This is due to significant interest in these topics, which has been facilitated by significant technological developments.Absorption, luminescence and excited state energy...
    Disponible

    120,10 €

  • OPTICAL SPECTROSCOPY
    Emil Roduner / Patricia Forbes / PATRICIA FORBES TJAART KR EMIL RODUNER / Tjaart Krüger
    Developments in optical spectroscopy have taken new directions in recent decades, with the focus shifting from understanding small gas phase molecules towards applications in materials and biological systems. This is due to significant interest in these topics, which has been facilitated by significant technological developments.Absorption, luminescence and excited state energy...
    Disponible

    72,27 €

  • High Energy-density Materials
    Kenneth Wilson
    Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, 'High Energy-density Materials' by Kenneth John Wilson, was obtained from University of Florida and is being sold with permission from the author. A digital copy of this work may also be found in the universit...
    Disponible

    79,11 €

  • High Energy-density Materials
    Kenneth Wilson
    Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, 'High Energy-density Materials' by Kenneth John Wilson, was obtained from University of Florida and is being sold with permission from the author. A digital copy of this work may also be found in the universit...
    Disponible

    109,62 €