Fractal Analysis And Synergetics Of Catalysis In Nanosystems
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Fractal Analysis And Synergetics Of Catalysis In Nanosystems
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Author : G. V. Kozlov
language : en
Publisher: Nova Publishers
Release Date : 2008
Fractal Analysis And Synergetics Of Catalysis In Nanosystems written by G. V. Kozlov and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Mathematics categories.
Nanochemistry is a science connected with obtaining and studying of physical-chemical properties of particles having sizes on the nanometer scale. This book addresses polymer synthesis which, according to Melikhov's classification, is automatically part of nanochemistry. This is determined as far as polymeric macromolecules (more precisely macromolecular coils) belong to nanoparticles and polymeric sols and gels - to nanosystems. Catalysis on nanoparticles is one of the most important sections of nanochemistry. The majority of catalytic systems are nanosystems. At heterogeneous catalysis the active substance is tried to deposit on carrier in nanoparticles form in order to increase their specific surface. At homogeneous catalysis active substance molecules have often in themselves nanometer sizes. The most favorable conditions for homogeneous catalysis are created when reagent molecules are adsorbed rapidly by nanoparticles and are desorbed slowly but have high surface mobility and, consequently, high reaction rate on the surface and at the reaction molecules of such structure are formed at which desorption rate is increased sharply. If these conditions are realised in nanosystem with larger probability than in macrosystem, then nanocatalyst has the raising activity that was observed for many systems.
The Fractal Physics Of Polymer Synthesis
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Author : G. V. Kozlov
language : en
Publisher: CRC Press
Release Date : 2013-12-12
The Fractal Physics Of Polymer Synthesis written by G. V. Kozlov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-12 with Science categories.
Using fractal analysis, irreversible aggregation models, synergetics, and percolation theory, this book describes the main reactions of high-molecular substances. It is the first to give the structural and physical grounds of polymers synthesis and curing based on fractal analysis. It provides a single equation for describing the relationship betwe
Structure And Properties Of Crosslinked Polymers
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Author : Gasan M Magomedov
language : en
Publisher: Smithers Rapra
Release Date : 2011-03-23
Structure And Properties Of Crosslinked Polymers written by Gasan M Magomedov and has been published by Smithers Rapra this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-23 with Science categories.
This book gives a fresh point of view on the curing processes, structure and properties of crosslinked polymers. The general view is that the structure and properties of crosslinked polymers are defined by their density, this book demonstrates that the parameters are defined by the supermolecular (a more precisely, supersegmental structure) of the crosslinked polymers.The quantitative relationships of the structures/properties are obtained for these polymers. Using an epoxy polymer as a nanofiller for a nanocomposite is discussed and a new class of polymer is proposed. The introduction of the nanofiller gives variation in the mechanical properties, degree of crystallinity, gas permeability and so on. The use of these crosslinked polymers as natural nanocomposites is proposed. Practical methods of crosslinked polymer's supersegmental structure regulation are considered, and all the changes that this gives their properties are detailed.This book will be of significance to all material scientists and students of material science.
Multicomponent Polymeric Materials
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Author : Gennady E. Zaikov
language : en
Publisher: CRC Press
Release Date : 2013-01-23
Multicomponent Polymeric Materials written by Gennady E. Zaikov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-23 with Science categories.
Through a balanced combination of theory and experiments, this book provides a detailed overview of the main and most up-to-date advances in the area of polymeric materials. Because the subject is essentially interdisciplinary and brings together scientists and engineers with different educational backgrounds, the book offers a research-oriented ex
Nanocatalysis
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Author : Vivek Polshettiwar
language : en
Publisher: John Wiley & Sons
Release Date : 2013-09-30
Nanocatalysis written by Vivek Polshettiwar and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-30 with Technology & Engineering categories.
Exhibiting both homogeneous and heterogeneous catalytic properties, nanocatalysts allow for rapid and selective chemical transformations, with the benefits of excellent product yield and ease of catalyst separation and recovery. This book reviews the catalytic performance and the synthesis and characterization of nanocatalysts, examining the current state of the art and pointing the way towards new avenues of research. Moreover, the authors discuss new and emerging applications of nanocatalysts and nanocatalysis, from pharmaceuticals to fine chemicals to renewable energy to biotransformations. Nanocatalysis features contributions from leading research groups around the world. These contributions reflect a thorough review of the current literature as well as the authors’ first-hand experience designing and synthesizing nanocatalysts and developing new applications for them. The book’s nineteen chapters offer a broad perspective, covering: Nanocatalysis for carbon-carbon and carbon-heteroatom coupling reactions Nanocatalysis for various organic transformations in fine chemical synthesis Nanocatalysis for oxidation, hydrogenation, and other related reactions Nanomaterial-based photocatalysis and biocatalysis Nanocatalysts to produce non-conventional energy such as hydrogen and biofuels Nanocatalysts and nano-biocatalysts in the chemical industry Readers will also learn about the latest spectroscopic and microscopy tools used in advanced characterization methods that shed new light on nanocatalysts and nanocatalysis. Moreover, the authors offer expert advice to help readers develop strategies to improve catalytic performance. Summarizing and reviewing all the most important advances in nanocatalysis over the last two decades, this book explains the many advantages of nanocatalysts over conventional homogeneous and heterogeneous catalysts, providing the information and guidance needed for designing green, sustainable catalytic processes.
Physics Chemistry And Application Of Nanostructures Reviews And Short Notes To Nanomeeting 2017
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Author : Victor E Borisenko
language : en
Publisher: World Scientific
Release Date : 2017-04-27
Physics Chemistry And Application Of Nanostructures Reviews And Short Notes To Nanomeeting 2017 written by Victor E Borisenko and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-27 with Science categories.
This book presents invited reviews and original short notes of recent results obtained in studies concerning the fabrication and application of nanostructures, which hold great promise for the new generation of electronic, optoelectronic and energy conversion devices. They present achievements discussed at Special Sessions 'Frontiers of Molecular Diagnostics with Nanostructures' and 'Nanoelectromagnetics' organized within Nanomeeting-2017.Discussing exciting and relatively new topics such as fast-progressing nanoelectronics and optoelectronics, molecular electronics and spintronics, nanoelectromagnetics, nanophotonics, nanosensorics and nanoenergetics as well as nanotechnology and quantum processing of information, this book gives readers a more complete understanding of the practical applications of nanotechnology and nanostructures.
Nano Optics And Near Field Optical Microscopy
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Author : Anatoly V. Zayats
language : en
Publisher: Artech House
Release Date : 2009
Nano Optics And Near Field Optical Microscopy written by Anatoly V. Zayats and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.
"This groundbreaking book focuses on near-field microscopy which has opened up optical processes at the nanoscale for direct inspection. Further, it explores the emerging area of nano-optics which promises to make possible optical microscopy with true nanometer resolution. This frontline resource helps you achieve high resolution optical imaging of biological species and functional materials. You also find guidance in the imaging of optical device operation and new nanophotonics functionalities"--EBL.
Triboelectric Nanogenerators
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Author : Yunlong Zi
language : en
Publisher: John Wiley & Sons
Release Date : 2025-06-16
Triboelectric Nanogenerators written by Yunlong Zi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-16 with Technology & Engineering categories.
Comprehensive resource on the fundamentals, recent research developments, and applications of triboelectric nanogenerators (TENGs) Triboelectric Nanogenerators delivers a comprehensive overview of a lightweight, low cost, and high-efficiency sustainable mechanical energy harvesting technique that draws from the ambient environment and has high output and extremely flexible structural designs. The book starts with an introduction on triboelectric nanogenerator technology, then continues to discuss the latest fundamental studies about TENGs, including models of triboelectric effect, the discharge effect, and standardized evaluation. The next part explains new output performance promotion of TENGs for power generation applications, including output promotion through multiple methods, as well as power management and effective energy storage. The last part explores new concepts inspired by the field of TENGs, including applications in sensing, actuation, data science, artificial intelligence (AI), the Internet of Things (IoT), and smart cities. Written by a team of highly qualified academics with significant research experience in the field, Triboelectric Nanogenerators includes information on: Triboelectric charge generation and discharge, highlighting how electrostatic energy is often wasted Energy potential of TENGs in comparison to other sources such as lithium-ion batteries and other types of batteries Methods to promote and configure output performance, such as through gas environments, liquid-solid interfaces, and electromechanical structures High-voltage output from TENGs and its potential for new applications in areas such as breakdown charge triggering, electrospraying, field emissions, and others Triboelectric Nanogenerators is an essential reference for scientists, engineers, students, and professionals in related fields seeking to understand this exciting energy harvesting technique and gain all of the knowledge needed to help further progress in the field.
Hybrid Fiber Composites
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Author : Anish Khan
language : en
Publisher: John Wiley & Sons
Release Date : 2020-09-28
Hybrid Fiber Composites written by Anish Khan and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-28 with Technology & Engineering categories.
Fiber-reinforced composites are exceptionally versatile materials whose properties can be tuned to exhibit a variety of favorable properties such as high tensile strength and resistance against wear or chemical and thermal influences. Consequently, these materials are widely used in various industrial fields such as the aircraft, marine, and automobile industry. After an overview of the general structures and properties of hybrid fiber composites, the book focuses on the manufacturing and processing of these materials and their mechanical performance, including the elucidation of failure mechanisms. A comprehensive chapter on the modeling of hybrid fiber composites from micromechanical properties to macro-scale material behavior is followed by a review of applications of these materials in structural engineering, packaging, and the automotive and aerospace industries.
Metallic Nanoparticles
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Author :
language : en
Publisher: Elsevier
Release Date : 2008-11-21
Metallic Nanoparticles written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-21 with Technology & Engineering categories.
Metallic nanoparticles display fascinating properties that are quite different from those of individual atoms, surfaces or bulk rmaterials. They are a focus of interest for fundamental science and, because of their huge potential in nanotechnology, they are the subject of intense research effort in a range of disciplines. Applications, or potential applications, are diverse and interdisciplinary. They include, for example, use in biochemistry, in catalysis and as chemical and biological sensors, as systems for nanoelectronics and nanostructured magnetism (e.g. data storage devices), where the drive for further miniaturization provides tremendous technological challenges and, in medicine, there is interest in their potential as agents for drug delivery.The book describes the structure of metallic nanoparticles, the experimental and theoretical techniques by which this is determined, and the models employed to facilitate understanding. The various methods for the production of nanoparticles are outlined. It surveys the properties of clusters and the methods of characterisation, such as photoionization, optical spectroscopy, chemical reactivity and magnetic behaviour, and discusses element-specific information that can be extracted by synchrotron-based techniques such as EXAFS, XMCD and XMLD. The properties of clusters can vary depending on whether they are free, deposited on a surface or embedded in a matrix of another material; these issues are explored. Clusters on a surface can be formed by the diffusion and aggregation of atoms; ways of modelling these processes are described. Finally we look at nanotechnology and examine the science behind the potential of metallic nanoparticles in chemical synthesis, catalysis, the magnetic separation of biomolecules, the detection of DNA, the controlled release of molecules and their relevance to data storage.The book addresses a wide audience. There was a huge development of the subject beginning in the mid-1980s where researchers began to study the properties of free nanoparticle and models were developed to describe the observations. The newcomer is introduced to the established models and techniques of the field without the need to refer to other sources to make the material accessible. It then takes the reader through to the latest research and provides a comprehensive list of references for those who wish to pursue particular aspects in more detail. It will also be an invaluable handbook for the expert in a particular aspect of nanoscale research who wishes to acquire knowledge of other areas.The authors are specialists in different aspects of the subject with expertise in physics and chemistry, experimental techniques and computational modelling, and in interdisciplinary research. They have collaborated in research. They have also collaborated in writing this book, with the aim from the outset of making it is a coherent whole rather than a series of independent loosely connected articles.* Appeals to a wide audience* Provides an introduction to established models and techniques in the field* Comprehensive list of references