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Books > Science & Mathematics > Chemistry > Physical chemistry

Dispersion Stability, Microstructure and Phase Transition of Anisotropic Nanodiscs (Hardcover, 2014 ed.): Ravi Kumar Pujala Dispersion Stability, Microstructure and Phase Transition of Anisotropic Nanodiscs (Hardcover, 2014 ed.)
Ravi Kumar Pujala
R3,234 Discovery Miles 32 340 Ships in 12 - 17 working days

This thesis explores the dispersion stability, microstructure and phase transitions involved in the nanoclay system. It describes the recently discovered formation of colloidal gels via two routes: the first is through phase separation and second is by equilibrium gelation and includes the first reported experimental observation of a system with high aspect ratio nanodiscs. The phase behavior of anisotropic nanodiscs of different aspect ratio in their individual and mixed states in aqueous and hydrophobic media is investigated. Distinct phase separation, equilibrium fluid and equilibrium gel phases are observed in nanoclay dispersions with extensive aging. The work then explores solution behavior, gelation kinetics, aging dynamics and temperature-induced ordering in the individual and mixed states of these discotic colloids. Anisotropic ordering dynamics induced by a water-air interface, waiting time and temperature in these dispersions were studied in great detail along with aggregation behavior of nanoplatelets in hydrophobic environment of alcohol solutions.

Physical Chemistry: Thermodynamics, Statistical Thermodynamics, and Kinetics plus Pearson Modified MasteringChemistry with... Physical Chemistry: Thermodynamics, Statistical Thermodynamics, and Kinetics plus Pearson Modified MasteringChemistry with Pearson eText, Global Edition (Paperback, 4th edition)
Thomas Engel, Philip Reid
R2,327 Discovery Miles 23 270 Ships in 12 - 17 working days

This title is a Pearson Global Edition. The Editorial team at Pearson has worked closely with educators around the world to include content which is especially relevant to students outside the United States. For courses in Thermodynamics. This package includes Mastering Chemistry. A visual, conceptual and contemporary approach to Physical Chemistry Engel and Reid's Thermodynamics, Statistical Thermodynamics, and Kinetics provides a contemporary, conceptual, and visual introduction to physical chemistry. The authors emphasize the vibrancy of physical chemistry today and illustrate its relevance to the world around us, using modern applications drawn from biology, environmental science, and material science. The 4th Edition provides visual summaries of important concepts and connections in each chapter, offers students "just in time" math help, and expands content to cover science relevant to physical chemistry. Reach every student by pairing this text with Mastering Chemistry Mastering (TM) is the teaching and learning platform that empowers you to reach every student. By combining trusted author content with digital tools and a flexible platform, Mastering personalizes the learning experience and improves results for each student. Mastering Chemistry should only be purchased when required by an instructor. Please be sure you have the correct ISBN and Course ID. Instructors, contact your Pearson representative for more information.

Iron Catalysis - Fundamentals and Applications (Hardcover, Edition.): Bernd Plietker Iron Catalysis - Fundamentals and Applications (Hardcover, Edition.)
Bernd Plietker
R5,440 Discovery Miles 54 400 Ships in 10 - 15 working days

Juan I. Padron and Victor S. Martin: Catalysis by means of Fe-based Lewis acids; Hiroshi Nakazawa*, Masumi Itazaki: Fe-H Complexes in Catalysis; Kristin Schroder, Kathrin Junge, Bianca Bitterlich, and Matthias Beller: Fe-catalyzed Oxidation Reactions of Olefins, Alkanes and Alcohols: Involvement of Oxo- and Peroxo Complexes; Chi-Ming Che, Cong-Ying Zhou, Ella Lai-Ming Wong: Catalysis by Fe=X Complexes (X=NR, CR2); Rene Peters, Daniel F. Fischer and Sascha Jautze: Ferrocene and Half Sandwich Complexes as Catalysts with Iron Participation; Markus Jegelka, Bernd Plietker: Catalysis by Means of Complex Ferrates."

Controlled Synthesis of Pt-Ni Bimetallic Catalysts and Study of Their Catalytic Properties (Hardcover, 1st ed. 2016): Yuen Wu Controlled Synthesis of Pt-Ni Bimetallic Catalysts and Study of Their Catalytic Properties (Hardcover, 1st ed. 2016)
Yuen Wu
R1,469 Discovery Miles 14 690 Ships in 10 - 15 working days

This thesis focuses on the controlled synthesis of Pt-Ni bimetallic nanoparticles and the study of their catalytic properties. It discusses in detail the nucleation mechanism and the growth process of bimetallic systems, which is vital for a deeper understanding of the design of bimetallic catalysts. The author presents four pioneering studies: (1) syntheses of water-soluble octahedral, truncated octahedral, and cubic Pt-Ni nanocrystals and the study of their structure-activity relationship in model hydrogenation reactions; (2) a strategy for designing a concave Pt-Ni alloy using controllable chemical etching; (3) defect-dominated shape recovery of nanocrystals, which is a new synthesis strategy for trimetallic catalysts; (4) a sophisticated construction of Au islands on Pt Ni, which is an ideal trimetallic nanoframe catalyst. This thesis inspires researchers working in materials, catalysis as well as other interdisciplinary areas.

Chemical Energy and Exergy - An Introduction to Chemical Thermodynamics for Engineers (Hardcover, New): Norio Sato Chemical Energy and Exergy - An Introduction to Chemical Thermodynamics for Engineers (Hardcover, New)
Norio Sato
R2,757 Discovery Miles 27 570 Ships in 12 - 17 working days

This book is a beginners introduction to chemical thermodynamics for engineers.
In the textbook efforts have been made to visualize as clearly as possible the main concepts of thermodynamic quantities such as enthalpy and entropy, thus making them more perceivable. Furthermore, intricate formulae in thermodynamics have been discussed as functionally unified sets of formulae to understand their meaning rather than to mathematically derive them in detail.
In this textbook, the affinity of irreversible processes, defined by the second law of thermodynamics, has been treated as the main subject, rather than the equilibrium of chemical reactions. The concept of affinity is applicable in general not only to the processes of chemical reactions but also to all kinds of irreversible processes.
This textbook also includes electrochemical thermodynamics in which, instead of the classical phenomenological approach, molecular science provides an advanced understanding of the reactions of charged particles such as ions and electrons at the electrodes.
Recently, engineering thermodynamics has introduced a new thermodynamic potential called exergy, which essentially is related to the concept of the affinity of irreversible processes. This textbook discusses the relation between exergy and affinity and explains the exergy balance diagram and exergy vector diagram applicable to exergy analyses in chemical manufacturing processes.
This textbook is written in the hope that the readers understand in a broad way the fundamental concepts of energy and exergy from chemical thermodynamics in practical applications. Finishing this book, the readers may easily step forward further into an advanced text of their specified line.
- Visualizes the main concepts of thermodynamics to show the meaning of the quantities and formulae.
- Focuses mainly on the affinity of irreversible processes and the related concept of exergy.
- Provides an advanced understanding of electrochemical thermodynamics.

Thin Films on Glass (Hardcover, 1 ed. 1997. Corr. 2nd printing  2003): Hans Bach, Dieter Krause Thin Films on Glass (Hardcover, 1 ed. 1997. Corr. 2nd printing 2003)
Hans Bach, Dieter Krause
R5,521 Discovery Miles 55 210 Ships in 10 - 15 working days

This corrected and expanded printing of Thin Films on Glass describes the development of active and passive thin films on glass at Schott, including recent developments and new technologies in glass ceramic reflectors, coatings on plastics and optical multilayers for ultra narrow band pass filters. Design strategies, the use of conventional and newly developed production technologies, and the application of characterization methods for the structure of thin films and their properties are reported. The book is written by Schott experts and illustrates how the best film materials and deposition and processing parameters may be selected. The topics covered include flip-flop layers, wave-guiding films, Rugate filters and gradient devices, optical transducers, coatings, and mirrors.  

Topological Microfluidics - Nematic Liquid Crystals and Nematic Colloids in Microfluidic Environment (Hardcover, 2013 ed.):... Topological Microfluidics - Nematic Liquid Crystals and Nematic Colloids in Microfluidic Environment (Hardcover, 2013 ed.)
Anupam Sengupta
R3,234 Discovery Miles 32 340 Ships in 12 - 17 working days

This work represents one of the first comprehensive attempts to seamlessly integrate two highly active interdisciplinary domains in soft matter science - microfluidics and liquid crystals (LCs). Motivated by the lack of fundamental experiments, Dr. Sengupta initiated systematic investigation of LC flows at micro scales, gaining new insights that are also suggestive of novel applications. By tailoring the surface anchoring of the LC molecules and the channel dimensions, different topological constraints were controllably introduced within the microfluidic devices. These topological constraints were further manipulated using a flow field, paving the way for Topological Microfluidics. Harnessing topology on a microfluidic platform, as described in this thesis, opens up capabilities beyond the conventional viscous-dominated microfluidics, promising potential applications in targeted delivery and sorting systems, self-assembled motifs, and novel metamaterial fabrications.

Micro- and Macro-Properties of Solids - Thermal, Mechanical and Dielectric Properties (Hardcover, 2006 ed.): Dinker B.... Micro- and Macro-Properties of Solids - Thermal, Mechanical and Dielectric Properties (Hardcover, 2006 ed.)
Dinker B. Sirdeshmukh, Lalitha Sirdeshmukh, K.G. Subhadra
R5,397 R4,353 Discovery Miles 43 530 Save R1,044 (19%) Ships in 12 - 17 working days

This book addresses the most important aspects of solid state physics, reviewing basic properties, related experimental techniques, and summarizing research over six decades. In addition, Micro- and Macro-Properties of Solids provides data on new materials such as rare-earth metals, semiconductors, ferroelectrics, mixed-valence compounds, superionic conductors, optical and optoelectronic materials and biomaterials.

Chemical Modelling - Applications and Theory Volume 3 (Hardcover, Edition.): E.A. Moore, Brian T. Sutcliffe, A.H. Pakiari,... Chemical Modelling - Applications and Theory Volume 3 (Hardcover, Edition.)
E.A. Moore, Brian T. Sutcliffe, A.H. Pakiari, Theodore E. Simos, Stephen Wilson, …
R10,216 Discovery Miles 102 160 Ships in 12 - 17 working days

Chemical Modelling: Applications and Theory comprises critical literature reviews of molecular modelling, both theoretical and applied. Molecular modelling in this context refers to modelling the structure, properties and reactions of atoms, molecules & materials. Each chapter is compiled by experts in their fields and provides a selective review of recent literature, incorporating sufficient historical perspective for the non-specialist to gain an understanding. With chemical modelling covering such a wide range of subjects, this Specialist Periodical Report serves as the first port of call to any chemist, biochemist, materials scientist or molecular physicist needing to acquaint themselves with major developments in the area.

Catalysis - Volume 17 (Hardcover): Mehri Sanati, Andreas Kogelbauer, Jozef L. Margitfalvi, Graham J. Hutchings, Harold H. Kung,... Catalysis - Volume 17 (Hardcover)
Mehri Sanati, Andreas Kogelbauer, Jozef L. Margitfalvi, Graham J. Hutchings, Harold H. Kung, …
R10,208 Discovery Miles 102 080 Ships in 12 - 17 working days

There is an increasing challenge for chemical industry and research institutions to find cost-efficient and environmentally sound methods of converting natural resources into fuels chemicals and energy. Catalysts are essential to these processes and the Catalysis Specialist Periodical Report series serves to highlight major developments in this area. This series provides systematic and detailed reviews of topics of interest to scientists and engineers in the catalysis field. The coverage includes all major areas of heterogeneous and homogeneous catalysis and also specific applications of catalysis such as NOx control kinetics and experimental techniques such as microcalorimetry. Each chapter is compiled by recognised experts within their specialist fields and provides a summary of the current literature. This series will be of interest to all those in academia and industry who need an up-to-date critical analysis and summary of catalysis research and applications. Catalysis will be of interest to anyone working in academia and industry that needs an up-to-date critical analysis and summary of catalysis research and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading experts in their specialist fields, this series is designed to help the chemistry community keep current with the latest developments in their field. Each volume in the series is published either annually or biennially and is a superb reference point for researchers. www.rsc.org/spr

Enantioselective Organocatalyzed Reactions II - Asymmetric C-C Bond Formation Processes (Hardcover, 2011 ed.): Rainer Mahrwald Enantioselective Organocatalyzed Reactions II - Asymmetric C-C Bond Formation Processes (Hardcover, 2011 ed.)
Rainer Mahrwald
R4,289 Discovery Miles 42 890 Ships in 10 - 15 working days

"Organocatalyzed Reactions" "I" and "II" presents a timely summary of organocatalysed reactions including: a) Enantioselective C-C bond formation processes e.g. Michael-addition, Mannich-reaction, Hydrocyanation (Strecker-reaction), aldol reaction, allylation, cycloadditions, aza-Diels-Alder reactions, benzoin condensation, Stetter reaction, conjugative Umpolung, asymmetric Friedel-Crafts reactions; b) Asymmetric enantioselective reduction processes e.g. Reductive amination of aldehydes or ketones, asymmetric transfer hydrogenation; c) Asymmetric enantioselective oxidation processes;
d) Asymmetric epoxidation, Bayer-Villiger oxidation; e) Enantioselective a-functionalization; f) A-alkylation of ketones, a-halogenation and a-oxidation of carbonyl compounds.

Applied Chemistry - A Textbook for Engineers and Technologists (Hardcover, 2nd ed. 2013): Oleg Roussak, H.D. Gesser Applied Chemistry - A Textbook for Engineers and Technologists (Hardcover, 2nd ed. 2013)
Oleg Roussak, H.D. Gesser
R3,295 Discovery Miles 32 950 Ships in 12 - 17 working days

The second edition of Gesser's classic Applied Chemistry includes updated versions of the original 16 chapters plus two new chapters on semiconductors and nanotechnology. This textbook introduces chemistry students to the applications of their field to engineering design and function across a wide range of subjects, from fuels and polymers to electrochemistry and water treatment. Each chapter concludes with a reading list of relevant books and articles as well as a set of exercises which include problems that extend the topics beyond the text. Other supplements to the text include a laboratory section with step-by-step experiments and a solutions manual for instructors.

Catalytic Microreactors for Portable Power Generation (Hardcover, 2011 ed.): Symeon Karagiannidis Catalytic Microreactors for Portable Power Generation (Hardcover, 2011 ed.)
Symeon Karagiannidis
R2,771 Discovery Miles 27 710 Ships in 10 - 15 working days

"Catalytic Microreactors for Portable Power Generation" addresses a problem of high relevance and increased complexity in energy technology. This thesis outlines an investigation into catalytic and gas-phase combustion characteristics in channel-flow, platinum-coated microreactors. The emphasis of the study is on microreactor/microturbine concepts for portable power generation and the fuels of interest are methane and propane. The author carefully describes numerical and experimental techniques, providing a new insight into the complex interactions between chemical kinetics and molecular transport processes, as well as giving the first detailed report of hetero-/homogeneous chemical reaction mechanisms for catalytic propane combustion. The outcome of this work will be widely applied to the industrial design of micro- and mesoscale combustors.

Brillouin-Wigner Methods for Many-Body Systems (Hardcover, 2010 ed.): Stephen Wilson, Ivan Hubac Brillouin-Wigner Methods for Many-Body Systems (Hardcover, 2010 ed.)
Stephen Wilson, Ivan Hubac
R5,572 Discovery Miles 55 720 Ships in 10 - 15 working days

Brillouin-Wigner Methods for Many-Body Systems gives an introduction to many-body methods in electronic structure theory for the graduate student and post-doctoral researcher. It provides researchers in many-body physics and theoretical chemistry with an account of Brillouin-Wigner methodology as it has been developed in recent years to handle the multireference correlation problem. Moreover, the frontiers of this research field are defined.

This volume is of interest to atomic and molecular physicists, physical chemists and chemical physicists, quantum chemists and condensed matter theorists, computational chemists and applied mathematicians.

Basic Chemical Thermodynamics (Fifth Edition) (Paperback, 5th Revised edition): E.Brian Smith Basic Chemical Thermodynamics (Fifth Edition) (Paperback, 5th Revised edition)
E.Brian Smith
R814 Discovery Miles 8 140 Ships in 12 - 17 working days

This widely acclaimed text, now in its fifth edition and translated into many languages, continues to present a clear, simple and concise introduction to chemical thermodynamics. An examination of equilibrium in the everyday world of mechanical objects provides the starting point for an accessible account of the factors that determine equilibrium in chemical systems. This straightforward approach leads students to a thorough understanding of the basic principles of thermodynamics, which are then applied to a wide range of physico-chemical systems. The book also discusses the problems of non-ideal solutions and the concept of activity, and provides an introduction to the molecular basis of thermodynamics. Over five editions, the views of teachers of the subject and their students have been incorporated. The result is a little more rigour in specifying the dimensions within logarithmic expressions, the addition of more worked examples and the inclusion of a simple treatment of the molecular basis of thermodynamics. Students on courses in thermodynamics will continue to find this popular book an excellent introductory text.

Nucleic Acid Drugs (Hardcover, 2012 ed.): Akira Murakami Nucleic Acid Drugs (Hardcover, 2012 ed.)
Akira Murakami
R5,429 Discovery Miles 54 290 Ships in 10 - 15 working days

New Antisense Strategies: Chemical Synthesis of RNA Oligomers, by Junichi Yano und Gerald E. Smyth Development and Modification of Decoy Oligodeoxynucleotides for Clinical Application, by Mariana Kiomy Osako, Hironori Nakagami und Ryuichi Morishita Modulation of Endosomal Toll-Like Receptor-Mediated Immune Responses by Synthetic Oligonucleotides, by Ekambar R. Kandimalla und Sudhir Agrawal Delivery of Nucleic Acid Drugs, by Yan Lee und Kazunori Kataoka Aptamer: Biology to Applications, by Yoshikazu Nakamura Development and Clinical Applications of Nucleic Acid Therapeutics, by Veenu Aishwarya, Anna Kalota und Alan M. Gewirtz

Frustrated Lewis Pairs II - Expanding the Scope (Hardcover, 2013 ed.): Gerhard Erker, Douglas W. Stephan Frustrated Lewis Pairs II - Expanding the Scope (Hardcover, 2013 ed.)
Gerhard Erker, Douglas W. Stephan
R8,532 Discovery Miles 85 320 Ships in 12 - 17 working days

Frustrated Lewis Pairs: From Dihydrogen Activation to Asymmetric Catalysis, by Dianjun Chen, Jurgen Klankermayer

Coexistence of Lewis Acid and Base Functions: A Generalized View of the Frustrated Lewis Pair Concept with Novel Implications for Reactivity, by Heinz Berke, Yanfeng Jiang, Xianghua Yang, Chunfang Jiang, Subrata Chakraborty, Anne Landwehr

New Organoboranes in "Frustrated Lewis Pair" Chemistry, by Zhenpin Lu, Hongyan Ye, Huadong Wang

Paracyclophane Derivatives in Frustrated Lewis Pair Chemistry, by Lutz Greb, Jan Paradies

Novel Al-Based FLP Systems, by Werner Uhl, Ernst-Ulrich Wurthwein

N-Heterocyclic Carbenes in FLP Chemistry, by Eugene L. Kolychev, Eileen Theuergarten, Matthias Tamm

Carbon-Based Frustrated Lewis Pairs, by Shabana Khan, Manuel Alcarazo

Selective C-H Activations Using Frustrated Lewis Pairs. Applications in Organic Synthesis, by Paul Knochel, Konstantin Karaghiosoff, Sophia Manolikakes

FLP-Mediated Activations and Reductions of CO2 and CO, by Andrew E. Ashley, Dermot O Hare

Radical Frustrated Lewis Pairs, by Timothy H. Warren and Gerhard Erker

Polymerization by Classical and Frustrated Lewis Pairs, by Eugene Y.-X. Chen

Frustrated Lewis Pairs Beyond the Main Group: Transition Metal-Containing Systems, by D. Wass

Reactions of Phosphine-Boranes and Related Frustrated Lewis Pairs with Transition Metal Complexes, by Abderrahmane Amgoune, Ghenwa Bouhadir, Didier Bourissou"

The Fundamentals of Electron Density, Density Matrix and Density Functional Theory in Atoms, Molecules and the Solid State... The Fundamentals of Electron Density, Density Matrix and Density Functional Theory in Atoms, Molecules and the Solid State (Hardcover, 2004 ed.)
N.I. Gidopoulos, Stephen Wilson
R5,454 Discovery Miles 54 540 Ships in 10 - 15 working days

This volume records the proceedings of a Forum attended by many leading researchers working in the field of Electron Density, Density Matrix and Density Functional Theory held at the Coseners' House, Abingdon-on-Thames, Oxfordshire, UK in early summer 2002.
It has long been recognized that "All the necessary information required for the energy and for calculating the properties of molecules is embodied in the first- and second-order density matrices." The wave function contains much more information than is required to yield the energy or other property. But the density matrices must correspond to some physically acceptable wave function. Coleman, one of the distinguished participants in the Forum, has dubbed this "Coulson's challenge." His paper describing recent work on the N-representability problem is included in this volume. McWeeny discusses some unsolved problems in density matrix theory and density functional theory; and Bader discusses the use of the electron density in explaining the structure and properties of atoms and molecules.
Density Functional Theory is widely used in studies of molecular and solid state systems. Yet the theoretical apparatus for this approach remains under active development. Theophilou describes a new formulation of density functional theory. Gross and his coworkers present a time-dependent theory for molecules in strong laser pulses. Nagy considers pair density functional theory, while Ludena and his colleagues examine functional N-representability in density matrix and density functional theory.
The meeting concluded with a Forum, ably chaired by B.T. Sutcliffe, in which the latest research and results were discussed. A record of thisForum is included in this volume.
This book will be of value to researchers and research students in theoretical chemistry and theoretical physics whose work involves the theoretical study of atoms, molecules and the solid state. It will be of interest to quantum chemists and solid state physicists, to materials scientists and applied mathematicians.

Far- and Deep-Ultraviolet Spectroscopy (Hardcover, 2015 ed.): Yukihiro Ozaki, Satoshi Kawata Far- and Deep-Ultraviolet Spectroscopy (Hardcover, 2015 ed.)
Yukihiro Ozaki, Satoshi Kawata
R3,149 R1,832 Discovery Miles 18 320 Save R1,317 (42%) Ships in 12 - 17 working days

This book is the first comprehensive work to be published on far-ultraviolet (FUV) and deep-ultraviolet (DUV) spectroscopy, subjects of keen interest because new areas of spectroscopy have been born in the FUV and DUV regions. For example, FUV spectroscopy in condensed matter has become possible due to the development of attenuated total reflection/FUV spectroscopy. As other examples, DUV surface-enhanced Raman scattering and DUV tip-enhanced Raman scattering have received great attention. Imaging by DUV spectroscopy has also become an area of interest. More recently, FUV and DUV spectroscopy have shown potential for applications in several fields including industry. All these topics are described in this book. Doctoral students and researchers in universities and national research institutes as well as researchers in various industries will find this volume highly useful.

Chemical Physics of Molecular Condensed Matter (Hardcover, 1st ed. 2020): Kazuya Saito Chemical Physics of Molecular Condensed Matter (Hardcover, 1st ed. 2020)
Kazuya Saito
R3,942 Discovery Miles 39 420 Ships in 12 - 17 working days

This book fills a gap in knowledge between chemistry- and physics-trained researchers about the properties of macroscopic (bulk) material. Although many good textbooks are available on solid-state (or condensed matter) physics, they generally treat simple systems such as simple metals and crystals consisting of atoms. On the other hand, textbooks on solid-state chemistry often avoid descriptions of theoretical background even at the simplest level. This book gives coherent descriptions from intermolecular interaction up to properties of condensed matter ranging from isotropic liquids to molecular crystals. By omitting details of specific systems for which comprehensive monographs are available-on liquid crystals and molecular conductors, for instance-this book highlights the effects of molecular properties, i.e., the presence of the shape and its deformation on the structure and properties of molecular systems.

Polyelectrolytes and Nanoparticles (Hardcover, 2007 ed.): Joachim Koetz, Sabine Kosmella Polyelectrolytes and Nanoparticles (Hardcover, 2007 ed.)
Joachim Koetz, Sabine Kosmella
R1,469 Discovery Miles 14 690 Ships in 10 - 15 working days

This lab manual guides chemists through demonstrations of synergistic effects between polyelectrolytes and nanoparticles. After a short introduction into the field of polyelectrolytes and polyelectrolyte characterization, the book discusses the role of polyelectrolytes in the process of nanoparticle formation. The book also explains methods for characterization of the polyelectrolyte-modified nanoparticles.

Modeling and Diagnostics of Polymer Electrolyte Fuel Cells (Hardcover, 2010 ed.): Ugur Pasaogullari, Chao-Yang Wang Modeling and Diagnostics of Polymer Electrolyte Fuel Cells (Hardcover, 2010 ed.)
Ugur Pasaogullari, Chao-Yang Wang
R4,264 Discovery Miles 42 640 Ships in 10 - 15 working days

Polymer electrolyte fuel cells (PEFCs) or proton exchange m- brane fuel cells (PEMFCs) have been suggested as alternatives to replace many existing energy conversion technologies, incl- inginternalcombustionenginesandbatteries.Themostsigni?cant advances in PEFC technology achieved in the last decade have occurredinareasrelatedtoautomotiveapplications,namelyco- start capabilities, enhanced durability and better understanding of watermanagementandmasstransportlosses. This volume of Modern Aspects of Electrochemistry is intendedtoprovideanoverviewofadvancementsinexperimental diagnosticsandmodelingofpolymerelectrolytefuelcells.Chapters byHuangandReifsniderandGuetal.provideanin-depthreview of the durability issues in PEFCs as well as recent developments in understanding and mitigation of degradation in the polymer membraneandelectrocatalyst. Enabling cold start, the startup of PEFC stacks from subzero temperatures, is a very important capability achieved only within thelastfewyears.TajiriandWangprovideatutorialoverviewofthe requirementsforcoldstart,andprovideasummaryofexperimental diagnosticsandcold-startmodelingstudies. Chapters 4-6 address speci?c diagnostic methods in PEFCs. Martin et al. provide a detailed review of methods for distributed diagnostics of species, temperature, and current in PEFCs in Chapter 4.In Chapter 5, Hussey and Jacobson describe the op- ationalprinciplesofneutronradiographyforin-situvisualizationof liquidwaterdistribution,andalsooutlineissuesrelatedtotemporal andspatialresolution.TsushimaandHiraidescribebothmagnetic resonance imaging (MRI) technique for visualization of water in PEFCsandtunablediodelaserabsorptionspectroscopy (TDLAS) formeasurementofwatervaporconcentrationinChapter6. Diffusionmedia(DM)areproneto?oodingwithliquidwater. AlthoughtheDMisanessentialcomponentofPEFCsthatenable distributionofspeciesandcollectionofcurrentandheat,littlewas knownaboutcapillarytransportinDMsuntilrecently.InChapters7 Gostick et al. provide a description of liquid water transport in porousDMduetocapillarityanddescribeexperimentaltechniques usedtocharacterizeDMproperties. v vi Preface The?naltwochaptersdiscussmodelingofPEFCs.Mukherjee and Wang provide an in-depth review of meso-scale modeling of two-phase transport, while Zhou et al. summarize both the s- ulation of electrochemical reactions on electrocatalysts and the transport of protons through the polymer electrolyte using at- isticsimulationtoolssuchasmoleculardynamicsandMonteCarlo techniques. Eachchapterinthevolumeisself-contained;thereforetheydo notneedtobereadinacertainorder. Special thanks are due to 23 authors who contributed to this volume.

Electrochemical Impedance Spectroscopy (Hardcover): Marwa El-Azazy, Mart Min, Paul Annus Electrochemical Impedance Spectroscopy (Hardcover)
Marwa El-Azazy, Mart Min, Paul Annus
R3,462 R3,234 Discovery Miles 32 340 Save R228 (7%) Ships in 10 - 15 working days
Viscosity of Liquids - Theory, Estimation, Experiment, and Data (Hardcover, 2007 ed.): Dabir S. Viswanath, Tushar K. Ghosh,... Viscosity of Liquids - Theory, Estimation, Experiment, and Data (Hardcover, 2007 ed.)
Dabir S. Viswanath, Tushar K. Ghosh, Dasika. H. L. Prasad, Nidamarty V. K. Dutt, Kalipatnapu Y Rani
R5,563 Discovery Miles 55 630 Ships in 10 - 15 working days

The need for properties is ever increasing to make processes more economical. A good survey of the viscosity data, its critical evaluation and correlation would help design engineers, scientists and technologists in their areas of interest. This type of work assumes more importance as the amount of experimental work in collection and correlation of properties such as viscosity, thermal conductivity, heat capacities, etc has reduced drastically both at the industry, universities, and national laboratories. One of the c o-authors, Professor Viswanath, co-authored a book jointly with Dr. Natarajan Data Book on the Viscosity of Liquids in 1989 which mainly presented collected and evaluated liquid viscosity data from the literature. Although it is one of its kinds in the field, Prof. Viswanath recognized that the design engineers, scientists and technologists should have a better understanding of theories, experimental procedures, and operational aspects of viscometers. Also, rarely the data are readily available at the conditions that are necessary for design of the equipment or for other calculations. Therefore, the data must be interpolated or extrapolated using the existing literature data and using appropriate correlations or models. We have tried to address these issues in this book."

Au-Catalyzed Synthesis and Functionalization of Heterocycles (Hardcover, 1st ed. 2016): Marco Bandini Au-Catalyzed Synthesis and Functionalization of Heterocycles (Hardcover, 1st ed. 2016)
Marco Bandini
R6,635 R6,260 Discovery Miles 62 600 Save R375 (6%) Ships in 12 - 17 working days

The series Topics in Heterocyclic Chemistry presents critical reviews on present and future trends in the research of heterocyclic compounds. Overall the scope is to cover topics dealing with all areas within heterocyclic chemistry, both experimental and theoretical, of interest to the general heterocyclic chemistry community. The series consists of topic related volumes edited by renowned editors with contributions of experts in the field. All chapters from Topics in Heterocyclic Chemistry are published Online First with an individual DOI. In references, Topics in Heterocyclic Chemistry is abbreviated as Top Heterocycl Chem and cited as a journal

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