Search Results for electro-diffusion-of-ions

In this book, electro-diffusion of ions in its different aspects is considered as a unified subject.

Author: Isaak Rubinstein

Publisher: SIAM

ISBN: 9780898712452

Category: Science

Page: 259

View: 162

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In this book, electro-diffusion of ions in its different aspects is considered as a unified subject.
1990-01-01 By Isaak Rubinstein

Ionic Carriers in Organic Electronic Materials and Devices Janelle Leger, Magnus Berggren, Sue Carter ... to such devices.84 As ion and small molecule diffusion are slow processes compared to electron tunneling and electronic transport, ...

Author: Janelle Leger

Publisher: CRC Press

ISBN: 1439806896

Category: Science

Page: 247

View: 127

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The field of organic electronics promises exciting new technologies based on inexpensive and mechanically flexible electronic devices, and is now seeing the beginning of commercial success. On the sidelines of this increasingly well-established field are several emerging technologies with innovative mechanisms and functions that utilize the mixed ionic/electronic conducting character of conjugated organic materials. Iontronics: Ionic Carriers in Organic Electronic Materials and Devices explores the potential of these materials, which can endow electronic devices with unique functionalities. Fundamental science and applications With contributions from a community of experts, the book focuses on the use of ionic functions to define the principle of operation in polymer devices. It begins by reviewing the scientific understanding and important scientific discoveries in the electrochemistry of conjugated polymers. It examines the known effects of ion incorporation, including the theory and modulation of electrochemistry in polymer films, and it explores the coupling of electronic and ionic transport in polymer films. The authors also describe applications that use this technology, including polymer electrochromic devices, artificial muscles, light-emitting electrochemical cells, and biosensors, and they discuss the fundamental technological hurdles in these areas. The changes in materials properties and device characteristics due to ionic conductivity and electrochemical doping in electrically conductive organic materials, as well as the importance of these processes in a number of different and exciting technologies, point to a large untapped potential in the development of new applications and novel device architecture. This volume captures the state of the science in this burgeoning field.
2016-04-19 By Janelle Leger

If a DC potential is applied to the system , both the mobile sodium and mobile chloride ions will take part in the ... be considerably reduced by the counter effects of electro - osmosis and osmosis , diffusion and co - ion transport .

Author: United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Irrigation and Reclamation

Publisher:

ISBN: UCAL:$B655124

Category: Saline water conversion

Page: 306

View: 529

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Committee Serial No. 7. Considers H.R. 7092, to extend funding and development of saline water conversion program, including use of steam heat from nuclear power plants to distill seawater.

If a DC potential is applied to the system , both the mobile sodium and mobile chloride ions will take part in the ... be considerably reduced by the counter effects of electro - osmosis and osmosis , diffusion and co - ion transport .

Author: United States. Congress. House. Committee on Interior and Insular Affairs

Publisher:

ISBN: UOM:39015038807270

Category:

Page:

View: 339

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Nadler B, Schuss Z, Singer A, Eisenberg RS (2004) Ionic diffusion through confined geometries: from Langevin equations to partial differential equations. ... Rubinstein I (1990) Electro-diffusion of ions. SIAM, Philadelphia 73.

Author: Yongjie (Jessica) Zhang

Publisher: Springer Science & Business Media

ISBN: 9789400742550

Category: Technology & Engineering

Page: 301

View: 935

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As a new interdisciplinary research area, “image-based geometric modeling and mesh generation” integrates image processing, geometric modeling and mesh generation with finite element method (FEM) to solve problems in computational biomedicine, materials sciences and engineering. It is well known that FEM is currently well-developed and efficient, but mesh generation for complex geometries (e.g., the human body) still takes about 80% of the total analysis time and is the major obstacle to reduce the total computation time. It is mainly because none of the traditional approaches is sufficient to effectively construct finite element meshes for arbitrarily complicated domains, and generally a great deal of manual interaction is involved in mesh generation. This contributed volume, the first for such an interdisciplinary topic, collects the latest research by experts in this area. These papers cover a broad range of topics, including medical imaging, image alignment and segmentation, image-to-mesh conversion, quality improvement, mesh warping, heterogeneous materials, biomodelcular modeling and simulation, as well as medical and engineering applications. This contributed volume, the first for such an interdisciplinary topic, collects the latest research by experts in this area. These papers cover a broad range of topics, including medical imaging, image alignment and segmentation, image-to-mesh conversion, quality improvement, mesh warping, heterogeneous materials, biomodelcular modeling and simulation, as well as medical and engineering applications. This contributed volume, the first for such an interdisciplinary topic, collects the latest research by experts in this area. These papers cover a broad range of topics, including medical imaging, image alignment and segmentation, image-to-mesh conversion, quality improvement, mesh warping, heterogeneous materials, biomodelcular modeling and simulation, as well as medical and engineering applications. This contributed volume, the first for such an interdisciplinary topic, collects the latest research by experts in this area. These papers cover a broad range of topics, including medical imaging, image alignment and segmentation, image-to-mesh conversion, quality improvement, mesh warping, heterogeneous materials, biomodelcular modeling and simulation, as well as medical and engineering applications.
2012-07-03 By Yongjie (Jessica) Zhang

In this scheme the counterion is larger than the co-ion. Donnan enhancement Counterion convection Convection enhancement Steric reduction Counterion electromigration High mobility reduction Counterion diffusion High diffusion reduction ...

Author: Andrea Iris Schäfer

Publisher: John Wiley & Sons

ISBN: 9783527824977

Category: Science

Page: 1264

View: 466

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An updated guide to the growing field of nanofiltration including fundamental principles, important industrial applications as well as novel materials With contributions from an international panel of experts, the revised second edition of Nanofiltration contains a comprehensive overview of this growing field. The book covers the basic principles of nanofiltration including the design and characterizations of nanofiltration membranes. The expert contributors highlight the broad ranges of industrial applications including water treatment, food, pulp and paper, and textiles. The book explores photocatalytic nanofiltration reactors, organic solvent nanofiltration, as well as nanofiltration in metal and acid recovery. In addition, information on the most recent developments in the field are examined including nanofiltration retentate treatment and renewable energy-powered nanofiltration. The authors also consider the future of nanofiltration materials such as carbon- as well as polymer-based materials. This important book: Explores the fast growing field of the membrane process of nanofiltration Examines the rapidly expanding industrial sector's use of membranes for water purification Covers the most important industrial applications with a strong focus on water treatment Contains a section on new membrane materials, including carbon-based and polymer-based materials, as well as information on artificial ion and water channels as biomimetic membranes Written for scientists and engineers in the fields of chemistry, environment, food and materials, the second edition of Nanofiltration provides a comprehensive overview of the field, outlines the principles of the technology, explores the industrial applications, and discusses new materials.
2021-07-07 By Andrea Iris Schäfer

It is here that diffusion comes into the picture; the removal of ions by the charge-transfer reactions causes a depletion of these ions near the electrode, and the resulting concentration gradient provokes a diffusion of ions toward the ...

Author: John O'M. Bockris

Publisher: Springer Science & Business Media

ISBN: 9780306455544

Category: Science

Page: 814

View: 901

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This book had its nucleus in some lectures given by one of us (J. O’M. B. ) in a course on electrochemistry to students of energy conversion at the University of Pennsyl- nia. It was there that he met a number of people trained in chemistry, physics, biology, metallurgy, and materials science, all of whom wanted to know something about electrochemistry. The concept of writing a book about electrochemistry which could be understood by people with very varied backgrounds was thereby engendered. The lectures were recorded and written up by Dr. Klaus Muller as a 293-page manuscript. At a later stage, A. K. N. R. joined the effort; it was decided to make a fresh start and to write a much more comprehensive text. Of methods for direct energy conversion, the electrochemical one is the most advanced and seems the most likely to become of considerable practical importance. Thus, conversion to electrochemically powered transportation systems appears to be an important step by means of which the difficulties of air pollution and the effects of an increasing concentration in the atmosphere of carbon dioxide may be met. Cor- sion is recognized as having an electrochemical basis. The synthesis of nylon now contains an important electrochemical stage. Some central biological mechanisms have been shown to take place by means of electrochemical reactions. A number of American organizations have recently recommended greatly increased activity in training and research in electrochemistry at universities in the United States.
1998-06-30 By John O'M. Bockris

If the rate of ionic or electronic diffusion or ionic insertion depends upon the electric ... such that TITM × 0.6, the incoherent crystalline boundaries and line defects set up short-circuit diffusion of ions through the thin scale, ...

Author: César A. C. Sequeira

Publisher: John Wiley & Sons

ISBN: 9781119474425

Category: Science

Page: 656

View: 670

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Reviews the science and engineering of high-temperature corrosion and provides guidelines for selecting the best materials for an array of system processes High-temperature corrosion (HTC) is a widespread problem in an array of industries, including power generation, aerospace, automotive, and mineral and chemical processing, to name a few. This book provides engineers, physicists, and chemists with a balanced presentation of all relevant basic science and engineering aspects of high-temperature corrosion. It covers most HTC types, including oxidation, sulfidation, nitridation, molten salts, fuel-ash corrosion, H2S/H2 corrosion, molten fluoride/HF corrosion, and carburization. It also provides corrosion data essential for making the appropriate choices of candidate materials for high-temperature service in process conditions. A form of corrosion that does not require the presence of liquids, high-temperature corrosion occurs due to the interaction at high temperatures of gases, liquids, or solids with materials. HTC is a subject is of increasing importance in many areas of science and engineering, and students, researchers, and engineers need to be aware of the nature of the processes that occur in high-temperature materials and equipment in common use today, especially in the chemical, gas, petroleum, electric power, metal manufacturing, automotive, and nuclear industries. Provides engineers and scientists with the essential data needed to make the most informed decisions on materials selection Includes up-to-date information accompanied by more than 1,000 references, 80% of which from within the past fifteen years Includes details on systems of critical engineering importance, especially the corrosion induced by low-energy radionuclides Includes practical guidelines for testing and research in HTC, along with both the European and International Standards for high-temperature corrosion engineering Offering balanced, in-depth coverage of the fundamental science behind and engineering of HTC, High Temperature Corrosion: Fundamentals and Engineering is a valuable resource for academic researchers, students, and professionals in the material sciences, solid state physics, solid state chemistry, electrochemistry, metallurgy, and mechanical, chemical, and structural engineers.
2018-12-14 By César A. C. Sequeira

membrane, and that each ion moves independently of every other ion. The ions would then move in the channel as if they were in free solution. We can call this approach the independent electro diffusion model. It originated in the 1940s ...

Author: Osmo Otto Paivio Hanninen; Mustafa Atalay; B.P. Mansourian; A. Wojtezak; S.M. Mahfouz; Harry Majewski; Elaine Elisabetsky; Nina L. Etkin; Ralph Kirby; T.G. Downing and M.I. El Gohary

Publisher: EOLSS Publications

ISBN: 9781848264137

Category:

Page: 466

View: 759

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Medical and Health Sciences is a component of Encyclopedia of Biological, Physiological and Health Sciences in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. These volume set contains several chapters, each of size 5000-30000 words, with perspectives, applications and extensive illustrations. It carries state-of-the-art knowledge in the fields of Medical and Health Sciences and is aimed, by virtue of the several applications, at the following five major target audiences: University and College Students, Educators, Professional Practitioners, Research Personnel and Policy Analysts, Managers, and Decision Makers and NGOs.

The major influences on electro - migration during electro - remediation are field strength ( as for electro - osmosis ) , ionic concentration , and charge of ionic species present . Electro - osmotic flow rates through soil can be ...

Author: Ottis E. Bronze

Publisher: Nova Publishers

ISBN: 1600214126

Category: Nature

Page: 175

View: 746

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Hazardous waste is a waste with properties that make it dangerous or potentially harmful to human health or the environment. Hazardous waste generally exhibits one or more of these characteristics: ignitability, corrosivity, reactivity or toxicity. The universe of hazardous wastes is large and diverse. Hazardous wastes can be liquids, solids, contained gases, or sludges. They can be the by-products of manufacturing processes or simply discarded commercial products, like cleaning fluids or pesticides. One major type is radioactive waste. This new book brings together the latest research in this diverse field.
2006 By Ottis E. Bronze