Author: Eric M. V. Hoek
Publisher: Wiley
ISBN: 9780470906873
Category : Science
Languages : en
Pages : 0
Book Description
Foreword by Professor Menachem Elimelech, Yale University, USA This 3-volume thematic work provides critical assessment of the status and advancements in materials and fabrication of membranes, membrane based processes, and applications critical to industrial applications and research from fundamental and practical levels. The Encyclopedia of Membrane Science and Technology binds together the history of synthetic membranes, as well as state-of-the-art findings of younger and experienced membrane researchers from over 25 countries. This comprehensive publication considers the fast growing interest in synthetic membranes and their many applications, including drinking water purification, gas separations, food technology, biotechnology, drug delivery devices, rechargeable batteries and fuel cells. An essential reference in this fast growing area of synthetic membranes and their many applications Provides useful descriptions of membrane materials and processes, with a focus on environmentally friendly approaches Global contributions, including many from the younger generation of membrane researchers, who give the work a valuable and fresh outlook The Encyclopedia of Membrane Science and Technology provides valuable insight on the latest developments, such as Membrane separation and transport; Materials, characterization, and module design; Fundamentals of membrane separation processes; Applications of membrane technology in various industries; A collection of reference information on all aspects of science and technology The Encyclopedia of Membrane Science and Technology covers the following topics: Solution-Diffusion Processes Ultra-, Micro-, and Nanofiltration Processes Gas Transport Membranes Fouling in Membrane Bioreactors Micro-Engineered Membranes Porosity Surface Modifications of Membranes Inorganic Membranes Carbon Membranes Membrane Characterization Dynamic Crossflow Filtration Multiple Osmosis Processes Membrane Electrolysis Natural Gas Purification Catalytic Membrane Reactors Seawater Desalination Applications of Membranes in Biotechnology Applications to Wastewater Treatment and Reuse Polymer Membranes for Fuel Cells Food Industry Applications Polymeric Membranes for Energy Applications Applications in Nuclear Waste Processing Enantioselective Membranes 3 Volumes wileyonlinelibrary.com/ref/emst Online Version: Visit wileyonlinelibrary.com to see the topics currently available, browse article abstracts and read sample articles. To set up a FREE trial, please contact your local agent, your Wiley Account Manager, or email [email protected]
Encyclopedia of Membrane Science and Technology, 3 Volume Set
Author: Eric M. V. Hoek
Publisher: Wiley
ISBN: 9780470906873
Category : Science
Languages : en
Pages : 0
Book Description
Foreword by Professor Menachem Elimelech, Yale University, USA This 3-volume thematic work provides critical assessment of the status and advancements in materials and fabrication of membranes, membrane based processes, and applications critical to industrial applications and research from fundamental and practical levels. The Encyclopedia of Membrane Science and Technology binds together the history of synthetic membranes, as well as state-of-the-art findings of younger and experienced membrane researchers from over 25 countries. This comprehensive publication considers the fast growing interest in synthetic membranes and their many applications, including drinking water purification, gas separations, food technology, biotechnology, drug delivery devices, rechargeable batteries and fuel cells. An essential reference in this fast growing area of synthetic membranes and their many applications Provides useful descriptions of membrane materials and processes, with a focus on environmentally friendly approaches Global contributions, including many from the younger generation of membrane researchers, who give the work a valuable and fresh outlook The Encyclopedia of Membrane Science and Technology provides valuable insight on the latest developments, such as Membrane separation and transport; Materials, characterization, and module design; Fundamentals of membrane separation processes; Applications of membrane technology in various industries; A collection of reference information on all aspects of science and technology The Encyclopedia of Membrane Science and Technology covers the following topics: Solution-Diffusion Processes Ultra-, Micro-, and Nanofiltration Processes Gas Transport Membranes Fouling in Membrane Bioreactors Micro-Engineered Membranes Porosity Surface Modifications of Membranes Inorganic Membranes Carbon Membranes Membrane Characterization Dynamic Crossflow Filtration Multiple Osmosis Processes Membrane Electrolysis Natural Gas Purification Catalytic Membrane Reactors Seawater Desalination Applications of Membranes in Biotechnology Applications to Wastewater Treatment and Reuse Polymer Membranes for Fuel Cells Food Industry Applications Polymeric Membranes for Energy Applications Applications in Nuclear Waste Processing Enantioselective Membranes 3 Volumes wileyonlinelibrary.com/ref/emst Online Version: Visit wileyonlinelibrary.com to see the topics currently available, browse article abstracts and read sample articles. To set up a FREE trial, please contact your local agent, your Wiley Account Manager, or email [email protected]
Publisher: Wiley
ISBN: 9780470906873
Category : Science
Languages : en
Pages : 0
Book Description
Foreword by Professor Menachem Elimelech, Yale University, USA This 3-volume thematic work provides critical assessment of the status and advancements in materials and fabrication of membranes, membrane based processes, and applications critical to industrial applications and research from fundamental and practical levels. The Encyclopedia of Membrane Science and Technology binds together the history of synthetic membranes, as well as state-of-the-art findings of younger and experienced membrane researchers from over 25 countries. This comprehensive publication considers the fast growing interest in synthetic membranes and their many applications, including drinking water purification, gas separations, food technology, biotechnology, drug delivery devices, rechargeable batteries and fuel cells. An essential reference in this fast growing area of synthetic membranes and their many applications Provides useful descriptions of membrane materials and processes, with a focus on environmentally friendly approaches Global contributions, including many from the younger generation of membrane researchers, who give the work a valuable and fresh outlook The Encyclopedia of Membrane Science and Technology provides valuable insight on the latest developments, such as Membrane separation and transport; Materials, characterization, and module design; Fundamentals of membrane separation processes; Applications of membrane technology in various industries; A collection of reference information on all aspects of science and technology The Encyclopedia of Membrane Science and Technology covers the following topics: Solution-Diffusion Processes Ultra-, Micro-, and Nanofiltration Processes Gas Transport Membranes Fouling in Membrane Bioreactors Micro-Engineered Membranes Porosity Surface Modifications of Membranes Inorganic Membranes Carbon Membranes Membrane Characterization Dynamic Crossflow Filtration Multiple Osmosis Processes Membrane Electrolysis Natural Gas Purification Catalytic Membrane Reactors Seawater Desalination Applications of Membranes in Biotechnology Applications to Wastewater Treatment and Reuse Polymer Membranes for Fuel Cells Food Industry Applications Polymeric Membranes for Energy Applications Applications in Nuclear Waste Processing Enantioselective Membranes 3 Volumes wileyonlinelibrary.com/ref/emst Online Version: Visit wileyonlinelibrary.com to see the topics currently available, browse article abstracts and read sample articles. To set up a FREE trial, please contact your local agent, your Wiley Account Manager, or email [email protected]
Encyclopedia of Membranes
Author: Enrico Drioli
Publisher: Springer
ISBN: 9783662443231
Category : Technology & Engineering
Languages : en
Pages : 1100
Book Description
A landmark work covering the major aspects of the science, technology and application of membrane operations and related fields, from basic phenomena to the most advanced applications and future perspectives. Over 1500 concise entries in an A-Z format cover a vibrant field with a multitude of applications in diverse disciplines such as biotechnology, medicine, agro-food and petrochemical industries, environmental protection, as well as drinking water supply. Coverage includes membrane reactors and catalytic design (catalytic membrane reactors). Practically all unit operations of process engineering can be redesigned as membrane unit operations (e. g. membrane distillation, membrane crystallization, membrane stripping, membrane scrubbing). Entries are provided by an international team of experts from academia, research institutions as well as from industry.
Publisher: Springer
ISBN: 9783662443231
Category : Technology & Engineering
Languages : en
Pages : 1100
Book Description
A landmark work covering the major aspects of the science, technology and application of membrane operations and related fields, from basic phenomena to the most advanced applications and future perspectives. Over 1500 concise entries in an A-Z format cover a vibrant field with a multitude of applications in diverse disciplines such as biotechnology, medicine, agro-food and petrochemical industries, environmental protection, as well as drinking water supply. Coverage includes membrane reactors and catalytic design (catalytic membrane reactors). Practically all unit operations of process engineering can be redesigned as membrane unit operations (e. g. membrane distillation, membrane crystallization, membrane stripping, membrane scrubbing). Entries are provided by an international team of experts from academia, research institutions as well as from industry.
Encyclopedia of Information Science and Technology
Author: Mehdi Khosrow-Pour
Publisher: IGI Global Snippet
ISBN: 9781605660264
Category : Computers
Languages : en
Pages : 4292
Book Description
"This set of books represents a detailed compendium of authoritative, research-based entries that define the contemporary state of knowledge on technology"--Provided by publisher.
Publisher: IGI Global Snippet
ISBN: 9781605660264
Category : Computers
Languages : en
Pages : 4292
Book Description
"This set of books represents a detailed compendium of authoritative, research-based entries that define the contemporary state of knowledge on technology"--Provided by publisher.
Comprehensive Membrane Science and Engineering
Author: Enrico Drioli
Publisher: Newnes
ISBN: 0080932509
Category : Technology & Engineering
Languages : en
Pages : 1528
Book Description
Comprehensive Membrane Science and Engineering, Four Volume Set covers all aspects of membrane science and technology - from basic phenomena to the most advanced applications and future perspectives. Modern membrane engineering is critical to the development of process-intensification strategies and to the stimulation of industrial growth. The work presents researchers and industrial managers with an indispensable tool toward achieving these aims. Covers membrane science theory and economics, as well as applications ranging from chemical purification and natural gas enrichment to potable water Includes contributions and case studies from internationally recognized experts and from up-and-coming researchers working in this multi-billion dollar field Takes a unique, multidisciplinary approach that stimulates research in hybrid technologies for current (and future) life-saving applications (artificial organs, drug delivery)
Publisher: Newnes
ISBN: 0080932509
Category : Technology & Engineering
Languages : en
Pages : 1528
Book Description
Comprehensive Membrane Science and Engineering, Four Volume Set covers all aspects of membrane science and technology - from basic phenomena to the most advanced applications and future perspectives. Modern membrane engineering is critical to the development of process-intensification strategies and to the stimulation of industrial growth. The work presents researchers and industrial managers with an indispensable tool toward achieving these aims. Covers membrane science theory and economics, as well as applications ranging from chemical purification and natural gas enrichment to potable water Includes contributions and case studies from internationally recognized experts and from up-and-coming researchers working in this multi-billion dollar field Takes a unique, multidisciplinary approach that stimulates research in hybrid technologies for current (and future) life-saving applications (artificial organs, drug delivery)
Encyclopedia of Polymer Applications, 3 Volume Set
Author: Munmaya Mishra
Publisher: CRC Press
ISBN: 1351019406
Category : Science
Languages : en
Pages : 6410
Book Description
Undoubtedly the applications of polymers are rapidly evolving. Technology is continually changing and quickly advancing as polymers are needed to solve a variety of day-to-day challenges leading to improvements in quality of life. The Encyclopedia of Polymer Applications presents state-of-the-art research and development on the applications of polymers. This groundbreaking work provides important overviews to help stimulate further advancements in all areas of polymers. This comprehensive multi-volume reference includes articles contributed from a diverse and global team of renowned researchers. It offers a broad-based perspective on a multitude of topics in a variety of applications, as well as detailed research information, figures, tables, illustrations, and references. The encyclopedia provides introductions, classifications, properties, selection, types, technologies, shelf-life, recycling, testing and applications for each of the entries where applicable. It features critical content for both novices and experts including, engineers, scientists (polymer scientists, materials scientists, biomedical engineers, macromolecular chemists), researchers, and students, as well as interested readers in academia, industry, and research institutions.
Publisher: CRC Press
ISBN: 1351019406
Category : Science
Languages : en
Pages : 6410
Book Description
Undoubtedly the applications of polymers are rapidly evolving. Technology is continually changing and quickly advancing as polymers are needed to solve a variety of day-to-day challenges leading to improvements in quality of life. The Encyclopedia of Polymer Applications presents state-of-the-art research and development on the applications of polymers. This groundbreaking work provides important overviews to help stimulate further advancements in all areas of polymers. This comprehensive multi-volume reference includes articles contributed from a diverse and global team of renowned researchers. It offers a broad-based perspective on a multitude of topics in a variety of applications, as well as detailed research information, figures, tables, illustrations, and references. The encyclopedia provides introductions, classifications, properties, selection, types, technologies, shelf-life, recycling, testing and applications for each of the entries where applicable. It features critical content for both novices and experts including, engineers, scientists (polymer scientists, materials scientists, biomedical engineers, macromolecular chemists), researchers, and students, as well as interested readers in academia, industry, and research institutions.
Encyclopedia of Sustainability Science and Technology
Author: Robert A. Meyers
Publisher: Springer
ISBN: 9780387894690
Category : Science
Languages : en
Pages : 12555
Book Description
The Encyclopedia of Sustainability Science and Technology (ESST) addresses the grand challenge for science and engineering today. It provides unprecedented, peer-reviewed coverage in more than 550 separate entries comprising 38 topical sections. ESST establishes a foundation for the many sustainability and policy evaluations being performed in institutions worldwide. An indispensable resource for scientists and engineers in developing new technologies and for applying existing technologies to sustainability, the Encyclopedia of Sustainability Science and Technology is presented at the university and professional level needed for scientists, engineers, and their students to support real progress in sustainability science and technology. Although the emphasis is on science and technology rather than policy, the Encyclopedia of Sustainability Science and Technology is also a comprehensive and authoritative resource for policy makers who want to understand the scope of research and development and how these bottom-up innovations map on to the sustainability challenge.
Publisher: Springer
ISBN: 9780387894690
Category : Science
Languages : en
Pages : 12555
Book Description
The Encyclopedia of Sustainability Science and Technology (ESST) addresses the grand challenge for science and engineering today. It provides unprecedented, peer-reviewed coverage in more than 550 separate entries comprising 38 topical sections. ESST establishes a foundation for the many sustainability and policy evaluations being performed in institutions worldwide. An indispensable resource for scientists and engineers in developing new technologies and for applying existing technologies to sustainability, the Encyclopedia of Sustainability Science and Technology is presented at the university and professional level needed for scientists, engineers, and their students to support real progress in sustainability science and technology. Although the emphasis is on science and technology rather than policy, the Encyclopedia of Sustainability Science and Technology is also a comprehensive and authoritative resource for policy makers who want to understand the scope of research and development and how these bottom-up innovations map on to the sustainability challenge.
Encyclopedia of Toxicology
Author: Bruce Anderson
Publisher: Elsevier
ISBN: 0080548008
Category : Medical
Languages : en
Pages : 6651
Book Description
The second edition of the Encyclopedia of Toxicology continues its comprehensive survey of toxicology. This new edition continues to present entries devoted to key concepts and specific chemicals. There has been an increase in entries devoted to international organizations and well-known toxic-related incidents such as Love Canal and Chernobyl. Along with the traditional scientifically based entries, new articles focus on the societal implications of toxicological knowledge including environmental crimes, chemical and biological warfare in ancient times, and a history of the U.S. environmental movement. With more than 1150 entries, this second edition has been expanded in length, breadth and depth, and provides an extensive overview of the many facets of toxicology. Also available online via ScienceDirect – featuring extensive browsing, searching, and internal cross-referencing between articles in the work, plus dynamic linking to journal articles and abstract databases, making navigation flexible and easy. For more information, pricing options and availability visit www.info.sciencedirect.com. *Second edition has been expanded to 4 volumes *Encyclopedic A-Z arrangement of chemicals and all core areas of the science of toxicology *Covers related areas such as organizations, toxic accidents, historical and social issues, and laws *New topics covered include computational toxicology, cancer potency factors, chemical accidents, non-lethal chemical weapons, drugs of abuse, and consumer products and many more!
Publisher: Elsevier
ISBN: 0080548008
Category : Medical
Languages : en
Pages : 6651
Book Description
The second edition of the Encyclopedia of Toxicology continues its comprehensive survey of toxicology. This new edition continues to present entries devoted to key concepts and specific chemicals. There has been an increase in entries devoted to international organizations and well-known toxic-related incidents such as Love Canal and Chernobyl. Along with the traditional scientifically based entries, new articles focus on the societal implications of toxicological knowledge including environmental crimes, chemical and biological warfare in ancient times, and a history of the U.S. environmental movement. With more than 1150 entries, this second edition has been expanded in length, breadth and depth, and provides an extensive overview of the many facets of toxicology. Also available online via ScienceDirect – featuring extensive browsing, searching, and internal cross-referencing between articles in the work, plus dynamic linking to journal articles and abstract databases, making navigation flexible and easy. For more information, pricing options and availability visit www.info.sciencedirect.com. *Second edition has been expanded to 4 volumes *Encyclopedic A-Z arrangement of chemicals and all core areas of the science of toxicology *Covers related areas such as organizations, toxic accidents, historical and social issues, and laws *New topics covered include computational toxicology, cancer potency factors, chemical accidents, non-lethal chemical weapons, drugs of abuse, and consumer products and many more!
Encyclopedia of Electrochemistry Research
Author: Jonathan R. Coleman
Publisher:
ISBN: 9781614700968
Category : Electrochemistry
Languages : en
Pages : 0
Book Description
This book presents current research in the field of electrochemistry. Topics discussed include advanced materials for wet electrochemical detection of organic impurities; electrochemical applications of modified electrodes in waste water treatment and energy conversion systems; electrochemical hydrogen storage; application of high temperature electrolysis for large-scale hydrogen production; electrolysis of nitrate aqueous solution; electrocoagulation and electroflotation; and, voltage stabilisation using a storage capacitor and physical and electrochemical properties of quaternary ammonium salts.
Publisher:
ISBN: 9781614700968
Category : Electrochemistry
Languages : en
Pages : 0
Book Description
This book presents current research in the field of electrochemistry. Topics discussed include advanced materials for wet electrochemical detection of organic impurities; electrochemical applications of modified electrodes in waste water treatment and energy conversion systems; electrochemical hydrogen storage; application of high temperature electrolysis for large-scale hydrogen production; electrolysis of nitrate aqueous solution; electrocoagulation and electroflotation; and, voltage stabilisation using a storage capacitor and physical and electrochemical properties of quaternary ammonium salts.
Clean Energy and Resource Recovery
Author: Vinay Kumar Tyagi
Publisher: Elsevier
ISBN: 0323901794
Category : Science
Languages : en
Pages : 484
Book Description
Clean Energy and Resource Recovery: Wastewater Treatment Plants as Bio-refineries, Volume 2, summarizes the fundamentals of various treatment modes applied to the recovery of energy and value-added products from wastewater treatment plants. The book addresses the production of biofuel, heat, and electricity, chemicals, feed, and other products from municipal wastewater, industrial wastewater, and sludge. It intends to provide the readers an account of up-to-date information on the recovery of biofuels and other value-added products using conventional and advanced technological developments. The book starts with identifying the key problems of the sectors and then provides solutions to them with step-by-step guidance on the implementation of processes and procedures. Titles compiled in this book further explore related issues like the safe disposal of leftovers, from a local to global scale. Finally, the book sheds light on how wastewater treatment facilities reduce stress on energy systems, decrease air and water pollution, build resiliency, and drive local economic activity.As a compliment to Volume 1: Biomass Waste Based Biorefineries, Clean Energy and Resource Recovery, Volume 2: Wastewater Treatment Plants as Bio-refineries is a comprehensive reference on all aspects of energy and resource recovery from wastewater. The book is going to be a handy reference tool for energy researchers, environmental scientists, and civil, chemical, and municipal engineers interested in waste-to-energy. - Offers a comprehensive overview of the fundamental treatments and methods used in the recovery of energy and value-added products from wastewater - Identifies solutions to key problems related to wastewater to energy/resource recovery through conventional and advanced technologies and explore the alternatives - Provides step-by-step guidance on procedures and calculations from practical field data - Includes successful case studies from both developing and developed countries
Publisher: Elsevier
ISBN: 0323901794
Category : Science
Languages : en
Pages : 484
Book Description
Clean Energy and Resource Recovery: Wastewater Treatment Plants as Bio-refineries, Volume 2, summarizes the fundamentals of various treatment modes applied to the recovery of energy and value-added products from wastewater treatment plants. The book addresses the production of biofuel, heat, and electricity, chemicals, feed, and other products from municipal wastewater, industrial wastewater, and sludge. It intends to provide the readers an account of up-to-date information on the recovery of biofuels and other value-added products using conventional and advanced technological developments. The book starts with identifying the key problems of the sectors and then provides solutions to them with step-by-step guidance on the implementation of processes and procedures. Titles compiled in this book further explore related issues like the safe disposal of leftovers, from a local to global scale. Finally, the book sheds light on how wastewater treatment facilities reduce stress on energy systems, decrease air and water pollution, build resiliency, and drive local economic activity.As a compliment to Volume 1: Biomass Waste Based Biorefineries, Clean Energy and Resource Recovery, Volume 2: Wastewater Treatment Plants as Bio-refineries is a comprehensive reference on all aspects of energy and resource recovery from wastewater. The book is going to be a handy reference tool for energy researchers, environmental scientists, and civil, chemical, and municipal engineers interested in waste-to-energy. - Offers a comprehensive overview of the fundamental treatments and methods used in the recovery of energy and value-added products from wastewater - Identifies solutions to key problems related to wastewater to energy/resource recovery through conventional and advanced technologies and explore the alternatives - Provides step-by-step guidance on procedures and calculations from practical field data - Includes successful case studies from both developing and developed countries
MEMBRANE PROCESSES - Volume I
Author:
Publisher: EOLSS Publications
ISBN: 1848264275
Category :
Languages : en
Pages : 404
Book Description
Membrane Processes is a component of Encyclopedia of Water Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. These volumes discuss matters of great relevance to our world on desalination which is a critically important as clearly the only possible means of producing fresh water from the sea for many parts of the world. The two volumes present state-of-the art subject matter of various aspects of Membrane Processes such as: History And Current Status Of Membrane Desalination Processes; Membrane Science And Reclamation; Membrane Characterization; Principles And Practices Of Reverse Osmosis; Reverse Osmosis: Introduction; Hollow-Fiber Membranes; Preparation And Characterization Of Ionexchange Membranes; Preparation And Characterization Of Micro- And Ultrafiltration Membranes; Membrane Distillation; Desalination By Membrane Distillation; Pervaporation;Dialysis And Diffusion Dialysis; Donnan Dialysis; Modeling And Calculation Of Pressure-Driven Membrane Processes; Survey Of Theoretical Approaches To Modeling; Pressure-Driven Membrane. Processes(Submodels For Transport In Phases); Reverse Osmosis Process And System Design; Practical Aspects Of Large-Scale Reverse Osmosis Applications; Health, Safety And Environmental Considerations; Membrane Separation Technologies; Concentration Of Liquid Foods; Mass Transfer Operation–Membrane Separations; Mass Transfer Operations: Hybrid Membrane Processes; Recent Advances In Membrane Science And Technology In Seawater Desalination – With Technology Development In The Middle East And Singapore. These volumes are aimed at the following five major target audiences: University and College Students Educators, Professional Practitioners, Research Personnel and Policy and Decision Makers
Publisher: EOLSS Publications
ISBN: 1848264275
Category :
Languages : en
Pages : 404
Book Description
Membrane Processes is a component of Encyclopedia of Water Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. These volumes discuss matters of great relevance to our world on desalination which is a critically important as clearly the only possible means of producing fresh water from the sea for many parts of the world. The two volumes present state-of-the art subject matter of various aspects of Membrane Processes such as: History And Current Status Of Membrane Desalination Processes; Membrane Science And Reclamation; Membrane Characterization; Principles And Practices Of Reverse Osmosis; Reverse Osmosis: Introduction; Hollow-Fiber Membranes; Preparation And Characterization Of Ionexchange Membranes; Preparation And Characterization Of Micro- And Ultrafiltration Membranes; Membrane Distillation; Desalination By Membrane Distillation; Pervaporation;Dialysis And Diffusion Dialysis; Donnan Dialysis; Modeling And Calculation Of Pressure-Driven Membrane Processes; Survey Of Theoretical Approaches To Modeling; Pressure-Driven Membrane. Processes(Submodels For Transport In Phases); Reverse Osmosis Process And System Design; Practical Aspects Of Large-Scale Reverse Osmosis Applications; Health, Safety And Environmental Considerations; Membrane Separation Technologies; Concentration Of Liquid Foods; Mass Transfer Operation–Membrane Separations; Mass Transfer Operations: Hybrid Membrane Processes; Recent Advances In Membrane Science And Technology In Seawater Desalination – With Technology Development In The Middle East And Singapore. These volumes are aimed at the following five major target audiences: University and College Students Educators, Professional Practitioners, Research Personnel and Policy and Decision Makers