Harvesting Development
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Harvesting Development
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Author : Karl Benediktsson
language : en
Publisher: NIAS Press
Release Date : 2002
Harvesting Development written by Karl Benediktsson and has been published by NIAS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Business & Economics categories.
This work addresses the global-local tension evident in much work on development issues, through the example of fresh food markets in Papua New Guinea. A key feature of the book is the author's interweaving of theoretical constructs with a detailed ethnography of marketing networks, at the rural village and the urban market-place, as well as in the spaces in between. It shows the rural community not as an isolated universe, but as consisting of dynamic linkages and networks which extend way beyond the locality. At the same time, local actors with their own agendas and interpretations of the meta-narrative of development are shown to be crucially important for shaping the outcome of the market integration process.
Aquatic Plant Harvesting
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Author :
language : en
Publisher:
Release Date : 1975
Aquatic Plant Harvesting written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Aquatic plants categories.
Water Harvesting Guidelines To Good Practice
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Author : Rima Mekdaschi Studer
language : en
Publisher:
Release Date : 2013
Water Harvesting Guidelines To Good Practice written by Rima Mekdaschi Studer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Rechargeable Sensor Networks Technology Theory And Application
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Author : Jiming Chen
language : en
Publisher: World Scientific
Release Date : 2014-01-28
Rechargeable Sensor Networks Technology Theory And Application written by Jiming Chen and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-28 with Technology & Engineering categories.
The harvesting of energy from ambient energy sources to power electronic devices has been recognized as a promising solution to the issue of powering the ever-growing number of mobile devices around us. Key technologies in the rapidly growing field of energy harvesting focus on developing solutions to capture ambient energy surrounding the mobile devices and convert it into usable electrical energy for the purpose of recharging said devices. Achieving a sustainable network lifetime via battery-aware designs brings forth a new frontier for energy optimization techniques. These techniques had, in their early stages, resulted in the development of low-power hardware designs. Today, they have evolved into power-aware designs and even battery-aware designs. This book covers recent results in the field of rechargeable sensor networks, including technologies and protocol designs to enable harvesting energy from alternative energy sources such as vibrations, temperature variations, wind, solar, and biochemical energy and passive human power. Contents:Wind Energy Harvesting for Recharging Wireless Sensor Nodes: Brief Review and a Case Study (Yen Kheng Tan, Dibin Zhu and Steve Beeby)Rechargeable Sensor Networks with Magnetic Resonant Coupling (Liguang Xie, Yi Shi, Y Thomas Hou, Wenjing Lou, Hanif D Sherali and Huaibei Zhou)Cross-Layer Resource Allocation in Energy-Harvesting Sensor Networks (Zhoujia Mao, C Emre Koksal and Ness B Shroff)Energy-Harvesting Technique and Management for Wireless Sensor Networks (Jianhui Zhang and Xiangyang Li)Information Capacity of an AWGN Channel Powered by an Energy-Harvesting Source (R Rajesh, P K Deekshith and Vinod Sharma)Energy Harvesting in Wireless Sensor Networks (Nathalie Mitton and Riaan Wolhuter)Topology Control for Wireless Sensor Networks and Ad Hoc Networks (Sunil Jardosh)An Evolutionary Game Approach for Rechargeable Sensor Networks (Majed Haddad, Eitan Altman, Dieter Fiems and Julien Gaillard)Marine Sediment Energy Harvesting for Sustainable Underwater Sensor Networks (Baikun Li, Lei Wang and Jun-Hong Cui)Wireless Rechargeable Sensor Networks in the Smart Grid (Melike Erol-Kantarci and Hussein T Mouftah)Energy-Harvesting Methods for Medical Devices (Pedro Dinis Gaspar, Virginie Felizardo and Nuno M Garcia) Readership: Graduates, researchers, and professionals studying/dealing with networking, computer engineering, parallel computing, and electrical & electronic engineering. Keywords:Rechargeable Sensor;Energy Harvesting Technology;Renewable Sensor NetworksKey Features:This book provides comprehensive coverage from hardware design, protocol design, to applications. This book provides very recent results. And this book has prominent contributorsWith the increasing deterioration of global warming, energy harvesting technologies as a green source of energy are of great interest to research community. For wireless networks especially wireless sensor networks, the introduction of energy harvesting technologies can address the challenge of energy constraint and obtain perpetual network operation. Although there are lots of existing publications on energy harvesting, most of them are journal and conference papers, which concentrate on specific research problems and do not provide a comprehensive overview and prerequisite preliminaries to understand the energy harvesting technologies. To the best of our knowledge, there are only a few books which are concerned with energy harvesting technologies. One main drawback of these books are that they all elaborate on the hardware design of energy harvesting devices but neglect the impact of hardware design on the performance of overall networks which is also of great significance in practice. For example, the energy management subsystem should be designed to fulfill all the tasks without running out of energy, which is dependent on the available energy of each node and all the tasks of the whole networks. Hence, the algorithm and protocol optimization are as important as hardware design. But this was not elaborated in existing publications and motivates this book
Atmospheric Water Harvesting Development And Challenges
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Author : Elvis Fosso-Kankeu
language : en
Publisher: Springer Nature
Release Date : 2023-03-09
Atmospheric Water Harvesting Development And Challenges written by Elvis Fosso-Kankeu and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-09 with Technology & Engineering categories.
The commercial operation of atmospheric water harvesting systems is still limited to few countries; this is mainly due to the low energy efficiency of the system and the inability to effectively operate throughout the various seasons of the year. Researchers have attempted to develop strategies to render the operation of atmospheric water harvesters easier and cost effective. This book covers work progress toward such direction, including among others the co-operation of these systems with renewable energy source and the adaptation of the systems to local conditions; the response of the communities around the world to such technology and how its implementation is affected by cultural believe, cost, and technological friendliness. The book is of interest to academic researchers, students, water authorities, professional in relevant industries, government regulatory bodies officers, and environmentalists.
Elements Of Radio Frequency Energy Harvesting And Wireless Power Transfer Systems
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Author : Taimoor Khan
language : en
Publisher: CRC Press
Release Date : 2020-11-13
Elements Of Radio Frequency Energy Harvesting And Wireless Power Transfer Systems written by Taimoor Khan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-13 with Science categories.
This book focuses on elementary concepts of both radio frequency energy harvesting (RFEH) and wireless power transfer (WPT), and highlights their fundamental requirements followed by recent advancements. It provides a systematic overview of the key components required for RFEH and WPT applications and also comprehensively introduces the pioneering research advancements achieved to date. The state-of-the-art circuit design topologies for the two different applications are presented mainly in terms of antenna operating frequencies, polarization characteristics, efficient matching network circuits, rectifier topologies, and overall rectenna systems. The book serves as a single point of reference for practicing engineers and researchers searching for potential sources and elements involved in the RFEH system as well as in the WPT system, and need rapid training and design guidelines in the following areas: • Different sensing elements used in RFEH and WPT • Inclusions of mathematical expressions and design problems • Illustration of some design examples and performance enhancement techniques
Rainwater Harvesting For Agriculture In The Dry Areas
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Author : Theib Y. Oweis
language : en
Publisher: CRC Press
Release Date : 2012-05-21
Rainwater Harvesting For Agriculture In The Dry Areas written by Theib Y. Oweis and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-05-21 with Nature categories.
Dry areas suffer not only from limited rainfall but also ‘natural leakage’—90% of rainwater is lost directly or indirectly, and is unavailable for agriculture or domestic use. Water harvesting is a low-cost, easy-to-use, environmentally-friendly way to recover a large part of this lost water. How does water harvesting work? Which sites or areas are best suited and how can these areas be identified? How to design, build and maintain a water harvesting system tailored to local needs? How can water harvesting contribute to combating land degradation, enhancing food security and adapting to climate change? This book provides the answers. The book is based on many years of research, training and development by three of the world’s leading experts in water management and agriculture. It is authoritative, comprehensive, and easy to read, containing practical examples, many illustrations and little jargon. This volume will be of great interest to researchers, development workers, farmers, policymakers, students of the natural sciences—in fact, anyone interested in efficient, sustainable management of water resources and agriculture.
Harvesting Prosperity
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Author : Keith Fuglie
language : en
Publisher: World Bank Publications
Release Date : 2019-11-05
Harvesting Prosperity written by Keith Fuglie and has been published by World Bank Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-05 with Business & Economics categories.
Back cover blurb Rising agricultural productivity has driven improvements in living standards for millennia. Today, redoubling that effort in developing countries is critical to reducing extreme poverty, ensuring food security for an increasing global population, and adapting to changes in climate. This volume presents fresh analysis on global trends and sources of productivity growth in agriculture and offers new perspectives on the drivers of that growth. It argues that gains from the reallocation of land and labor are not as promising as believed, so policy needs to focus more on the generation and dissemination of new technologies, which requires stepping up national research efforts. Yet, in many of the poorest nations, a serious research spending gap has emerged precisely at the time when the challenges faced by agriculture are intensifying. The book focuses on how this problem can be redressed in the public sector, as well as on reforms aimed at mobilizing new private sector actors and value chains, particularly creating a better enabling environment, reforming trade regulations, introducing new products, and strengthening intellectual property rights. On the demand side, the book examines what recent research reveals about policies to reduce the barriers impeding smallholder farmers from adopting new technologies. Harvesting Prosperity is the fourth volume of the World Bank Productivity Project, which seeks to bring frontier thinking on the measurement and determinants of productivity to global policy makers. “As rightly argued by the authors, growth in agricultural productivity is the essential instrument to promote development in low-income agriculture-based countries. Achieving this requires research and development, upgrading of universities, reinforcement of farmer capacities, removal of constraints to adoption, and the development of inclusive value chains with interlinked contracts. As important, such efforts also need to be placed within a context of comprehensive agricultural, rural, and structural transformations. However, in many countries implementation of the requisite policies has been lagging. This book, with contributions from many top experts in the field, provides the most up-to-date presentation of this argument and explains in detail how to successfully put its ideas into practice. Governments, the private sector, and civil society organizations need to study it carefully to turn the promise of agriculture for development into a reality.“ Alain de Janvry and Elisabeth Sadoulet Professors of the Graduate School, University of California at Berkeley
Outcome Harvesting
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Author : Ricardo Wilson-Grau
language : en
Publisher: IAP
Release Date : 2018-11-01
Outcome Harvesting written by Ricardo Wilson-Grau and has been published by IAP this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-01 with Business & Economics categories.
Are you a grant maker, manager or evaluator who must assess your work to improve as well as be accountable for the use of resources and results? Does the project, program or organization you fund, manage or evaluate contend with substantial uncertainty about what to do and what will be the results? Do you thus experience constant change and unexpected and unforeseeable actors and factors in your intervention? Do you need to know what you are achieving and how in real time? And therefore, do you seek an alternative to conventional monitoring and evaluation of social change results? If yes, then you are the audience for this book. Beginning in 2002, working closely with co-evaluators and commissioners of evaluations, the author developed Outcome Harvesting to enable evaluators, grant makers, and managers to identify, formulate, verify, and make sense of changes that interventions have influenced in a broad range of cutting–edge innovation and development projects and programs around the world. Over these years, he led Outcome Harvesting evaluative exercises involving almost 500 non-governmental organizations, networks, government agencies, funding agencies, community-based organizations, research institutes and university programs. In over fifty evaluations, with forty co-evaluators he has harvested thousands of outcomes on six continents. Outcome Harvesting has proven useful in evaluations of a great diversity of initiatives: human rights advocacy, political, economic and environmental advocacy, arts and culture, health systems, information and communication technology, conflict and peace, water and sanitation, taxonomy for development, violence against women, rural development, organic agriculture, participatory democracy, waste management, public sector reform, good governance, eLearning, social accountability, and business competition, amongst others. In this book, the author explains the steps of Outcome Harvesting and how to customize them according to the nine underlying principles. He shares his experience and gives practical advice on how to work with Outcome Harvesting and remain true to its essential features.
Development Of Control Concepts For Improved Driving Dynamics Of Harvesting Machines With Large Headers
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Author : Benedikt Jung
language : en
Publisher: Springer
Release Date : 2018-06-27
Development Of Control Concepts For Improved Driving Dynamics Of Harvesting Machines With Large Headers written by Benedikt Jung and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-27 with Technology & Engineering categories.
This book examines the driving dynamics of harvesting machines with large harvesting heads. It looks at how to efficiently use these machines. The author explores a common problem that hinders machine performance when harvesting with very large headers. He deals with concepts for reducing the undesired effects of vehicle dynamics when using these machines. With the steadily increasing capacity of harvesting machines, the working widths of the harvesting heads get wider and the headers get heavier. It has become essential with these giant headers to use header height sensors and header control systems to avoid the headers from being run into the ground when encountering elevation changes in the terrain. A fundamental limitation of the viable speed of header height adjustments arises from the combination of the wider and heavier headers with soft agricultural tires. The current solution to find an appropriate speed of header height adjustments is to perform a header calibration whenever a new header is attached to the machine and to endow the machine operator with the capability to tweak the speed of adjustments manually. The result of an inappropriate speed of height adjustments is a reduction in overall productivity and an under-utilization of the harvesting machine. The author looks at ways to prevent this. He offers detailed modeling of the vertical dynamics including dynamic wheel loads. In addition, the book contains results from simulations and machine tests.