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Author: Juan Díaz Rengifo
Publisher:
ISBN: 9788469968819
Category :
Languages : es
Pages :
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Book Description
Author: Juan Díaz Rengifo
Publisher:
ISBN: 9788469968819
Category :
Languages : es
Pages :
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Book Description
Resumen El presente trabajo de investigación titulado "Desarrollo de un Sistema Integrado para Monitorización "in situ" de metales pesados", trata de la puesta en marcha de un nuevo sistema de medida potenciométrico portátil para la determinación cuantitativa de metales pesados tóxicos al medio ambiente para medidas en el campo. Comprende tres áreas disciplinarias: En la primera área, la electroquímica, se desarrollan sensores químicos que a su vez se dividen en tres etapas: En la primera etapa, se estudia la fabricación de electrodos convencionales de cabezal reemplazable selectivos a los cationes de cobre(II), cadmio(II) y plomo(II). En la segunda etapa, el estudio de nuevos electrodos selectivos a los mismos cationes del estudio anterior en configuración plana basado en tecnología "thick film", adaptada a nuestras necesidades de fabricación mediante la técnica de moldeo ("casting"). Por último, en la tercera etapa, se estudia la fabricación de electrodos de referencia de configuración plana con la misma tecnología. La segunda área es la informática, en la que se desarrolla un paquete de herramientas basado en "software" de LabVIEW versión 5.1, con el nombre de Instrumentación Virtual para el Control Potenciométrico de Sensores Químicos, (en inglés "VIPCCHES"). Este paquete está capacitado para el tratamiento de la información que contienen las señales analíticas procdentes de los sensores. Tiene tres funciones importantes. La primera función es la calibración de los electrodos por dos métodos: calibración externa continua y calibración externa discontinua, ambos en dos modos de operación, modo individual y modo "array" de electrodos. Una segunda función del paquete VIPCCHES es la adquisición de datos en modo continuo de un electrodo o un array de electrodos, permitiendo al usuario programar las medidas necesarias en tiempos de adquisición variables. La tercera función operativa del programa, es la realización de análisis de muestras de metales para un electrodo o.
Author: Juan Arturo Díaz Rengifo
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Author: Elizabeth Tilley
Publisher:
ISBN: 9783906484570
Category :
Languages : en
Pages : 176
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Book Description
Author: Hiroshan Hettiarachchi
Publisher: Springer
ISBN: 331974268X
Category : Technology & Engineering
Languages : en
Pages : 182
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Book Description
This book offers a broad and global level description of the current status of wastewater use in agriculture and then brings the readers to various places in the MENA Region and Europe to explain how some countries and regions have addressed the challenges during implementation. On a global scale, over 20 million hectares of agricultural land are irrigated using wastewater. This is one good, and perhaps the most prominent, example of the safe use potential of wastewater. Water scarcity and the cost of energy and fertilisers are among the main factors driving millions of farmers and other entrepreneurs to make use of wastewater. In order to address the technical, institutional, and policy challenges of safe water reuse, developing countries and countries in transition need clear institutional arrangements and more skilled human resources, with a sound understanding of the opportunities and potential risks of wastewater use. Stakeholders in wastewater irrigation who need to implement from scratch or improve current conditions, find it difficult to gather the necessary information on practical implementation aspects. The main objective of this book is to bridge that gap.
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 78
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Book Description
This Safety Report summarizes good and current state of the art practices in industrial radiography and provides technical advice on radiation protection and safety. It contains information explaining the responsibilities of regulatory authorities, operating organizations, workers, equipment manufacturers and client organizations, with the intention of enhancing radiation protection and safety.
Author: Donald W. Sparling
Publisher: CRC Press
ISBN: 1420064177
Category : Science
Languages : en
Pages : 946
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Book Description
Building on the success of its popular predecessor, the second edition of Ecotoxicology of Amphibians and Reptiles presents newly available findings on the species that are important environmental indicators. This new edition covers nearly twice as many topics as the first, including recent developments in the ecotoxicology of amphibians and reptil
Author: Commission for Environmental Cooperation (Montréal, Québec). Secretariat
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 240
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Book Description
The North American Mosaic has four overarching features. First, it is, to the extent feasible, based on comparable information on the status and trends of major indicators of the state of the environment in Canada,Mexico, and the United States. Second, the report confirms that these three countries together make up an incredibly complex, dynamic, and interconnected ecosystem in which humans play a dominant and decisive role. Third, the report raises important and sometimes disquieting questions concerning the sustainability of some current trends. Finally, the report is a reminder that our economic, social, and physical well-being are utterly dependent on the life-sustaining services provided by nature. This report emphasizes the importance of developing mutually compatible economic, social, and environmental goals and policies across the three-country region.
Author: Wim Salomons
Publisher: Springer Science & Business Media
ISBN: 3642601030
Category : Science
Languages : en
Pages : 393
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Book Description
All coastal areas are facing a growing range of stresses and shocks, the scale of which now poses threats to the resilience of both human and environmental coastal systems. Responsible agencies are seeking better ways of managing the causes and consequences of the environmental change process in coastal zones. This volume discusses the basic principles underpinning a more integrated approach to coastal management and highlights the obstacles that may be met in practice in both developed and developing countries. Successful strategies will have to encompass all the elements of management, from planning and design through financing and implementation, as highlighted in this book.
Author: Joanna Page
Publisher: UCL Press
ISBN: 178735976X
Category : Art
Languages : en
Pages : 286
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Book Description
Projects that bring the ‘hard’ sciences into art are increasingly being exhibited in galleries and museums across the world. In a surge of publications on the subject, few focus on regions beyond Europe and the Anglophone world. Decolonizing Science in Latin American Art assembles a new corpus of art-science projects by Latin American artists, ranging from big-budget collaborations with NASA and MIT to homegrown experiments in artists’ kitchens. While they draw on recent scientific research, these art projects also ‘decolonize’ science. If increasing knowledge of the natural world has often gone hand-in-hand with our objectification and exploitation of it, the artists studied here emphasize the subjectivity and intelligence of other species, staging new forms of collaboration and co-creativity beyond the human. They design technologies that work with organic processes to promote the health of ecosystems, and seek alternatives to the logics of extractivism and monoculture farming that have caused extensive ecological damage in Latin America. They develop do-it-yourself, open-source, commons-based practices for sharing creative and intellectual property. They establish critical dialogues between Western science and indigenous thought, reconnecting a disembedded, abstracted form of knowledge with the cultural, social, spiritual, and ethical spheres of experience from which it has often been excluded. Decolonizing Science in Latin American Art interrogates how artistic practices may communicate, extend, supplement, and challenge scientific ideas. At the same time, it explores broader questions in the field of art, including the relationship between knowledge, care, and curation; nonhuman agency; art and utility; and changing approaches to participation. It also highlights important contributions by Latin American thinkers to themes of global significance, including the Anthropocene, climate change and environmental justice.
