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En este libro se muestran algunas tesis nacidas del esfuerzo por construir una visión compleja, interdisciplinaria, ética y participativa en distintos territorios del país y en escenarios diferentes entre sí. La intención de generar respuestas a problemas ambientales o aportar elementos que nutran a los procesos educativo-ambientales puede identificarse en las formulaciones teórico-metodológicas, en las reflexiones que hacen los autores y en el interés por generar una práctica formativa pertinente.
This book introduces theories, methods and applications of density ratio estimation, a newly emerging paradigm in the machine learning community.
The relatively new technique of solid phase microextraction (SPME) is an important tool to prepare samples both in the lab and on-site. SPME is a "green" technology because it eliminates organic solvents from analytical laboratory and can be used in environmental, food and fragrance, and forensic and drug analysis. This handbook offers a thorough background of the theory and practical implementation of SPME. SPME protocols are presented outlining each stage of the method and providing useful tips and potential pitfalls. In addition, devices and fiber coatings, automated SPME systems, SPME method development, and In Vivo applications are discussed. This handbook is essential for its discussion of the latest SPME developments as well as its in depth information on the history, theory, and practical application of the method. - Practical application of Solid Phase Microextraction methods including detailed steps - Provides history of extraction methods to better understand the process - Suitable for all levels, from beginning student to experienced practitioner
This engaging and clearly written textbook/reference provides a must-have introduction to the rapidly emerging interdisciplinary field of data science. It focuses on the principles fundamental to becoming a good data scientist and the key skills needed to build systems for collecting, analyzing, and interpreting data. The Data Science Design Manual is a source of practical insights that highlights what really matters in analyzing data, and provides an intuitive understanding of how these core concepts can be used. The book does not emphasize any particular programming language or suite of data-analysis tools, focusing instead on high-level discussion of important design principles. This easy...
A practical guide to ancient Mesoamerican solar and lunar rites for healing and transformation • Details shamanic rituals and practices for each period of the day, including dawn, sunrise, noon, sunset, and midnight, to best harness the energies of the sun, night sun, and moon for specific purposes, such as divination, journeying with animal spirit guides, or spiritual wisdom • Incorporates shamanic breathwork, dreamwork, mantra chanting, mudras, dancing and movement, toning, chakra work, crystals, herbs, and limpias (shamanic cleanses) • Explores how nighttime energies are affected by the phases of the moon, offering specific practices for each phase Ancient Mesoamerican shamans and m...
A step-by-step shamanic guide to navigating the non-ordinary realms, locating lost soul fragments, and reintegrating them • Explains how the soul is a form of sacred energy that can escape when someone experiences trauma or stressful situations • Explores how to work with the 5 Mesoamerican cardinal directions to connect with lost soul fragments, create the ideal space for them to return, and ensure a lasting soul retrieval • Details how to enter a trance journey for navigating the spirit realm through shamanic breathwork, shamanic dancing, toning methods, as well as hand postures Drawing on her more than 20 years’ experience working with present-day Mesoamerican curanderos/as and th...
A tutorial on the ancient practice of limpias to heal the mind, body, and soul • Offers step-by-step instructions for the practice of limpias, shamanic cleansing rituals to heal, purify, and revitalize people as well as physical spaces • Examines different types of limpia ceremonies, such as fire rites for transformation, water rites for cleansing and influencing, and sweeping rites for divination • Explores the sacred stories behind limpia rituals and traces these curanderismo practices to their indigenous roots Exploring the essential tools and practices of Mesoamerican shamans and curanderos, specifically the ancient Yukatek Maya and Mexica (Aztec), Erika Buenaflor, M.A., J.D., prov...
Sex, lies, and scientific history collide in 1993 Havana. It was as if we’d reached the minimum critical point of a mathematical curve. Imagine a parabola. Zero point down, at the bottom of an abyss. That’s how low we sank. The year is 1993. Cuba is at the height of the Special Period, a widespread economic crisis following the collapse of the Soviet bloc.For Julia, a mathematics lecturer who hates teaching, this is Year Zero: the lowest possible point. But a way out appears: the search for a missing document that will prove the telephone was invented in Havana, secure her reputation, and give Cuba a purpose once more. What begins as an investigation into scientific history becomes a tangle of sex, friendship, family legacies, and the intricacies of how people find ways to survive in a country at its lowest ebb.
Mixed matrix membranes (MMMs) have attracted a large amount of interest in research laboratories worldwide in recent decades, motivated by the gap between a growing interest in developing novel mixed matrix membranes by various research groups and the lack of large-scale implementation. This Special Issue contains six publications dealing with the current opportunities and challenges of mixed matrix membranes development and applications to solve environmental and health challenges of the society of 21st century.