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El tratamiento de aguas residuales por medio de los humedales artificiales se ha empleado por más de 20 años a nivel mundial. Sus ventajas con respecto a sistemas convencionales, en cuanto a bajos costos de construcción y operativos, requerimientos mínimos de personal capacitado, buenas eficiencias en remoción de contaminantes, incluidos los microorganismos, los han convertido en sistemas que no solamente han sido empleados para tratar las aguas residuales de pequeñas y medianas comunidades si no que han sido utilizados para la depuración de aguas residuales de tipo industrial. Por tal motivo, este tipo de ecotecnología resulta altamente atractiva para ser aplicada en países en vías de desarrollo como México.
Este documento contiene información general sobre prácticas básicas para la determinación de calidad de aguas y suelos tanto sanos como contaminados, así como de la microbiología de este tipo de ambientes.
A collection of poems written with enthusiasm, curiosity, wonder and amazement by the middle school students of St. Joseph Catholic Academy, in Kenosha, Wisconsin. This book includes a magical, inspirational and creative compilation of 6th grade wisdom. One of the poems in this book was selected as a poetry contest winner by judges at the Milwaukee Public Museum during their Dead Sea Scrolls and the Bible Exhibition.
With stories focused on the lives of marginalized people, Cars on Fire transmutes loss and pain into an ode about the multiplicity of love.
This book introduces fundamental concepts in kinetics that relate to system biology. Topics include basic kinetics, enzyme kinetics, generalized rate laws, gene regulation and introduction to elasticities. The text is suitable for junior/senior undergraduates and graduates who need access to information relevant to modeling biochemical pathways.
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The American Civil Liberties Union partners with award-winning authors Michael Chabon and Ayelet Waldman in this “forceful, beautifully written” (Associated Press) collection that brings together many of our greatest living writers, each contributing an original piece inspired by a historic ACLU case. On January 19, 1920, a small group of idealists and visionaries, including Helen Keller, Jane Addams, Roger Baldwin, and Crystal Eastman, founded the American Civil Liberties Union. A century after its creation, the ACLU remains the nation’s premier defender of the rights and freedoms guaranteed by the Constitution. In collaboration with the ACLU, authors Michael Chabon and Ayelet Waldman...