Download or read book Nuevo metodo para medir la humedad del suelo written by H. J. Marelli and published by . This book was released on 1995 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book M todos econ micos para medir la humedad de un suelo written by Sterling A. Taylor and published by . This book was released on 1966 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Estudio compararativo de electrodos y metodos de calibracion de bloques de resistencia electrica para medir humedad de suelo written by A. C. Atria Reyes and published by . This book was released on 1972 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exiten diversos metodos para medir la humedad del suelo, algunos de los cualos realizan esta mediciones en forma continua y sin alterar las condiciones de este. Entre estos esta el metodo basado en los cambios de resistencia electrica. Este metodo presentaba ciertas limitaciones en lo que respecta a su sensibilidad en algunos rangos de humedad. La sensibilidad esta regida por las caracteristicas del material envolvente y por el tipo y separacion de los electrodos. En el presente trabajo se estudio el comportamiento de los bloques de electrodos concentricos y paralelos cuando se hace variar su separacion. Tambien se compararon distintos metodos de calibracion para estos bloques. Se disenaron bloques con electrodos paralelos y concentricos a los cuales se les vario la distancia de separacion entre ellos. Estos se sometieron a procesos de envejacimiento. Posteriormente se procedio a calibrario mediante el metodo deela de presion y en maceteros grandes y pequenos en los cuales se comparaba su resistencia electrica con la tension de la humedad del suelo medida mediante tensiometros. Los resultados obtenidos fueron comparados mediante computador con ecuaciones de segundo grado que fueron las curvas que mas se ajustaron. El computador tambien entrego el coeficiente de correlacion entre los puntos observados y la curva calculada y ademas los constantes de la ecuacion. La determinacion del punto donde los bloques comenzban detectando los cambios de humedad, se realizo mediante una recta con pendiente ...

Download or read book Sistema de monitoreo autom tico de la humedad del suelo written by María de Jesús Flores Medina and published by . This book was released on 2016-07-08 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Recent Advances in Quantitative Remote Sensing written by José A. Sobrino and published by Universitat de València. This book was released on 2002 with total page 1046 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Calibracion y comparacion de algunos metodos para la determinacion de la humedad del suelo written by Mario R. Martinez Menez and published by . This book was released on with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Isotopes and Radiation in Soil plant Nutrition Studies written by and published by . This book was released on 1965 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil Chemistry; Soil Physics; Ion uptake and translocation; Fertilizer usage.

Download or read book V Latin American Congress on Biomedical Engineering CLAIB 2011 May 16 21 2011 Habana Cuba written by José Folgueras Méndez and published by Springer Science & Business Media. This book was released on 2012-11-06 with total page 1363 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the CLAIB 2011, held in the Palacio de las Convenciones in Havana, Cuba, from 16 to 21 May 2011. The conferences of the American Congress of Biomedical Engineering are sponsored by the International Federation for Medical and Biological Engineering (IFMBE), Society for Engineering in Biology and Medicine (EMBS) and the Pan American Health Organization (PAHO), among other organizations and international agencies and bringing together scientists, academics and biomedical engineers in Latin America and other continents in an environment conducive to exchange and professional growth.

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