Results 11 to 20 of about 134,277 (185)

Fósforo remanescente em argila e silte retirados de Latossolos após pré-tratamentos na análise textural Solution equilibrium phosphorus in clay and silt fractions of Oxisols after particle size analysis pre-treatments

Revista Brasileira de Ciência do Solo, 2008
Alguns Latossolos podem apresentar problemas de dispersão, devido a grupamentos de microagregados de alta estabilidade. Esses grupamentos, muito argilosos, são parcialmente desagregados pela dispersão química e mecânica, contribuindo, pelo seu tamanho ...
Guilherme Kangussú Donagemma, Hugo Alberto Ruiz, Víctor Hugo Alvarez V., João Carlos Ker, Maurício Paulo Ferreira Fontes   +4 more
doaj   +1 more source

Eficiencia técnica del frijol caupí (Vigna unguiculata L. Walp) en la Región Caribe de Colombia

Agronomía Mesoamericana, 2022
Introducción. Dentro de los sistemas de producción de la economía campesina en la Región Caribe, el frijol caupí (Vigna unguiculata L. Walp) es importante dada su calidad nutricional.
Antonio Maria Martínez-Reina, Carina Cecilia Cordero-Cordero, Adriana Patricia Tofiño-Rivera   +2 more
doaj   +1 more source

Spreading of energy residential behavior; review of houses in south-central Chile [PDF]

, 2013
La necesidad de reducir los consumos de energía residencial requiere conocer cabalmente las condiciones habitacionales. Este artículo analiza viviendas en la zona Centro-Sur de Chile detectando una dispersión espacial de los comportamientos energéticos ...
García Alvarado, Rodrigo, Herrera Ojeda, Rodrigo, Soto Muñoz, Jaime   +2 more
core   +1 more source

Estimating the total mortality of seabirds following a marine heat wave

Conservation Biology, EarlyView.
Abstract Marine heat waves detrimentally affect a range of marine species, including seabirds, and are increasing in frequency and severity. When thousands of dead seabirds wash up on beaches, the public becomes concerned. However, the number of dead birds recorded on beaches is only a fraction of the total mortality; most birds perish at sea.
Jennifer L. Lavers, William Fulton, Silke Stuckenbrock, Alexander L. Bond   +3 more
wiley   +1 more source

Aceros ODS FeCrAl avanzados para aplicaciones estructurales de alta temperatura en sistemas de generación de energía

Revista de Metalurgia, 2012
Las tecnologías y medios para desarrollar plantas de biomasa con alta eficiencia en la conversión de energía son esenciales para asentar la biomasa como una fuente de energía renovable.
G. Pimentel, C. Capdevila, M. J. Bartolomé, J. Chao, M. Serrano, A. García-Junceda, M. Campos, J. M. Torralba, J. Aldazábal   +8 more
doaj   +1 more source

“ÍNDICE DE EFICIENCIA MIOCÁRDICA EN JUGADORES DE FÚTBOL ASOCIACIÓN EN PRETEMPORADA 2015 A 2600 METROS SOBRE EL NIVEL DEL MAR. TOLUCA, ESTADO DE MÉXICO” [PDF]

, 2017
Resumen Objetivo. Determinar el índice de eficiencia miocárdica en jugadores de fútbol asociación en pretemporada 2015 a 2600 metros sobre el nivel del mar, Toluca, Estado de México. Material y métodos.
LÓPEZ RODRIGUEZ, SALVADOR, RODRÍGUEZ PATIÑO, IVÁN   +1 more
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Hyperdominant Trees Reveal Savanna Vulnerability Under Climate Change

Global Change Biology, Volume 32, Issue 4, April 2026.
The Brazilian Cerrado's forest structure relies disproportionately on just 30 hyperdominant tree species, which represent 50% of all individuals despite accounting for only 2% of species richness. This study evaluates their vulnerability under climate change scenarios for 2100.
Facundo Alvarez, Ben Hur Marimon‐Junior, Beatriz Schwantes Marimon, Wesley Jonatar Alves da Cruz, Norberto Gomes Ribeiro Júnior, Raiane Gonçalves Béu, Polyanna da Conceição Bispo, Aldair de Souza Medeiros, Glécio Machado Siqueira, Marcelo Leandro Bueno, Fabiana de Gois Aquino, Frederico Augusto Guimarães Guilherme, José Roberto Rodrigues Pinto, Henrique Augusto Mews, Bruno Machado Teles Walter, Sabrina do Couto de Miranda, Ricardo Flores Haidar, Eddie Lenza de Oliveira, Renata Dias Françoso Brandão, Eraldo Aparecido Trondoli Matricardi, Cássia Beatriz Rodrigues Munhoz, Edson de Souza Lima, Maria Antônia Carniello, Mercedes Maria da Cunha Bustamante, Paulo Sérgio Morandi, Edmar Almeida de Oliveira, Zenésio Finger, Eder Carvalho das Neves, Fernando Elias, Immaculada Oliveras Menor, Simone Matias de Almeida Reis, Oliver Phillips, Ted R. Feldpausch   +32 more
wiley   +1 more source

Software Radio para antenas inteligentes en comunicaciones personales multistandard [PDF]

, 1998
Peer ReviewedPostprint (published ...
Cabrera-Bean, Margarita, Fonollosa, Javier R, Lagunas Hernandez, Miguel A., Mestre Pons, Francesc X., Mestre, Xavier, Pérez Neira, Ana Isabel, Vidal Manzano, José   +6 more
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The Role of Public Finance to Address the Global Finance Gap for Drinking Water Services

World Water Policy, Volume 12, Issue 1, February 2026.
ABSTRACT Meeting SDG target 6.1 for drinking water requires addressing the finance gap between the funds available from tariffs, taxes and transfers, and the life‐cycle costs of sustaining these services. While there are li‐mitations to applying repayable finance to address this gap, governments can be well suited to support both drinking water ...
Kristina Nilsson
wiley   +1 more source

Optimización de una celda de flotación [PDF]

, 2017
Flotation is one of the most used mineral concentration processes in the mining industry. Regarding the flotation process, there are three zones: agitation, intermediate and superior that are affected by the different hydrodynamic conditions of the ...
Pazmiño Carrillo, Bryan Paul
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