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88 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Leach e Lévi- Strauss
Articolo
Articolo
Leach e Lévi- Strauss
Roberto Cardoso de Oliveira · Programa de Pós-Graduação em Antropologia Social da Universidade de Brasília (PPGAS/UnB) · 2018 · ISSN 0102-4302
As relações entre a Inglaterra e o Continente, especificamente a França, não têm sido das mais frutíferas no campo da Antropologia. O renitente empirismo inglês e o não menos renitente racionalismo francês sempr...
LCC TENDOkFudGhyb3BvbG9neQ~~; TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma Inglés
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Comparative Analysis of PSO vs. GWO-Enhanced LEACH in Energy-Efficient Wireless Sensor Networks
Articolo
Articolo
Comparative Analysis of PSO vs. GWO-Enhanced LEACH in Energy-Efficient Wireless Sensor Networks
Devika G · UNIMAS Publisher · 2026 · ISSN 2289-7771
Wireless Sensor Networks (WSNs) are extensively used in applications such as environmental monitoring, surveillance, and smart security, but their performance is limited by the restricted energy capacity of sensor nodes,...
LCC LCC:Electrical engineering. Electronics. Nuclear engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~; Idioma Inglés
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Direct Cadmium Monitoring in Cigarette Filters Leachate by Molecular Fluorescence
Articolo
Articolo
Direct Cadmium Monitoring in Cigarette Filters Leachate by Molecular Fluorescence
Talio, María Carolina et al · Scientific Research · 2012 · ISSN 2152-2197
This work proposes a new direct flourimetric methodology for cadmium traces quantification based on its association with azo-reagent SPADNS and rhodamine B dye. Experimental variables that influence on fluorimetric sensi...
Idioma Inglés
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Enhancement of technological well productivity during in situ leaching using optimized multi-strand detonation cord charges (12–20 g/m): experimental study
Articolo
Articolo
Enhancement of technological well productivity during in situ leaching using optimized multi-strand detonation cord charges (12–20 g/m): experimental study
Sherzod Zairov et al · SpringerOpen · 2026 · ISSN 1110-1903
Abstract The productivity decline of technological wells during in situ leaching (ISL) is primarily associated with clogging of well filters and the near-filter zone, leading to a significant increase in hydraulic resist...
LCC LCC:Engineering (General). Civil engineering (General)Idioma Inglés
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High phosphorus content in leachates of the austral beech nothofagus pumilio stimulates bacterioplankton c-consumption
Articolo
Articolo
High phosphorus content in leachates of the austral beech nothofagus pumilio stimulates bacterioplankton c-consumption
Bastidas Navarro, Marcela Alejandra et al · University of Chicago Press · 2019 · ISSN 2161-9565
In the Northern Patagonian Andes, the austral beech Nothofagus pumilio dominates the upper limit of the temperate forest and is an important source of allochthonous dissolved organic matter (DOM) in mountain lakes. In ad...
Idioma Inglés
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Volcanic Ash Leachate as a Low-Cost Catalyst for Fenton-Like Reactions
Articolo
Articolo
Volcanic Ash Leachate as a Low-Cost Catalyst for Fenton-Like Reactions
Rodríguez Simón, Carlos Norberto et al · Springer · 2022 · ISSN 1877-2641
This work deals with the reduction of operating costs of the Fenton-like oxidation of the azo dye Orange II (OII) using volcanic ash leachate as the catalyst. The effect of the volcanic ash concentration and temperature ...
Idioma Inglés
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Lixiviação de nitrato em pastagem de coastcross adubada com nitrogênio Nitrate leaching in heavily nitrogen fertilized coastcross pasture
Articolo
Articolo
Lixiviação de nitrato em pastagem de coastcross adubada com nitrogênio Nitrate leaching in heavily nitrogen fertilized coastcross pasture
Odo Primavesi et al · Sociedade Brasileira de Zootecnia · 2006 · ISSN 1516-3598
Objetivou-se verificar possíveis perdas de N-nitrato em profundidade, em experimentos conduzidos no período das chuvas em dois anos consecutivos em pastagem de capim-coastcross (Cynodon dactylon cv. coastcross) instala...
LCC LCC:Animal cultureIdioma Inglés
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A “Antropologia Social” de Edmundo Leach
Articolo
Articolo
A “Antropologia Social” de Edmundo Leach
Alcida Rita Ramos · Programa de Pós-Graduação em Antropologia Social da Universidade de Brasília (PPGAS/UnB) · 2018 · ISSN 0102-4302
Se fôssemos qualificar o livro mais recente de Leach* com uma única palavra, talvez a mais apropriada fosse "dispensável” . São raros os momentos neste livro que lembram a vitalidade intelectual dos trabalhos mais ...
LCC TENDOkFudGhyb3BvbG9neQ~~; TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma Inglés
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Livestock stations as foci of groundwater recharge and nitrate leaching in a sandy desert of the Central Monte, Argentina
Articolo
Articolo
Livestock stations as foci of groundwater recharge and nitrate leaching in a sandy desert of the Central Monte, Argentina
Meglioli, Pablo Andrés et al · Wiley · 2014 · ISSN 1936-0584
In arid ecosystems, evapotranspiration generally exceeds precipitation, preventing deep drainage and groundwater recharge. We propose that vegetation changes associated with the establishment of pastoralist settlements (...
Idioma Inglés
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Shrub leachates rich in soluble phenols negatively affect the germination of dominant perennial grasses and shrubs in the Patagonian Monte
Articolo
Articolo
Shrub leachates rich in soluble phenols negatively affect the germination of dominant perennial grasses and shrubs in the Patagonian Monte
Muñoz, Giovana Magali et al · Academic Press Ltd - Elsevier Science Ltd · 2026 · ISSN 0140-1963
Grazing reduces grass cover and promotes the dominance of shrubs with high concentration of soluble phenols, which may leach from their canopies and reach neighboring plants and soils. Despite their potential allelopathi...
Idioma Inglés
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Occurrence of the louse fly Ornithoctona erythrocephala Leach (1817) (Diptera: Hippoboscidae) on a free-living red-legged seriema (Cariama cristata)
Articolo
Articolo
Occurrence of the louse fly Ornithoctona erythrocephala Leach (1817) (Diptera: Hippoboscidae) on a free-living red-legged seriema (Cariama cristata)
Thiago Merighi Vieira da Silva et al · Colégio Brasileiro de Parasitologia Veterinária · 2021 · ISSN 1984-2961
Abstract The aim of this study was to report, for the first time, the occurrence of the hippoboscid fly Ornithoctona erythrocephala on a red-legged seriema (Cariama cristata). A Diptera specimen was found among the feath...
LCC LCC:Animal cultureIdioma Inglés
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Studies on the Teaching and Learning of Languages at Mexican Universities
Libro elettronico
Libro elettronico
Studies on the Teaching and Learning of Languages at Mexican Universities
Paredes Zepeda, Bertha Guadalupe; Hernández Alvarado, Martha Guadalupe · Plaza y Valdés (México) · 2018 · ISBN 9786078624133
Research in English Language Teaching in Mexico has recently increased due to the new demanads imposed by international agencies for researchers to publish. As a result, networks and collaboration among institutions have...
Idioma Inglés
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Institucional
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Antioxidant, cytotoxic and UVB-absorbing activity of Maytenus guyanensis Klotzch. (Celastraceae) bark extracts Atividade antioxidante, citotóxica e absorção no UVB de extratos da casca de Maytenus guyanensis Klotzch. (Celastraceae)
Articolo
Articolo
Antioxidant, cytotoxic and UVB-absorbing activity of Maytenus guyanensis Klotzch. (Celastraceae) bark extracts Atividade antioxidante, citotóxica e absorção no UVB de extratos da casca de Maytenus guyanensis Klotzch. (Celastraceae)
Patrícia de Almeida Telles Macari et al · Instituto Nacional de Pesquisas da Amazônia · 2006 · ISSN 0044-5967
Maytenus guyanensis Klotzch. is an Amazonian medicinal tree species known in Brazil by the common name chichuá and in Peru and Colombia by the name chuchuhuasi. It is used in traditional medicine as stimulant, tonic, an...
LCC LCC:Science (General)Idioma Inglés
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Energy efficient modified TDMA schedule for reducing energy consumption in Wireless Sensor Networks
Articolo
Articolo
Energy efficient modified TDMA schedule for reducing energy consumption in Wireless Sensor Networks
Zewditu Guangulie Gebyhu et al · Springer · 2026 · ISSN 3004-9261
Abstract Wireless Sensor Networks comprise low-cost, low-power, lightweight, and multifunctional sensor nodes capable of sensing and transmitting data from remote or hazardous environments to a central base station. Thes...
LCC LCC:Science (General)Idioma Inglés
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Fertilization and cover crop effects on soil nitrogen and plant nutrition in a young guarana plantation Efeitos da fertilização mineral e da cobertura do solo sobre a dinâmica do Nitrogênio e na nutrição de plantas jovens de guaraná
Articolo
Articolo
Fertilization and cover crop effects on soil nitrogen and plant nutrition in a young guarana plantation Efeitos da fertilização mineral e da cobertura do solo sobre a dinâmica do Nitrogênio e na nutrição de plantas jovens de guaraná
Lucerina Trujillo et al · Instituto Nacional de Pesquisas da Amazônia · 2003 · ISSN 0044-5967
Fruit tree production is gaining an increasing importance in the central Amazon and elsewhere in the humid tropics, but very little is known about the nutrient dynamics in the soil-plant system. The present study quantif...
LCC LCC:Science (General)Idioma Inglés
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
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Preliminary use of a fulvic acid, as a strategy to improve water use in saline soils
Articolo
Articolo
Preliminary use of a fulvic acid, as a strategy to improve water use in saline soils
Cristián Kremer et al · Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo · 2021 · ISSN 0370-4661
An evaluation of a fulvic acid (FA) was made in a Loam soil, by selecting the best dose to achieve salt displacement under a drip emitter. In trial 1, PVC columns were filled with a loam soil and irrigated with a KCl sol...
LCC LCC:Agriculture; TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~Idioma Inglés
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Retenção do dimetoato e sua relação com pH e teores de argila e matéria orgânica nos sedimentos da zona não-saturada de uma microbacia no nordeste paraense Dimethoate retention and its relation to pH, clay and organic mater contents by sediments in non saturated zone of a small catchment of the northeast Pará
Articolo
Articolo
Retenção do dimetoato e sua relação com pH e teores de argila e matéria orgânica nos sedimentos da zona não-saturada de uma microbacia no nordeste paraense Dimethoate retention and its relation to pH, clay and organic mater contents by sediments in non saturated zone of a small catchment of the northeast Pará
Lilianne Maia Lima et al · Instituto Nacional de Pesquisas da Amazônia · 2007 · ISSN 0044-5967
Na agricultura familiar na Amazônia oriental, em particular no nordeste do Pará, são comuns os cultivos semi-perenes com pesada aplicação de agrotóxicos. Em virtude da ampla utilização desses produtos, principalm...
LCC LCC:Science (General)Idioma Inglés
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Zeolite-based Composites as Slow Release Fertilizers (Review)
Articolo
Articolo
Zeolite-based Composites as Slow Release Fertilizers (Review)
L. Soltys et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
One of the most important problems of agriculture is finding new methods to increase soil fertility and productivity. The use of fertilizers increases the efficiency of nutrients, however, their uncontrolled use leads to...
LCC TENDOlBoeXNpY3M~Idioma Inglés
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A antropologia britânica nas edições brasileiras
Articolo
Articolo
A antropologia britânica nas edições brasileiras
Júlio César Melatti · Programa de Pós-Graduação em Antropologia Social da Universidade de Brasília (PPGAS/UnB) · 2018 · ISSN 0102-4302
Faz alguns anos, encarreguei-me de ministrar em certo semestre uma disciplina em nível de graduação que consistia na leitura e discussão de algumas monografias antropológicas modelares. Incluí na bibliografia The A...
LCC TENDOkFudGhyb3BvbG9neQ~~; TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma Inglés
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