Results 81 to 90 of about 667,421 (255)

Análisis etnohistórico de la complejidad social del bajo delta del río Colorado con base en documentos misionales de fines del siglo XVII y del XVIII.

Revista Atlántica-Mediterránea de Prehistoria y Arqueología Social, 2014
El bajo delta del Colorado es, con base en el analisis etnohistorico de documentos virreinales de finales del s. XVII y del s. XVIII, el area nuclear de una region de intensa efervescencia interetnica. En esta dinamica social estaban integradas todas las sociedades del tercio norte del Desierto de Sonora, tanto las sedentarias como aquellas que basan ...
openaire   +1 more source

The abstraction effect on logic rules application [PDF]

, 2013
The aim of this study is to analyze the relationship between training on abstraction and the comprehension of logic rules. In order to evaluate the possibility of improvement on logic performance we have selected the particular case of the DeMorgan’s ...
Campitelli, Guillermo Jorge, Macbeth, Guillermo Eduardo, Razumiejczyk, Eugenia   +2 more
core  

First record of the invasive bee Anthidium manicatum (Hymenoptera: Megachilidae) in Chile [PDF]

, 2015
The Palearctic wool carder bee Anthidium manicatum (Linnaeus) is recorded for the first time in Chile based on eight specimens collected on Lavandula sp. (Lamiaceae) in San Bernardo, Metropolitan Region.
Montalva, Jose Miguel, Ríos, Mauro, Vivallo, Felipe   +2 more
core   +3 more sources

Traceability of Agri‐Food Products: The Key to Conscious Trade

Agribusiness, EarlyView.
ABSTRACT Globalization and growing concerns about sustainability have led to improvements in product traceability, quality, and sustainability. Traceability contributes to environmental protection and supports sustainable development by fostering transparency in agricultural practices and encouraging the responsible use of resources.
Scarlett Queen Almeida Bispo, Fernanda Aparecida Silva, Michelle Márcia Viana Martins, Marcelo José Braga Nonnenberg, Ruan da Silva Vianna, Carla Cristina Passos Cruz   +5 more
wiley   +1 more source

Periodos oscuros e investigación histórica: una aproximación desde la periferia; el modo de producción feudal en el área minera de Río Tinto

Revista Atlántica-Mediterránea de Prehistoria y Arqueología Social, 2000
En las lineas que siguen abordamos un asunto ya viejo y largamente debatido, la existencia o no de Feudalismo en la Peninsula Iberica, desde una perspectiva local cenida a un territorio concreto pero claramente ejemplificador del condicionamiento impuesto por estudios historicos vacios e improductivos en lo que se refiere a su sustento empirico y ...
openaire   +1 more source

Deep Reinforcement Learning Approaches for Sensor Data Collection by a Swarm of UAVs

Advanced Intelligent Systems, EarlyView.
This article presents four decentralized reinforcement learning algorithms for autonomous data harvesting and investigates how collaboration improves collection efficiency. It also presents strategies to minimize training times by improving model flexibility, enabling algorithms to operate with varying number of agents and sensors.
Thiago de Souza Lamenza, Bruno José Olivieri de Souza, Markus Endler   +2 more
wiley   +1 more source

A 10,000 Mississippi Kite flock observed in Fuerte Esperanza, Argentina [PDF]

, 2006
The Mississippi Kite (Ictinia mississippiensis) is a Neotropical migrant that nests singly or in loose, small colonies in North America from North Carolina and north Florida west to Kansas, southeastern Colorado, and Texas and north along Mississippi ...
Areta, Juan Ignacio, Seipke, Sergio H.
core   +1 more source

Neighborhood social environments and mental health among youth and adults in public housing

American Journal of Community Psychology, EarlyView.
Abstract Neighborhoods influence health in part through social processes. However, little is known about how multiple neighborhood social processes co‐occur, or about within (vs. between) neighborhood variation in social processes and health. This study asked how residents of a large public housing development describe their neighborhood and used ...
Jane Leer, Lindsay Lanteri, Rebekah Levine Coley, Samantha Teixeira   +3 more
wiley   +1 more source

Diatomeas epilíticas como bioindicadores de calidad hídrica en el río Pachanlica, Ecuador

Tecnología y ciencias del agua
Las diatomeas han sido reconocidas como bioindicadores efectivos de la calidad del agua debido a su sensibilidad a cambios fisicoquímicos y rápida respuesta a perturbaciones ambientales.
Edgar Uquillas-Romo, Adrián Chalán-Ramírez, Luis Patiño-Pomavilla, Johanna Ayala-Izurieta, Andrés Beltrán-Dávalos   +4 more
doaj   +1 more source

Hepatic Glycogen Storage Diseases in Brazil: A Multicenter Study

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT To describe clinical and laboratory characteristics, emphasizing the evolution of patients with hepatic glycogen storage diseases (GSDs) followed in Brazilian reference centers. Multicenter, retrospective study involving 13 centers, using RedCap platform. 132 patients were included: 63 (47.8%) GSD type I (56 Ia, 7 Ib), 13 (9.8%) with type III (
Mariana Pena Costa, Alexandre Rodrigues Ferreira, Adriana Teixeira Rodrigues, Rodrigo Rezende Arantes, Thais Costa Nascentes Queiroz, Elisa de Carvalho, Gilda Porta, Irene Kazue Miura, Maria Tereza Galvão Guiotti, Rafaella Karen Sousa Monterlei, Adriana Maria Alves de Tommaso, Gabriel Hessel, Maria Ângela Bellomo‐Brandão, Roberta Vacari de Alcantara, Maria Julia Rodrigues Teixeira de Araujo, Daniela Góis Meneses, Regina Sawamura, Cibele Dantas Ferreira Marques, Lucas Rocha Alvarenga, Marise Helena Cardoso Tofoli, Ana Cristina Vieira de Melo, Jussara Melo de Cerqueira Maia, Leticia Helena Caldas Lopes, Eleonora Druve Tavares Fagundes   +23 more
wiley   +1 more source