Results 31 to 40 of about 125,053 (230)

La problemática del mantenimiento en los rellenos de la línea de alta velocidad Madrid-Sevilla

Informes de la Construccion, 1992
El comportamiento de los rellenos en una línea de Alta Velocidad es importante, tanto desde el punto de vista de la comodidad del viajero, como de la seguridad de rodadura de los vehículos ferroviarios; de ahí, la importancia del seguimiento de su ...
Julio Barcones Mingueza, Eduardo Pradera
doaj   +1 more source

Assessment of Soil Erosion Over Six Decades in a Long‐Term Experiment Using Fallout 137Cs and RUSLE: A South American Case Study

Land Degradation &Development, EarlyView.
ABSTRACT Soil erosion remains a major global concern affecting agricultural productivity and land sustainability. This study investigates the magnitude and variability of soil erosion in a long‐term experiment (LTE) established in 1963 in Colonia, Uruguay, aiming to compare the performance of the 137Cs tracer technique and the RUSLE model across ...
Marcos Tassano, Mirel Cabrera, Joan Gonzalez, Mario Perez‐Bidegain, Olivier Evrard, Kathrin Grahmann, J. Andrés Quincke   +6 more
wiley   +1 more source

Las estaciones en la línea de alta velocidad española

Informes de la Construccion, 1992
Con una breve descripción de las estaciones de Madrid-Atocha, Ciudad Real, Puertollano, Córdoba y Sevilla se pretende proporcionar al lector una visión de los aspectos más relevantes de estos centros de conexión del viajero con los trenes de AVE.
Julio Barcones Mingueza, Alfonso González   +1 more
doaj   +1 more source

Quantifying temporal dynamics of greenhouse gas emissions in lake mesocosms: Deployment of a low‐cost measurement system

Limnology and Oceanography: Methods, EarlyView.
Abstract Greenhouse gas (GHG) emissions from freshwater ecosystems contribute significantly to global carbon budgets, yet they remain poorly constrained due to limited high‐frequency measurements. We tested a low‐cost, high‐frequency GHG measurement system in a long‐term mesocosm experiment in Lemming, Denmark, over a 7‐month period, focusing on CO2 ...
Tuba Bucak, Eti Ester Levi, Claus Melvad, Jianming Deng, Mikhail Mastepanov, Robert Ladwig, Thomas Alexander Davidson   +6 more
wiley   +1 more source

Provisión de infraestructura de transporte en América Latina: experiencia reciente y problemas observados [PDF]

, 2005
Incluye BibliografíaResumen Existe una relación positiva entre la provisión de infraestructura y el crecimiento económico y por ende, el rol de la infraestructura de transporte es preponderante.
Wilmsmeier, Gordon, Sánchez, Ricardo
core  

Análisis funcional de la infraestructura peatonal en el centro histórico de la Ciudad de Matanzas, Cuba

, 2022
Urban mobility has undergone significant changes due to the new social distancing requirements in a COVID-19 scenario. The existence of the new tourism product requires, among other issues, that the urban infrastructure services, and especially regarding
Marqués León, Maylín, Quesada Somano, Alina Karla, Pancorbo Sandoval, José Armando, Sánchez Suárez, Yasniel, Santos Pérez, Orlando   +4 more
core   +1 more source

Does Carbon Intensity Affect the Cost of Equity? An Empirical Study From Mexico

Sustainable Development, EarlyView.
ABSTRACT Climate change poses significant risks for companies, particularly in emerging countries like Mexico, where sustainability perceptions are evolving. This study analyzes how carbon emissions affect the cost of equity capital (CoE) for Mexican firms.
Guillermo Pérez‐Elizundia, Ricardo Cristhian Morales Pelagio, Jesús F. Lampón   +2 more
wiley   +1 more source

Gateway-Free LoRa Mesh on ESP32: Design, Self-Healing Mechanisms, and Empirical Performance

Sensors
LoRa is a long-range, low-power wireless communication technology widely used in Internet of Things (IoT) applications. However, its conventional implementation through Long Range Wide Area Network (LoRaWAN) presents operational constraints due to its ...
Danilo Arregui Almeida, Juan Chafla Altamirano, Milton Román Cañizares, Pablo Palacios Játiva, Javier Guaña-Moya, Iván Sánchez   +5 more
doaj   +1 more source

Sensory quality of virgin olive oils coming from olive varieties produced in Extremadura (Spain)

Grasas y Aceites, 2006
Abencor system of olives sampled in 2000 - 01 of the Cacereña, Carrasqueña, Cornezuelo, Corniche, Morisca, Picual and Verdial de Badajoz varieties in different stages of ripeness have been evaluated.
Jacinto Sánchez Casas, Concepción De Miguel Gordillo, Emilio Osorio Bueno, Julia Marín Expósito, Lourdes Gallardo González, Manuel Martínez Cano   +5 more
doaj   +1 more source

Comprehensive framework for assessing and optimizing existing research networks

Conservation Biology, EarlyView.
Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East, Jitendra Kumar, William Hargrove   +2 more
wiley   +1 more source