Results 71 to 80 of about 184,509 (217)

Optimal Sizing of Hybrid Renewable Microgrids and Performance Evaluation of Electric Boats as an Alternative for River Transport in Colombia’s Pacific Region

Energies
In the Latin American Pacific region, rivers are the primary transportation routes for isolated and non-interconnected areas; however, river transport relies heavily on fossil fuels, resulting in high operating costs, CO2 emissions, and energy dependence.
John Barco-Jiménez, Francisco Eraso-Checa, Héctor Mora   +2 more
doaj   +1 more source

Pastos tropicales mejorados

ECA: Estudios Centroamericanos, 2002
No abstract available. ECA Estudios Centroamericanos, Vol. 57, No. 644, 2002: 563-567.
openaire   +1 more source

PPP‐RTK Atmospheric Correction Generation and Service Applicability: A Case Study During Typhoon Saola and Moderate Geomagnetic Disturbances in Hong Kong

Space Weather, Volume 24, Issue 3, March 2026.
Abstract Complex space weather, such as typhoons and solar activity, can cause heavy rainfall and ionospheric disturbances, affecting the quality of Global Navigation Satellite System (GNSS) signals. Among GNSS positioning techniques, Precise Point Positioning Real‐time Kinematic (PPP‐RTK) uses atmospheric corrections and bias products to achieve fast ...
Jiahuan Hu, Xuanyu Qu, Pan Li, Mengyu Ding, Jiadi Dai, Xiaoli Ding, Wu Chen   +6 more
wiley   +1 more source

Exposition à l'Abbaye d'Arthous à Hastingues (Landes) du 7 octobre au 10 décembre 2006. « Les Magdaléniens à Duruthy, Qui étaient-ils ? Comment vivaient-ils ? » [PDF]

, 2006
Présentation de l'exposition sur les gisments de la falaise du ...
Dachary, Morgane
core   +1 more source

Specific Depressive Symptoms and Primary Tumor Location as Potential Predictors of Smoking Maintenance After Head and Neck Cancer Treatment

Psycho-Oncology, Volume 35, Issue 2, February 2026.
ABSTRACT Background Despite the known benefits of smoking cessation for head and neck cancer (HNC) patients, a significant proportion continue to use tobacco after treatment. Although the causes of this phenomenon are multifactorial, the underlying psychological mechanisms are still poorly understood.
Ana Daniela Spínola‐Silva, Jéssica Soares Bugiga, Bruna Amélia Moreira Sarafim‐Costa, Gabrielle Dias Duarte, Ana Lívia Santos‐Sousa, Rafael Akira Tzanno Murayama, Aline Satie Takamiya, Éder Ricardo Biasoli, Vitor Bonetti Valente, Glauco Issamu Miyahara, Daniel Galera Bernabé   +10 more
wiley   +1 more source

Megadolicocolon de presentación poco usual en un paciente de edad avanzada: a propósito de un caso

Revista Colombiana de Cirugía, 2020
El megadolicocolon es una patología inusual, de etiología no bien esclarecida, tal parece ser de origen congénito, se presenta con frecuencia en recién nacidos y lactantes con vólvulos de colon. Su incidencia es variable y se encuentra entre 1,9 y 28,5 %.
Paulo Francisco Mera-Martínez, Jesús Alexander Rivas-Goyes, José Darío Portillo-Miño   +2 more
doaj   +1 more source

Uso e cobertura das terras na área de entorno do reservatório da Usina Hidrelétrica de Tombos (MG). [PDF]

, 2014
O trabalho mapeia o uso e cobertura vegetal das terras na área de entorno do reservatório da UHE de Tombos. A metodologia utilizada combinou práticas de geoprocessamento, produtos de sensoriamento remoto, sistema de informação geográfica (SIG) e ...
CALDERANO FILHO, B., CALDERANO, S. B., CARVALHO JUNIOR, W., PRADO, R. B.   +3 more
core   +1 more source

Effect of 2-Substitution on the Rearrangement of 1-Cyclopropylvinyl Cations [PDF]

, 1973
2-Substitution in 1-cyclopropylvinyl cations produces a steric effect on cation generation and solvent trapping, but an electronic charge-stabilizing effect on cyclopropyl-to-cyclobutyl ...
Bergman, Robert G., Kelsey, Donald R.
core   +1 more source

Proceso de reconocimiento de la orientación sexual homosexual en estudiantes de una universidad pública

Psicogente, 2019
Objetivo: Analizar con perspectiva propositiva el proceso de reconocimiento de la orientación sexual homosexual en estudiantes gays y lesbianas de una universidad pública de la ciudad de Pasto.
Christian Zambrano Guerrero, Pahola Hernández Pasichaná, Alejandra Guerrero Montero   +2 more
doaj   +1 more source