Results 61 to 70 of about 141,283 (195)

Tensión de paso admisible en instalaciones de alta tensión

open access: yes, 2018
Para estudiar la seguridad de las instalaciones de alta tensión es necesario calcular la tensión de paso admisible para ver si se supera en algún punto de la instalación y corregir esa situación.
Roldán-Porta, Carlos   +1 more
core  

Estimación de patrones de hundimientos en tensión con el algoritmo k-means y agrupación de zonas de falla en redes de alta y media tensión [PDF]

open access: yes, 2011
En este artículo se propone el uso del algoritmo K-means para identificar patrones de hundimientos en tensión y agrupar zonas de falla con impacto similar en redes de alta y media tensión. La metodología propuesta comprende tres etapas.
Pavas, Andrés   +2 more
core  

White Matter and Perivascular Imaging Changes in Alzheimer's Disease and Cerebral Amyloid Angiopathy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Peak‐width of skeletonized mean diffusivity (PSMD) and diffusion tensor imaging–analysis along the perivascular space (DTI‐ALPS), reflecting white matter integrity and glymphatic function, are altered in Alzheimer's disease (AD).
Debina Laishram   +3 more
wiley   +1 more source

Analysis of Impacts in Electric Power Grids Due to the Integration of Distributed Energy Resources

open access: yesEnergies
In the present article, the impacts that arise in electrical grids due to the integration of distributed energy resources (DER) are identified and analyzed, aiming to provide a basis from which the effects of these new technologies can be considered.
Eduardo Marlés-Sáenz   +3 more
doaj   +1 more source

Impact of Age on the Diagnostic Yield of Routine EEG in People With Childhood or Juvenile Absence Epilepsy: A Cross‐Sectional Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background We aimed to identify the proportion of individuals with a confirmed diagnosis of childhood absence epilepsy (CAE) or juvenile absence epilepsy (JAE) who show a negative routine EEG (rEEG), and to determine the main factors associated with this finding.
Francesco Fortunato   +7 more
wiley   +1 more source

Mechanical properties of rosemary (Rosmarinus officinalis L.) stalks

open access: yesAgronomía Colombiana, 2013
Rosemary is an aromatic herb exported by Colombia. It is a perennial aromatic bush that can grow up to 2 m high. Its leaves are narrow, thin, shiny and strongly scented; the stems are woody and resinous, branched and slightly bitter.
César Andrés Arévalo   +2 more
doaj  

Instalación eléctrica de alta tensión, baja tensión y alumbrado de parcela destinada a 80 viviendas unifamiliares

open access: yes, 2021
[ES] La finalidad del presente proyecto es mejorar y ampliar la Red Subterránea de Media Tensión para distribución de energía eléctrica para suministrar un servicio eléctrico regular a la Urbanización “Calicanto B-II” de Godelleta (VALENCIA ...
Silla Montaner, Luis
core  

Artificial Intelligence–Based Online Symptom Assessment Tools for Systemic Lupus Erythematosus Diagnosis: Patient Perspectives

open access: yesArthritis Care &Research, EarlyView.
Objective The objective of this article is to identify perceptions of patients with systemic lupus erythematosus (SLE) regarding artificial intelligence (AI)–based online symptom assessment tools, and the potential of these tools to address diagnostic barriers.
Olivia A. Stein   +7 more
wiley   +1 more source

11-S: The Overflows of The New Global Empire

open access: yesRevista de Culturas y Literaturas Comparadas, 2015
Undoubtedly, 9/11 represents a moment of inflection in the history of the United States. With the exception of the invasion of the air space back in time in faraway Pearl Harbour, the United States had never been the object of attacks in its territory. 9/
Miriam Carballo
doaj  

Textura y Estrés: las aplicaciones olvidadas de la Difracción de Rayos X en materiales

open access: yesRevista de Química, 2020
La cristalografía de rayos X resulta una técnica analítica fundamental para el estudio exhaustivo de la estructura cristalina de los materiales. A pesar de su enorme relevancia tanto a nivel científico como industrial, su cobertura respecto a análisis ...
Aitor Larrañaga Varga
doaj  

Home - About - Disclaimer - Privacy