Results 31 to 40 of about 7,011 (211)
International Journal of Finance &Economics, EarlyView.ABSTRACT One of the critical risks associated with cryptocurrency assets is the so‐called downside risk, or tail risk. Conditional Value‐at‐Risk (CVaR) is a measure of tail risks that is not normally considered in the construction of a cryptocurrency portfolio.
Xinran Huang +3 more
wiley +1 more source
Seguimiento ambulatorio de pacientes alcohólicos
Revista de Ciencias Médicas de Pinar del Río, 2015 Introducción: la atención del paciente alcohólico, constituye un reto en lo referente a garantizar la imprescindible disposición de ayuda, actitud sin la cual resultaría improbable el logro de los objetivos. Objetivo: determinar las características de la
Adalberto Montanet Avendaño +3 more
doaj
The Military Forces as an instrument of the socialization of the State
Revista Científica General José María Córdova, 2019 Most states continue building their Armed Forces with the premise of providing security for their citizens. This current process has motivated discussions from favorable and opposing positions.
Fabian Ricardo Giraldo Chaparro
doaj +1 more source
Oikos, EarlyView.Grasslands, by definition, are dominated by graminoids. Nevertheless, forbs also make up a substantial part of vascular plant diversity in grasslands and are important resources of mammalian herbivores. However, forb recruitment is constrained by successful dominant graminoids, limiting access to safe sites for germination.
Gerardo Celis +5 more
wiley +1 more source
Proteins: Structure, Function, and Bioinformatics, EarlyView.ABSTRACT We present the first x‐ray crystallographic structural evidence of an archaeal DNA ligase showing the AMP covalent adduct together with further cofactor hydrolysis, capturing a transient intermediary in the first step of the ligation reaction, triggered by the pyrophosphate hydrolysis.
A. X. Quintana‐Armas +3 more
wiley +1 more source
steel research international, EarlyView.Laser welding of duplex stainless steel disrupts phase balance, promotes nitride precipitation, and reduces fatigue resistance. Postweld heat treatment restores austenite and dissolves nitrides, but the resulting crystallography and phase morphology still impair fatigue performance.
Aparecida Silva Magalhães +6 more
wiley +1 more source
Melanoma nodular en borde de pie
Revista de Ciencias Médicas de Pinar del Río, 2014 Introducción: el melanoma cutáneo es un tumor maligno originado en los melanocitos, cuya incidencia y mortalidad han aumentado en las últimas décadas. Es la causa más frecuente de muerte entre las enfermedades cutáneas, y responsable del 75% de éstas. La
Carlos Alberto Blanco Córdova
doaj
Revista Criminalidad, 2018 El perito en balística de la Policía Nacional de Colombia, dentro de sus funciones, realiza el procedimiento de cotejo microscópico de vainillas y proyectiles disparados con armas de fuego, dentro del cual se encuentra el análisis de las características
José G. Forero C. +5 more
doaj +1 more source
CAAI Transactions on Intelligence Technology, EarlyView.ABSTRACT Accurately predicting line loss rates is crucial for effective management in distribution networks, particularly for short‐term multihorizon forecasts ranging from 1 hour to 1 week. In this study, we propose attention‐GCN–LSTM, a novel method that integrates graph convolutional networks (GCN), long short‐term memory (LSTM) and a three‐level ...
Jie Liu +4 more
wiley +1 more source
Mastocitosis. Presentación de un caso
Revista de Ciencias Médicas de Pinar del Río, 2013 La mastocitosis o mastocitoma es una genodermatosis poco frecuente, de etiología desconocida, incluida en el grupo de "enfermedades raras", que aparece en la infancia generalmente.
Carlos Alberto Blanco Córdova
doaj