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Spectral intensities in trivalent lanthanide systems: Applications to the Cs2NaDyCl6 and Cs2NaHoCl6 crystals
(, 2008-08-11)The main goal of this research work is to rationalize the rich vibronic structure of lanthanide type crystals, such as Cs2NaDyCl6 and Cs2NaHoCl6, in the space group Fm3m(Oh5). These systems are known to be highly relativistic ... -
Spectroscopic and photometric study of the eclipsing interacting binary V495 Centauri
(OXFORD UNIV PRESS, 2018)Double Periodic Variables (DPV) are among the new enigmas of semidetached eclipsing binaries. These are intermediate-mass binaries characterized by a long photometric period lasting on average 33 times the orbital period. ... -
Spin-lattice dynamics of surface vs core magnetization in Fe nanoparticles
(AIP Publishing, 2021-07-05)Magnetization of clusters is often simulated using atomistic spin dynamics for a fixed lattice. Coupled spin-lattice dynamics simulations of the magnetization of nanoparticles have, to date, neglected the change in the ... -
Spin-lattice-dynamics analysis of magnetic properties of iron under compression
(NATURE PORTFOLIO, 2023-08-31)Compression of a magnetic material leads to a change in its magnetic properties. We examine this effect using spin-lattice dynamics for the special case of bcc-Fe, using both single- and poly-crystalline Fe and a bicontinuous ... -
Spirometric values in healthy preschool children
(SOC CHILENA PEDIATRIA, 2019)Introduction. Spirometry is the most commonly used test to evaluate lung function. Foreign reference standards are currently available for preschool children. Objectives: 1. To measure spirometric variables in healthy ... -
Spring-Summer Drought Induces Extremely Low Radial Growth Reactions in North-Tyrrhenian Pinus pinea L.
(Universidade Federal Rural do Rio de Janeiro, Instituto de Florestas, 2020)Climate projections predict shifts in environmental conditions, with cascade effects on forest growth dynamics. As such, Pinus pinea L., an ecologically important low-elevation Mediterranean tree, can be threatened by ... -
Stable and unstable trajectories in a dipolar chain
(AMER PHYSICAL SOC, 2021-05-27)In classical mechanics, solutions can be classified according to their stability. Each of them is part of the possible trajectories of the system. However, the signatures of unstable solutions are hard to observe in an ... -
Stages and transitions in the development of tooth brushing skills in children of Mexican immigrant families: a qualitative study
(CIENCIAS, 2015)Objectives: Compared with white children, the oral health of Latino children in the United States is much worse. One factor contributing to oral health is tooth brushing. Few studies have addressed the formation of the ... -
Stages of change in the purchase of ultra-processed snacks among university students after the implementation of the chilean food law; a multi-center study
(ARCHIVOS LATINOAMERICANOS NUTRICION, 2021-05-23)The Objective is to determine the stages of change in the behavior of university students regarding the purchase of ultra-processed snacks consumed. Multi-center study (14 Chilean universities). The participants (4,807 ... -
State of health in the European Union: A European Health Index
(Chile. Universidad Mayor, 2019)Introduction: In this paper we propose an index to measure the state of health of the 28 countries of the European Union. Material and methods: Using the Principal Components Analysis method, we construct the European ... -
Stg fimbrial operon from S. Typhi STH2370 contributes to association and cell disruption of epithelial and macrophage-Like cells.
(Facultad de Ciencias, 2015)Salmonella enterica serovar Typhi (S. Typhi) stg operon, encoding a chaperone/usher fimbria (CU), contributes to an increased adherence to human epithelial cells. However, one report suggests that the presence of the Stg ... -
Stgo style(s) 6 tribus urbanas en la capital
(Chile Universidad Mayor. Escuela de Diseño, 2009)Stgo. Style(s). El nombre del proyecto, alude a una de las constantes que se repite en el fenómeno de las tribus urbanas locales: la importación de estilos. Por un lado, hacer énfasis en que el estudio fue llevado a cabo ... -
Sticker urbano: objetos de intervención gráfica
(Chile. Universidad Mayor, 2007)Proyecto que consiste en desarrollar una página web como plataforma para mostrar al mundo al movimiento del Sticker Urbano en Chile. Idea que nace de la necesidad de registrar un movimiento gráfico creciente en nuestro ... -
Stimulated Raman adiabatic control of a nuclear spin in diamond
(American Physical Society, 2017)Coherent manipulation of nuclear spins is a highly desirable tool for both quantum metrology and quantum computation. However, most of the current techniques to control nuclear spins lack fast speed, impairing their ... -
Stochastic simulation of multiscale complex systems with PISKaS: A rule-based approach
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2018)Computational simulation is a widely employed methodology to study the dynamic behavior of complex systems. Although common approaches are based either on ordinary differential equations or stochastic differential equations, ... -
Stock returns and liquidity risk in Chile
(UNIV AUTONOMA CARIBE-UAC, 2019)This study analyzes the impact of liquidity risk on the return of shares in the Chilean stock market during the period from January 2000 to July 2018. Many studies have focused on measuring this effect in developed markets ... -
Storage and retrieval of interacting photons in a Rydberg medium
(AMER PHYSICAL SOC, 2019)Storing interacting photons in ensembles of highly excited Rydberg atoms makes it possible to realize photon-photon gates. The efficiency of stopping and retrieving pairs of single-photon pulses in any Rydberg medium is, ...