Browsing A) Producción científica UCSC by Title
Now showing items 905-924 of 1816
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Heterogeneous catalytic ozonation of benzothiazole aqueous solution promoted by volcanic sand
(2008-05-30)This paper presents experimental results on the catalytic effect of volcanic sands on benzothiazole ozonation. Experiments were assessed at laboratory scale, in a differential circular flow reactor composed of a volcanic ... -
Heterogeneous sonocatalytic activation of peroxomonosulphate in the presence of CoFe2O4/TiO2 nanocatalysts for the degradation of Acid Blue 113 in an aqueous environment
(2020-10)CoFe2O4 nanoparticles with band gap of 1.5 eV have excellent magnetic properties but poor catalytic degradation of Acid Blue (AB113) under ambient conditions due to the rapid recombination of electronic charges. To prevent ... -
Hidrocarburos lineales como marcadores en el sedimento de procesos naturales y contaminación
(2008)Los hidrocarburos del tipo n-alcanos son moléculas orgánicas que en condiciones naturales constituyen la fracción dominante de los hidrocarburos en los sedimentos marinos. Provienen de la biosíntesis de microalgas, ... -
High genetic diversity and low-population differentiation in the Patagonian sprat (Sprattus fuegensis) based on mitochondrial DNA
(2018)The Patagonian sprat, Sprattus fuegensis, is a small pelagic marine fish that inhabits the continental shelf along the coasts of Chilean Patagonian and Argentina, a distribution that was highly impacted during the Last ... -
High prevalence of food insecurity and factors associated with Haitian immigrants in Southern Chile
(2019-12)The objective was to determine the association between sociodemographic factors and food insecurity (FI) in Haitian immigrants in southern Chile. An analytical cross-sectional design was used. The sample consisted of ... -
Highly sensitive and selective detection of glutathione using ultrasonic aided synthesis of graphene quantum dots embedded over amine-functionalized silica nanoparticles
(2022)Glutathione (GSH) is the most abundant antioxidant in the majority of cells and tissues; and its use as a biomarker has been known for decades. In this study, a facile electrochemical method was developed for glutathione ... -
Hipnosis anestésica inducida por profesional de Enfermería. Reporte de un caso
(2019-04)Introducción: La hipnosis anestésica puede ser un recurso útil para procedimientos dolorosos. Desarrollo: Se reporta caso de una joven que requiere exodoncia de terceros molares, con uso de hipnosis como único anestésico. ... -
La hipnosis clínica en el cuidado del paciente con cáncer
(2006)La hipnosis como herramienta terapéutica ofrece al profesional de Enfermería una comprensión distinta de los procesos vividos por los pacientes oncológicos y sus familias, permitiéndole intervenir de manera más efectiva ... -
Hipnosis clínica para mejorar la disposición a la curación de un paciente en la unidad de cuidados intensivos
(2016-02-29)En el presente artículo se revisa el caso de una persona adulta hospitalizada en una unidad de paciente crítico, quien ha evolucionado con agitación durante la estadía hospitalaria y que requiere curación de úlceras por ... -
Hipnosis en un caso de ansiedad
(2008-05-07)En el presente artículo se analiza por pasos el abordaje de enfermería a través de hipnosis del caso de un estudiante universitario de tercer año, que presentó un bloqueo mental durante un examen oral al finalizar un ... -
Historia y escatología en el Liber floridus de Lamberto de Saint-Omer
(2019)El presente artículo tiene por objetivo analizar el corpus de textos históricos que Lamberto de Saint-Omer incluyó en su enciclopedia titulada Liber floridus (1121). Con la ayuda de los manuscritos Gantes, Bibl. Univ., ... -
Historical allopatry and secondary contact or primary intergradation in the Puerto Rican crested anole, Anolis cristatellus, on Vieques Island in the Caribbean
(2020-01)Recent work has revealed surprisingly deep mitochondrial genetic divergence in the lizard Anolis cristatellus among samples obtained from the small Caribbean island of Vieques. Here we sought to determine whether this had ... -
Historical and contemporary diversity of galaxiids in south america: biogeographic and phylogenetic perspectives
(2020-08)Galaxiid fishes from South America are represented by three genera (Aplochiton, Brachygalaxias and Galaxias) and eight species. Their genetic patterns have been studied over the last two decades to disentangle how historical ... -
Holographic Weyl anomaly for GJMS operators: one Laplacian to rule them all
(2019-02-27)The holographic Weyl anomaly for GJMS operators (or conformal powers of the Laplacian) are obtained in four and six dimensions. In the context of AdS/CFT correspondence, free conformal scalars with higher-derivative kinetic ... -
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) III. Atmospheric structure of the misaligned ultra-hot Jupiter WASP-121b
(2020-04)Ultra-hot Jupiters offer interesting prospects for expanding our theories on dynamical evolution and the properties of extremely irradiated atmospheres. In this context, we present the analysis of new optical spectroscopy ... -
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS): IV. A spectral inventory of atoms and molecules in the high-resolution transmission spectrum of WASP-121 b
(2020-09-18)Context. WASP-121 b is a hot Jupiter that was recently found to possess rich emission (day side) and transmission (limb) spectra, suggestive of the presence of a multitude of chemical species in the atmosphere. Aims. ... -
Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS)? V. Detection of sodium on the bloated super-Neptune WASP-166b
(2020-07-06)Planet formation processes or evolution mechanisms are surmised to be at the origin of the hot Neptune desert. Studying exoplanets currently living within or at the edge of this desert could allow disentangling the respective ... -
How do chilean pre-service teachers correct errors in writing?
(2018-06)Most research on error correction has dealt with feedback strategies used in the classroom and the effect of these strategies on students’ performance. However, not much research has been conducted on pre-service teachers’ ... -
How do spatiotemporal parameters and lower-body stiffness change with increased running velocity? a comparison between novice and elite level runners
(2019-11)This study aimed to examine the effect of running velocity on spatiotemporal parameters and lower-body stiffness of endurance runners, and the influence of the performance level on those adaptations. Twenty-two male runners ... -
How do the ownership structure and board of directors' features impact earnings management? the spanish case
(2020-01-07)This paper examines how the ownership structure and board of directors' features determine the managerial opportunistic behavior exemplified in the management of accounting earnings. This study contributes to the literature ...