Results 21 to 30 of about 822,389 (283)

Conocimientos de COVID-19 en estudiantes de la Facultad de Odontología de la Universidad de El Salvador, 2020

open access: yesRevista Minerva, 2022
Objetivo: Evaluar los conocimientos de los estudiantes de la Facultad de Odontología de la Universidad de El Salvador sobre la enfermedad por Covid-19. Materiales y Métodos: Estudio descriptivo transversal realizado con 456 estudiantes en la Facultad de
Guillermo Alfonso Aguirre Escobar   +5 more
doaj   +1 more source

Fuentes alimenticias del vector de la Enfermedad de Chagas Triatoma dimidiata (Hemiptera: Reduviidae) en ambientes domiciliares de la región oriental de El Salvador

open access: yesRevista Minerva, 2019
La enfermedad de Chagas es una infección parasitaria causada por el protozoo flagelado Trypanosoma cruzi, transmitida por triatominos hematófagos, y parásito de varias especies de mamíferos reservorios.
Ana Karla Castillo-Ayala   +7 more
doaj   +1 more source

El Salvador: A Central American Tiger? [PDF]

open access: yes, 2009
El Salvador is becoming an economic success story in Central America. Since the end of the civil conflict in 1992, which left the country in ruins, El Salvador has transformed its economy by implementing a far-reaching liberalization process undertaken ...
Juan Carlos Hidalgo
core  

Differential Item Functioning on the Patient Health Questionnaire 8 by Disease Subtype, Language, Sex, and Age Among People With Systemic Sclerosis: A Scleroderma Patient‐Centered Intervention Network Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective Somatic items used in depression assessments can potentially overlap with symptoms related to physical illness, including systemic sclerosis (SSc). No studies have looked at whether somatic depression items may be influenced by diffuse versus limited SSc disease subtypes, which are associated with varying degrees of symptom presentation.
Sophie Hu   +110 more
wiley   +1 more source

Enhanced Strength and Corrosion Resistance of Ti‐13Nb‐12Ta‐10Zr‐4Sn Alloy by Aging Treatment

open access: yesAdvanced Engineering Materials, EarlyView.
This work systematically investigates the effect of aging treatment on mechanical properties and corrosion behavior of vacuum arc‐melted Ti‐13Nb‐12Ta‐10Zr‐4Sn alloy. Owing to the increased α″ martensite, strength and corrosion resistance were significantly enhanced by aging treatment.
Yuhua Li   +5 more
wiley   +1 more source

Between the Barrio and the City: Pathways of Work among Scavenging Families [PDF]

open access: yes, 2014
In this article, I will reconstruct, through brief stories, some of the traits that characterize the way of life of families in the El Salvador neighborhood, in Buenos Aires, Argentina, go scavenging everyday in Buenos Aires city.
Gorban, Debora
core   +1 more source

Strain Engineering of Magnetoresistance and Magnetic Anisotropy in CrSBr

open access: yesAdvanced Materials, EarlyView.
Biaxial compressive strain significantly enhances magnetoresistance and critical saturation fields in thin flakes of the 2D magnet CrSBr, along all three crystallographic axes. First‐principles calculations link these effects to strain‐induced increases in exchange interactions and magnetic anisotropy.
Eudomar Henríquez‐Guerra   +19 more
wiley   +1 more source

Determinación de Mercurio, Cadmio, Plomo y Arsénico en ríos de la zona minera de la subcuenca del Río Titihuapa, Cabañas, El Salvador, C.A.

open access: yesRevista Minerva, 2018
La subcuenca del río Titihuapa en el departamento de Cabañas alberga parte del vulcanismo Terciario de El Salvador en esa región, y por ende posee una abundancia de minerales.
Carlos Renan Funes-Guadrón   +6 more
doaj   +1 more source

Efecto de la paridad, aborto y padecimientos posparto sobre parámetros reproductivos y productivos en vacas lecheras, en dos ganaderías de Sonsonate, El Salvador

open access: yesRevista Minerva, 2020
La investigación se realizó en dos ganaderías lecheras (ambas colindantes), ubicadas en el departamento de Sonsonate, El Salvador. La ganadería 1 cuenta con 140 vacas en ordeño y la ganadería 2, con 750 vacas en ordeño.
Fátima Lizbeth Gónzalez-de-Evian   +4 more
doaj   +1 more source

Tracking Chart 2010 Hanesbrands, El Salvador [PDF]

open access: yes, 2009
WRC_HanesElSalvador.pdf: 62 downloads, before Oct.
Fair Labor Association
core   +1 more source

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