Results 31 to 40 of about 1,301,593 (299)
Reactivity of Mo2C/Mo(100) toward oxygen: LEIS, AES, and XPS study [PDF]
Surface Science, 2004 Abstract Ion scattering spectroscopy (LEIS) was used in conjunction with X-ray photoelectron (XPS) and Auger electron spectroscopies (AES) for the study of the structure and the reactivity of surface Mo2C prepared on Mo(1 0 0). At 1265 K the carbide phase transformed into an oxide layer in the presence of O2.
Óvári László +3 more
openaire +3 more sources
Efectos del Acto Legislativo 001 de 2005 en el régimen de transición del Sistema General de Pensiones [PDF]
, 2016 Artículo de investigaciónLa protección que brinda la seguridad social ha hecho parte de las conquistas sociales y los desarrollos del Estado quien debe encargarse para su concreción, de la construcción de una estructura que permita el aseguramiento del ...
Díaz-Jiménez, Wilson Leonardo
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The Anatomical Record, EarlyView.Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley +1 more source
Revista Facultad de Odontología Universidad de Antioquia, 1999 By 1993 was made the h:rst colambian health and sodal welfare amend, better Know as "Ley100". This- amend broke the old health service °utiliza The new interpretado.n ofhealth Jaws has affected the priva te medica] and odontologicalpractice.
Jaime Castro-N. +4 more
doaj
Pensiones y sindicalismo en Colombia [PDF]
, 2016 89 p.El presente libro no pretende ser un manual de seguridad social, sino una investigación que enfrenta la siguiente pregunta: ¿han perdido los trabajadores colombianos sindicalizados su poder de negociación frente a la posibilidad de pensionarse con ...
Valero-Rodríguez, Óscar Miguel
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Animal Research and One Health, EarlyView.The effects of restricted nursing (RN) and the administration of a bovine appeasing substance (BAS) on days −8 and 0 in relation to weaning were evaluated. Both strategies were effective in improving the growth performance of beef calves. Regarding welfare, BAS ‐especially on day 0‐ was more effective than RN.
Denise E. Mussalafo +8 more
wiley +1 more source
Nitrate leaching and spring wheat bread making quality following cultivation of grasslands of different composition, age and management [PDF]
, 2006 The influence of sward botanical composition and ley age on grassland residual effects, quality of spring wheat and subsequent nitrate leaching was investigated.
Eriksen, J. +2 more
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Animal Research and One Health, EarlyView.Gastrointestinal nematode infections damage the gastrointestinal epithelial tissues of ruminants, affecting nutrient utilization and overall production performance. This review outlines host‐gastrointestinal nematode interactions and discusses integrated control strategies, including nutritional supplementation, grazing management, vaccines, and ...
Wenxun Chen +5 more
wiley +1 more source
Evaluation of Toxicity of Green Tea Extract in Chilled Boar Sperma
Journal of Animal Reproduction and Biotechnology, 2015 The cold shock of spermatozoa is associated with oxidative stress induced by reactive oxygen species. This study was conducted to evaluate the toxicity of natural antioxidant green tea extract (GTE) in lactose-egg yolk (LEY) extender during boar sperm ...
Sang-Hyoun Park , Il-Jeoung Yu
doaj +1 more source
Limitaciones a los principios de igualdad y libre concurrencia en la licitación pública [PDF]
, 2014 El presente artículo analiza los principios de igualdad y libre concurrencia asociados a ésta modalidad contractual, teniendo como referente el artículo 25 de la Ley 100 de 1993.
Pardo Cortes, Marwin Alejandro +1 more
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