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Comparative Study Of Conventional And Sbci Cardboard Solar Ovens
(Elsevier, 1992)Two folding and light solar ovens designed and constructed by Solar Box Cookers International (SBCI), Sacramento, U.S.A., have been studied experimentally. Furthermore, their performance is com pared with standard two ... -
Comparative study of the karyotypes of South American species of Araucaria
(American Genetic Association, 1984)Root tips of both Araucaria araucana (Mol.) Koch and Araucaria angustifolia (Bert.) O. Ktze. were used as sources of mitotic chromosomes. Both species have 26 chromosomes as the diploid number, consisting of 13 pairs of ... -
Comparing body condition score and FAMACHA© to identify hair-sheep ewes with high faecal egg counts of gastrointestinal nematodes in farms under hot tropical conditions
(Elsevier B.V., 2018-08-16)Data from a targeted selective treatment (TST) survey in three sheep farms was used to compare body condition scores (BCS) ≤ 2 and FAMACHA© scores ≥4 or ≥3 as criteria to identify ewes with ≥ 750 eggs per gram of faeces ... -
Comparison of Agar Gel Immunodiffusion Test, Enzyme-linked Immunosorbent Assay and Western Blotting for the Detection of BLV Antibodies
(Blackwell, 1999-10)An indirect enzyme-linked immunosorbent assay (ELISA) for the diagnosis of bovine leukaemia virus (BLV) infection was developed and compared with the agar gel immunodiffusion test (AGIDT). Western blotting (WB) was used ... -
Comparison of amino acid profiles of feeds and fish as a quicic metiiod for selection of feed ingredients: a case study for Colossoma mactopomum (Cuvier)
(John Wiley & Sons, 1996)The amino acid profile of Colossoma macropomum was determined. Indispensable amino acid levels were sim ilar to those reported in other fish species. Suitability of local. Costa Rican, ingredients as protein sources for ... -
Comparison of competitive enzyme-linked immunosorbent assay and serum neutralization test for the detection of antibodies to vesicular stomatitis virus (New Jersey and Indiana serotypes) in equines from Costa Rica
(Universidad Nacional, Costa Rica, 2014)A competitive enzyme-linked immunosorbent assay (c-ELISA) was compared to the serum neutralization test (SNT) for the detection of antibodies against vesicular stomatitis virus, New Jersey (VSV-NJ) and Indiana (VSV-IN) ... -
Comparison of fatty acids profile of the gonads and eggs of Lutjanus guttatus(Perciformes: Lutjanidae) obtained from wild and captive broodstock
(Universidad Nacional (Costa Rica), 2020-01)The proportions of fatty acids present in eggs and gonads of wild and captive Lutjanus guttatus(Steindachner, 1869) were evaluated to assist in obtaining nutritional information necessary to ... -
Comparison of land use change in payments for environmental services and National Biological Corridor Programs
(Elsevier, 2017-04-20)Costa Rica established the National Biological Corridors Program in 2006. Within the framework of the National Program for Biological Corridors, the long-standing Biological Corridor, the long-standing Payment for Environmental ... -
Comparison of the antibody response in adult cattle against different epitopes of Brucella abortus lipopolysaccharide
(Blackwell, 2001)The comparison of serological responses in a sample of adult, vaccinated and held-infected bovines with Brucella abortus is reported. Indirect enzyme immunoassav (EIA) titration curves and Western blotting tests for ... -
Comparison of the attitudes of adolescents according to sex and school level towards physical education
(Universidad Nacional, Costa Rica, 2019)Presenta un análisis sobre las actitudes de los adolescentes de tercer ciclo de la educación general básica hacia la educación física, de acuerdo a nivel de escolaridad y género, utilizando el Cuestionario de Actitudes ... -
Comparison of the attitudes of adolescents according to sex and school level towards physical education
(Universidad Nacional, Costa Rica, 2019-10-16) -
Comparison of the serum neutralization test and a competitive enzyme-linked immunosorbent assay for the detection of antibodies to vesicular stomatitis virus New Jersey and vesicular stomatitis virus Indiana
(AAVLD, 2002-05-01)A competitive enzyme-linked immunosorbent assay (C-ELISA) for the detection of antibodies against vesicular stomatitis virus New Jersey (VSV-NJ) and vesicular stomatitis virus Indiana (VSV-IN) was compared with the serum ... -
Comparison of Two Cold Water Immersions Protocols on Psychological Variables of Recovery
(American College of Sports Medicine, 2019-02)In sport, recovery is a multifactorial process and one modality commonly recommended for athletes is cold water immersion (CWI). Few studies, have analyzed the psychological effects of CWI protocols, specifically with ... -
Compartir audios e imágenes en Whatsapp
(Universidad Nacional, Costa Rica, 2022)Presentación de diapositivas donde se explica como compartir audios e imágenes en WhatsApp -
Compendio de arreglos corales de canciones originarias de Santa Cruz, Guanacaste para la educación secundaria.
(Universidad Nacional, 2021-03)La música coral en el territorio nacional ha tenido gran importancia, auge, crecimiento y desarrollo en Costa Rica desde el año 1974. Con la llegada al país de Marco Dusi, fundador del Coro Sinfónico y años más tarde con ... -
La competencia argumentativa a partir del uso de los conectores discursivos, en textos de estudiantes universitarios de primer ingreso del Centro de Estudios Generales (CEG) de la Universidad Nacional
(Universidad Nacional, Costa Rica, 2013-12-31)Este ensayo revela las debilidades discursivas en relación con la competencia argumentativa y con el uso de conectores discursivos en el estudiantado de primer ingreso del Centro de Estudios Generales (CEG) de la Universidad ... -
La competencia docente “Mirada profesional” de seis profesores de matemática en formación inicial de la Universidad Nacional, desde la descripción de los conocimientos que manifiestan cuando observan situaciones de enseñanza-aprendizaje relacionadas con los conceptos básicos de función
(Universidad Nacional (Costa Rica), 2021)La presente investigación tuvo como principal objetivo analizar la competencia docente “Mirada profesional” de seis profesores de matemática en formación inicial de la Universidad Nacional, a partir de la descripción de ... -
Competencias Básicas. Las Competencias Científicas en Estudiantes de Secundaria de (Mendoza) Argentina y (San José) Costa Rica
(Organización de Estados Iberoamericanos, 2021)Una de las más fuertes premisas que se manejan en la actualidad, es que la sociedad organiza los procesos educativos formales para integrar a todos sus miembros en la construcción de la tradición científica-cultural para ...