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Cuadernos de Investigación UNED
Print version ISSN 1659-4266

 

Table of contents
Cuadernos de Investigación UNED vol.10 n.2 Sabanilla, Montes de Oca Jul./Dec. 2018

 Artículos
  
 ·  New model for Physics tutorials and its effect on student performance at a distance university in Costa Rica
Herrero-Villarreal, Diana; Calderón Badilla, Yency; Jiménez, Carmen Andrés

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Competency level of teachers in the Agroindustry chair in a distance university
Jiménez, Carmen Andrés; Alfaro Azofeifa, Jacqueline

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Use of industrial waste in prenursery stage of oil palm (Elaeis guineensis, Arecaceae) production: growth and nutrient uptake
Madrigal-Valverde, Ángel; Garbanzo-León, Gabriel

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Distribution and seasonal abundance of Anopheline mosquitoes and their association with rainfall around irrigation and non-irrigation areas in Nigeria
Amaechi, Ebube Charles; Ukpai, Onyinye Mkpola; Ohaeri, Carmelita Chima; Ejike, Uzoamaka Blessing; Irole-Eze, Ozioma Prisca; Egwu, Onyekachi; Nwadike, Chidiogo Comfort

        · abstract in English | Spanish     · text in English     · English ( pdf )
  
 ·  Histopathological markers of environmental stress in the fish Odonthestes bonariensis (Atheriniformes, Atherinopsidae) in two reservoirs of Argentina
Leone, Oscar L.; Valdecantos, Soledad; Martínez, Virginia H.

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 Note
  
 ·  A velvet worm (Onychophora: Peripatidae) feeding on a free ranging spider in Sierra Llorona, Panama
González, Macario; Sosa-Bartuano, Ángel; Monge-Nájera, Julián

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 Artículos
  
 ·  In vivo enzyme activity and induction of DNA damage in Swiss albino male mice by automobile waste leachate
Anifowoshe, Abass Toba; Iyiola, Oluyinka Ajibola; Olafimihan, Temitope Fatima; Oladipo, Segun Olayinka; Yakubu, Sunday Frank; Abubakar, Thuwaibat Oyiyoza; Bakare, Rukayat Ifedolapo; Akinseye, Kehinde Monica; Sulaiman, Faoziyat Adenike

        · abstract in English | Spanish     · text in English     · English ( pdf )
  
 ·  The genus Liocanthydrus in Venezuela (Coleoptera: Noteridae) with description of two new species
García R., Mauricio M.; Camacho M., Jesús A.; Poleo S., Nedy C.

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  The Genus Crenitulus in Venezuela (Hydrophilidae: Chaetarthriinae: Anacaenini) with description of twelve new species
García, Mauricio

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Bio-optimization of compost with cultures of mountain microorganisms (MM) and digested sludge from bio-digester (LDBIO)
Camacho Céspedes, Fabricio; Uribe Lorío, Lidieth; Newcomer, Quint; Masters, Karen; Kinyua, Maureen

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Aula en el Bosque, an environmental education program for the Costa Rican tropical forest: effect on students and teacher opinions
Salazar-Acuña, Esteban; López-García, Yesenia

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Maize landraces of Guanacaste, Costa Rica: grain characterization
Oreamuno-Fonseca, Patricia; Monge-Pérez, José Eladio

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Absence of a molecular structural effect on the thermodynamic properties of several biodiesel materials
Alvarado-Montero, Hermes R.; Monge-Montero, Carmen; Vargas, María Sol; Lutz, Giselle; Mata-Segreda, Julio F.

        · abstract in English | Spanish     · text in English     · English ( pdf )
  
 ·  Morphogenetic responses of cuttings and in vitro plants of Vanilla planifolia (Orchidaceae) during initial development in greenhouse and agroforestry systems
Azofeifa-Bolaños, José Bernal; Rivera-Coto, German; Paniagua-Vásquez, Amelia; Cordero-Solórzano, Roberto

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Distribution and abundance of mosquito larvae in Ohafia, Abia State, Nigeria
Egwu, Onyekachi; Ohaeri, Carmelita C.; Amaechi, Ebube C.; Ehisianya, Collins N.

        · abstract in English | Spanish     · text in English     · English ( pdf )
  
Predation of the scorpion Centruroides bicolor by the Scorpion Eater Snake, Stenorrhina degenhardtii (Squamata: Dipsadidae)
Solórzano, Alejandro

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 Artículos
  
 ·  Quantification by atomic absorption of Cu, Fe and Zn in distilled alcohol and water
López, Esteban Pérez; Rodríguez, Diana Carlina Alvarado

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Composition of the community, population structure, reproductive status and habitat use of rodents in a poultry farm in Costa Rica
Monge, Javier; Sánchez, Carol

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  First record of the highfin goby Gobionellus oceanicus (Gobiiformes: Gobiidae) in Costa Rican freshwaters
Álvarez, Francisco S.; Herrera, Derick; Angulo, Arturo

        · abstract in English | Spanish     · text in English     · English ( pdf )
  
 ·  Pollution and reduction of the El Laguito reservoir, Costa Rica, by urban waters: survey and physical-chemical properties
Chassoul Acosta, María José; Rodríguez-Arias, Cindy

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Optimal time and dose of fluoxymesterone, for masculinization of Mayan fish Cichlasoma urophthalmus (Percidae: Cichlidae)
Gutiérrez-Sigueros, Irma; Cuenca-Soria, Carlos A.; Navarro-Angulo, Leonardo I.; Maldonado-Enríquez, Emilio J.; Melgar-Valdes, Carolina E.; Castillo-Domínguez, Alfonso

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Production and reproduction of cows; Holstein, Jersey and their crossbreed, in five locations of Costa Rica
Blanco, Jose Pablo Gonzáles; WingChing-Jones, Rodolfo

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Herd structure, and nutritional, sanitary, reproductive and environmental management of Iberoamerican horses in Costa Rica
Mora, Grethel Solano; WingChing-Jones, Rodolfo

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  A wildfires vulnerability model for Guanacaste Conservation Area, Costa Rica.
Vargas-Sanabria, Daniela; Campos-Vargas, Carlos

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Neighbors’ opinion on the use of a farm acquired by a public university for socio-environmental purposes: the case of Los Llanos, Costa Rica.
Villalobos, Verónica Bonilla

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Impact and biorefinery opportunities for agricultural waste of the cultivation of pineapple (Ananas comosus) in Costa Rica
Hernández-Chaverri, Rodolfo A.; Barragán, Lilia Arely Prado

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  
 ·  Antimicrobial activity evaluation of residual orange oil.
Castañeda-Antonio, Dolores; Rivera-Tapia, Antonio; Choy-Flores, Esther; Munguía-Pérez, Ricardo; Portillo-Reyes, Roberto; Muñoz, Jesús

        · abstract in English | Spanish     · text in Spanish     · Spanish ( pdf )
  

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