Tecnología en Marcha - vol.30 issue4

Table of contents
Tecnología en Marcha vol.30 n.4 Cartago Oct./Dec. 2017

Artículos

	· Evaluation of yield and quality of 15 bell pepper (Capsicum annuum L.) genotypes grown under greenhouse conditions in Costa Rica Elizondo-Cabalceta, Esteban; Monge-Pérez, José Eladio · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Determination of nitrites, nitrates, sulfates and phosphates in drinking water as indicators of contamination caused by human activities, in two cantons of Alajuela, province of Costa Rica Bolaños-Alfaro, John Diego; Cordero-Castro, Gloriana; Segura-Araya, Gloriana · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Methods for measurement of fat as a quality indicator in pork carcasses Salazar-Vargas, Ewel Fernando; Brenes-Peralta, Laura Patricia · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Herramienta de monitoreo del Plan GAM 2013-2030, dimensión Urbano-Regional, Cantón Central de Cartago Martínez-Baldares, Tomás; Cordero-Montero, Adriana · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Design process of LED lighting systems energetically autonomous Chacón-Avilés, Rodolfo; Meza-Benavides, Carlos; A.C-Braga, Henrique; S.-Almeida, Pedro; G.-Casagrande, Cristiano · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Effect of planting density on yield and quality of fruits of two genotypes of eggplants (Solanum melongena L.) grown under greenhouse conditions in Costa Rica Arguedas-García, Cristina; Monge-Pérez, José Eladio · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· DSLS: Diagnostic System of Learning Styles Oriented to Web Training Environments Palomino-Hawasly, Miguel Ángel; Culchac de la Vega, Ali; Rangel-Vellojin, Julio · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Implementation of a method for the determination of sodium in parenteral solutions by flame photometry Pérez-López, Esteban; Rojas Alvarado, Priscilla · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Energy pot&ial of the rural area of “La Libertad” departm& (Peru) produced by biogas obtained from human waste Linares-Lujan, Guillermo Alberto; Echeverria-Perez, Carlos; Cespedes-Aguilar, Tatiana · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Supply chain optimization model that incorporates its impact on climate change Robles-Obando, Natalia · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Construction waste generation causes score in Costa Rica Abarca-Guerrero, Lilliana · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Construction and validation of a vocational profile test for scientific and technological careers Alfaro-Barquero, Alejandra; Chinchilla-Brenes, Sonia · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Cytotoxic evaluation of properties in guava fruit extract (Psidium guajava Var. Tai-Kuo-Bar) Sánchez-Zúñiga, Katherine; Castro-Piedra, Silvia; MoreiraGonzález, Ileana; Arnáez-Serrano, Elizabeth; Navarro-Hoyos, Mirtha; Vargas-Huertas, Felipe · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )