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Dry-season leaf flushing of Enterolobium cyclocarpum (ear-pod tree): above- and belowground phenology and water relations
(2007-11)Above- and belowground phenology and water relations of Enterolobium cyclocarpum Jacq. trees in the dry forest of Santa Rosa National Park, Costa Rica were studied during two consecutive phenological cycles, from November ... -
Drying kinetics as Tool for the Assessment of Dynamic Porosity of Catalyst-Support Materials
(2018)Critical drying fraction data (xc) were obtained for a series of porous materials, frequently used as supports for heterogeneous catalysts. This kinetic parameter correlates well with the secondorder rate constants for ... -
Dual Function of Chip Calls Depending on Changing Call Rate Related to Risk Level in Territorial Pairs of White-Eared Ground-Sparrows
(2017-03)Different mechanisms have been proposed for encoding information into vocalizations: variation of frequency or temporal characteristics, variation in the rate of vocalization production, and use of different vocalization ... -
Duathlon performance unaltered by short-term changes in dietary fat and carbohydrates
(2009-02)Purpose: This study investigated the effects of short-term dietary changes on metabolism and duathlon performance. Methods: Eleven men underwent a high-fat (HF; >65% fat from energy) or a high-carbohydrate (CHO; HC) ... -
Duckweeds (Araceae: Lemnoideae) growing on wet, vertical rocks behind a waterfall in Costa Rica, with a new country record of Wolffiella oblonga (Phil.) Hegelm.
(2019)A large colony of duckweeds (Araceae: Lemnoideae) grows on the constantly wet, vertical wall of the rock shelter behind the Llanos de Cortés waterfall of the Potrero River, Guanacaste province, Costa Rica, the first such ... -
Ductile Concrete End-Diaphragms of Slab-on-Girder Concrete Bridges
(2022-01)In this paper, the results of the proposed ductile precast concrete end-diaphragm beams for the transverse seismic resistance and protection of the substructure of slab-on-girder concrete bridges, tested at the facilities ... -
Duración de la lactancia materna exclusiva en una comunidad urbana y otra rural de Costa Rica
(2018)Objetivo: Indagar la duración de la lactancia materna exclusiva en una comunidad urbana y una rural de Costa Rica. Método: Se realizó un estudio descriptivo transversal sobre el inicio y duración de la lactancia materna ... -
Duración de la lactancia materna, alimentación combinada y riesgo para la salud en jóvenes costarricenses
(2022)Objetivo: examinar la asociación entre la duración de la lactancia materna y la alimentación mixta con la obesidad, riesgo cardiometabólico, grasa corporal, conductas de riesgo dietéticas y de actividad física en niños ... -
Duración de la reincidencia y sus factores asociados en la población penitenciaria de Costa Rica
(2021)Este estudio pretende medir la reincidencia y los factores asociados que podrían explicar su duración por medio de un análisis de sobrevivencia, para esto se consideran los datos de las personas que han ingresado al Sistema ... -
Duty, power and management in the actual Costa Rican public education system
(2013-12-19)This article proposes, firstly, the challenges faced by the Costa Rican Management of Education by the Information and Communications Technology (ICT); and the Society of Information and Knowledge (SIK). Subsequently, ... -
Dye‐sensitized Devices: Photovoltaic and Photoelectrolytic Applications
(2018-11)Dye‐sensitized approach along with stability and surface robustness in titanium dioxide (TiO2) against photocorrosion and degradation has been widely studied and applied in several important applications. This chapter ... -
DynACof: A process-based model to study growth, yield and ecosystem services of coffee agroforestry systems
(2020)The DynACof model was designed to model coffee agroforestry systems and study the trade-offs to e.g. optimize the system facing climate changes. The model simulates net primary productivity (NPP), growth, yield, mortality, ...