Browsing Investigación by Title
Now showing items 15286-15296 of 15296
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Zika Virus (ZIKV): A New Emerging Pathogen Transmitted by Aedes Mosquitoes (Diptera: Culicidae) in the Latin American Subcontinent
(2016-03-11)Aedes aegypti and Aedes albopictus (Diptera: Culicidae) are two species of synanthropic mosquitoes that are common in outdoor and indoor domiciliary environments in tropical countries. Their vectorial competence and ... -
Zilber's Dichotomy for Differentially Closed Fields with an Automorphism
(2020-07-01)The theory of difference-differential fields of characteristic zero hasa model-companion denoted byDCFA. In [2] we prove its main properties. In[3] we proved a weak version of Zilber’s dichotomy forDCFA. In this paperwe ... -
Zona laboral gris: Repartidores de aplicaciones en Costa Rica
(2020-11-18)El objetivo de este trabajo es abordar el problema de la laboralidad de las personas que trabajan en plataformas electrónicas, en particular los repartidores de plataformas, a partir de su consideración como una zona gris ... -
Zonas sociolaborales
(2011-06-16)Delimitación de las zonas sociolaborales en la ciudad de Golfito, zona Sur de Costa Rica. -
Zoonotic Agents in Feral Pigeons (Columba livia) from Costa Rica: Possible Improvements to Diminish Contagion Risks
(2018-01)Most studies on zoonotic agents in pigeons have been conducted in the Palearctic region, but the scarcity of data is notorious in the Neotropical region, where these birds can breed all year around and are in close contact ... -
Zygopetalinae novae et criticae (Orchidaceae)
(2019)The new genus Pridgeonia, and eight new orchid species in the genera Benzingia, Daiotyla, Dichaea, Ixyophora, and Pridgeonia, all belonging to the subtribe Zygopetalinae, are described. Complete descriptions, with notes ... -
α-Linolenic acid, Δ6-desaturase gene polymorphism, and the risk of nonfatal myocardial infarction
(2007)Background:Δ6-Desaturase (FADS2) is the rate-limiting step in the polyunsaturated fatty acid (PUFA) biosynthetic pathway. Objective: The aim was to test whether the common deletion [T/-] in the promoter of FADS2 affects ... -
μ2-Chlorido-chlorido(μ2-4-{[2-(diethylamino)ethyl]imino}pent-2-en-2-olato)bis(tetrahydrofuran-κO)cobalt(II)lithium
(2018)The crystal structure of the title compound, [CoLi(C11H21N2O)Cl2(C4H8O)2], has monoclinic symmetry and comprises one heterometallic binuclear complex molecule in the asymmetric unit. The Co2+ cation is bonded to one oxygen ...