Although tropical deciduous forest (TDF) is the most widespread tropical forest in Mexico, knowledge on its regeneration
and restoration ecology is still scarce. Here, we compare the diversity of TDF trees and shrubs having published
propagation protocols with the total…

Knowledge of the population dynamics of tropical trees has expanded considerably in the past 20 years. An important observation deriving from these investigations is the confirmation that population behaviour varies both in time and space. A tool recently developed to…

2007

Cette étude de cas examine les enjeux éthiques associés à la politique d'immigration du Canada et à la nécessité du dépistage obligatoire du VIH chez les futurs immigrants. L'attention est portée à l'examen médical de l'immigration officielle (EMI) parce qu’il…

A modern electrical system requires constant and in many cases great investment, as to keep more efficient quality pointers, we have considered CONELEC as a regulator of this. CONELEC has given rules which make the distributors steadily improve those quality…

Research on self-regulated learning (SRL) in hypermedia-learning environments is a growing area of interest. One major issue is the role of prior knowledge, which can influence how students interact with hypermedia-learning systems in terms of their use of SRL strategies.…

Descripción completa.

Toda organización productiva hace uso de
conocimientos científi cos y tecnológicos que
o bien están incorporados en los sistemas físicos
de producción y en el personal humano
que la integra, o bien se encuentran fuera de
ella. Estos conocimientos necesitan…

Descripción completa.

Descripción completa.