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…

Detecting and characterizing extrasolar planets has become a very relevant field in Astrophysics. There are several methods to achieve this, but by far the most difficult and potentially most rewarding approach is direct imaging of the planets. Coronagraphs can be…

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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…

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…

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…

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Descripción completa.

Descripción completa.