This is a preview. Log in through your library . Abstract Many microchiropteran bats can reduce their metabolic rate three orders of magnitude during heterothermic torpor. This extraordinary range ...

1. Physiological methods applicable to scales between individual leaves and whole forests have the potential to improve substantially our understanding of ecosystem gas exchange. 2. We compared three ...

Whether it is nitrogen for cleaning weapons and night vision devices, oxygen and acetylene for welding and torch operations, or tetrafluoroethane to keep air conditioning systems blowing cold, ...