What is a peak expiratory flow rate test? The peak expiratory flow rate (PEFR) test measures how fast a person can exhale. The PEFR test is also called peak flow. This test is commonly performed at ...
ABSTRACT One of the most critical challenges currently facing the diesel engine industry is how to improve fuel economy under emission regulations. Improvement in fuel economy can be achieved by ...
This is a preview. Log in through your library . Abstract ABSTRACT: Benthic suspension feeders are a primary conduit for the transfer of carbon from the water column to the benthos. As such, factors ...
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