The phrase "air challenge" is not a standard expression in written English and may not be widely recognized.
It could potentially be used in contexts related to aviation, environmental issues, or competitions involving air quality or aerial activities.
Example: "The organization launched an air challenge to raise awareness about pollution levels in urban areas."
Alternatives: "aerial competition" or "air quality contest".
Airway hyperreactivity was found in five control subjects and three index subjects, and all children with symptomatic asthma were identified by cold air challenge.
The exact mechanism could not be elucidated, but the pain started after landing on his right foot after an air challenge.
Last December, the team was awarded a $40,000 grant from the EPA as part of the agency's Smart City Air Challenge, for Scott and her team to create 300 sensors.
Global Investor, which is privately owned, announced today the launch of its 1999 Hot Air Challenge, inviting entrants to predict Amazons share price on the date of April 30th.
For the cold air challenge the model used is similar to the one used for change in FEV1 from baseline to end point, except the outcome is the relative/absolute difference in FEV1 because of the challenge.
Four mild adverse events occurred during the study: one apnea (>20 seconds) with a RIP, and three bradycardia events, one with the hypoxia challenge and two with the room air challenge.
James Turrell is known for making art out of light and thin air, challenging our notion of how we see.
A net, suspended 18 feet in the air, challenged participants to express their ideas while feeling physically at risk.
Prime Minister Ardern and New Zealand's effort to meet the SDGs is a breath of fresh air, challenging the political atmosphere in the U.S. today.
To compare the sensitivity and validity of mannitol, histamine, and cold air challenges to demonstrate the effect of inhaled corticosteroids (ICS) in asthma.
This time round, I saw a different side to it – from the water and the air – challenged myself with one of the scariest things I've probably ever done, and fell hard for some incredible buildings, brilliant bars and restaurants, and fascinating neighbourhoods.
