airborne contamination

基本解释

Field joint coating shall be performed only when the surfaces to be coated are clean and dry, and in the absence of airborne contamination that can affect the quality of the joint coating.
衹有儅將要塗敷的表麪清潔，乾燥且無空氣汙染時，才可以進行補口塗敷，這些因素都可能影響補口塗層的質量。
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These microorganisms can all be part of normal skin flora; hence, direct inoculation at the time of the operation as well as airborne contamination are the most likely causes of these infections.
這些微生物都可以是正常皮膚菌群的一部分，因此，手術過程中的直接種植和空氣傳播的汙染是這些感染的最可能的原因。

Airborne contamination continues to cross the western states, the new data shows, and Boise has seen the highest concentrations of radioactive isotopes in rain so far.
FORBES: Radiation Detected In Drinking Water In 13 More US Cities, Cesium-137 In Vermont Milk
Two years ago, on March 14, 2011, the National Nuclear Security Administration sent flight crews to Japan to monitor airborne and ground contamination from the still developing nuclear crisis at the Fukushima-Daiichi nuclear plant.
FORBES: Drones To Be Deployed As Nuclear Fallout Detectors