Results 231 to 240 of about 11,239 (255)

Aircraft-based observation of gaseous pollutants in the lower troposphere over the Beijing-Tianjin-Hebei region

Science of the Total Environment, 2021
Kangwei Li, Chunmei Geng, Baohui Yin
exaly  

An Aircraft Landing System Employing Observers

Conference Proceedings Southeastcon '81., 2005
R.F. Wilson, C.L. Phillips, E.R. Graf, S.A. Starks   +3 more
openaire   +1 more source

Army Soldier Observing Four Aircraft

1917
An Army soldier observes four aircraft flying in formation over the air show at Moraine, while additional planes can be seen on the ground and the crowd of spectators in the distance. Circa 1917-1919.
openaire   +1 more source

HALO OBSERVATIONS FROM AN AIRCRAFT

Weather, 1973
openaire   +1 more source

Aircraft observation system

Air Medical Journal, 1993
openaire   +1 more source

Aircraft Observations for Improved Physical Parameterization

2012
N0001412WX21322
openaire   +1 more source

Blood Pressure and Arterial Stiffness in Association With Aircraft Noise Exposure:Long-Term Observation and Potential Effect of COVID-19 Lockdown

Hypertension, 2022
Agnieszka Olszanecka, Marek Rajzer, Aleksander Prejbisz   +2 more
exaly  

VISUAL OPTICS AND AIRCRAFT OBSERVATION

Optometry and Vision Science, 1943
openaire   +1 more source

5. Aircraft observations

1941
openaire   +1 more source

Radar and aircraft observations of nimbostratus

1988
openaire   +1 more source