نتایج جستجو برای: airborne

تعداد نتایج: 22242  

2008
Akira Kato

High density airborne LiDAR data has been used to provide detailed information on tree canopy structure. Recent research has reported that it is difficult to determine where the LiDAR data errors appear on the tree crown, as the returns generally underestimate tree height. This study introduces a novel way to assess vertical and horizontal patterns of airborne LiDAR data error using an error ma...

Journal: :Industrial health 2008
Ki-Youn Kim Han-Jong Ko Hyeon-Tae Kim Chi-Nyon Kim Yoon-Shin Kim Young-Man Roh

The objective of the study is to demonstrate an effect of manual feeding on the level of farmer's exposure to airborne contaminants in the confinement nursery pig house. The levels of all the airborne contaminants besides respirable dust, total airborne fungi and ammonia were significantly higher in the treated nursery pig house with feeding than the control nursery pig house without feeding. A...

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Journal: :Environmental Epidemiology 2019

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