Characteristics and methods of noise reduction in aircraft engines
Sound like the result of pressure changes in a medium, caused by turbulence. Maximum permissible industrial noise levels by Occupational Safety and Health Act. Schematic of airport runway showing approach, and sideline noise measurement stations.
| Рубрика | Транспорт |
| Вид | контрольная работа |
| Язык | английский |
| Дата добавления | 06.09.2015 |
| Размер файла | 313,7 K |
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