Noise-reducing effects in the audio frequencies for several commercial nozzles
碩士 === 大仁科技大學 === 環境管理研究所 === 102 === Abstract This work is to investigate the effectiveness of several commercial low-noise nozzles on reducing the risk of hearing damage to the air-gun operators. The designs involved include using multiple openings with round or slot shape and respirator that tra...
| Main Authors: | , |
|---|---|
| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2014
|
| Online Access: | http://ndltd.ncl.edu.tw/handle/12374278045640545594 |