綿紡績工場の騒音について
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概要
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1.Low pitched noises consisted of sounds generated in blowing process (86_??_82phons), carding process (87_??_85phons), drawing-roving process (94_??_90phons), and spooling process (95_??_90phons). 2.Medium pitched noises consisted of sounds generated in spinning process (94_??_91phons), winding-doubling-twisting process (92_??_90phons), sizing process (84_??_80phons), drawing-in process (72_??_69phons), and finishing process (85_??_74phons). 3. High pitched noise consisted of sounds generated in weaving process (98_??_97phons). 4. Practically all noises in a spinning mill were of environmental origin with continuous and steady natures.
- 社団法人 日本耳鼻咽喉科学会の論文