ASTM E2235-2004e1 标准详情
- 标准号:ASTM E2235-2004e1
- 中文标题:隔声试验方法中衰减率测定的标准试验方法
- 英文标题:Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2004
Several ASTM test methods to evaluate the sound-insulating properties of building elements require the measurement of room sound absorption as part of the procedure. The room sound absorption in these standards appears in an equation in the form 10 l
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