ASTM E966建筑物表面和表面构件气载声音隔离的现场测量标准指南
日期:2012-02-08 11:52
d pressure measurements performed at several incidence angles as discussed in 8.6.
1.3 To cope with the variety of outdoor incident sound field geometries that are encountered in the field, six testing techniques are presented. These techniques and their general applicability are summarized in Table 1 and Figs. 1-6. The room, fa�ade, or fa�ade element declared to be under test is referred to as the specimen.
1.4 The values stated in SI units are to be regarded as standard. No other units of measur
12/17 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
11/07 04:54