WebEstablished in 1998, BSWA Technology Co., Ltd. is an acoustical company covering the businesses of: Manufacturing the world class measurement microphones. Developing … WebFeb 28, 2024 · In the experiment, the SW Type-477 impedance tube (BSWA Technology Co. Ltd, Beijing) has been applied to measure the transmission coefficients of CGPC-0.7 and UPC-0.7 [21]. The test procedures follow the standard ASTM E2611-17 [22].

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WebSep 12, 2024 · Bswa Technology Co., Ltd See Full Import/Export History ImportGenius Bswa Technology Co., Ltd Government customs records for Bswa Technology Co., Ltd in Vietnam. Follow future shipping activity from Bswa Technology Co., Ltd. Related companies to Bswa Technology Co., Ltd WebCompany Description: Key Principal: Ruiyao Wu See more contacts. Industry: Navigational, Measuring, Electromedical, and Control Instruments Manufacturing , Audio and Video … WebThe sound-absorption tests of the M13 virus aerogel and the MPP absorber filled with M13 virus aerogel are carried out in an impedance tube (SW477, BSWA Technology Co. Ltd., China). The tube with 30 mm diameter is utilized for measurements in the 500–6300 Hz frequency range in this work. mortgage calculator after bankruptcy