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Study of the effect of humidity on the sound absorption coefficient of some local materials used in the construction of residential buildings in Benin

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Academic year: 2020

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Figure

Table 1:  Starting from the different masses determined, the at the terminals of the same microphone
Fig 1. Diagram of the data acquisition bench
Table 1. The different masses of each material
Table 11. Cement-wood composite taken out of the microwave

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