A Study of the Anechoic Performance of Rice Husk-Based, Geometrically Tapered, Hollow Absorbers

<table>Propagation of crack due to the effect of high contents (greater than 70%) of the rice-husks on the structural stability of the rice husk-UPR composite.</table>

International Journal of Antennas and Propagation

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Figure 10

Figure 10: A Study of the Anechoic Performance of Rice Husk-Based, Geometrically Tapered, Hollow Absorbers 