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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: Urol Res. 2010 Nov 10;38(6):505–518. doi: 10.1007/s00240-010-0332-z

Table 1.

The sound speeds in materials of different density

Tissue type Density (kg/m3) Sound speed (m/s)
Water 1,000 1,500
Unclassified 1,025 1,535
General 1,025 1,555
Fat 900 1,465
Kidney 1,050 1,575