00793naa a2200217 a 450000100080000000500110000800800410001910000170006024500620007726000090013952002060014865000170035465000200037165000180039165300170040965300170042665300170044370000180046070000150047877300820049310290482005-08-30       2001    bl ---       0--  u    #d1 aNAIME, J. M.  aAutomated soil particle size analyzer based on gamma-ray.  c2001  aApplication of gamma-ray attenuation principles permits the determination of density and water content of a material. Moreover, this technique also allows one to determine particle  size distribuition.  asoil physics  aFísica do Solo  aGranulometria  aGranulometry  aLei de Stoke  aStoke´s law1 aVAZ, C. M. P.1 aMACEDO, A.  tComputers and electronics in agriculture, Amsterdamgv. 31, 2001. p. 295-304.