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- Trabelsi, S.; Nelson, S.O.; Kraszewski, A.W.
- United States Department of Agriculture patents 2004 no.US 6,691,563 B1
- water content; sensors; dielectric properties; calibration; measurement; wheat; oats; soybeans; patents; USDA; United States
- ... A universal calibration method and apparatus for nondestructive real time determination of moisture content in particulate or granular materials by radio-frequency sensors is described which is bulk-density and material-independent and remains valid across instruments of different designs. ...