Wood extractives could be suited directly for biomedicine. Eucalyptus granlla has become one of the most important plantation resources in fresh Eucalyptus granlla shavings direct current electric field, south China. Therefore, the were extracteded under the alternating electric field, electromagnetic field and soxhlet extracting, and the extractives were analyzed by ZETA and SIZER to find out the leaching rule of nano particles from Eucalyptus granlla wood. The results were following as: (1) The external electric and electromagnetic field-extracting approach could decrease the grouping number...
