{HEAD ~ The method} 1, wherein during irradiation the biomass feedstock is conveyed past a particle gun and through a beam of {TAIL ~ electrons} 
{ HEAD ~ The method } 1 , wherein during irradiation the biomass feedstock is conveyed past a particle gun and through a beam of { TAIL ~ electrons }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL