Packing density refers to the reciprocal of a volume occupied by 1 kg of an auxiliary packing material in a stainless steel made reactor of 26 mm and 5 m when the auxiliary packing material was dropped and packed into the reactor and said {HEAD ~ volume} was calculated from {TAIL ~ the length} of the auxiliary packing material packed in the reactor 
calculated from
Packing density refers to the reciprocal of a volume occupied by 1 kg of an auxiliary packing material in a stainless steel made reactor of 26 mm and 5 m when the auxiliary packing material was dropped and packed into the reactor and said { HEAD ~ volume } was calculated from { TAIL ~ the length } of the auxiliary packing material packed in the reactor
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH