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 volume was calculated from {TAIL ~ the length} of {HEAD ~ the auxiliary packing material} packed in the reactor 
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 volume was calculated from { TAIL ~ the length } of { HEAD ~ 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 OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH