{TAIL ~ The gas} to slurry {HEAD ~ volume ratio} should also be controlled to assure that the flow regime does not shift from homogeneous flow to non homogeneous flow 
{ TAIL ~ The gas } to slurry { HEAD ~ volume ratio } should also be controlled to assure that the flow regime does not shift from homogeneous flow to non homogeneous flow
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH 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 OTH