Subsequently, and while maintaining {HEAD ~ the supercritical state} of the supercritical fluid, the conditions within the reaction chamber are changed to second conditions under which the stability of {TAIL ~ the precursor} is altered relative to the first conditions 
Subsequently , and while maintaining { HEAD ~ the supercritical state } of the supercritical fluid , the conditions within the reaction chamber are changed to second conditions under which the stability of { TAIL ~ the precursor } is altered relative to the first conditions
OTH OTH OTH OTH OTH HEAD 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 OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH