a) initiating {HEAD ~ the batch reaction} in a state of a catalyst concentration of more than 1, wherein the catalyst concentration is defined as the amount of {TAIL ~ the catalyst} as used relative to the integrated amount of the acrylic acid as supplied and is assumed to be 1 in terms of the amount of the entire catalyst to be used relative to the amount of the entire acrylic acid to be supplied 
a ) initiating { HEAD ~ the batch reaction } in a state of a catalyst concentration of more than 1 , wherein the catalyst concentration is defined as the amount of { TAIL ~ the catalyst } as used relative to the integrated amount of the acrylic acid as supplied and is assumed to be 1 in terms of the amount of the entire catalyst to be used relative to the amount of the entire acrylic acid to be supplied
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 OTH TAIL TAIL TAIL TAIL TAIL TAIL 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