The phrase "a subsequent portion of" is correct and usable in written English.
It can be used when referring to a part that comes after another part in a sequence or process.
Example: "In the report, we will analyze the initial findings and then discuss a subsequent portion of the data that requires further investigation."
Alternatives: "a later section of" or "a following part of".
The evening sale (the Carte Blanche section plus the subsequent portion of the evening sale) totaled $137 million in sales, eclipsing the previous highest total of $59 million for a Phillips evening sale.
Despite the scenery, I was more impressed by the race relations of the local Kyrgyz and other peoples, especially in contrast to what I saw in the subsequent portion of my trip in Xinjiang.
Saliva dissolves some of the chewed food and acts as a lubricant, facilitating passage through the subsequent portions of the digestive tract.
This estimate assumed no loss of cognition to children born to women with mercury concentration < 5.8 μg/L and assumed that subsequent portions of the birth cohort experienced cord blood mercury concentrations of 5.8, 7.13, and 15 μg/L, respectively.
The geometry of BRT implant is very susceptible to distortion during subsequent portions of the operative procedure such as insetting the overlying flap, closing the abdomen (for intraabdominal cases), awaking the patient from anesthesia, or transferring the patient from the operating room table.
In the subsequent portion, it is described how the correlations of VMs are calculated.
This first stage, that of demetallization, has been regarded as a simple metal take-up zone which guards the subsequent hydrotreating portion of the catalyst from undue fouling by metal sulfides.
This special shape, in most cases, is supposed to be the result of breaks and deletions at both ends of the chromosome, with a subsequent fusion of the remaining portions [ 2].
Immediately after cellulase addition and each subsequent 24 hours, a portion of this anaerobic reaction mixture was transferred to an air-filled vial to test the effect of headspace composition on cellulase activity.
A fifteen-story building in Taichung suffered partial collapse of the lower two floors, which resulted in the subsequent collapse of a portion of the entire apartment block.
