"perform changing" is correct and usable in written English.
It is usually used when referring to a process of making changes or adjustments to something. For example: "We need to perform changing in our management strategies to stay competitive in the market."
Original H2 permeation measurements were performed changing sample temperature and network structure and compared with CO2 and N2 transport data.
Grinding tests were performed changing these three variables (ball size, ball charge and solid content) in the range of 20 40 mm, 20 40% and 65 80% respectively.
Coal grinding tests were performed changing these three variables for three size fractions of coals (−3350 + 1700 μm, −1700 + 710 μm and −710 μm).
Based on experimental activity on a SOE stack, both polarization and constant utilization tests were performed changing the air flow rate in the stack.
Owing to a higher stress subjected to the powders at longer milling hours, a more efficient milling operation was performed, changing the form of the powder from a mixture of fine and coarse particles to completely fine particles.
A sensitivity analysis on the SPB has also been performed, changing the fuel and maintenance costs, and the thermal and electrical energy prices, and the particular features of the different CHP (Combined Heat and Power) technologies have been pointed out.
In fact, several tests (not reported here for the sake of brevity) have been performed changing the corrupted measurement, and as expected, test results prove that all the approaches exhibit exactly the same behaviour, with the same identification results, in all the different scenarios.
Sensitivity analysis will be performed, changing the assumptions of the analysis.
The n in parentheses aside number of ORs refers to the number of simulation runs performed Changing the clean-up time/surgical time affected wait times in a predictable way (Table 4).
A threshold analysis is performed, changing the price of NIPT to keep the short-term costs per case of T21 diagnosed at the same level as in the current screening scenario.
