The phrase "affect the activity and" is correct and usable in written English.
You can use it when discussing how something influences or changes a particular activity or process.
Example: "The new regulations may affect the activity and efficiency of our production line."
Alternatives: "influence the process and" or "impact the operation and".
Results showed that water exposure did not affect the activity and persistence of the tested combination.
Substitution during conjugation can adversely affect the activity and specificity of antibodies produced, and it also can determine the analytical strategies of protein conjugates employed.
This indicates small changes in the specific surface area as the result of impregnation sequence will not fundamentally affect the activity and selectivity of the catalysts.
The dynamic environment within the bioreactor and in the purification equipment is known to affect the activity and yield of enzyme production.
The addition of a sulphur-containing modifier in the reaction mixture was found to affect the activity and to hinder the over-hydrogenation reaction.
It has been well known that TiO2 nanoparticles are hard to separate from the aqueous or gaseous pollutants and aggregate easily in suspension, which would significantly affect the activity and stability of the photocatalyst.
The three residues are the active site residues that affect the activities and specificities of the peptides [13, 14, 15, 16, 17].
The organic group appears to act as a modifier (horizontal spacer) around the active sites, thus affecting the activity and kinetics of the catalyst.
The strength of hurricane seasons affected the activity, and the especially active 1835 season brought even bigger profits.
Yan et al. (2013) found that the catalyst preparation methodologies significantly affected the activity and stability of Ni/SiO2 catalysts.
To conclude, the choice of the type of zeolite/silicoaluminophosphates affects the activity and selectivity of the different steps in the SCR process.
