The phrase "able to activate their" is correct and usable in written English.
It can be used when discussing someone's capability to initiate or turn on something, often in a technical or functional context.
Example: "The new software is designed to be able to activate their security features automatically."
Alternatives: "capable of triggering their" or "able to enable their".
Incoming freshmen will be able to activate their TechCASH account after August 1.
"Since they have not been able to activate their own internal markets, the way out becomes exports.
Most incoming students will be able to activate their IDs sometime during the summer before arriving on campus, but the precise timing is not always predictable.
The findings are consistent with counteractive control theory in that restrained eaters who expected to eat a high caloric food may have been able to activate their dieting goal, thereby limiting their food intake.
Women were better able to activate their stabilizing trunk muscles than men; but it is also possible that men, having a much higher degree of strength on maximal contraction, only need to activate a smaller amount of that maximum to perform a similar activity.
Early on we saw the remarkable potential for companies if they are able to activate their own employees as brand ambassadors, by leveraging their social networks.
110, 111 In addition, all six proteins have acyl-CoA synthetase activity and are able to activate LCFAs and VLCFAs to their CoA hoisters for subsequent metabolism.
Like the membrane-bound ligands, Fc-clustered ephrins are able to activate the receptors inducing their autophosphorylation.
In vitro studies have also showed that butylbenzyl phthalate (BBP) and its monoester metabolites, such as MBP and MBzP, were able to activate PPAR subtypes, although their effects were weaker than those for MEHP (Corton and Lapinskas 2005; Lapinskas et al. 2005).
The moderators are able to activate the "ActivityRank" feature within their admin interface, which can rank users by how much content is submitted onto the network and by the type of content.
Cancer cells are able to activate signalling pathways that change their metabolism.
