The phrase "activate within" is correct and usable in written English.
It can be used when referring to initiating or enabling something inside a specific context or environment.
Example: "To access the new features, you need to activate within the application settings."
Alternatives: "enable inside" or "turn on within".
To use the attendance tool, you will first need to activate within your Canvas course.
The key is for countries to put in place specific infrastructure for disease detection and prevention, including systems to improve their laboratory network for tracking disease, epidemiological staff to respond and emergency operations centers that can activate within 120 minutes, according to CDC Director Tom Frieden.
Not that you must find the solution to global warming or single-handedly end starvation, but you must activate within yourself the unique creative spark you carry and give the world your contribution.
For example if two hypnozoites activate within a few days of each other then only one relapse would be counted.
In Figure 2 it was assumed that if a hypnozoite was predicted to activate within 14 days of a previous infection, then the subsequent relapse would go undetected.
Previous studies have showed that subcortical and cortical regions activate within 100 ms by high temporal resolution technique, such as event-related potentials (ERPs) and magnetoencephalography (MEG) [ 22, 23].
Under these culture conditions, HSCs start to be activated within 2 3 days and undergo the activation process to fully activated myofibroblast like activated HSCs within 7 10 days in vitro (Bataller and Brenner 2005).
Caspase-9 activated within the apoptosome promotes caspase-3 activation leading to the apoptotic nuclear structure [ 4].
Collectively, it appears most likely that PR is activated within a hormonal milieu that includes active estrogen signalling.
To qualify for this promotion, a device must be activated within 15 days of device shipment and remain active for 60 consecutive days within 75 days of device shipment.
A similar biphasic activation has been reported for receptor tyrosine kinases, which are activated within minutes of radiation exposure [ 51].
