"activation with" is a grammatically correct phrase and can be used in written English.
Example: The new software requires activation with a unique product key.
We quantified the phagocytic activity of PBDCs after activation with CpG or LPS.
The activity was represented as fold activation with respect to the empty vector.
Spartina alterniflora activated carbon (SAAC) was prepared by chemical activation with potassium hydroxide.
A series of activated carbons have been prepared by physical activation with steam.
Reconstitution of complement activation with rFicolin-3 allowed full restoration of complement activity.
Coconut shell-based activated carbons intended for CH4 storage were prepared by chemical activation with H3PO4 or ZnCl2 and/or physical activation with CO2.
The results suggest that blocking or reducing microglial activation, with drugs that are already being used to treat other conditions, might alleviate the symptoms of schizophrenia.
"The Olympics in Beijing are a very big event for us, and we have a lot of different types of activation, with The Lost Ring being the most creative," said Mary Dillon, McDonald's global chief marketing officer.
Two activation systems were used: physical activation with CO2 and chemical activation with KOH.
Activation with a pre-paid plan (you do have to pay for this one, but not monthly).
More promising is a combination of the silica or modificator activation with the multistep process.
