You don't chew nicotine gum the way you chew normal gum. If you did, all the nicotine would be released directly into your saliva. If you swallowed the nicotine-soaked saliva, it would provoke a terrible stomachache and a nasty and overwhelming craving for a cigarette.
Meaning; SCRI: Salford Centre for Research and Innovation: SCRI: Sarah Cannon Research Institute: SCRI: Scottish Crops Research Institute
SCADA (supervisory control and data acquisition) is a system that operates with coded signals over communication channels so as to provide control of remote equipment (using typically one communication channel per remote station).