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Caffeine, theophylline, theobromine, and paraxanthine administered to animals and humans distribute in all body fluids and cross all biological membranes. They do not accumulate in organs or tissues and are extensively metabolized by the liver, with less than 2% of caffeine administered excreted unchanged in human urine. Dose-independent and dose-dependent pharmacokinetics of caffeine and other dimethylxanthines...
The substation is undergoing a great transformation, from hardwired operation technology to flexible information and communication technology. The great benefits of such transformation come with challenges, one of which is cyber security. Network segmentation and segregation, discussed in this paper, is one of the many layers of security that should be implemented.
With the important advent of multimedia services and the ubiquity of computing environments, the concept of context-awareness in services access and provisioning is getting crucial. Services, especially the multimedia ones, must perform automatically actions/operations to adapt the delivered content to the user expectations and his environment capabilities, thus ensuring the best quality of experience...
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