The phrase "active twice" is correct and usable in written English.
It can be used in contexts where you want to indicate that something is functioning or occurring two times in an active manner.
Example: "The system was designed to be active twice during the testing phase to ensure reliability."
Alternatives: "functioning two times" or "operating twice".
Maybe I'm not as thin, smooth-skinned, or fearless as I was at 18, but I am more active, twice as engaged in the world, and just as curious.
When protein synthesis was active, twice as much MopA was detected at 6 h p.i. compared with the 2 h time point.
Overweight individuals (BMI 25.0 29.9) who where physically active twice or more per week during their leisure time had an equal or decreased risk of myocardial infarction compared with normal-weight but sedentary persons.
(Uh, has Cyrus not heard about 66-year-old Suzanne Somers' active, twice-a-day sex life?).
31-year-old Ware, drafted 11th overall by Dallas in 2005 and fourth in career sacks with 117 among active players, twice led the NFL in sacks and four times has been named to the first-team All Pro list.
Rohan cited MySpace's phenomenal growth: It now has more than 90 million active users, twice as many as a year earlier, making it a magnet for advertisers.
Eligible individuals were randomized to consume dairy 'yoghurt' products which either did or did not contain active probiotics twice daily and to complete a daily diary.
EAT yogurt with active cultures twice a day during this treatment.
Likewise, we found that lactate dehydrogenase (LDH), which catalyses the last step of anaerobic glycolysis and can be used as an indicator of glycolytic activity [4], was twice as active in all VHL tumors (p<0.01) than in NF1 and RET PH/PGL.
It found that: "The Obama campaign posted nearly four times as much content as the Romney campaign and was active on nearly twice as many platforms.
But at least one thing has continued to rise: on October 4th the giant social network revealed it now has one billion active monthly users, twice as many as in July 2010.
