The phrase "activity concentrated in" is correct and usable in written English.
It can be used to describe a specific area or context where a particular activity is focused or taking place.
Example: "The research showed that the majority of economic activity concentrated in urban areas."
Alternatives: "activity focused in" or "activity centered in".
Hockey players are a rarity: Approximately 300 Thais and about 80 foreigners actively play ice hockey, with the activity concentrated in the country's capital.
There's no question that we have done a great job of reducing the victimization that comes with that kind of criminal activity concentrated in one area".
Throughout a 16-day period, feeding activity concentrated in an interval time around the beginning of the daily session.
It is generally believed that the global lightning activity concentrated in the world thunderstorm centers is the basic mechanism for excitation of the SR.
Turnover has been remarkably light for the past few days, and trading remained spotty today with activity concentrated in selected pockets of the market such as the Internet sector.
Because the system cannot detect the higher frequencies, it is unable to detect the difference between activity concentrated in a single point source (first row of Figure 1) and the same amount of activity distributed as a sinc function (fourth row).
"Relying on trust, belief, pleasure, and reward activities" concentrated in the limbic system (Esch and Stefano 2005, 175), love's ability to bring together (and keep together) human beings from prehistoric times until the present day has played a key role in the survival of our species.
These activities concentrate in geographical corridors connecting municipalities located along key drug-trafficking routes.
During the definitive care phase, activities concentrate in and around the ICU.
The LOX activity was concentrated in endosperm and embryo, while the POX activity mostly concentrated in the bran fraction.
Together, these results show that Erk activity concentrates in and forms a gradient across leader blebs, and may be trapped there by a diffusion barrier at the bleb neck.
