The phrase "activities of a large" is grammatically correct and can be used in written English.
It can be used when referring to the actions or tasks performed by a large group, organization, or entity.
Example: "The activities of a large corporation often include community outreach and environmental sustainability initiatives."
Alternatives: "actions of a large" or "operations of a large".
But vowing to report on the nefarious secret spying activities of a large government - which is what I did - is called "journalism", not "revenge".
But it is neither fair nor realistic to expect private citizens to police the highly technical activities of a large and powerful industry.
Depending on this approach to determine the activities of a large set of molecules would consume a lot of time and money.
The requirements for determining the activities of a large number of enzymes were emphasized to provide information on soil microbial activities (Sukul 2006).
Calmodulin is an important multifunctional molecule that regulates the activities of a large number of proteins in the cell.
Oscillatory brain rhythms are considered to originate from synchronous synaptic activities of a large number of neurons [ 22].
As the annual report says, "the trustees having taken independent advice have agreed that the objects of the charity could be more effectively met through the activities of a larger and well-resourced charity".
Second, log datasets reflect the activities of a larger community as they record the interactions of all users of scholarly portals, including scientific authors, practitioners of science, and the informed public.
As reported recently, the activation of single neurons may strongly impact the activity of a large neural network and even behavior [11], [12].
Today dawns sunny and still and the site thrums with the ceaseless activity of a large team of archaeologists, students and volunteers.
The authors of these two papers studied the smartphone usage activity of a large number of users.
