The phrase "acknowledged in a number of" is correct and usable in written English.
It can be used when referring to something that has been recognized or accepted by multiple sources or individuals.
Example: "The findings of the research were acknowledged in a number of academic journals."
Alternatives: "recognized in several" or "noted in various".
11 12 The effectiveness of cCBT for treating anxiety and depression has been acknowledged in a number of randomised control trials.
The requirement for biostatistical training has been acknowledged in a number of developing countries such as Vietnam [ 16], Pakistan [ 17], India [ 5, 11] and Turkey [ 18] and as this is indicated in publications, is perceived to be of greater need with respect to health sciences training in these countries.
(If one sentence down in the article had acknowledged that a number of people were probably aware of the program, both the newsroom and I would have been better able to address that wave of criticism).
It is acknowledged that a number of patients in the low risk category still received physiotherapy, which may have reduced the incidence of PPC's observed.
But members of the panel acknowledged that a number of high-profile cases in which American troops were accused of massacring civilians — in particular the killings in Haditha — animated the effort.
We acknowledge that a number of disorders, in particular the dementias, are included in both chapters, and therefore could be classified either as neurological or psychiatric.
A senior F.B.I. official, who gave reporters a formal briefing on the issue on Thursday on the condition of not being named, was not willing to go that far but acknowledged "a number of deficiencies" and frustrations in the project and said, "The application, the way it's built now, is under evaluation".
Kurokawa acknowledges that a number of politicians in the ruling party and academics have complained about the money going into OIST.
Instead, they found that psychological stress was a more salient factor, but they acknowledge that a number of limitations in their study preclude applying this finding to all indoor air complaints.
On August 3, 2007, Warner Bros. Pictures acknowledged in an official statement:... a number of the music cues for the score of 300 were, without our knowledge or participation, derived from music composed by Academy Award winning composer Elliot Goldenthal for the motion picture Titus.
Although the Wissenschaftsrat recognises that Germany's PhD system is effective in general, it also acknowledges a number of deficits.
