The phrase "a limited knowledge on" is correct and usable in written English.
It can be used when discussing someone's restricted understanding or expertise in a particular subject or area.
Example: "She has a limited knowledge on the subject of quantum physics, but she is eager to learn more."
Alternatives: "a restricted understanding of" or "a narrow grasp of".
There is a limited knowledge on the impact of posttraumatic osteochondral defects on the whole joint.
My name is Ryan and I have pondered this question for a long time but I have a limited knowledge on space physics.
The IUCN criteria for red-listing organisms are not specifically designed for fungi, and red-listing fungi, that is calculating the risk of their extinction, is complicated by a limited knowledge on population sizes, lifespan and spatial dynamics in fungi.
The initial definition of the SDI requirements revealed a limited knowledge on the part of the locally appointed disaster managers about the mode and timing of intervention.
Yet, we still have a limited knowledge on the structural and functional diversity of metazoans polyamine oxidases and their evolutionary history has never been studied.
Armed with only an address, 2 Bulevar Umetnosti, the officer who was dismissed used an unclassified military map to try to pinpoint the building's location, based on a limited knowledge of addresses on a parallel street.
The parents and GPs had a limited knowledge of the information on childhood illness currently contained in the personal child health record ('red book'), and felt that it was not well used by parents or GPs.
Challenges within research methodology can be argued to be a reason for the limited knowledge on the method's potential and problems [ 25].
However, their biomedical application may ultimately be limited, because of the limited knowledge on biological response of these NPs [ 6, 7].
Actually a number of studies argue for the hypothesis that AS could develop in the absence of exposure to an infectious agent [ 5, 9- 13, 43], even if a doubt persists given the limited knowledge on the physiopathology of AS.
To date, however, the dislocation processes controlling flow stress scaling in fcc crystals less than 100 nm in size have remained an open question due to limited knowledge on microstructural evolution during deformation in such small volumes.
