"improving knowledge of" is correct and usable in written English.
You can use it when talking about developing knowledge in a particular subject, area, or field. For example, "She is committed to improving her knowledge of sustainable business practices."
The increase in precision in species selection is probably the result of improving knowledge of the sample collectors and an improved cooperation between diagnosticians and ornithologists.
The few Etruscan-Latin bilingual inscriptions, all funerary, have little importance with respect to improving knowledge of Etruscan.
Advocates hope that by improving knowledge of border traffic they can influence policymakers and help humanitarian groups identify where they should target their resources.
Concern about such behavior derives not from theory or speculation, but from improving knowledge of how the Earth responded to past changes of atmospheric composition and from observations of ongoing changes.
The review panel said the plan's strongest element was its architecture for organizing the dispersed efforts of 13 agencies to focus on a few central goals, including improving knowledge of past and current climate shifts and the influences -- both natural and human -- that shape them and reducing uncertainties in projections of how Earth's climate may shift in coming decades.
We should examine even the very unlikely scenarios (the once-in-500 year events) whose consequences can be extreme, and decide whether the risks warrant actions taken to mitigate them.While our improving knowledge of how volcanoes work will help in refining the forecasts, what really needs work is bridging of the gap between the uncertain science and the required decision-making.
Results up to date, and proposed actions for improving knowledge of this application are also discussed.
Improved accuracy of the yield estimate is important and can be obtained by improving knowledge of important variables.
The tours have attracted public interest and generated positive feedback about improving knowledge of local natural assets.
In addition, analyzing or visualizing contextual data has the potential for improving knowledge of the patterns of learners' interactions with their contexts (Aljohani and Davis 2012).
By improving knowledge of their headache disorder, patients may be more successful in managing their disease, being active in the therapy [114].
