"strengthen the knowledge" is correct and usable in written English.
You can use it in any context where you need to express the idea that someone is increasing the amount of knowledge they have. For example, "The teacher worked to strengthen the knowledge of her students by providing additional resources in the classroom."
To strengthen the knowledge on islanding operation, the background of islanding is also presented in this paper.
This project will allow you to bring together and strengthen the knowledge and skills you have gained during the program.
It implies that we should strengthen the knowledge popular of green electricity through school education, media dissernmination and the spread of green knowledge in the community.
This analysis describes the current findings of research and what research is still needed to strengthen the knowledge base of the impacts NTDs have on the big three.
This Inventory of United Nations Activities to End Violence against Women is intended to strengthen the knowledge base on work that is being implemented by the system on this critical issue.
EVs focus on individual biologics to strengthen the knowledge in the field.
The process drew upon the experience and expertise of key actors to strengthen the knowledge-base for decision-making.
On the part of the EU itself, the efforts to strengthen the knowledge-based economy will be facilitated by investing EUR 80 billion only through the channel of the Horizon 2020 programme.
The Tanzania HIV/AIDS Nursing Education (THANE) project was designed to increase the HIV education capacity of Tanzanian nursing schools by strengthening the knowledge and skills of the nurse educators.
Results indicate that a university's past performance along the research pillar strengthens the knowledge transfer pillar over time, through both commercialisation and academic engagement channels.
Despite this key role, little attention has been paid to collaboration as a specific set of organizational arrangements strengthening the knowledge productivity of regions.
