The phrase "a deep knowledge on" is not correct in standard written English.
The correct preposition to use is "of" instead of "on."
Example: "She has a deep knowledge of ancient history."
Alternatives: "a profound understanding of" or "extensive knowledge of."
Suppose also that the developer does not have a deep knowledge on such modules (for example he has started recently to maintain this part of the system).
AS, who has a deep knowledge on the Canarian flora, collected most of the plant material; DV, TG, JP, JV, and IS conceived and designed the experiments; DV performed the experiments; DV and IS analysed the data; DV and IS wrote the paper with relevant contributions of TG, JP and JV.
To be able to accomplish the above ambitious task, a deep knowledge of physical processes on silicon surface during its preparation and in germanium and silicon films during the heterostructure formation is strongly required.
Having studied for five years under top Chinese professors, he now co-writes learned papers on Eastern medicine in Mandarin, drawing on a deep knowledge of ancient Chinese philosophy and cosmology.
A code list was developed from themes that emerged based on a deep knowledge of the data (conducting interviews and reviewing the transcripts) as well as on the key concepts used to develop the interview guide.
But the parameters of policy choices, he argued, should be laid out by experts drawing not only on economics, political science and other disciplines, but also on a deep knowledge of Islam.
His development was based on a deep knowledge of and respect for the past.
Stuff based on a deep knowledge of black American life: language, stance, tone, outlook, its past and present.
His taste was relatively spare and modernist, but he was willing to mix ideas, drawing on a deep knowledge of design history.
The articles were straightforward accounts, explaining all sides clearly and, as is customary in Greenhouse's coverage of the court, drawing on a deep knowledge of the applicable law, going back to its roots in English common law.
Because of the crucial role played by the grouting materials in the Ground Source Heat Pumps (GSHP), a proper selection of these elements should be made based on a deep knowledge of their performance.
