The phrase "a strict separation between" is correct and usable in written English.
It can be used when discussing the clear distinction or division between two or more entities, concepts, or categories.
Example: "The study emphasizes a strict separation between personal and professional life to maintain work-life balance."
Alternatives: "a clear division between" or "a firm distinction between".
Soros said that he tries to maintain a strict separation between his financial and his philanthropic work.
Mr Liikanen's experts concluded that there should be a strict separation between investment banking and retail banking.
But Belgian laïcité is very different from that of France, if only because it does not entail a strict separation between church and state.
Laïcité is based on three key principles: freedom of conscience, a strict separation between religion and the state, and the freedom to exercise any faith.
The American journalistic tradition depends on a "strict separation between political opinions expressed vigorously on editorial pages and news reported with as much factual objectivity as possible".
He is insistent that in his vision of a future Sudan – one shared by the SPLM-North and the SRF – the country would be secular and that a strict separation between the state and religion would be maintained.
In his appearance before the House Financial Services Committee on Thursday, Mr. Volcker endorsed a stricter separation between banks that hold deposits and investment banks.
Barbara Adachi, a principal in Deloitte Consulting's human capital practice, started creating a stricter separation between vacation and work when she was in Patagonia on vacation several years ago.
The proposal suggests a strict separation of responsibilities between managerial members on one side and scientific members and stakeholder members on the other side.
Secondly, to avoid any potential conflict of interest, there was a strict separation of roles between the care providers.
Each broiler house has its own set of boots and clothing, and in most cases, there is a strict separation and physical barrier between the exterior personnel entry area (for removal of outside boots and clothing), and the inside clean area with dedicated broiler house boots, coveralls, and hand wash and disinfectant.
