The phrase "a separate service in" is correct and usable in written English.
It can be used when referring to a distinct or independent service within a larger context or system.
Example: "The application offers a separate service in data analysis that enhances user experience."
Alternatives: "an independent service in" or "a distinct service in".
When the Air Force was created as a separate service in 1947, it was dominated by bomber pilots in the mold of the legendary Curtis LeMay.
Due to poor network connectivity between the US and China, there's only one way to definitively fix the problem: have a separate service in China".
Although the RAAF had become a separate service in 1921, the Minister for Defence decided in 1927 that the Army's Director General of Medical Services should be responsible for the administration of the RAAF's medical services.
And there's no way Amazon or Apple will let the publishers tie a separate service into their devices, pissing in their pool.
In 1938, the Chief of the Air Staff became directly responsible to the Minister of National Defence, thus making the Air Force a separate service equal in status to the Canadian Army and Royal Canadian Navy.
The DKG-CSP became fully operational as a separate service provider in December 2004.
Each of the polygons represents a notional component of the classic system and/or a separate service or application in the NG architecture.
There are bright spots, with foreign crews highlighting the help from Libya's coastguard, a separate service from the navy, in joint rescues, and Brussels has announced it will begin training its units.
Hallmen will take over for the doormen, carrying residents' shopping bags to their apartments in a separate service elevator.
IntenseDebate will stay a separate service that will be tightly integrated in WordPress, but will also be available for other platforms (Akismet's spam filtering has been used in a similar manner).
President Barack Obama and first lady Michelle Obama were to attend separate services in Washington and Shanksville, Pa., for the victims of hijacked jetliners that hit the Pentagon and a rural field in 2001.
