The phrase "a first phase of" is correct and usable in written English.
It can be used to describe the initial stage or step in a process, project, or development.
Example: "In a first phase of the project, we will conduct research to gather necessary data."
Alternatives: "an initial stage of" or "the preliminary phase of".
But Ms. Bertrand said a first phase of construction could begin next December.
Chávez told the Russian leader "that he has experienced a rapid recovery from the complex operation"adding that the president has been undergoing a first phase of rehabilitation.
The general, who was given crucial royal endorsement on Monday, said a first phase of about three months would focus on "reconciliation" in the divided nation.
The R.B.S. action concluded a first phase of rate-rigging investigations for authorities, who are now planning to take a brief hiatus from filing cases.
And by the mid-sixties Johns's incisive early work had given way to a first phase of "too full" supererogation in arch, hectic painting-constructions that seemed to bode inevitable decline.
The San Diego Local Agency Formation Commission, which helps shape the county's public agencies, voted 7 to 1 Monday to approve a first phase of consolidation among the county's 65 fire departments.
Instead, developers were asked to submit proposals for a first phase of 12.75 acres to be located closest to Citi Field, extending from 126th Street to 127th Street, and from Roosevelt Avenue to 35th Avenue.
Louis XVI style, also spelled Louis Seize, visual arts produced in France during the reign (1774 93) of Louis XVI, which was actually both a last phase of Rococo and a first phase of Neoclassicism.
Elsewhere, the manifesto suggested that in a first phase of forming a purely conservative and white Europe, Western Europeans should create "cultural conservative student organizations" to propagate the new ideology.
Mr. Friedman wonders about the pro-United States Arab states that "lack both vision and courage" and proposes as a first phase of an agreement a half-sliced, movable Palestinian state carved up in the West Bank and mounted on provisional borders.
(a) First phase of temporal lowering of hydrophobicity.
