The phrase "are established first" is correct and usable in written English.
It can be used when discussing the initial steps or priorities in a process or sequence of events.
Example: "In the project timeline, the objectives are established first before moving on to the implementation phase."
Alternatives: "are set initially" or "are determined first".
Fundamental synthesizing corollaries are established first.
Three performance objectives of seismic design procedure aiming for uniform inter-story drift along the building height are established first.
In this paper, three distinct solid structure models of unit-cell located in the interior, surface and corner regions of 3D braided composites are established first.
So the deformation and the deflection of each branch are established first, and then the six-dimensional stiffness of the suspension is equivalently expressed in terms of the material properties of the four chains.
To minimize the TECU weight and make it suitable for portable applications, relationships between weight and thermal resistances of commercial off-the-shelf heat sinks are established first, and a method to find the minimal weight of heat sinks for the TECU is then developed.
Even if there were such a constant degree of correlation, it would not show anything about the degree of equivalence or substitutability of the tests, unless other criteria such as the nature of the attributes being correlated, the purposes for which they are used, the level they are intended for and comparability of contents are established first.
"The ones who go to England are only really successful if they have had 100 games and are established first-team players in Scotland because by then they are physically capable.
A glance at the academy squad lists for the "big four" of Chelsea, Arsenal, Liverpool and Ferguson's Manchester United makes for positive reading but the prospects must appear bleak to the youngsters when they look at how many of their predecessors are established first-team players at those clubs.
11, 12 In addition, DAs are established first-line therapies to reduce motor fluctuations in LD-treated patients.
5 Topical vitamin D analogues and corticosteroids are established first-line treatments for scalp psoriasis, 6 although safety concerns may accompany their use.
The echinocandins have demonstrated broad efficacy against Candida species, have low toxicity and few drug drug interactions, and are established first-line treatments for invasive candidiasis [ 22– 22].
