The phrase "a field established" is correct and usable in written English.
It can be used in contexts where you are referring to a specific area of study, work, or expertise that has been formally recognized or created.
Example: "The university has a field established in environmental science that attracts many students each year."
Alternatives: "an area created" or "a discipline formed".
While fewer cells were seen on day 21, T cells activated by aAPC in a magnetic field established a detectable population in lymph nodes (0.15%), compared to 0.04% from T cells activated by aAPC alone and 0.01% from cells that were not stimulated at all (p < 0.05, Figure 4 B D).
Tracer experiments conducted using a flow field established by injecting water into one borehole and withdrawing water from another are often used to establish connections and investigate dispersion in fractured rock.
With an electric field established in the electrolyte, additional protons from the replenished acid quickly migrate to cathode leading to moving extra amount of electrons from Al anode through external circuit, which is indicated by the fast current rise.
The first was a field study established using single-tree plots in eight replicates (one ramet of each individual is represented in each replicate) that utilized a resolvable alpha-incomplete block design (Williams et al. 2002).
In 1847 he began research on the behaviour of crystals in a magnetic field, establishing results central to a deeper knowledge of magnetic phenomena.
This manuscript, likely for the first time in the field establishes a well-defined experimental system: three isogenic cells lines that differ solely in KRAS status.
Trial D1S2 was used to test whether, after injection with MPEP, exposure to a novel environment disrupted place fields established in a familiar environment, i.e., in D1S1.
His reputation as a field commander established, Charles in 1792 reluctantly accepted command of the Prussian army against Revolutionary France.
A range of herbicide treatments was aerially applied by boom to a field trial established within a wilding Pinus contorta (Dougl).
Trees were part of a field trial established in September 2009 near Gisborne on the east coast of the North Island (see Phillips et al. 2014 for details).
