The phrase "a first array of" is correct and usable in written English.
It can be used when referring to an initial set or collection of items, often in a technical or scientific context.
Example: "The experiment began with a first array of samples collected from various locations."
Alternatives: "an initial set of" or "a primary collection of".
If any of the events were key presses or releases, a fourth array of the respective key values is also returned.
HP fabricates them using conventional lithography techniques: laying down a series of parallel metal nanowires, coating the wires with a layer of titanium dioxide a few nanometers thick, and then laying down a second array of wires perpendicular to the first.
A second array of larger guard electrodes bracket the central track and maintain dc-only potentials used for lateral ion confinement.
This CE8 family is present at high numbers in the two rust fungi and M. lychnidis-dioicae; the copy number amplification in M. lychnidis-dioicae appears to be due to tandem duplication, with one array of two genes and a second array of four genes.
First, arrays of a single antibody were generated with an average feature diameter of 4.5±0.5 μm and average feature distance of 11.4±1.4 μm.
The EST-derived oligo microarray represents a first generation array of this ciliate and provided reproducible expression data as validated by quantitative RT-PCR.
A first generation array composed of 4 repeats of 116 homopolymers was printed onto a poly(hydroxyl ethyl methacrylate) (pHEMA) coated glass slide).
First, an array of parallel platinum wires are formed in a master mold that is created using electron beam lithography.
"Once we determined that an electronic paper display would work as a second screen, an array of new and improved user experiences became obvious.
First, an array of Ag particles (∼90 nm in width, ∼25 nm in height) was synthesized on the substrate using the NSL technique described above.
