The phrase "a single instance and" is correct and usable in written English.
It can be used when referring to one specific occurrence of something, often in a context where additional information or examples are being discussed.
Example: "In this study, we observed a single instance and noted its significance in the overall results."
Alternatives: "one occurrence and" or "a solitary example and".
A single instance of Renilla and Rpa3 control shRNAs are included in the screen histogram shown in Figure 1A.
Four of these motifs (all but Trans-splice) displayed a location bias, consistently occurring in a single instance between 200 and 500 bp upstream of the ATG.
The PASL approach labels a thick slab of arterial blood at a single instance in time, and the imaging is performed after a sufficient time to allow the spatially labelled blood to reach the tissue and exchange at the region of interest.
App Engine's prices drop regularly, but they're voluminous and confusing, and a single instance — a pretty puny virtual machine — costs more than a dollar day, not counting storage or bandwidth.
At the start, we generate the ATs with a single instance for each class, and then we feed the remaining instances in the learning group one by one (72 instances in total).
The execution of the proposed distributed algorithm for BRR is depicted iteration-wise (first four iterations) for a single instance of the channel and two PU transceivers, in Figure8a d.
However, if (e_0) is used in a context with a single instance for both show and read, say show(mathtt)Int(,rightarrow,)Stringand read(mathtt) String(,rightarrow, Int, then there is no ambiguity, since there exists only one derivation for (e_0) of type String rightarrow )String.
However, during cross-examination by defense lawyers, the three committee members were not able to point to a single instance where it had happened, and said they did not remember specific details and referred back to reports.
These results are reported for a power budget P t = 1 W, and a single instance of the channel.
