"a specific variant of" is correct and usable in written English.
You can use it to describe a particular type of something within a large group. For example, "He ate a specific variant of the cake which was made with blueberries."
The Great Soviet Encyclopedia dubbed music "a specific variant of the sound made by people".
In this paper, we consider a specific variant of the field service routing problem.
Macroautophagy is a specific variant of autophagy that involves a dedicated double-membraned organelle commonly known as autophagosome.
Structural properties are expressed in a specific variant of hybrid logic (Blackburn 2000), interpreted over the graph representing the interconnection network.
In this paper, we develop and study the performance of an evolutionary algorithm, designed to solve a specific variant of the timetabling problem.
If, for instance, you're looking at a specific variant of the MC1R gene, chances are you've got a mammal in front of you, and it has red hair.
Zinc crystallites laid on each other in a specific variant on each grain of electropolished surfaces, but stacked zinc crystallites were seen in variants all over the substrate on mechanically polished substrates.
In the present study, we systematically investigate whether and how detailed researchers can assess individual differences using a specific variants of mental rotation tasks in which body parts are used as targets, for example, the hand laterality task (HLT).
Four gene variants were identified, but only the number of copies of a specific variant (V1) was significantly associated with breeding values of sires for fertility.
A heart specific variant of this protein was identified, which displayed sequence similarity to the N-terminal domain of cytosolic threonyl-tRNA synthetase that had maintained its tRNA binding site [38].
This allows for the probability of a specific variant at a given position in an individual to be considered as either 0 or 1.
