The phrase "an outer one of" is correct and usable in written English.
It can be used when referring to something that is situated on the outside or periphery of a group or structure.
Example: "The design features an outer one of the two layers, which provides additional insulation."
Alternatives: "an external one of" or "an outer layer of".
The designed controller is build through a hierarchical approach yielding two control loops, an inner one to control the attitude and an outer one to control the translational trajectory of the rotorcraft.
The placeholders consisted of two concentric open squares, an inner one (dark grey, 0.14 cd/m) and an outer one (light grey, 5.4 cd/m) of 2.3° on each side.
Species in this order are characterized by having freshwater representatives with multiaxial gametophytes, a uniaxial chantransia stage and pit plugs with two cap layers, the outer one of which is usually plate like.
Inside his small tomb, the king's mummy lay within a nest of three coffins, the innermost of solid gold, the two outer ones of gold hammered over wooden frames.
In actinobacteria and archaebacteria the central core has only two kinds of protein: two inner tiers of identical proteolytic β-subunits (threonine proteases) and outer ones of the evolutionarily related non-proteolytic α-subunits (Fig. 4).
It consists of two sectors up and down stream the decay target, each consisting of two layers: the outer one made of scintillating bars and the inner one of scintillating fibers.
For annelid segments, Scholtz proposes: an outer annulus, one pair of mesodermal hollow spaces, one pair of ventral ganglia, one pair of nephridia, a set of muscles and one pair of appendages.
In summary, a structure is considered a segment if it groups together an outer annulus, one pair of mesodermal coelomic cavities, one pair of ventral ganglia, a set of muscles, one pair of appendages and one pair of metanephridia [ 24].
On the occlusal surface, opaque enamel in the outer one third of the enamel layer combined with translucent dentin in the outer 300 microns of the dentin layer are interpreted as an indication that the carious lesion is confined to the outer enamel and that the dentin has already reacted to it by producing sclerotic dentin.
Conclusion: For optimizing the efficacy while minimizing the risk of endometrial hyperplasia, 17β-estradiol tablets must be placed in the outer one third of the vagina.
