The phrase 'being slightly superior' is correct and usable in written English.
You can use it when you want to describe something that is slightly better than another thing. For example, "His knowledge of the subject was slightly superior to hers."
"He gave the impression of being slightly superior to the medium a little too bright, a little too literate, a little too intellectually upmarket for commercial television, 'the host with the mots,' as Time called him," Menand writes.
He gave the impression of being slightly superior to the medium — a little too bright, a little too literate, a little too intellectually upmarket for commercial television, "the host with the mots," as Time called him.
In the case of the competitor models, the AIC values suggest that the GEW model is quite comparable to the BLN and EWP models (being slightly superior) and it is a bit better than the BXIIG model.
Locoregional control was similar for the three radiation techniques with IMRT being slightly superior.
In this respect, the CTM-MTB seems being slightly superior to the other assays.
Rossi and colleagues showed that a single inhalation of indacaterol 150 μg reduced lung hyperinflation with treatment effects being slightly superior to the effects of a single inhalation of tiotropium 18 μg in patients with moderate COPD [ 18].
A 2003 review of controlled research found that medication is slightly superior to psychotherapy in the treatment of dysthymia.
SRK EOS was slightly superior for correlating the saturated liquid densities.
Seven spades was slightly superior to seven diamonds, with a five-three fit rather than a five-four fit.
[1]] show that the model developed here is slightly superior in following experimental data.
Interestingly, Fe substitute is slightly superior to Ru in kinetics whereas the contrary is the case in thermodynamics.
