'seems to be maintained' is correct and usable in written English.
You can use it when you want to express that something appears to be kept in an unchanged state. For example, you could say "The standard of living in this country seems to be maintained over the years."
Since the polarization seems to be maintained in the case of s- and p-polarization illuminations, we measured polarization SNOM images in order to confirm it.
In this case, the influence of the IL-6 rs1800795 polymorphism on the development of septic shock-related death seems to be maintained over time, but the effect is significant when the follow-up of patients reaches 90 days.
The relative behavior of the peptide towards the erythrocyte and PBMC membrane seems to be maintained: the ratios Kd,ENF/Kd,T-1249 Kd,ENF/Kd,T-1249both cell type (8.5 are 8.1 for erythrocytesimilarBMC, respectively).
Much of the developmental potential that is present in vivo seems to be maintained in vitro.
Similar to tick-borne encephalitis virus, B. microti seems to be maintained in small focal areas.
The general gene order, however, within this ancestral interval LAP3 to DMP1 seems to be maintained across species.
Above all, he seems to be maintaining the ferocious self-discipline that kept him sane inside.
H&M, which is further ahead in this, seems to be maintaining its big regional markups.
Another factor pointing to a Clinton victory in New York is that she seems to be maintaining a sizable advantages among women — fifty-nine per cent to forty-one per cent, according to a poll carried over the weekend by researchers from Emerson College — and minority voters.
As for now, the best solution seems to be maintaining a solid line of communication with suppliers.
The company has shown interest in moving into the social networking space but seems to be maintaining a focus on the office.
