The phrase "achieved for certain" is correct and usable in written English.
It can be used to express that something has been accomplished with certainty or assurance.
Example: "After months of hard work, the project was finally achieved for certain, and we celebrated our success."
Alternatives: "secured with certainty" or "confirmed without doubt."
An increase in ethanol conversion of even 100% is achieved for certain conditions.
Simulations show that a significant performance improvement can be achieved for certain types of images such as medical X-ray images and compound images.
We have carried out matching K-B.K.Z. Wagner numerical simulations and found that reasonable consistency can be achieved for certain polymers.
In general, the modeling results indicate sparging is more effective in water-retentive soils, and larger values of sparge influence radius may be achieved for certain anisotropic conditions.
It becomes the pretext upon which new pretenses are built, aiming at the further, if often self-contradictory, refinement of a knowledge that is never, and will probably never be achieved for certain.
Therefore similar recommendations to those applied in CT-colonography can only be achieved for certain aspects of MR-colonography.
A high quality genomic sequence is an important prerequisite which, however, is difficult to achieve for certain organisms, such as hybrids or organisms with a large genome.
In 1973 Stampfli showed in [2] that the minimum of this perturbation is achieved for a certain compact operator.
In particular, for the latter model, they have showed that a successful switching can be achieved for a certain number of the cells and for some Hill functions.
Reducing therapist time could be achieved, for example, by delegating certain tasks from the therapist to a computer and offerering adjunctive computer-aided CBT for panic disorder [ 12, 13].
Good camouflage performance can be achieved for TM wave mode along certain directions.
