"increased sufficiently" is correct and usable in written English.
You can use it when you want to say that something has risen or increased to an acceptable level. For example: "The efficiency of our production line has increased sufficiently for us to increase our output."
When the inlet velocity is increased sufficiently high, curved fluctuating flame front appears.
Mr. Gilbert said he supported the idea of allowing cabs to install radios, if the size of the medallion fleet was increased sufficiently.
Cell-cell adhesions drive E-cadherin clustering, and α-catenin dissociates from β-catenin; the juxtamembrane α-catenin concentration is increased sufficiently to promote its homodimerization.
The output of food staples per capita, after a half century of decline, increased sufficiently for Vietnam to become a sizeable exporter of rice in 1989.
However, at higher strains, dislocation density increased sufficiently that static recrystallisation occurred local to the high angle grain boundaries.
But it is fair to say that in some areas for several days and nights, until police numbers increased sufficiently, there was a temporary breakdown of law and order.
Not included on this table is the scenario where the Insurance Billing clients do not increase sufficiently quickly to cover the increased cost of rent.
If demand increases sufficiently, the number of jobs will not decrease and might even increase.
If insulin secretion does not increase sufficiently to counter the insulin resistance imposed by these changes, gestational diabetes occurs.
If nutrient intake does not increase sufficiently, tube feeding and total parenteral nutrition may be considered.
This increase cannot be caused by the increase in the frequency of collisions between colliding molecules, since the frequency does not increase sufficiently with a rise in temperature.
