The phrase "a substantial type of" is correct and usable in written English.
It can be used when describing a significant category or classification of something.
Example: "The research focused on a substantial type of renewable energy that has the potential to reduce carbon emissions."
Alternatives: "a significant category of" or "a considerable kind of".
However, also a substantial number of type I (false positives) and type II error (false negatives) were present.
Unfortunately, this study was initiated to screen only patients with newly diagnosed type 2 diabetes to determine whether the Ab−T+ patient population existed as a substantial subpopulation of type 2 diabetic patients.
It is possible that prior longitudinal studies may have introduced a substantial amount of Type II error into their results by having failed to account for the natural process of recidivism decay.
Kerogen with hydrogen indices between 300 and 600 mg/g contains a substantial amount of type II macerals and is considered to have good potential for generating oil and minor gas.
A substantial subset of Type IIP RM systems are controlled by an activator-repressor called C protein.
A substantial subset of Type IIP RM systems are controlled by an activator-repressor called C protein [ 8, 9].
A personalized approach of pump management may allow a substantial number of type 2 diabetic patients to be candidates for pump therapy.
While the development of advanced diabetic nephropathy is marked clinically by proteinuria which subsequently leads to renal failure, it had been reported that low glomerular filtration rate is already present in a substantial proportion of type 2 diabetic patients even though they were microalbuminuric or even normoalbuminuric.
HOBIT XML defines a substantial number of types spread over multiple XSDs, which are programmatically accessible using a dedicated Java library (BioDOM).
