The phrase "a rate equal to or" is correct and usable in written English.
It can be used in contexts where you are discussing rates, measurements, or comparisons that are equivalent to a certain value or threshold.
Example: "The interest will be applied at a rate equal to or greater than 5%."
Alternatives: "a rate that is at least" or "a rate matching or exceeding".
And since 2001, science, technology, engineering and math (STEM) degrees have increased at a rate equal to or greater than the overall increase in bachelor degrees being awarded.
In addition, both chimpanzees and gorillas were observed in this area at a rate equal to or greater than expected by random movements at all three levels of crowd size analyzed.
In June 2012, the USDA published a new rule requiring violations found by HIOs to have penalties assessed at a rate equal to or exceeding those given by APHIS inspectors.
Neutrophil-depleted mice cleared Mp from their lungs at a rate equal to or modestly faster than mice treated with the control Ab (Figure 3B).
Make sure the filter has a rating equal to or lesser than the fan's to ensure the fan is powerful enough to move the air through the filter.
The floor of this zone is sinking at a rate equal to that of deposition.
The production pace is to average 250,000 barrels a day, a rate equal to 3percentt of Russia's total output.
When A is turned off, B_h is inactivated at a rate equal to 1.
One quarter of these had a call rate of 1.0, and 57 868 SNP had a call rate equal to or above 0.9 and were used in the association analyses.
While a larger proportion of women with OHCA seem to be admitted to hospital alive [ 4- 9], women have been reported to have a survival rate equal to or lower compared to men [ 4- 8, 10- 12].
Only imputed genotypes with a probability equal to or greater than 0.9, a minor allelic frequency (MAF) equal to or greater than 0.005, following Hardy Weinberg equilibrium (p>0.001), and a genotyping rate equal to or greater than 0.95 were retained for association.
