The phrase "a specified proportion of" is correct and usable in written English.
It can be used when discussing a particular fraction or percentage of a whole in various contexts, such as statistics, research, or analysis.
Example: "The study found that a specified proportion of participants reported feeling more satisfied with their lives after the intervention."
Alternatives: "a designated percentage of" or "a certain fraction of".
As used in this project, a population threshold is an estimate of a biological threshold for a specified effect that holds for a specified proportion of a defined population.
When sequences are simulated with a specified proportion of invariable sites, the branch lengths specified by the user are rescaled (increased) by the program to compensate for the proportion of invariable sites.
Promises that might be made to the regulators that there will be a specified proportion of independent non-executive directors cannot overcome the reality of total ownership and control.
The raw data was thinned to remove a specified proportion of pulses (and all corresponding returns).
Tolerance intervals provide bounds on a specified proportion of the sampled population (P) with a given confidence level.
A range of durability design specifications are investigated and maintenance thresholds are defined as being reached when a specified proportion of the bridge deck is damaged, say 1%.
Comparing the 1995 96, 1997 98 and 1999 2000 cohorts we observed a compression in access to surgery, i.e., reduction in the length of wait-list interval required for a specified proportion to undergo the operation.
Tolerance limits describe the interval that is expected to contain a certain specified proportion of the population with a specified level of certainty.
For repeat occurrences of a particular type of fracture, the model used the first-year utility multiplier in the year of the repeat fracture and a specified proportion (25% by default) of the disutility attributable to the subsequent utility multiplier from the previous fracture.
This process successively reduces the mean number of contacts each infectious individual has per day by a specified proportion, and can be theoretically related to the gradual implementation of disease control measures such as contact tracing, treatment and behavioural change.
For control two, the blank was supplemented with the specified proportion of A or T. Therefore, a blank and two controls were used for each reaction mixture and data obtained were used to calculate the amount of reducing sugars released from each reaction.
