The phrase "a span that is" is correct and usable in written English.
It can be used when describing a specific duration or extent of time, distance, or range in various contexts.
Example: "The project requires a span that is at least six months to ensure thorough research and development."
Alternatives: "a duration that is" or "an extent that is".
While cross-validation using training and test data sets could theoretically identify an optimal window span for regional expression bias identification, we could not derive a span that was appropriate for all chromosomal regions across multiple data sets (data not shown).
People who live on the street have a life span that is an average 25 years shorter than the rest of the population, said Jesse Rabinowitz, an advocacy specialist at Miriam's Kitchen.
This to a population with an attention span that is shrinking daily.
By this reasoning, any cicada with a development span that is easily divisible by the smaller numbers of a predator's population cycle is vulnerable.
The rule says that an epidemic is over if no new cases occur in a time span that is double the longest known incubation period of the disease.
Television has continuous access to the mass of people, but it deals in the detritus of adulthood and operates within a mode and according to an attention span that is essentially childish (and seems to have a thwarted child's hostility to the ideal of dignity).
Research has found that consumers have an attention span that is actually less than a goldfish.
The typical Marfan syndrome patient has an arm span that is longer than his or her height.
"The new generation has an attention span that is geared more toward two minutes rather than two and half hours, so we can't afford to make any mistakes," he told me over the phone from his LA office.
The emergency has passed, but the crisis remains, abetted by feckless municipal leadership and a national attention span that is measured in days, if not minutes.
