The determination requires only six minutes and features a 15-picogram detection limit.

The determination usually requires specialized instrumentation that separates the substance according to some specific property of the substance.

A precise determination of would require a quantum model for the ideal chain, which is beyond the scope of this article.

It is important to note that the determination whether a good is a consumer product requires a factual finding, on a case-by-case basis.

Accurate determination of whether an anecdote is "typical" requires statistical evidence.

Ellen Borakove, a spokeswoman for the city medical examiner, said that a final determination of the cause of death would require further study.

In navigation, the determination of a "fix" requires two measurements to be taken.

A determination that something is a nuisance in fact also requires proof of the act and its consequences.

The earliest determinations of the size of a spherical Earth required a single arc.

Accurate determination of skin type requires experience.