Sentence examples for relations are needed from inspiring English sources

Unfortunately, in such multifluid models constitutive relations are needed to describe the phase interaction processes.

For this kind of constraints a total of 24 binary variables and 30 relations are needed.

But it is now widely acknowledged, even by minimalists, that at the very least some higher-order relations are needed to confer structure on first-order properties.

Though bisimilarity determines the equivalence of behavior, more flexible relations are needed in the context of Software Engineering, in order to support formally the notions of conformance and refinement of behavior.

Therefore, in designing a semantic relation system for CPCs, we encounter the following problems: How many relations are needed to meet the completeness criterion, that is, are all semantic relations between CPCs covered by the proposed classification system?

Two closure relations are needed to predict these flow rates: the first closure relation expresses that the volume of solid injected into the airlift remains constant; the second closure relation expresses a global balance between the difference of column height in the riser and the downcomer and the total pressure drop in the airlift.

Better management of industrial relations is needed to pull off meaningful cost reductions.

The prime minister defended retaining contact with Russia pointing out relations were needed for the Syrian talks to succeed.

In an interview in Moscow today, Deputy Prime Minister Ilya I. Klebanov, who heads the investigating commission, said that a decade after the end of the cold war, a "framework of relations" is needed along with a "general system of a provision of assistance" between submarine navies.

But when he travels westwards, to America's Pacific coast, say, his well-honed talent for public relations is needed for a different purpose, often underestimated in Europe: simply reminding people that NATO exists, and that small conflicts in remote corners of Europe have some claim on their attention.

The results indicate that refinement of these commonly used hydraulic relations is needed for accurate model prediction.