Sentence examples for difficult to demonstrate the from inspiring English sources

There are lots of credible candidates for this phenomenon among the ranks of other, also extravagantly adorned dinos, but a lack of juveniles or complete crests make it difficult to demonstrate the exact pattern of growth.

Ironically, the sharp drop in infections will make it difficult to demonstrate the efficacy of a candidate vaccine in field testing, since there is likely to be a relative dearth of new cases.

It is not just that it is difficult to demonstrate the immediate economic benefits of subjects such as neuroscience or pure mathematics, especially when compared with more immediately practical subjects such as moral philosophy or media studies.

According to Phil Harrington, the Tasmania-based senior principal of carbon and energy at Pitt & Sherry, it would be difficult to demonstrate the net market benefit for such a project, suggesting instead that the money could be spent on expanding utility-scale wind power within Tasmania.

But the home-building retailer says that commodity price deflation, and tough retail sales and gross margin comparisons will make it difficult to demonstrate the earnings growth that it has in the past, and could make for a rough fourth quarter.

It will be crucial but very difficult to demonstrate the relative impact of PrEP on disease burden and its consequent cost-effectiveness.

Due to the study designs and the heterogeneity of the research, causality is difficult to demonstrate and the knowledge the studies bring to the subject is variable.

A secular increase in nutrients, or an increase in nutrient availability as an alternative trigger is difficult to demonstrate, and the diversity curves of the fossil phytoplankton [66] are an unreliable measure of the bioproductivity.

But critics have argued that to qualify as cultural traditions, such habits must be learned from fellow chimps--and that's been difficult to demonstrate in the wild, says Andrew Whiten at the University of St. Andrews in Fife, U.K. Whiten and colleagues turned instead to two groups of captive chimps at Yerkes National Primate Research Center in Atlanta, Georgia.

The C-terminal domain of these proteins is not similar to any known domain, but does show a weak sequence similarity (with statistical significance difficult to demonstrate) to the C-terminal domain of the mlr6203-like family.

The connection between global warming and extreme weather, though well established in computer models, was difficult to demonstrate in the real world; as scientists routinely reminded the public, no single event — not even one as devastating as Hurricane Katrina — could be confidently attributed to humanity's impact on the planet.