And without European cover, or the umbrella of an explanation that they're doing the right thing for Europe, national politicians are hesitant to act decisively on touchy issues like job creation programs for migrants — perhaps the ultimate spur to integration — or setting parameters for their assimilation.
The Islamic Coalition Society, an umbrella group, wriggles in its explanation of why its ticket is not filled with clerics: we accept "only the most qualified", suggests the society's chairman.
Under this broad theoretical umbrella, single-factor or multifactorial explanations of everything from motor skills to the rise and collapse of civilizations are giving way to systemic explanations in which outcomes are seen as emergents of self-organizing processes among lower-order components.
Delving into the complexities associated with conformational changes becomes necessary because the simplification into a single reaction coordinate in umbrella sampling typically does not allow for mechanistic explanations for larger structural changes being observed to be derived.
"I wanted all three films to have their own identity but be under the umbrella of a trilogy," said Benson, attempting a tricky explanation of a hybrid form.
Nevertheless, the criticism of Klein et al. (2003) still holds true: Rather than providing a definition and an explanation of an observable, measurable system attribute, resilience has become an umbrella concept with some normative appeal that leads to considerable confusion.
Biological evolutionary explanations pervade all biological fields and bring them together under one theoretical umbrella.
Biological evolutionary explanations pervade all fields in biology and bring them together under one theoretical umbrella (Colby 1996).
With so many conceivable explanations, the one thing I know for sure is that attraction cannot be reduced to umbrella terms like "yellow fever".
The IMF, the Bank of England and the OECD are, in other words, like weather forecasters who cannot tell you whether you will need an umbrella tomorrow and are not entirely sure whether you will need one today, but can give you a convincing explanation of why it would have been a good idea to have had an umbrella with you yesterday.
