A challenge of research which is closely linked to policy is that funding and policy makers' general commitment to research studies can be bound to the legislative periods of governments and, thus, not be reliable in the long term.
The residential fuel cell technology faces a list of challenges, of which some are linked to the technology through the need of cost decreases and reliability improvements.
However, the implementation of effective case-management based on malaria diagnostics and ACTs may face a number of challenges, of which availability of commodities at health facilities and sub-optimal case-management practices are of particular concern.
All of which sets a challenge, of the kind that Chaplin used to relish: how do you make an adventure out of a sermon?
He admitted that a "challenge" of the controversial measure is deciding which sites get blocked.
"Give it two hours," he answered, which seemed a challenge of sorts.
We extended this analysis to the LNCs of LEW rats administered a tolerogenic challenge of Bhsp65, which results in a significant reduction in the severity of arthritis [ 22].
But achieving an articulate general understanding of either consciousness or intentionality presents an enormous challenge, part of which lies in figuring out how the two are related.
To the meat of the matter: this is an eminently readable volume, but it is something of a challenge too, which is exhilarating.
