Sentence examples for has posed considerable challenges from inspiring English sources
A show that emphasised the ancient tradition of the haj, one of the five pillars of Islam, would be a source of pride for Muslims and a clear reminder of Saudi Arabia's pre-eminent position in the Islamic world.But organising the show has posed considerable challenges.
In doing so it has posed considerable challenges to how we assess and prevent harmful chemical exposures.
The lack of formal risk assessment methods for pathogens has posed considerable challenges to regulatory agencies, such as in the case of the Food and Drug Administration's attempts to assess risks to human health associated with use of antimicrobials in animal feeds (Aarestrup et al. 2008).
Use of an active comparator, although preferred, would have posed considerable challenges to keep the study blind because of the unique mode of delivery and smell of methoxyflurane.
Since the financial crisis began five years ago, the significant shift in Americans' economic wellbeing has posed a considerable challenge to both national mythology and the political rhetoric on which it is built.
For patients with classic nonmetastatic, locally advanced PCa (i.e., clinical stage T3), the risk of local progression is real and standard therapies have not resulted in significant long-term overall survival (OS .41 The development of improved radiation treatment for patients with adverse prognostic factors has posed a considerable challenge.
Despite the recent identification of several prognostic gene signatures, the lack of common genes among experimental cohorts has posed a considerable challenge in uncovering the molecular basis underlying hepatocellular carcinoma (HCC) recurrence for application in clinical purposes.
The development of high throughput experimental technologies have given rise to the "-omics" era where terabyte-scale datasets for systems-level measurements of various cellular and molecular phenomena pose considerable challenges in data processing and extraction of biological meaning.
