Sentence examples for which represents a challenge from inspiring English sources

The request, which represents a challenge to the United Nations' effort to prevent fighting in Darfur, is the first time the Sudanese have asked international peacekeepers to vacate a specific place in the troubled region.

Various phases of bond release require verification of criteria and performance standards in the field which represents a challenge for the regulatory agency, especially for large mines.

Moreover, we briefly examine the potential use of genetic data in clinical practice in RA treatment, which represents a challenge in medical genetics in the post-GWAS era.

In addition, the sample can change over time from sample motion, which represents a challenge particularly for in vivo imaging.

Our results suggest that it is not transcription per se, but more specifically transcriptional pausing and arrest, which represents a challenge to genome stability during DNA replication.

However, these GEMMs display a long latency to tumorigenesis and advanced tumour heterogeneity, which represents a challenge in preclinical drug testing.

The investigated samples are highly complex materials which represent a challenge for the micro-XANES technique.

This is surprising as they display a remarkable substrate specificity catalyzing reactions, which represent a challenge for classic organic chemistry.

Despite the straightforward formulation of the problem, there are several specific features of AEC, which represent a challenge for any adaptive algorithm.

Due to the periodic wet dry climate of this region, it is likely that soils in these large constructed wetlands may become dry or partially dry (experiencing drawdown), which represent a challenge to managing and optimizing phosphorus (P) reductions in these systems.

This was an attempt, never completed, at a vast synthesis of the known facts of the physical universe; it was published posthumously as Fundamental Theory (1946), edited by Sir Edmund Taylor Whittaker, a book that is incomprehensible to most readers and perplexing in many places to all, but which represents a continuing challenge to some.