Sentence examples for substantial challenge for from inspiring English sources

"It's a substantial challenge for Ratner to finish this project within the time frame he's proposing.

Scheduling has apparently been the only substantial challenge for the couple since they began dating almost a decade ago.

As a result, creating a properly controlled large-scale production protocol for an N-containing 2D framework has become a substantial challenge for the scientific community7,8,17.

Wound infections, particularly of chronic wounds, pose a substantial challenge for designing antimicrobial dressings that are both effective against pathogens, and do not interfere with wound healing.

"A thousand martyrs, what did they die for?" Still, the area directly north of Al Quds Street was believed to have had a heavy concentration of roadside bombs, presenting a substantial challenge for an Iraqi force.

Under these regulations, substances need to be kept separate to avoid cross-contamination – a substantial challenge for a vaccine that potentially encompasses 160 serotypes (currently, the largest number of serotypes in a single vaccine, for pneumonia, is 23).

These findings present both possible directions and substantial challenges for future performance-intervention strategies.

"Persons with mental disabilities face significant challenges in removal proceedings, and these cases also present substantial challenges for immigration courts," he said in an e-mail message.

Soft tailings pose substantial challenges for mine reclamation due to their high void ratios and low shear strengths, particularly for conventional terrestrial reclamation practices.

For these reasons, Northern Eurasia is both a critical region to understand and a complex system with substantial challenges for the modeling community.

And it's this difference, not the mere fact of others rising, that creates substantial challenges for the United States and the U.S.-led order.