Sentence examples for a formidable challenge on from inspiring English sources

Selective formation of C2 over the C1 products, however, is a formidable challenge on all electrocatalysts known in literature.

Target will have a formidable challenge on its hands in getting that many customers to make the switch.

The Houston Texans (4-0) would be a formidable challenge for the Jets on Monday even if they had Holmes and the injured All-Pro cornerback Darrelle Revis.

IT was a formidable challenge to create a craft show that did not home in on one subject or technique, formidable on many levels.

A formidable challenge to anticommunism arose from a sense of solidarity based on ethnic homogeneity with North Korea.

This is a formidable challenge to regenerative sciences, because different agents also have different functions, depending on the context in which they are recognized by the cell.

"It's a formidable challenge to preserve".

Non-union is a formidable challenge to treat [1].

This presents a formidable challenge for urban planners and managers.

Seas pose a formidable challenge to climate scientists.

It is a formidable challenge to develop the smarter and better nanoscaled drug delivery systems.