Sentence examples for challenging subject for from inspiring English sources

The extracellular matrix the complex network of crosslinked proteins and polymers that connects living cells to one another and facilitates communication between them offers a challenging subject for study.

The feature interaction problem has been a challenging subject for decades.

The safety of composite structures is a challenging subject for many reasons.

But in Brady's work there is always a lively humanity.He is a challenging subject for a biographer.

Fermor is a seriously challenging subject for any biographer, perhaps more so for Cooper, who knew him from a very early age.

Convalescing after a series of operations, and about to turn 30, she began looking for a challenging subject for her first book.

I owe thanks to a thoughtful, sophisticated readership hungry for challenging subject matter, for honest portrayals of parenthood, and for fiction whose meaning is neither obvious nor morally pat.

Proficient, according to NAEP materials, "represents solid academic performance" for students who "have demonstrated competency over challenging subject matter".

All 18 challenged subjects had positive stool cultures for the wild-type challenge organism, and all 6 controls had positive jejunal fluid cultures (with a mean of 7 × 10 CFU/mL).

Since typical non-work related travel do not occur daily, it is challenging for subjects to calculate averages.

These exercises are challenging for the subject and are less likely to occur during the therapies due to the exercises difficulty.