Sentence examples for implementation has been a challenging from inspiring English sources

The theoretical description of vdW interactions, and, in particular, a numerically efficient implementation, has been a challenging task for ab initio calculations.

Despite a good understanding of health interventions that can reduce this burden, sustained implementation has been a challenge.

Although many in vitro studies have demonstrated the potential chemotherapeutic effects of curcumin against a variety of cancer cells, its clinical implementation has been a challenge because of its short half life and low bioavailability after oral administration (Cheng et al, 2001; Ireson et al, 2001; Singh and Khar, 2006).

However, implementation has been a major challenge [ 33, 37], thus limiting their potential impact.

"I think that implementation has been a struggle in California".

"The implementation of the rules has been a challenge for us," Bittar said, "and getting the proportion of the penalty aligned with the level of the breach is the challenge we face".

However, the implementation of this basic approach has been a challenge since many of the mobile social network data involve categorical data values.

However, its large computational complexity has been a challenge to most embedded implementations.

"It has been a challenge.

"This has been a challenge.

For example, the will of states to ratify human rights treaties (especially relating to economic, social and cultural rights) has been a challenge since their inception.39 In particular, moving from ratification as a form of lip service to the implementation of concrete human rights standards has been a constant challenge.