Sentence examples for been a key challenge from inspiring English sources

However, achieving a high level of clay dispersion has been a key challenge in the production of polymer/clay nanocomposites.

Ever since the concept of CBP was proposed in 1996, CBP research has focused on the development of new and even more effective CBP microorganisms, which has been a key challenge (Lynd et al. 2005).

The evaluation of semi-rigid base cracking condition is one of the most important elements of project-level pavement evaluation, and has been a key challenge facing pavement engineers for many years.

However, until now the limited availability of these radioisotopes has been a key challenge for the transfer to clinical use.

Whereas senior scientific staff in the companies are able to train new employees in technical skills, finding experienced candidates for market access activities has been a key challenge.

Integrating across networks, by allowing for the people and ideas to come together, can also prevent fragmentation, which has been a key challenge of previous commissioning arrangements, and facilitate integrated care with the development of collective contracts that can be more cost-effective and focus on new pathways and care packages, thus, increasing the quality of services and outcomes.

Enforcing traffic rules is a key challenge.

Improving their productivity is a key challenge for policymakers and businesses themselves.

Urban isolation is a key challenge, says David Napier of UCL, the lead academic for Cities Changing Diabetes.

Introducing it to established academics who don't see it as part of their role is a key challenge".

Striking the right balance will be a key challenge for the new American president, whoever that is.