Sentence examples for existed challenges from inspiring English sources

The existed challenges in this field are also discussed.

Compositional engineering of organic-inorganic hybrid perovskite has attracted great research interests recently for seeking a better perovskite system to address existed challenges, such as the thermal and moisture instability, anomalous hysteresis, and toxic lead contamination, etc.

However, there exist challenges for energy and carbon modeling, particularly of high-rise buildings in high-density urban environments.

Yet, there exist challenges on the way to their practical use, including long-term stability, and J-V hysteresis.

However, there exist significant challenges to be addressed for the realization of this objective.

From the fundamental light-trapping to the intrinsic photoconversion processes, there still exist many challenges.

However, there exist several challenges in assessing a map and comparing different maps.

Needless to say, Bunker doesn't exist without challenges.

However, there still exist practical challenges.

This evidence exists despite challenges to the feasibility of DT because of recruitment and retention difficulties among very ill populations.

Despite the recent advances in food pathogen detection, there still exist many challenges and opportunities to improve the current technology.