Sentence examples for main challenges remained from inspiring English sources
The main challenges remained for the ZnFe2O4 anode are the structure instability due to large strain introduced during charging/discharging process.
As far as preparation of high-quality BiNP samples is concerned, the main challenges remain on the size and morphology control and the lack of sufficient understanding to achieve this control, since the electrical, magnetic, and optical properties of metal nanoparticles depend strongly on the particle size and shape.
The main challenges remain, however, the lack of clarity about qualifying assumptions and clinical consequences of inaccuracies or biases in M&S.
But many challenges remain.
However, many challenges remain.
Still, many challenges remain.
The main challenges that remain are the under recognition and underestimation of the morbidity of such complications as well as the absence of affordable worldwide-established treatment protocols.
Finally, we discuss the main challenges that remain and lie ahead in achieving the goal of full accessibility to information on all clinical trials' methods and results.
The report highlights the remarkable global and regional progress made against malaria, and the main challenges that remain in controlling and eliminating this disease, which still poses a threat to about 3.2 billion people – almost half of the world's population.
