Sentence examples for methods remains difficult from inspiring English sources

No gold standard has been established for the assessment of compliance[ 28, 29], and therefore comparing two methods remains difficult.

One-dimensional edge-contacts to graphene were recently shown to outperform surface contacts but the method remains difficult to scale up.

Although current technological progress suggests that comprehensive human biological network maps will be completed in the next few years, this method remains difficult to initiate [ 12].

Despite advances in the methods, it remains difficult to assess tumour clonality accurately.

While the availability of different stationary phase chemistries is an advantage to achieve successful SFC separations, selecting a column for method development remains difficult.

On the other hand, as with other bacteria, classification of Nocardia based on the 16S rRNA sequence has been introduced [ 6] and has simplified species identification, but employing this method in the laboratory remains difficult in routine identification testing.

However, for all the methods mentioned above, it still remains difficult if the fluctuations of brain activations and superficial artifacts follow the same or similar temporal patterns/frequency.

A useful and robust method for finding engineering parts remains difficult however.

In practice, gene therapy remains difficult and the methods crude.

At present, many heart studies [5] and some speech organ studies [6] have been performed using MRI movies, but delineation of hard tissues, including the bone and teeth, remains difficult, although conventional methods for teeth delineation in MRI have been reported [7 9].

Comparison of the results between studies remains difficult since different methods are used in the various studies.