Sentence examples similar to is doubtful to surface from inspiring English sources

16 and 16.8% of samples are doubtful to not suitable for agriculture purposes.

It is doubtful, if this return to primitive communism has anything to do with communism.

He is doubtful for the midweek trip to Southampton.

It is doubtful that Brendl is going to enjoy this summer.

According to Descartes, history is doubtful because it is selective.

It is doubtful you will want to use less.

Whether it will ever replace pen and paper (or canvas, cardboard, chalk or any of the other "surfaces" it allows you to draw on) is doubtful.

Hence, application to surface cracked pipes under large deformation is doubtful.

Some researchers ascribed it to the higher conductivity of graphene, but this is doubtful.

Kemp is doubtful.

But that is doubtful.