Sentence examples similar to a long standing difficulty from inspiring English sources

As we noted at the beginning, the absence of any information about the reaction intermediates has been a long-standing difficulty that has hindered progress and the precise mechanism has yet to be established.

A long-standing difficulty in understanding the specificity of T cell recognition is to reconcile the hypothesis that T-cell activation is determined by the lifetime of TCR-pMHC bond and the finding that widely different responses are induced by pMHCs that are bound with dissociation rates differing by a factor lower than 10.

Mr Brown promised £150m of rapidly delivered agricultural compensation for farming and industries which "today face long standing difficulties".

He received a long standing ovation.

The audience gave him a long, standing ovation.

This confirms a long standing expectation.

Martin received a long standing ovation from fans.

Unfortunately, this is a long standing systematic problem.

This science has a long standing history in developing countries.

Chronic illnesses require a long standing or lifelong adaptation.

Outline sketch the head with a long standing rectangle.