Sentence examples for is difficult to propose from inspiring English sources

However these models require an elastic plastic constitutive law which is difficult to propose due to the presence of high cycle secondary hardening observed on 304 stainless steel.

Taking into consideration the small amount of foreground objects, it is difficult to propose any separation.

It is difficult to propose a standard reference region for all neurological diseases since patterns of affection vary widely.

Without greater understanding of the distinct mechanisms, it is difficult to propose a specific activity that would result in a specific benefit or outcome.

Nonetheless, it is difficult to propose clinical applications of combined PET/MRI at this stage, where first prototype systems are being validated in clinical and research settings [20].

It is difficult to propose patterns corresponding exactly to the method proposed by Mierswa [50], due to lack of information about their system.

It's difficult to propose an initiative that never ends, and even more of a challenge to budget for one.

They soon found, explains THESIS chairperson Christopher Mues, who is also a PhD student in mathematics, that with the lack of a comprehensive, up-to-date national survey on the country's PhD students, "it was difficult to propose improvements when we didn't have real data on the current situation".

In the same way that there is no a universal dosage of sodium nitroprussiate to decrease systemic vascular resistance, it would be difficult to propose a universal level of PEEP for all patients with respiratory failure.

Although the separation between Opisthobranchia and Pulmonata is rather distinct because of e. g. characters of the nervous system, it has been difficult to propose sound autapomorphies for a monophyletic Opisthobranchia [ 12].

It is difficult to estimate the proposed conditional density weight.