Sentence examples for been difficult to analyse from inspiring English sources

Sr isotope ratios have always been difficult to analyse to high precision (better than 20 ppm), because there are large differences in the abundances of the isotopes Sr, Sr, Sr and Sr.

In conclusion, we believe that our organotypic model of glioma invasion is a realistic tool providing information about the infiltrative potential of gliomas, a fundamental behavioural characteristic of these tumours, which has been difficult to analyse in quantitative terms.

They are difficult to analyse, not least because they contain highly repetitive DNA sequences.

You might well have terrorists trying to cook up a chemical weapon, but currently it is difficult to analyse what is suspicious chemical-buying behaviour because you don't know what new ways there might be of making dangerous things.

It's difficult to analyse.

Sunderland manager Gus Poyet: "It's difficult to analyse.

He told BBC Sussex: "It's difficult to analyse.

Those types of questions are difficult to analyse and interpret [12].

Deletions in binary search trees are difficult to analyse as they are not randomness preserving.

Such processes are essentially highly nonlinear, feature complex interactions and are difficult to analyse.

Holism deals with extremely complex structures that are difficult to analyse.