Sentence examples for are difficult because of from inspiring English sources

In practice, however, these observations are difficult because of the faintness of those remote galaxies.

Arrest and prosecution are difficult because of the international nature of the operations.

There is a positive correlation between human impact/land-use and climate change, although precise correlations are difficult because of weaknesses in the chronology.

In the real world, many information retrieval tasks are difficult because of high data dimensionality and the lack of annotated examples to train a retrieval algorithm.

Even when the economic benefit to all participants is clear, these types of collaborations are difficult because of the complex human and organizational issues involved.

"Times are difficult because of the combination of high unemployment, banks not lending yet and governments starting to implement austerity measures.

Wang Nai'ang, also of Lanzhou University, says precise calculations are difficult because of the vagueness of the plans that have so far been made public.

Studies of pollination are difficult because of the large number of insects that are associated in some way with most palms.

The evaluation and measurement of these parameters in multilayered samples are difficult because of the irregular morphology of the used materials and the difficulty in providing the well-controlled environment needed for the measurements.

Comparisons with 18 months ago are difficult because of further changes to FSA regulations but the group calculated that it now had 4.4 times the capital needed to meet requirements, compared with a factor of 2.1 previously.

Trials of cholinesterase inhibitors in patients with vascular dementia are difficult because of heterogeneous disease mechanisms and overlap between vascular and Alzheimer's disease (AD) pathology in the age-group recruited.