Sentence examples for proved difficult to create from inspiring English sources

Nevertheless, it has proved difficult to create the desired properties in pure BiFeO3, and attention has turned to using compositional modification [7 10] and/or substrate-induced strain [11, 12] to alter the structure and properties of the material.

Unfortunately, because a material's electrical and heat conductivity tend to go hand in hand, it has proven difficult to create materials that have high thermoelectric efficiency a property scientists represent with the symbol ZT.

The episode proved difficult to make.

However, despite ample evidence of benefit, the complex phenomenon of social participation has proved difficult to untangle in creating policies or programs for optimizing health in diverse communities.

Although we created funnel plots to identify possible publication biases, these proved difficult to interpret given the small number of studies.

Genocide has proved difficult to prosecute.

The effect proved difficult to measure.

Neutrality proved difficult to maintain, though.

Alas, it proved difficult to find.

Yet reform proved difficult to implement.

The furlough plan proved difficult to enforce.