Sentence examples for particularly difficult to obtain from inspiring English sources

An official at the Interior Ministry in Baghdad said that precise information on the bombings was particularly difficult to obtain because the road between Sinjar and Tal Afar was partly controlled by extremist Sunni insurgents, who are suspected in the attack.

These fellowships are extremely generous and particularly difficult to obtain, because they are strictly based on an international competition.

Moreover, circuit models need to take into account a model of the load to be powered, which might be particularly difficult to obtain in certain cases.

Problems integrating over the singularity have restricted the types of basis functions that have been used to obtain numerical solutions, making it particularly difficult to obtain bound-state solutions that decrease rapidly at both small and large momenta.

This makes it particularly difficult to obtain a random sample because a full listing of all those involved does not exist.

Notwithstanding, it is particularly difficult to obtain such peptides when discontinuous conformational epitopes, as that recognized by b12 on gp120, have to be mimicked [32].

The protein complex predicted by RosettaDock closely agreed with the particularly difficult-to-obtain experimental models, leading researchers to conclude that the docking method has potential in addressing some of the problems that X-ray crystallography has with modeling protein protein interfaces.

Mammal legs are particularly difficult to get right.

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Such antilymphocyte serums can be produced between a variety of species, but in higher mammals, particularly humans, it has been difficult to obtain a powerful immunosuppressive serum without side effects of toxicity.

And you need to know your CPU key, which can be difficult to obtain, particularly if you're already banned.