Sentence examples for primary difficulty for from inspiring English sources

The low permeability of coal seams is the primary difficulty for gas production.

The primary difficulty for obtaining large haplotype blocks is the small nature and lack of diversity of insert lengths.

It was not the economic situation, however, that provided the primary difficulties for the chancellor but rather the divisions within her own ruling coalition.

Typically, there are three primary difficulties for coal mines to implement backfill (Li et al. 2008), of which one is that the low productivity with backfill cannot coordinate with the high mining production.

Thet expressed the primary difficulty of  hyper-targeted push mobile ads being fragmentation, that it was really difficult to take the million dollar budget for a client like Tide and apply it to a micro scale.

But insiders say the primary difficulty in prosecuting Mr. Milosevic for Kosovo will be to establish the credible links between Mr. Milosevic and the looting, raping and killing attributed to the Yugoslav forces on their rampage through Kosovo.

As at Darwin, Herring's primary difficulty was logistics.

One of the primary difficulties in evaluating the effectiveness of lumbar fusion is that, with the exception of spondylolisthesis, specific diagnostic indications for surgery are poorly defined.

One of the primary reasons for difficulty in applying known theory is the capricious variability of natural soil in contrast to the idealized soils required to develop a theory.

Primary reasons for difficulty of recruitment and farmer turnover included a lack of candidate farmers in the local landscape, and the marginal and fluctuating economics of grassland management.

The potential difficulty for NBC regarding Hillary Clinton became clear early in the primary season, during MSNBC's coverage of the New Hampshire primary.