Sentence examples for difficulty in defining the from inspiring English sources

The determination of the upper reference limit (URL) for thyroid peroxidase autoantibodies (TPOAbs) is a contentious issue, because of the difficulty in defining the reference population.

First, we explain the main difficulty in defining the Cauchy Leray integral in the case of C 1, 1 domains.

However, as illustrated above, the irregular positioning of GLAS ground tracks poses difficulty in defining the terms under which the sample can be considered representative of the population.

The very different feature of the introduced numerical model is the implementation of the bond-slip effect, which cannot be considered in the classical layered section approach because of the difficulty in defining the relative slip along the reinforcing steel.

Chances of a universal consensus on this issue are slim due to the difficulty in defining the beginning of life.

The difficulty in defining the term and subjectivity of what qualifies as a cult film mirror classificatory disputes about art.

Granted, there are difficulties in defining the difference between clinical depressions and "everyday" mood swings -- but does that mean we should get rid of the distinctions altogether?

However, the lack of a protein source other than meat in the Neanderthal diet may be due to methodological difficulties in defining the isotopic composition of plants.

However, owing to limitations in the characterisation techniques available at the time, inconsistent interpretation and use of discrepant terminology have caused considerable difficulties in defining the microstructural changes accurately and unambiguously.

Special emphasis is placed on the caveats and difficulties in defining the nature and origin of the highlighted defects in ER-mitochondria communication, and their exact contribution to the neurodegenerative process.

Differences in methodologies for determining the weathering component in natural environments, inherent differences in weathering rates of different minerals, and mineral heterogeneity often cause difficulties in defining the weathering component of different catchments or aquifer systems.