Sentence examples for very difficult to characterize from inspiring English sources
Due to their poor solubility in organic solvents, triazine-based polyamines are very difficult to characterize with respect to chemical structure and molar mass.
Although it is very difficult to characterize fractures in deterministic detail, production data can be a vital source of information for identifying the spatial distribution and regional orientation of high permeability zones in a reservoir.
The combined perspectives can thus provide mutual validation of diagnostics and models, and a more complete understanding of the physical and chemical processes involved, including also interdependencies between processes that are very difficult to characterize in the laboratory.
The presence of these properties in images is very difficult to characterize due to their imprecision, and, moreover, because their perception may change depending on the user or the image context.
The developed methodologies allowed to design and fabricate nanometer scale CMD layers with well-controlled surface structure, which are very difficult to characterize in aqueous environments using present instrumentations and highly hydrated surface layers.
Overall, however, Whitehead's influence is very difficult to characterize.
flow induced "blow-off" of previously deposited oil in the form of droplets is poorly understood, for one because the generated spectrum is very wide and difficult to characterize with temporal and size resolution, especially for very large drops which carry most of the mass.
However, it is very difficult to exactly characterize the composition distributions due to its internal complexity and containing numerous redundant information and measuring errors although many efforts have been made so far.
Other studies have reported effects at very low doses but have not included higher doses, making the dose response relationship difficult to characterize.
Ventura also found it difficult to characterize; he just knew it made him happy.
It's difficult to characterize music in simple, sweeping terms.
