Sentence examples for enhancement is difficult from inspiring English sources

In the lower thermosphere, at 130 and 140 km (black and red lines), significant warming can be noticed for the first and last events, whereas the temperature enhancement is difficult to identify for the second event.

As mentioned above, this PL enhancement is difficult to be attributed to quantum confinement or indirect direct bandgap transition since the mean diameter of the MQW nanorods is much larger than the exciton Bohr radius of Si and Ge.

A clear explanation of the reduction of parenchyma enhancement is difficult to establish.

The search for electron enhancement was difficult because of the intermittent observations of MAP-PACE/ESA.

Treatment and enhancement are difficult to distinguish (Levitt & O'Neill 2010), but a line might be drawn between them for the sake of capability theory.

In particular, the distinction of capsular enhancement from extracapsular enhancement was difficult by MRI.

The contributions of codon-optimization and GC-content adjustment to expression enhancement are difficult to be separately assessed, but it is clear that both are important.

Even with contrast enhancement, superinfection is difficult to assess, as there is extensive adjacent enhancing soft tissue and granulation tissue around all collections.

The significant increase of habituation in absence of any initial amplitude modification, i.e. any cortical preactivation level enhancement with tDCS, is difficult to explain.

But drawing the line between necessary therapy and discretionary enhancement is genuinely difficult.

Enhancement of the spinal meninges should always be considered abnormal, although linear enhancement is more difficult to interpret following lumbar puncture or therapeutic intervention such as brain surgery or radiotherapy.