Sentence examples for patterns is difficult from inspiring English sources

Identification of individual chromosomes based on size and banding patterns is difficult in Lepidoptera because of the large number of small and equally sized chromosomes that are not susceptible to banding techniques during mitosis.

But preferences vary from centre to centre and a generalisation of treatment patterns is difficult.

Whereas assembling consistent patterns is difficult, given the diversity of approaches, some interesting observations have emerged.

For embryonic stages, the conservation of expression patterns is difficult to access because information for human embryonic stages is scarce.

First, because recombinant genotypes may have many different patterns, identifying all the potentially influential patterns is difficult.

These results also suggest that evolutionary inference of species relationships based on myosin distribution patterns is difficult without reliable phylogenetic analysis and comprehensive sampling.

Homomorphic tree patterns are difficult to handle as they may contain redundant nodes.

Both observations suggest that the permeability-controlling fracture patterns are difficult to predict in the study area.

Other research has shown that branching-tree depictions that accurately represent macroevolutionary patterns are difficult for students and museum visitors to grasp (Gregory 2008; Evans et al. 2010).

However, prerecorded motion capture data cannot be reused efficiently because picking a specific motion from a large database and modifying the motion data to fit the desired motion patterns are difficult tasks.

In 2002/03, exact referral patterns are difficult to ascertain because of a change in the Radiology Information System coding, but around 75%% of studies were for investigation of possible renovascular disease (black arrow in Fig. 4).