Sentence examples for morphology are difficult from inspiring English sources

Population models of filamentous morphology are difficult to solve because of random fragmentation, which introduces an integral term into the population balance equations.

In general, high-surface-area materials in catalysis are not well suited as model materials for testing catalyst stability, because changes in the morphology are difficult to recognize with electron microscopy.

The effects of the late onset of Shh expression on limb morphology are difficult to examine using chick or mouse embryos because loss of Shh activity disrupts the Fgf/Shh positive feedback loop [51].

Fluoroscopic localization and detection of stent morphology are difficult after deployment.

However, accurate species identification based on morphology is difficult because of the paucity and similarity of morphological characters [ 9, 10] and increasing numbers of morphologically cryptic species [ 11, 12].

Therefore, diffusion-controlled growth of garnet porphyroblasts without the development of irregular and branching morphology is difficult to achieve.

Automatic detection of phenotypic features is hindered by the facts that 3D morphology is difficult to measure and that the theory behind the analysis of complex structures such as 3D surfaces or density maps is more or less in its infancy [1].

The most recent taxonomic treatment, summarising previous work, states that species determination based on shell morphology is difficult, unreliable and should be supplemented by anatomical inspections.

2 Diagnosis is achieved by detection of eggs in feces, however, species-specific diagnosis on the basis of egg morphology is difficult.

However, the disadvantage of PEN membrane slide is that it cannot be covered with a cover slip therefore, the tissue morphology is difficult to visualise compared to the embedded sections.

However, in the large-scale or in the industrial synthesis, the self-assembly process for nanostructure morphologies is difficult because the molecular weight distribution (MWD) of the polymer is broader than that synthesized in the ideal laboratory conditions (polydispersity index, PDI < 1.2) [1.2.