Sentence examples for been observed to exist from inspiring English sources

However, the higher harmonics of the oscillation mode ωn0 have been observed to exist in real systems [32].

However, BDE-209 has been observed to exist in high levels (up to 177 ng/g lipid weight) in moose muscle samples, too [29].

The trithiol form (I) is predominant in metal complexes [8, 9, 10, 11, 15], whereas the trithione form II) has been observed to exist in the mono-lithiated hexamethylphosphoramide complex and in the ammonium salts and solvent adducts of TCUA [7, 8, 12, 13, 14, 16, 17, 18, 22].

Cilia have been observed to exist in many organisms including mammals, fruit flies, and C. elegans.

Sam68 has been observed to exist in dynamic nuclear foci termed Sam68 nuclear bodies (SNBs), also called stress nuclear bodies [ 12, 36].

This ambiguity stems in part from a complex relation that has been observed to exist among ECM-related cues, actin cytoskeletal organization, and MMP-2 activation.

PES was observed to exist in even the earliest samples collected in 1980 (unpublished observations), and has been identified in sequential cohorts of young adults transitioning into our clinic.

A strong correlation is observed to exist between the fracture strength, fracture morphology and defect chemistry in a tubular LSFCO membrane.

Copolymer chains formed micelles at pH values higher than 5 whereas unimeric polymers were observed to exist below pH 5, owing to the repulsion between positively charged P4VP blocks.

A close relation of the distributor design to the hydrodynamics in monolith beds was observed to exist, evidenced by the larger pressure drop and liquid hold-up values for the monolith packings with an accompanying use of the packed bed distributor, as compared with the use of the nozzle distributor.

The disparities, which are observed to exist, will be helpful for advancement of the IRI model and of the CCIR numerical maps at sub-equatorial latitudes, mostly for the longitude sector considered in this study, where ground-based observations are limited.