The phrase "as characterized by several" is correct and usable in written English.
It can be used when describing something that is defined or identified by multiple characteristics or features.
Example: "The phenomenon is complex, as characterized by several distinct patterns of behavior observed in the study."
Alternatives: "as defined by several" or "as noted by several".
In both humans and mice there are several subtypes of DCs, as characterized by surface markers and function.
The microstructure of the as-spun products was characterized by several analytical techniques, including electron diffraction, differential scanning calorimetry (DSC) and wide-angle X-ray diffraction.
The competitive advantage of vertically integrated companies (producing both API's and finished formulations), who control API prices and can base their quoted prices for formulations on end- to- end margins was characterized by several interviewees as unfair, as it eliminates companies which cannot control API prices from receiving tender awards.
The northern part, known as the Top End, is characterized by several small urban centers and many small scattered indigenous communities with populations of 300 2,000.
The morphology and structure of samples fluorinated to three different F/C ratios are characterized by several analysis techniques, as well as gas adsorption.
In case PA6 is dispersed as droplets, fractionated crystallization behavior occurs, characterized by several crystallization events at different, lowered crystallization temperatures.
Films were characterized by several techniques as in situ Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and ex situ electron diffraction.
The presented research work, aimed at deeper understanding of vibrational process during high-frequency vibration cutting, is accomplished by treating cutting tool as an elastic structure which is characterized by several modes of natural vibrations.
The population history of commercial European pig breeds such as Large White or Landrace is characterized by several events of introgression through Asian genotypes during the 19th century.
The data collection routing of WSN can be characterized by several performance indicators as explained below: (1) End to end delay for data collection routing (denoted as D e2e ).
