The phrase "are defined and characterized" is correct and usable in written English.
It can be used when discussing the specific attributes or features of a subject, often in academic or technical contexts.
Example: "In this study, the key variables are defined and characterized to provide a clear understanding of their roles in the research."
Alternatives: "are described and outlined" or "are specified and detailed".
These states, called finitely correlated states, and strongly asymptotically shift invariant states, are defined and characterized.
Water resources management is essentially bounded by how the extremes – floods and droughts – are defined and characterized, along with methods and standards for reducing the risks to society.
How phases are defined and characterized differs and the evidence levels are merely based on expert opinion.
In Section 2, the concept of cancellability of operator connections is defined and characterized.
We recognize that the process by which the data elements were defined and characterized is not perfect.
Pollen-tube growth, fertilization, fruitlet formation and carpel degeneration, as well as early development of parthenocarpic fruit were defined and characterized by macro- and microscopic analyses.
The columnar-to-equiaxed transition (CET) observed in the dendritic grain structure of the refined alloys, sharp or progressive, is defined and characterized based on the profile of the averaged elongation factor.
Almost conservative and almost regular matrices for single sequences were characterized by King [16] and almost (mathcal{C}_{vartheta } -conservative and almost (mathcal{C} -conservativeegulandfour-dimensionalmostrices for double sequences were defined and characterized by Zeltser et al. [17].
Using this analysis, the best LR threshold (above which spots are called present) was defined and characterized by its accuracy, sensitivity and specificity.
However, there are some important genera, annotated in the MiDAS taxonomy only, which have previously been defined and characterized using in situ methods, such as microautoradiography (MAR -FISH.
Consequently, to enable fine mapping of QTL and final identification of causal genes underlying the QTL within small chromosome segments of BTA6, the content and order of genes within the syntenic regions need to be defined and characterized precisely.
