The phrase "a well characteristic" is not correct in written English.
It seems to be a misphrasing; "well" should be replaced with "well-defined" or "well-established" depending on the context.
Example: "This is a well-defined characteristic of the species."
Alternatives: "a distinct characteristic" or "a notable characteristic."
In this case, a positive value of well characteristic derivative can be seen as the requirement for stability.
When the boundary obstructs the circulation, it decays exponentially with a well defined characteristic decay scale.
Capacity constraints at the financial sector is a well established characteristic assumption of the Costly-State-Verification (CSV) models of banking pioneered by Townsend (1979), Williamson (1987), and Diamond (1991).
A well known characteristic of conical bore instruments, for example, is the flattening of upper resonances in relation to the fundamental component due to open end corrections in the tone hole lattice [27].
And despite several blemishes to our record as a beacon of light in the world, goodwill is a well entrenched characteristic of the United States; for all of the complaining that many disgruntled parties may do, most expect that the U.S. will do the right thing more than any other nation in the world.
Increased prostanoid activity is a well recognized characteristic of colorectal cancer [ 4, 8, 10, 18- 20].
Apoptosis of type II AEC is a well known characteristic of the lung in IPF [ 2, 4].
Third, we probably failed to see a number of patients whose parents were experiencing psychological problems, such as avoidance and refusal to come back to the hospital, a well known characteristic of Post Traumatic Stress Disorder.
27 Eventually, only 40% of the total binding cavity area was occupied by all docked compounds, reflecting the relatively large size of the active cavity, which is a well established characteristic of CYP3A4.
In support of this notion, we observed ER negativity to be significantly associated with BRCA1 methylation (P = 0.0475), a well established characteristic of familial BRCA1 tumours previously reported by Catteau and colleagues [ 37] and others.
