The phrase "adequate by itself" is correct and usable in written English.
It can be used to describe something that is sufficient or satisfactory on its own without needing additional support or components.
Example: "The evidence presented in the report is adequate by itself to support the conclusion drawn by the researchers."
Alternatives: "sufficient on its own" or "self-sufficient".
None of the techniques is adequate by itself, since each is disturbed by various background signals.
The 30-question test is called the MMSE and it's usually not adequate by itself to diagnose M.C.I.
"There's no single pathway, no silver bullet adequate by itself to meet the goals," Douglas M. Chapin, chairman of the committee, said in a conference call.
In calling for an overhaul of medical education, the Car negie Commission said that the traditional sytem based on the classic report of Dr. Abraham Flexner in 1910 was no longer adequate by itself for American health needs.
However, these patterns cannot be diagnostic of disease or health on their own, particularly since a single determination of cytokine mRNA level in peripheral blood at one moment in time is not adequate by itself as a status marker.
A doubling over control was not necessarily considered adequate by itself (Miller et al. 1998).
Nevertheless, if one suspects — as one should — that the intransitivity of certain kinds of bodily sensations as a whole must have a unified explanation, one would be wise to conclude that the offered explanation is probably not the whole story, and thus might not be adequate all by itself.
Since final ethanol concentration is not an adequate metric by itself for comparing fermentation performances in this study, the data are analyzed and discussed with respect to ethanol metabolic yield, fermentation rates and percentage sugar consumption.
The overlook is too small to be an adequate visitor center by itself, but if expanded underground beneath the street to accommodate additional facilities, it could be linked to a new entrance accessible to the handicapped and situated on the same side of the street as the tomb.
Premarket approval was not "irrelevant to the tort suit" but was not by itself adequate to invoke pre-emption, Ms. Zieve said.
However, dependency chain analysis is not by itself adequate to develop an efficient risk mitigation strategy – one that specifies which critical infrastructures should have high priority for applying mitigation controls in order to achieve an optimal reduction in the overall risk.
