In a report last year on radiation standards, the General Accounting Office, the investigative arm of Congress, said: "The standards administered by E.P.A. and N.R.C. to protect the public from low-level radiation exposure do not have a conclusive scientific basis, despite decades of research".
The models are robust enough for regulatory use, though as with all such models should be used in conjunction with other approaches to develop a "weight of evidence" basis for conclusive decision making.
As many as 21 (81%) of pilot studies suggested the need for further investigation of the tested drug or procedure and did not report conclusive results on the basis of their pilot data.
While not conclusive, there is some empirical basis for recommending that CRTs should provide extended opening hours and include a psychiatrist within the CRT team.
And without conclusive data, people also have little basis of defending the decisions they do make, he said.
Related assessments of fermentation or nutritive value determined on a whole-bale basis have been less conclusive.
At last a government agency has rejected a genetically modified crop on the basis of a lack of conclusive scientific evidence that it is safe for consumers and the environment.
The primary, subsequent and conclusive screening for inclusion will be on the basis of the article title, abstract and full text, respectively.
Our detection of these larger transcripts provided substantial evidence for differential processing, though still not conclusive, suggesting this might be part of the basis for the miRNA expression in specific tissues or developmental stages in peach.
Several lines of investigations, while each not conclusive in its own right, provide a tentative basis for this type of redundancy to play a subordinate role in the SRF gene family.
