The phrase "as a standard source" is correct and usable in written English.
It can be used when referring to a commonly accepted or recognized reference point in a particular field or context.
Example: "The textbook is often cited as a standard source for understanding the principles of economics."
Alternatives: "as a reference point" or "as a primary source".
A new graphite pile designed to serve as a standard source of thermal neutrons has been built at the Czech Metrology Institute.
22 The MBR was used as a standard source of information to validate the maternal recalls.
The CEA Registry, now operated by the Institute for Clinical Research and Health Policy Studies at the Tufts-New England Medical Centerecognisedgnised as a standard source for disease utility estimates [ 37].
Beetroot (20 mg freeze dried sample of red root) was used as a standard source of betalains, and strong peaks with the expected retention times and spectra data were observed.
These are weighted by the journal Impact Factor (using Impact Factors from a standard source, such as JCR Web) and also weighted by author position (see the section on Name Position below).
These survey meters were calibrated in April 2011 , 2012 and 2013 before field surveys and also in November 2011 (or in November 2008 and December 2011 for TCS-161 with operation check every month) using Ra as a standard radiation source.
NCBI's Database for Annotation, Visualization and Integrated Discovery (DAVID 2007) was used as the standard source for gene annotation information [ 22].
NCBI's Database for Annotation, Visualization and Integrated Discovery (DAVID 2.0) was used as the standard source for gene annotation information [ 9].
He explained to me that the company wanted to go the open source route, but planned to eventually monetize by charging larger customers for support, as is a standard practice for open source-based companies.
The PredictProtein suite is available as a standard set of open source Debian packages.
More research is needed before nested cross-validation can be recommended as a standard solution to bias source II.
