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1986
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
Iron samples, enriched by 57Fe, are implanted with nitrogen ions at energy 45 keV with dose 5 × 1017 ions cm−2. The investigation is performed by conversion electron Mössbauer spectroscopy method. The effect of ageing of implanted samples at room temperature is investigated.