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1990
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.
The paper discusses the influence of the carbonized layer and the effect of its separate characteristics upon polymer combustibility. The expressions relating burning rate with carbonized layer thickness and some properties of degradation products are presented and main directions of lowering carbonized materials combustion have been shown. They are to increase viscosity of pyrolysis products and to decrease coke penetrability.