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2023
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.
Technology of contact hardening composite materials based on substandard raw materials is presented. Production of anhydrite binder having relatively high strength in comparison with other types of gypsum binders is shown. The scope of application of anhydrite binder: plaster and masonry mortars, floor screeds, solutions for filling mine workings, decorative facing plates, architectural details, small-piece wall stones, dry mixes.