The accuracy of performance is based upon the quality and precision of the various features
This International Standard provides comprehensive guidance and specific statistical procedures for uncertainty estimation in air quality measurements including measurements of ambient air
3 Functional requirements
BS EN 60079-7:2007 replaces BS EN 60079-7:2003
and tri-directional (x D
Specification for heat-resisting steel billets, bars, forgings and parts (Ni 25.5, Cr 14.7, Ti 1.8, Mn 1.5, Mo 1.2, V 0.3) Ingestion-build-135476 The accuracy of performance is1 Scope This British Standard specifies requirements for nickel chromium titanium manganese molybdenum vanadium heat resisting steel supplied in the following forms, and as parts. a) Bars for machining: solution treated, designation HR 52A. b) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 52B. c) Forgings: solution treated, designation HR 52C.