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Comprehensive guide to thesaurus construction, maintenance, and interoperability 1. Understanding Thesaurus Structures for Information Retrieval ISO 25964-1:2011 provides comprehensive guidance on the construction, maintenance, and management of thesauri for information retrieval systems. A thesaurus is a controlled vocabulary arranged in…
Mapping strategies between thesauri, classifications, taxonomies, ontologies, and terminologies 1. Mapping Structural Models ISO 25964-2:2013 addresses interoperability between thesauri and other vocabularies including classification schemes, taxonomies, subject heading schemes, ontologies, and terminologies. Three structural models are defined. Structural Unity merges…
Safety requirements for transparent welding protective barriers against optical radiation and spatter 1. Optical Radiation Protection Requirements ISO 25980:2023 specifies safety requirements for transparent welding curtains, strips, and screens in arc welding workplaces. These protective barriers shield peripheral workers from…
Complete guide to fireworks testing under ISO 25947-2: thermal stability, drop test, friction sensitivity, performance verification ISO 25947-2 specifies the complete suite of test methods for evaluating fireworks performance, safety characteristics, and compliance with classification requirements. Published in 2010, this…
Comprehensive guide to fireworks labelling requirements under ISO 25947-3: label content, format specifications, durability testing ISO 25947-3 establishes uniform labelling requirements for fireworks, ensuring that consumers, distributors, and regulatory authorities have clear access to essential safety information, usage instructions, and…
Complete guide to fireworks packaging under ISO 25947-4: material specifications, structural testing, transport safety ISO 25947-4 establishes comprehensive packaging requirements for fireworks to ensure safe handling, storage, and transport throughout the supply chain. Published in 2004, this standard addresses packaging…
Detailed examination of fireworks performance requirements under ISO 25947-5: burn time, height, noise, ignition reliability ISO 25947-5 defines the performance requirements and acceptance criteria for fireworks articles across all categories. Published in 2011, this standard establishes minimum and maximum performance…
Comprehensive terminology standard for welding health and safety covering sampling, measurement, equipment, and personal protective equipment terms. Overview of ISO 25901-2:2022 ISO 25901-2:2022 is the health and safety vocabulary component of the ISO 25901 series on welding and allied processes…
Standardized eddy-current examination methods for seamless titanium tubes, covering apparatus calibration, reference standards, and acceptance criteria. Introduction to ISO 25902-1:2009 ISO 25902-1:2009 specifies the eddy-current examination method for detecting surface and near-surface discontinuities in seamless titanium pipes and tubes. As…
Ultrasonic testing standard for longitudinal defects in titanium seamless and welded tubes, covering apparatus, calibration, test methods, and acceptance criteria. Introduction to ISO 25902-2:2010 ISO 25902-2:2010 specifies an ultrasonic testing (UT) method for detecting longitudinal imperfections in titanium seamless tubes…