Matériaux métalliques — Essai de pénétration instrumenté pour la détermination de la dureté et de pa...
L'ISO 14577-2:2015 spécifie la méthode de vérification et d'étalonnage des machines d'essai destinées à la réalisation de l'essai de pénétration instrumenté conformément à l'ISO 14577‑1:2015.
Elle décrit une méthode de vérification directe pour contrôler les fonctions principales de la machine d'essai et une méthode de vérification indirecte appropriée pour la…
Matériaux métalliques — Essai de pénétration instrumenté pour la détermination de la dureté et de pa...
L'ISO 14577-1:2015 spécifie la méthode d'essai de pénétration instrumenté pour la détermination de la dureté et d'autres paramètres de matériaux pour les trois plages suivantes : Macro-intervalle, 2 kN ≤ F ≤ 30 kN ; Micro-intervalle, 2 > F ; h > 0,2 µm ; et Nano-intervalle, h ≤ 0,2 µm.
Pour la nano-intervalle, la déformation mécanique dépend fortement de la forme réelle de la…
Information technology — Security techniques — Random bit generation
This document specifies a conceptual model for a random bit generator for cryptographic purposes, together with the elements of this model.
This document specifies the characteristics of the main elements required for both non-deterministic and deterministic random bit generators. It also establishes the security requirements for both non- deterministic and deterministic random bit generators.…
Water quality — Sampling — Part 27: Guidance on sampling for microplastics in water
This document describes the methodology for the sampling of suspended microplastic particles in water (drinking water, surface waters, freshwater, seawater, wastewater-treated effluents, and untreated wastewater), for their subsequent characterisation which may include particle count, sizing, polymer identification and other physical or chemical analyses (including, for example, analysis via…
Medical gas pipeline systems — Part 3: Proportioning units for the production of synthetic medical a...
This standard applies to proportioning units intended to produce synthetic medical air and air for driving surgical tools by mixing in defined proportions oxygen and nitrogen.
This standard applies to proportioning units intended to be components of a medical gas supply system for medical air which supplies a medical gas pipeline distribution system complying with ISO 7396-1.
The number of…
Ships and marine technology — Marine combined connecting mooring line
This standard specifies classification, structure and symbol, design requirement, testing and inspection methods, marking of marine combined connecting mooring line (hereinafter referred to as combined line).
This standard applies to design, manufacture and inspection of combined line for tanker, combined line used in others types of ships can selected by reference.
Information technology — MPEG audio technologies — Part 4: Dynamic range control
This document specifies technology for loudness and dynamic range control. It is applicable to most MPEG audio technologies. It offers flexible solutions to efficiently support the widespread demand for technologies such as loudness normalization and dynamic range compression for various playback scenarios.
Electronic fee collection — Information exchange between service provision and toll charging
This document specifies:
— the interfaces between electronic fee collection (EFC) back-office systems for vehicle-related transport services, e.g. road user charging, parking and access control;
— an exchange of information between the back end system of the two roles of service provision and toll charging, e.g.:
— charging-related data (toll declarations, billing details),
— …
Gas cylinders — Design, construction and testing of refillable seamless steel gas cylinders and tube...
This document specifies the minimum requirements for the materials, design, construction and workmanship, manufacturing processes, examinations and testing at time of manufacture for refillable, seamless, stainless steel gas cylinders with water capacities up to and including 150 l.
It is applicable to cylinders for compressed, liquefied and dissolved gases with a maximum actual tensile strength…
