Microbiology of the food chain — Horizontal method for the detection and enumeration of Clostridium ...
This document specifies the detection of Clostridium (C.) perfringens.
This document is applicable to:
— products intended for human consumption;
— products intended for animal feeding;
— environmental samples in the area of food and feed production and handling;
— samples from the primary production stage.
This horizontal method was originally developed for the examination of all…
Microbiologie de la chaîne alimentaire — Méthode horizontale pour la recherche et le dénombrement de...
Le présent document définit la recherche de Clostridium (C.) perfringens.
Le présent document s’applique:
— aux produits destinés à la consommation humaine;
— aux produits destinés à l’alimentation animale;
— aux échantillons environnementaux prélevés dans les secteurs de la production et de la distribution des aliments;
— aux échantillons issus du stade de la production primaire…
Information technology — Artificial intelligence — Overview of machine learning computing devices
This document surveys machine learning (ML) computing devices, including the following:
— ML computing device terminology and characteristics;
— existing approaches to the setting and use of characteristics for optimizing ML computing device performance.
The information provided in this document is relevant for organizations of all types and sizes.
Explosive atmospheres - Part 49: Flame arresters - Performance requirements, test methods and limits...
ISO/IEC 80079-49:2024 specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use…
Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitri...
This document gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory products including:
a) SiC raw materials;
b) graphite brick containing silicon carbide;
c) silicon carbide brick (includes the bricks containing silicon nitride, silicon oxynitride, sialon);
d) …
Matériaux de référence — Approches pour la caractérisation et l’évaluation de l’homogénéité et la st...
Le présent document explique des concepts et offre des approches concernant les aspects suivants de la production de matériaux de référence (MR):
— l’évaluation de l’homogénéité;
— l’évaluation de la stabilité et la gestion des risques associés aux problèmes potentiels de stabilité liés aux propriétés d’intérêt;
— la caractérisation et l’attribution de valeurs pour les propriétés d’un…
Reference materials — Approaches for characterization and assessment of homogeneity and stability
This document explains concepts and provides approaches to the following aspects of the production of reference materials (RMs):
— the assessment of homogeneity;
— the assessment of stability and the management of the risks associated with possible stability issues related to the properties of interest;
— the characterization and value assignment of properties of an RM;
— the…
Analyse chimique des matières premières et des produits réfractaires contenant du carbure de siliciu...
Le présent document donne des définitions et spécifie des techniques de préparation des échantillons pour l'analyse chimique des matières premières et des produits réfractaires contenant du carbure de silicium comprenant:
a) matières premières contenant du carbure du silicium;
b) brique de graphite contenant du carbure de silicium;
c) brique de carbure de silicium (inclut…
Photography — Lenticular print for changing images — Measurements of image quality
This document specifies the measurement methods and specification of image quality of lenticular prints that are used for changing images. This document does not cover lenticular prints that are used for 3D images.
NOTE Lenticular prints for 3D images can be measured with the same types of procedures. However, it needs more information, such as the dependence of the measurement…
Explosive atmospheres - Part 49: Flame arresters - Performance requirements, test methods and limits...
ISO/IEC 80079-49:2024 specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use…
