Transmissions hydrauliques — Évaluation des caractéristiques du bruit liquidien des composants et sy...
La présente partie de l'ISO 15086 décrit la procédure d'évaluation de la vitesse du son émis par un fluide contenu dans un tube, par la réalisation de mesurages à partir de capteurs de pression montés sur ledit tube. La présente partie de l'ISO 15086 s'applique à tous les types de circuits hydrauliques fonctionnant dans des conditions de régime établi, indépendamment de leur…
This international standard applies to suspension diaphragms designed to be fitted on railway vehicles and similar vehicles running on dedicated tracks with permanent guide systems, whatever the type of rail and the running surface.
This international standard does not detail other components of pneumatic suspension assemblies or control systems such as air reservoirs, frames, stiffeners,…
Mesurage de la radioactivité — Détermination de l'activité des radionucléides émetteurs bêta — ...
ISO 19361:2017 s'applique aux compteurs à scintillations en milieu liquide et requiert la préparation d'une source scintillante obtenue en mélangeant la prise d'essai et un cocktail scintillant. La prise d'essai peut être liquide (aqueux ou organique) ou solide (particules, filtre ou planchette).
ISO 19361:2017 décrit les conditions de mesure de l'activité de…
Traditional Chinese medicine — Polygala tenuifolia and Polygala sibirica root
This document specifies minimum requirements and test methods for Polygala tenuifolia and Polygala sibirica root.
This document applies to Polygala tenuifolia and Polygala sibirica root that are sold and used as natural medicines in international trade, including Chinese materia medica (whole medicinal materials) and decoction pieces.
Interior air of road vehicles — Part 12: Textiles made from polyvinyl chloride (PVC) or polyurethane...
This document specifies a test method which is intended to determine the fogging characteristics of synthetic PVC and polyurethane leathers that are used as trim materials in the interior of motor vehicles.
The method may also be applicable to fluid, pasty, powdered or solid raw materials which are the basis for such trim materials or from which the materials are manufactured. The method may also…
Diesel engines — High-pressure fuel injection pipe assemblies — General requirements and dimensions
ISO 13296:2016 specifies dimensions and requirements for high-pressure fuel injection pipe assemblies and assembled pipe sets for both integral and fabricated 60° female cones used on diesel (compression-ignition) engines.
NOTE Dimensions of integral and fabricated 60° female cone connectors are specified in ISO 2974.
Optics and photonics — Optical transfer function — Principles and procedures of measurement
ISO 9335:2012 gives general guidance for the construction and use of equipment for measurement of the optical transfer function (OTF) of imaging systems.
It specifies important factors that can influence the measurement of the OTF, and gives general rules for equipment performance requirements and environmental controls. It specifies important precautions that should be taken to ensure accurate…