International Electrotechnical Vocabulary (IEV) - Part 811: Electric traction
IEC 60050-811:2017 gives the general terminology relating to electric traction used in electrical equipment and systems for railways, as well as general terms pertaining to specific applications and associated technologies. This new edition reviews and complements the previous one. This terminology is consistent with the terminology developed in the other specialized parts of the IEV.
It has the…
Vocabulaire Electrotechnique International (IEV) - Partie 811: Traction électrique
IEC 60050-811:2017 donne la terminologie générale relative à la traction électrique utilisée dans le domaine des matériels et systèmes électriques ferroviaires, ainsi que les termes généraux relatifs à des applications particulières et technologies associées. Cette nouvelle édition révise et complète la précédente. Cette terminologie est en accord avec la terminologie figurant dans les autres…
Information technology - Security techniques - Key management - Part 4: Mechanisms based on weak sec...
ISO/IEC 11770-4:2017 defines key establishment mechanisms based on weak secrets, i.e. secrets that can be readily memorized by a human, and hence, secrets that will be chosen from a relatively small set of possibilities. It specifies cryptographic techniques specifically designed to establish one or more secret keys based on a weak secret derived from a memorized password, while preventing…
Produits consommables pour le soudage — Conditions techniques de livraison des produits d'appor...
ISO 544:2017 spécifie les conditions techniques de livraison des produits d'apport et des flux utilisés pour le soudage par fusion.
ISO 544:2017 ne s'applique pas aux autres produits consommables auxiliaires, tels que les gaz de protection.
Welding consumables — Technical delivery conditions for filler materials and fluxes — Type of produc...
ISO 544:2017 specifies technical delivery conditions for filler materials and fluxes for fusion welding.
ISO 544:2017 does not apply to other auxiliary materials such as shielding gases.
Tractors and machinery for agriculture and forestry — Speed Identification Sign (SIS)
ISO 20383:2017 specifies the dimensions, characteristics, and positioning of Speed Identification Signs (SIS). These signs indicate the maximum equipment ground speed, based on the ground speed design capability, for an agricultural vehicle.
A rear-facing SIS is visible to other operators on public roads approaching the equipment from behind. A forward-facing SIS, mounted on the front of towed…
