Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 11: ...
IEC 61937-11:2021 describes the method to convey non-linear PCM bitstreams encoded in accordance with the MPEG-4 AAC format and its extensions (spectral band replication, parametric stereo and MPEG surround), and non-linear PCM bitstreams encoded in accordance with the MPEG-D USAC format, framed in MPEG-4 LATM/LOAS. IEC 61937-11:2021 cancels and replaces the first edition published in 2010, and…
Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requiremen...
IEC 62133-2:2017+A1:2021 specifies requirements and tests for the safe operation of portable sealed secondary lithium cells and batteries containing non-acid electrolyte, under intended use and reasonably foreseeable misuse.
This first edition cancels and replaces the second edition of IEC 62133 published in 2012. It constitutes a technical revision.
This edition includes the following…
Accumulateurs alcalins et autres accumulateurs à électrolyte non acide - Exigences de sécurité pour ...
L'IEC 62133-2:2017+A1:2021 spécifie les exigences et les essais pour le fonctionnement en toute sécurité des accumulateurs portables étanches au lithium contenant un électrolyte non acide dans des conditions d’utilisations prévues et dans des conditions d’utilisations abusives raisonnablement prévisibles.
Cette première édition annule et remplace l'IEC 62133 parue en 2012. Cette…
Equipment for harvesting — Combine harvesters — Test procedure and performance assessment
This document specifies a test procedure for the measurement and testing of combine harvesters. It applies to either self-propelled or trailed type, either directly cutting the crop or picking it up from a windrow, for use in several crops.
This document specifies the terminology and methods to be used for measuring important characteristics of combine harvesters. It includes both functional and…
Construction procurement — Part 3: Standard conditions of tender
This document sets out standard conditions of tender which
bind the employer and tenderer to behave in a particular manner,
establish what a tenderer is required to do in order to submit a compliant tender,
make known the evaluation criteria to tenderers, and
establish the manner in which the employer conducts the process of offer and acceptance and provide the necessary feedback to tenderers on…
Supports textiles revêtus de caoutchouc ou de plastique — Détermination de la résistance aux craquel...
Le présent document spécifie une méthode pour la détermination de la résistance des supports textiles revêtus de caoutchouc ou de plastique aux craquelures dues à l'ozone dans des conditions statiques.
L'essai vise à déterminer la résistance relative aux craquelures des supports textiles revêtus de caoutchouc ou de plastique, lorsqu'ils sont exposés sous tension statique à de l…
Rubber- or plastics-coated fabrics — Determination of resistance to ozone cracking under static cond...
This document specifies a method for the determination of the resistance of fabrics coated with rubber or plastics to ozone cracking under static conditions.
The test is designed to determine the relative resistance to cracking of fabric coated with rubber or plastics when exposed under static strain to air containing ozone in the absence of direct sunlight.
Like all ageing tests, it should be…
This document presents the description and the results of the three studies conducted by United Kingdom, France and Germany related to grain sampling in order to define a harmonized sampling protocol for official controls.
These results had been used to draft ISO 24333.
