Étude de l'aptitude au brasage au moyen d'un essai de mouillage et de capillarité
Le présent document spécifie trois méthodes d'essai pour étudier l'aptitude au brasage fort.
Un essai de mouillage présente une méthode d'essai avec mesure de la zone de mouillage des métaux d'apport.
Un essai avec un assemblage en T décrit un schéma de conception et une méthode d'essai pour des éprouvettes en T.
Un essai avec éprouvette à jeu variable décrit une…
Women's entrepreneurship — Key definitions and general criteria
This document establishes a set of common definitions related to women's entrepreneurship, such as those for women-owned business and women-led business. This document also defines women-led cooperatives and women-led informal enterprises. These definitions can be used, for example, in women's economic empowerment programmes (such as procurement and trade programmes) and for the…
Investigation of brazeability with spreading and gap-filling test
This document specifies three test methods for investigating brazeability.
A spreading test shows testing method with measurement of the spread area of the filler metals.
A T-joint test describes a scheme to construct a T-shape design by the test pieces and a testing method.
A varying gap test describes a test piece and a testing method for assessing the influence of the various parameters which…
Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 2: B...
IEC 61937-2:2021 specifies the digital audio interface to convey non-linear PCM encoded audio bitstreams applying IEC 60958-1 and IEC 60958-3. This document specifies burst-info, which defines content information about the data contained in the burst-payload. IEC 61937-2:2021 cancels and replaces the second edition published in 2007, Amendment 1:2011 and Amendment 2:2018. This edition constitutes…
Audionumérique - Interface pour les flux de bits audio à codage MIC non linéaire selon l'IEC 60...
L'IEC 61937-2:2021 spécifie l'interface audionumérique pour l'acheminement des flux de bits audio à codage MIC non linéaire selon l'IEC 60958-1 et l'IEC 60958-3. Le présent document spécifie les informations relatives à la salve, qui définissent les informations de contenu concernant les données contenues dans la charge utile de la salve. L'IEC 61937-2:2021 annule et…
Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 2: B...
IEC 61937-2:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61937-2:2021 specifies the digital audio interface to convey non-linear PCM encoded audio bitstreams applying IEC…
Household and similar electrical appliances - Safety - Part 2-30: Particular requirements for room h...
IEC 60335-2-30:2009+A1:2016+A2:2021 Deals with the safety of electric room heaters for household and similar purposes, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. Examples of appliances that are included are:
- convection heaters;
- fan heaters;
- heaters for greenhouses;
- liquid-filled radiators;
- panel heaters;
- radiant…
