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DS/EN ISO 7779 - Acoustics – Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO 7779:2018)
December 17, 2018 - DS

This document specifies procedures for measuring and reporting the noise emission of information technology and telecommunications equipment. NOTE 1 - This document is considered part of a noise test code (see 3.1.2) for this type of equipment and is based on basic noise...

ISO DIS 21250-1 - Rolling bearings - Noise testing of rolling bearing greases - Part 1: Basic principles, testing assembly, test machine
February 8, 2019 - ISO

This document specifies - basic principles, testing assembly and the test machine for noise testing of rolling bearing greases; - symbols used by the test methods BQ+, MQ and NQ. This document is applicable for testing bearing greases and especially lubricating greases made for rolling...

GMW15641 - Noise Evaluation, Idle Rattle (Manual Transmission)
February 1, 2019 - GMW
A description is not available for this item.
GMW15642 - Subjective Rating of Gear Noise (Manual Transmission)
February 1, 2019 - GMW
A description is not available for this item.
DS/EN 1794-1 - Road traffic noise reducing devices – Non-acoustic performance – Part 1: Mechanical performance and stability requirements
January 2, 2019 - DS

This European Standard specifies criteria to categorize road traffic noise reducing devices according to basic mechanical performance under standard conditions of exposure, irrespective of the materials used. A range of conditions and optional requirements is provided in order to take into...

QPL-87819 - Headset-Microphone, (Hearing Protective Type, High and Moderate Ambient Noise Levels), General Specification for
February 8, 2019 - NPFC

QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-PRF-87819 Headset-Microphone, (Hearing Protective Type, High and Moderate Ambient Noise Levels), General Specification for This list has been prepared for use by or for the Government in the acquisition of...

Noise in Spintronics: From Understanding to Manipulation
August 23, 2018 - CRC

This book covers the main physical mechanisms and the different contributions (1/f noise, shot noise, etc.) behind electronic fluctuations in various spintronic devices. It presents the first comprehensive summary of fundamental noise mechanisms in both electronic and...

GMW8465 - Vehicle Level CRFM Fan Noise and Vibration Evaluation Procedure
March 1, 2019 - GMW
A description is not available for this item.
QPL-83511 - Headset-Microphone and Headset-Electrical (Medium Noise Attenuation, Hearing Protective), General Specification for
January 25, 2019 - NPFC

QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-DTL-83511 Headset-Microphone and Headset-Electrical (Medium Noise Attenuation, Hearing Protective), General Specification for This list has been prepared for use by or for the Government in the acquisition of...

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