DIN EN ISO 11201
Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Engineering method in an essentially free field over a reflecting plane (ISO 11201:1995, including Cor 1:1997)
废止
发布日期 :
2001-11-01
实施日期 :
DIN 38412-34
German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 34: Determination of the inhibitory effect of waste water on the light emission of Photobacterium phosphoreum (test using preserved luminescent bacteria (L34))
废止
发布日期 :
2001-07-01
实施日期 :
DIN 51457
Testing of ceramic raw and basic materials - Direct determination of mass fractions of trace impurities in powders, granules and lumps of graphite by optical emission spectroscopy by inductively coupled plasma (ICP OES) and by electrothermal vaporization (ETV) under the action of a halogenated reaction gas (modifiers)
废止
发布日期 :
2001-05-01
实施日期 :
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