NEN EN 14407:2014现行
Water Quality - Guidance For The Identification And Enumeration Of Benthic Diatom Samples From Rivers And Lakes
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines methods for the identification and enumeration of relative proportions of diatom taxa on prepared slides and of data interpretation relevant to assessments of water quality in rivers and lakes.
ONORM EN 14407:2004 - Identical
SS EN 14407 Ed. 1 (2005) - Identical
UNI EN 14407:2004 - Identical
UNE EN 14407:2005 - Identical
NS EN 14407 Ed. 1 (2004) - Identical
I.S. EN 14407:2004 - Identical
NF EN 14407:2004 - Identical
NBN EN 14407:2004 - Identical
DIN EN 14407 (2004-10) - Identical
BS EN 14407:2014 - Identical
NS EN 14407:2014 - Identical
SS EN 14407 Ed. 2 (2014) - Identical
UNE EN 14407:2015 - Identical
NF EN 14407:2014 - Identical
NBN EN 14407:2014 - Identical
UNI EN 14407:2014 - Identical
ONORM EN 14407:2014 - Identical
