NS EN 13946:2014现行
Water Quality - Guidance For The Routine Sampling And Preparation Of Benthic Diatoms From Rivers And Lakes
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines a method for the sampling and laboratory preparation of benthic diatoms for ecological status and water quality assessments.
I.S. EN 13946:2014 - Identical
NF EN 13946:2014 - Identical
BS EN 13946:2014 - Identical
NEN EN 13946:2014 - Identical
UNI EN 13946:2014 - Identical
ONORM EN 13946:2014 - Identical
SS EN 13946 Ed. 2 (2014) - Identical
NBN EN 13946:2014 - Identical
SN EN 13946:2014 - Identical
DIN EN 13946 (2003-09) - Identical
UNE EN 13946:2004 - Identical
UNE EN 13946:2014 - Identical
