
Hydrometry - Measurement of Liquid Flow in Open Channels Using Current-meters or Floats
出版:National Standards Authority of Ireland

专家解读视频
Describes methods for determining the velocity and cross-sectional area of water flowing in open channels without ice cover, and for computing the discharge therefrom.
NF EN ISO 748:2009 - Identical
UNE EN ISO 748:2009 - Identical
DIN EN ISO 748 (2008-02) - Identical
SN EN ISO 748:2000 - Identical
BS EN ISO 748:2007 - Identical
DIN EN ISO 748 (2000-03) - Identical
ONORM EN ISO 748:2000 - Identical
NF EN ISO 748:2002 - Identical
NBN EN ISO 748 Ed. 1 (2000) - Identical
UNI EN ISO 748:2003 - Identical
NS EN ISO 748 Ed. 1 (2000) - Identical
UNE EN ISO 748:2001 - Identical
EN ISO 748:2007 - Identical
NEN EN ISO 748:2007 - Identical
ISO 748:2007 - Identical
SS EN ISO 748 Ed. 2 (2007) - Identical
SN EN ISO 748:2007 - Identical
UNI EN ISO 748:2008 - Identical
ONORM EN ISO 748:2008 - Identical
NS EN ISO 748 Ed. 2 (2007) - Identical
NBN EN ISO 748:2007 - Identical