
Measurement Of Liquid Flow In Open Channels - Velocity-area Methods
出版:Association Francaise de Normalisation

专家解读视频
Defines methods for determining the velocity and cross-sectional area of water flowing in open channels without ice cover, and for computing the discharge therefrom. It also covers methods of employing current-meters or floats to measure the velocities.
Indice de classement: X10-301PR. Supersedes NFX 10 301: 1970 (01/2002) PR NF EN ISO 748 September 2001. (07/2001) PR NF EN ISO 748 August 2005. (08/2005)
NEN EN ISO 748:2007 - Identical
SS EN ISO 748 Ed. 2 (2007) - Identical
ISO 748:2007 - Identical
UNE EN ISO 748:2001 - Identical
NS EN ISO 748 Ed. 1 (2000) - Identical
I.S. EN ISO 748:2007 - Identical
UNI EN ISO 748:2003 - Identical
NBN EN ISO 748 Ed. 1 (2000) - Identical
ONORM EN ISO 748:2000 - Identical
DIN EN ISO 748 (2000-03) - Identical
BS EN ISO 748:2007 - Identical
SN EN ISO 748:2000 - Identical
DIN EN ISO 748 (2008-02) - Identical
NBN EN ISO 748:2007 - Identical
NS EN ISO 748 Ed. 2 (2007) - Identical
ONORM EN ISO 748:2008 - Identical
UNI EN ISO 748:2008 - Identical
SN EN ISO 748:2007 - Identical
EN ISO 748:2007 - Identical