Water quality - Guidance standard for assessing the hydromorphological features of rivers
Hydrometrie. Durchflussmessung in offenen Gerinnen mittels Flie?geschwindigkeitsmessger?ten oder Schwimmern Hydrometry. Measurement of liquid flow in open channels using current-meters or floats Hydrom...
实施日期:2007-11-30
Water quality. Guidance standard for the identification, enumeration and interpretation of benthic diatom samples from running waters
Hydrometry -- Acoustic Doppler profiler -- Method and application for measurement of flow in open channels
发布日期:2012-05-01 实施日期:2012-05-01
Hull structure-Drain hole,air hole,clearance hole and scallop for seal welding
发布日期:2008-03-17 实施日期:2008-10-01
Water quality -- Biological classification of rivers -- Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates
发布日期:2000-03-01 实施日期:2000-03-01
Hydrometric determinations - Cableway systems for stream gauging.
Hydrometric determinations - Cableway systems for stream gauging
Water quality - Guidance standard for the routine sampling and pretreatment of benthic diatoms from rivers
Water quality. Guidance standard for the surveying of aquatic macrophytes in running waters
实施日期:2003-09-25
Methods for flood hole design and calculation of submarine
发布日期:2011-07-19 实施日期:2011-10-01
实施日期:2008-10-31
实施日期:2003-09-25
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