Connectors for electronic equipment - Tests and measurements - Part 25-1: Test 25a - Crosstalk ratio.
Edition 2002-09-30

Metallic materials - Sheet and strip - Determination of plastic strain ratio (ISO 10113:2020)
Edition 2020-06-10

Rubber - Analysis by pyrolytic gas-chromatographic methods - Part 2: determination of styrene/ butadiene/isoprene ratio
Edition 2024-06-05

Liquid petroleum products - Determination of the ignition quality of diesel fuels - Fixed compression ratio engine method
Edition 2024-05-14

Gas/air ratio controls for gas burners and gas burning appliances - Part 2: Electronic types
Edition 2004-11-12

Fibre optic communication system design guides. In-band optical signal-to-noise ratio (OSNR)
Edition 2016-03-31

Methods of sampling and testing asphalt Field density tests - Density ratio and percentage air voids of compacted asphalt
Edition 2014

Determination of Signal-to-Noise Ratio and Image Uniformity for Single-Channel Non-Volume Coils in Diagnostic MR Imaging
Edition 2008

Methods of testing soils for engineering purposes Soil strength and consolidation tests - Determination of the California Bearing Ratio of a soil - Standard field-in-place method
Edition 1998

Standard Test Method for The Determination of the Oxygen to Metal (O/M) Ratio in Sintered Mixed Oxide ((U, Pu)O2) Pellets by Gravimetry
Edition 2016