BIOLOGICAL CONTROL. DETERMINATION OF DELTA-AMINOLEVULINIC DEHIDRATASE (ALA-D) ACTIVITY IN BLOOD. SPECTROMETRIC METHOD.
Edition 1991-09-09

Tests for filler aggregate used in bituminous mixtures - Part 1: Delta ring and ball test; German version EN 13179-1:2013
Edition 2017-04

Rubber, unvulcanized - Determinations using a shearing-disc viscometer - Part 3: Determination of the Delta Mooney value for non-pigmented, oil-extended emulsion-polymerized SBR (ISO 289-3:2015)
Edition 2018-12

Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of α-, β-, γ- and δ-tocopherols; German version EN 12822:2014
Edition 2014-08

Conservation of cultural property - Test methods - Determination of water vapour permeability (δₚ); German version EN 15803:2009
Edition 2010-04

Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan δ) and d.c. resistivity (IEC 60247:2004); German version EN 60247:2004
Edition 2005-01

Portable protective devices intended for an increase in the protection level for 230 V a.c. rated voltage, 16 A rated current, rated residual current IΔn ≤30 mA
Edition 1988-04

Determination of Delta Ferrite Content
Edition 2020-01-13

Tests for filler aggregate used in bituminous mixtures - Part 1: Delta ring and ball test
Edition 2014-04

Space data and information transfer systems. Delta-differential one-way ranging (Delta-DOR) operations
Edition 2014-07-31