Information processing; 9-Track, 12,7 mm (0.5 in) wide magnetic tape for information interchange; Format and recording, using group coding at 246 cpmm (6 250 cpi)— 18 стр.
Milk and milk products. Determination of nitrate content. Method by enzymatic reduction and molecular- absorption spectrometry after Griess reaction— 24 стр.
Materials produced from end of life tyres. Specification of categories based on their dimension(s) and impurities and methods for determining their dimension(s) and impurities— 52 стр.
Soil improvers and growing media. Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory compacted bulk density— 20 стр.
Road and airfield surface characteristics. Test methods. Measurement of pavement surface macrotexture depth using a volumetric patch technique— 14 стр.
Aggregates. Aggregates for unbound and hydraulically bound materials for use in civil engineering works and road construction. Guidance on the use of BS EN 13242— 34 стр.
Aggregates. Aggregates for bituminous mixtures and surface treatments for roads, airfields and other trafficked areas. Guidance on the use of BS EN 13043— 30 стр.
Representation of results of particle size analysis. Calculation of average particle sizes/diameters and moments from particle size distributions— 38 стр.
Storage, transportation and maintenance of media for use in data processing and information storage, Recommendations for magnetic tape on open spools— 26 стр.
