GOST 23920-79

Silica glass and glass crystal materials. Determination of density

Nature protection. Atmosphere. Indophenol method for determination of ammonia

Gas distribution systems. Management systems of gas distribution network

System of design documentation for construction. Drawings for hydro-land-reclamation linear structures. Rules of execution

State system for ensuring the uniformity of measurements. Standard reference data. Parahydrogen, liquid and gaseous. Density, enthalpy, entropy, isochoric, isobaric heat capacities and speed of sound at temperatures from 14 K up to 1000 K and pressures up to 100 MPa

Ergonomics. The human-centred organization. Guidance for managers