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
Safety in emergencies. A procedure for justification and recording of measures for civil defense, measures for prevention of natural and technological emergencies in developing site planning projects
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