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State systems for ensuring the uniformity of measurements. Method of measurement of spectral diffuse reflectance of photovoltaic elements and solar collectors at angles of incidence of the radiation from 5 ° to 85 °
Document status: Active
Technical diagnostics. Determination of the cracks depth on the steel products surface by ultrasonic method using surface waves. General requirements
Document status: Active
Urea for industrial use. Photometric method for determination of biuret content
Document status: Cancelled
Gas distribution systems. Design, construction and liquidation of natural gas distribution networks. Part 0. General requirements
Document status: Active