State system for ensuring the uniformity of measurements. State verification scheme for measuring and reproduction instruments of sound pressure in water within frequency range from 1·10 -3 to 1·10 6 Hz
State system for ensuring the uniformity of measurements. Absolute spectral responsivity of detectors in the wave length range 0,120-0,400 nm. Measurement procedure
Packing. Gas chromatographic determination of benzene, toluene, ethylbenzene, m-, o- and p-xylene, isopropylbenzene, styrene, б-methylstyrene, benzaldehyde content in the air medium
€25
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