Investigations of the raw material in hard-coal-mining; determination of the particle-size-distribution <kleiner>60 µm by ultrasonic-microsieve-analysis— 8 стр.
German standard methods for the examination of water, waste water and sludge - General measures of effects and substances (group H) - Part 22: Determination of dissolved adsorbable and organically bound halogens in salt loaded water (SPE-AOX) (H 22)— 22 стр.
German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by volume in water and waste water (H9)— 7 стр.
German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by mass concentration in water and waste water (H10)— 5 стр.