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Double tube core barrels for exploration drilling. Types and main parameters
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Brown coals, hard coals and anthracites. Methods for determination of beryllium, boron, manganese, barium, chromium, nickel, cobalt, lead, gallium, vanadium, copper, zinc, molybdenum, yttrium and lanthanum
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Liquid petroleum products. Petroleum. Determination of benzene content by method of gas chromatography
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Engine oils. Method for determination of apparent viscosity at temperatures between -5 deg. C and -35 deg. C using the cold-cranking simulator
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