Soils. Methods for determination of conductivity, pH, and dissolved solids of aqueous extract
Почвы. Методы определения удельной электрической проводимости, pH и плотного остатка водной вытяжки |
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GOST 24756-81Containers and process vessels. Standards and … |
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FMBA SN 2-2-4-2-1-8-566-96Manufacturing vibration, vibration in rooms of … |
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OST 39-091-79Oil and gas treating plants |