Szukana fraza: [Abstract = "As a result of activation, the following changes were obtained in the properties of modified ash compared with unmodified ash\: sand fraction content \- reduced to 0.40, silt fraction content \- increased by 1.40, silt fraction content \- increased by 1.68, content of the sum of the dust and silt fractions \- increased by 1.49, specific surface \- increased by 1.65, fineness \- reduced by 0.48."]

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