Methods for determining the physical and mechanical properties of coal and rock—Part 3:Methods for determining the block density of coal and rock
中国煤炭工业协会
GB/T 23561的本部分规定了煤和岩石块体密度测定中涉及的术语和定义、密封法和量积法所需的仪器和测定步骤。
本部分适用于煤和岩石块体密度的测定。密封法适用于所有煤和岩石，量积法适用于能加工成规则试件的煤或岩石。
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