[GB/T 15590-1995] 显微煤岩类型测定方法[已作废]
发布时间:1995-06-12
实施时间:1996-02-01
本标准规定了在粉煤光片或块煤光片上测定显微煤岩类型的体积百分含量的方法。本标准适用于烟煤和无烟煤。
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[GB 12937-1991] 煤岩术语[已作废]
发布时间:1992-03-01
实施时间:1992-03-01
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发布时间:1992-01-20
实施时间:1992-07-01
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[DZ/T 0002.1-1991] 含煤岩系钻孔岩芯描述标准--沉积构造部分[已作废]
发布时间:1991-10-01
实施时间:1991-10-01
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[DZ/T 0002.2-1991] 含煤岩系钻孔岩芯描述标准--岩石成因类型部分[已作废]
发布时间:1991-10-01
实施时间:1991-10-01
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发布时间:1987-11-18
实施时间:1987-12-10
本标准适用于遇水不崩解的岩石吸水性的测定。岩石的吸水性可用自然吸水率和强制吸水率表示。岩石的自然吸水..
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发布时间:1987-11-18
实施时间:1987-12-10
本标准适用于岩石含水率的测定。岩石在天然状态下所含水分的质量与岩石烘干后的质量之比为岩石的含水率。
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