GB/T 25217.4-2019
冲击地压测定、监测与防治方法 第4部分:微震监测方法
Methods for test, monitoring and prevention of rock burst—Part 4: Monitoring method of microseismicity
- 实施日期
- 2020-05-01
- ICS 分类
- 73.010
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 25217.4-2019
Methods for test, monitoring and prevention of rock burst—Part 4: Monitoring method of microseismicity
GB/T 25217.3-2019
Methods for test, monitoring and prevention of rock burst—Part 3: Classification and laboratory test method on bursting liability of coal-rock combinations sample
GB/T 14506.34-2019
Methods for chemical analysis of silicate rocks—Part 34 :Determination of loss on ignition—Gravimetric method
GB/T 14506.32-2019
Methods for chemical analysis of silicate rocks—Part 32: Determination of 20 components including aluminium oxide etc.—Mixed acid digestion-inductively coupled plasma atomic emission spectrometry
GB/T 14506.31-2019
Methods for chemical analysis of silicate rocks—Part 31: Determination of 12 components including silicon dioxide etc.—Lithium metaborate fusion-inductively coupled plasma atomic emission spectrometry
GB/T 14353.21-2019
Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 21: Determination of arsenic content—Hydride generation atomic fluorescence spectrometry
GB/T 14353.20-2019
Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 20 : Determination of rhenium content—Inductively coupled plasma mass spectroscopy
GB/T 14353.19-2019
Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 19: Determination of tin content—Hydride generation atomic fluorescence spectrometry
GB/T 31949-2015
GB/T 31948-2015
GB/T 31947-2015
GB/T 6730.72-2016
GB/T 6730.73-2016
GB/T 37809-2019
General matching specification for fully-mechanized coal mining face in deeply inclined coal seam
GB/T 37808-2019
Design specification for conventional power supply system in fully-mechanized mining and top coal caving mining face
GB/T 37807-2019
Technical specification for underground goaf survey of open-pit coal mine
GB/T 6730.78-2019
Iron ores—Determination of cadmium content—Graphite furnace atomic absorption spectrophotometric method
GB/T 25217.12-2019
Methods for test, monitoring and prevention of rock burst—Part 12: Prevention method of protective seam mining
GB/T 37815-2019
General specification for intelligent dust fall system in fully-mechanized mining and top coal caving mining face
GB/T 37810-2019
General matching specification for large cutting height mining face