GB/T 23251-2021
煤化工用煤技术导则
Guideline for coal used in coal chemical technology
- 实施日期
- 2022-07-01
- ICS 分类
- 73.040
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。
找到 272 条
GB/T 23251-2021
Guideline for coal used in coal chemical technology
GB/T 23810-2021
Commercial coal quality—Coal for direct liquefaction
GB/T 41025-2021
Guidelines for disposal of abandoned coalbed methane well
GB/T 40697-2021
Specification for management of the third-party coal testing
GB/T 40547-2021
Design guidelines for coalbed methane well drilling and completion
GB/T 40546-2021
Design specification for coalbed methane well drainage engineering
GB/T 40545-2021
Guidelines of hydraulic fracturing for coalbed methane well
GB/T 40503-2021
Measuring methods of secondary coal slime content in coal preparation plant
GB/T 40485-2021
Method of determining automatically the random reflectance of vitrinite in coal—Image analysis method
GB/T 19559-2021
Method of determining coalbed methane content
GB/T 15224.2-2021
Classification for quality of coal—Part 2: Sulfur content
GB/T 25217.8-2021
Methods for test, monitoring and prevention of rock burst—Part 8: Monitoring method of electromagnetic radiation
GB/T 39836-2021
Test methods for slagging indexes in coal combustion
GB/T 39833-2021
Test method for coal combustion characteristics—One-dimensional furnaces method
GB/T 39538-2020
Determination of arsenic, selenium and mercury in coal—Hydride generation-atomic fluorescence spectrometry
GB/T 25217.9-2020
Methods for test, monitoring and prevention of rock burst—Part 9: Prevention method of water infusion on coal seam
GB/T 20475.5-2020
Classification for content of harmful elements in coal―Part 5:Fluorine
GB/T 25217.6-2019
Methods for test, monitoring and prevention of rock burst—Part 6: Monitoring method of drilling bits
GB/T 25217.10-2019
Methods for test, monitoring and prevention of rock burst—Part 10: Prevention method of drillhole destressing on coal-seam
GB/T 25217.7-2019
Methods for test, monitoring and prevention of rock burst—Part 7: Monitoring method of mining-induced stress