D 21 标准查询与下载
共找到 33 条与 相关的标准，共 3 页
Rapid Determination of Ash Content in Coal by Oxygen Bomb Method
- ICS
- 73.040000000000006
- CCS
- D 21
- 发布
- 2023-02-06
- 实施
- 2023-03-06
Determination of Fluorine Content in Solid Biomass Fuel Oxygen Bomb Combustion-Ion Selective Electrode Method
- ICS
- 75.160.10
- CCS
- D 21
- 发布
- 2022-08-10
- 实施
- 2022-09-10
Coal slime sample manual collection and preparation method
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2020-08-03
- 实施
- 2020-09-03
Determination of fluorine content in imported coal by alkali fusion-fluorine ion selective electrode method
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2018-11-12
- 实施
- 2018-12-30
Determination of Germanium Content in Coal by Atomic Fluorescence Spectrometry
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2018-09-17
- 实施
- 2018-12-01
Determination method of slagging property of raw coal for gasification - Sintering temperature method
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2018-07-16
- 实施
- 2018-08-16
Determination of peat aerobic biological activity by heating and heating method
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2017-12-11
- 实施
- 2018-04-01
Extraction method of soluble nutrients in peat
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2016-12-09
- 实施
- 2017-03-01
Method for Determining Plant Response to Peat and Soil Conditioners
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2016-12-09
- 实施
- 2017-03-01
Method for determination of water permeability of basic saturated peat
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2016-12-09
- 实施
- 2017-03-01
Particle Distribution Determination of Peat, Substrates and Soil Conditioners
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-12-15
- 实施
- 2016-01-25
Sampling procedures for peat materials
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-12-15
- 实施
- 2016-01-25
Determination of basic physical properties of peat, substrates and soil conditioners
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-12-15
- 实施
- 2016-01-25
Determination methods of bulk density, water holding capacity and air content of peat
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-12-15
- 实施
- 2016-01-25
Variety and quality of Ordos coal
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-11-30
- 实施
- 2016-02-28
Coal dust-free sample preparation room technical specification
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-05-04
- 实施
- 2015-11-04
Calibration method for bias and precision of coal joint sampling reduction equipment
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-05-04
- 实施
- 2015-11-04
Peat and Peat Substrate Volumetric Bulk Density Method
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-02-01
- 实施
- 2015-03-01
