D 21 标准查询与下载
共找到 33 条与 相关的标准，共 3 页
Determination of Moisture, Ash and Organic Matter in Peat and Peat Substrates
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-02-01
- 实施
- 2015-03-01
Determination of pH value of peat and its products
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-02-01
- 实施
- 2015-03-01
Determination method for assessing degree of humification of peat and organic soils
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2015-02-01
- 实施
- 2015-03-01
Specifications for on-site rapid detection of total sulfur and ash in coal
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2014-12-24
- 实施
- 2015-01-15
本标准规定了热导法测定煤中碳、氢和氮的术语和定义、方法原理、试剂、仪器设备、试验步骤、结果表述及方法精密度。 本标准适用于利用热导法测定褐煤、烟煤和无烟煤中碳、氢和氮。
Determination method of carbon, hydrogen and nitrogen in coal thermal conductivity method
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2014-08-28
- 实施
- 2014-09-28
Application Classification of Peat
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2014-02-28
- 实施
- 2014-04-30
Peatland State Assessment Specification
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2014-02-28
- 实施
- 2014-04-30
本标准规定了安徽省配煤的灰熔融性软化温度和流动温度分级要求、煤样的采取、制备、试验方法。 本标准适用于安徽省配煤的灰熔融性温度的分级。
Fusibility classification of blended coal ash
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2014-02-17
- 实施
- 2014-03-17
Determination method of total nitrogen content in peat (Kjeldahl method)
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2013-12-04
- 实施
- 2013-12-31
Determination method of peat fiber content
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2013-12-04
- 实施
- 2013-12-31
Classification of Peat Decomposition Degree and Field Measurement Method
- ICS
- 73.040
- CCS
- D 21
- 发布
- 2013-12-04
- 实施
- 2013-12-31
