D 15 标准查询与下载
共找到 7 条与 相关的标准，共 1 页
本文件给出了煤炭绿色开采的总体原则和技术路线的指导意见。 本文件适用于全省井工煤矿绿色开采的技术选择。
Coal Green Mining Technical Guide
- ICS
- 73.020
- CCS
- D 15
- 发布
- 2022-09-02
- 实施
- 2022-12-01
Technical requirements for filling process of fly ash high water expansion material in coal mining
- ICS
- 73.020
- CCS
- D 15
- 发布
- 2020-06-08
- 实施
- 2020-07-08
本标准适用于重庆市辖区内急倾斜薄煤层俯伪斜综合机械化开采的生产技术管理，适用于煤层顶底板为二类及以上,煤层顶底板为一类时，工作面涌水量应小于5m3/h
Technical specification for comprehensive mechanized mining of steeply inclined thin coal seam dipping pseudo-incline
- ICS
- 01.040.73
- CCS
- D 15
- 发布
- 2018-08-21
- 实施
- 2018-12-01
Specification for paste filling in non-ferrous metal mines
- ICS
- 73.020
- CCS
- D 15
- 发布
- 2018-08-10
- 实施
- 2018-11-01
Technical Regulations for Mineral Processing of Middle and Low Grade Collophosite
- ICS
- 73.020
- CCS
- D 15
- 发布
- 2017-05-08
- 实施
- 2017-11-08
Phosphogypsum backfill mining technical specification for phosphate rock mining
- ICS
- 73.020
- CCS
- D 15
- 发布
- 2017-05-08
- 实施
- 2017-11-08
Technical specifications for the production of diammonium phosphate (traditional method)
- ICS
- 73.020
- CCS
- D 15
- 发布
- 2017-05-08
- 实施
- 2017-11-08
