ISO 8264-1989 标准详情
- 标准号:ISO 8264-1989
- 中文标题:硬煤 用膨胀计测定膨胀特性的方法
- 英文标题:Hard coal; determination of the swelling properties using a dilatometer
- 标准类别:国际标准化组织标准ISO
- 发布日期:1989-11
A test piece, in the form of a pencil, prepared from powdered coal is heated at a constant rate in a steel retort positioned in a furnace, the temperature monitoring system having been previously calibrated using two reference metals of known melting
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