1) ultra-combustiable seam
极易燃煤层
2) face with fully mechanized mining caving method
极易自燃煤层
1.
This paper analyses the reasons for the gob fire of the face with fully mechanized mining caving method in free burning seam and gives the gob fire eradication means.
分析了王营矿极易自燃煤层综放工作面采空区自燃发火的原因，提出了防治措施。
3) inflammable coal seam
易燃煤层
1.
The origin and effusing pattern of gas at fully mechanized face with caving of roof coal in the inflammable coal seam,spile-drainage methods in mined area were introduced briefly,the experiences can be used for reference for gas drainage in the similar condition.
简要介绍了易燃煤层综放工作面瓦斯来源及涌出规律、采空区插管抽放工艺等,为类似条件下的抽放瓦斯工作提供了借鉴。
4) spontaneous thick seam
易燃厚煤层
1.
Mine roadway layout affected to spontaneous fire danger of spontaneous thick seam;
巷道布置对易燃厚煤层自然发火危险性的影响
5) spontaneous combustion coal-seam
易自燃煤层
1.
The occurrences of the spontaneous ignition of the comprehensive mining coal face at the spontaneous combustion coal-seam under a special condition from the 1301 face in Gengcun coal mine has been analysed.
分析了耿村矿１３０１工作面易自燃煤层特殊条件下综放开采工作面自然发火的危险性；探讨了因采空区漏风而引起的工作面自然发火的防治措施。
补充资料：“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小，但磁动性很强，可使局部磁场波动增强，促使氢质子弛豫加快，从而使T1和T2缩短，这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子，所以其离子往往具有PEDDPRE，可用来作顺磁性对比剂，如钆(Gd)。Gd在外层有7个不成对电子，具有很强的顺磁性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条