1) hydrogen-induced softening
氢致软化
2) water-induced softening
水致软化
3) hydrogen inducing amorphization
氢致非晶化
4) sulfide embrittlement
硫化氢致脆
5) sulfide-stress cracking
硫化氢致脆断裂
6) soften with hydraulic fracturing
水力致裂软化
1.
According to the complex geological conditions at 21112 face,such as large coal hardness,the local fine-grained sandstone roof,fully mechanized mining with caving of roof coal in the second hierarchical seam,pre-splitting with loose blasting,soften with hydraulic fracturing and fit coal caving technology are pointed out by theory analysis and the scene measuring.
根据某矿21112工作面煤层硬度大,局部为细砂岩顶板,又是第二分层综放开采的复杂采矿地质条件,采用理论分析和现场实测的方法,得出松动爆破预裂、水力致裂软化和适宜的放煤工艺。
补充资料：场致发光材料(见电致发光材料)
场致发光材料(见电致发光材料)
electroluminescent material
见场致发光材料eleetrolumineseent material 电致发光材料。
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