1) narrow vein
薄矿脉
1.
Optimization of mining method for steep dip and narrow vein in Bei-Gan-Gou Gold Mine;
北干沟金矿急倾斜薄矿脉采矿方法优化选择
2.
Experimental study on method of mechanized horizontal slicing and resuing-filling for the mining of gentle-dip narrow vein;
缓倾斜薄矿脉机械化水平分层削壁充填采矿法的试验研究
2) extra narrow vein
极薄矿脉
1.
The application of shrinkage method in the stoping of extra narrow vein of rock gold mine;
留矿采矿法在岩金矿山极薄矿脉中的应用
2.
By carrying on rock drilling and ore digging respectively, conducting rock and ore blasting separately and engaging rock and ore removal indePently from each other in the mining of extra narrow vein of Er-Dao-Gou Gold Mine, the grade of Produced ore was improved and so did the economic benefit.
二道沟金矿在极薄矿脉探矿时,采用矿岩分凿、分爆、分出办法,提高了副产矿石品位,为企业多创经济效益。
3) inclined thin vein
倾斜薄矿脉
1.
Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine,inclined thin veins with difficult occurrence and complicated mining conditions were discovered.
某铜矿在矿区南部探边扫盲时 ,探获了与原主矿体赋存状态截然不同的倾斜薄矿脉 ;其产状变化大 ,开采条件较复杂。
5) Adjacent narrow veins
相邻薄矿脉
6) steeply-inclined narrow vein
急倾斜极薄矿脉
1.
Short-hole shrinkage method is commonly employed in mining steeply-inclined narrow vein.
对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法,实践表明,该法存在人工劳动强度大、矿石贫化率高等缺点。
补充资料：胶磷矿脉石抑制剂 BS-33
分子式：
分子量：
CAS号：
性质：棕褐色略带杂草气味的碱性液体。含固量>35%。磺化度6~12。适用于中、低品位硅、钙（镁）质胶磷矿的直接浮选。对碳酸盐、硅酸盐类脉石矿物有良好的选择抑制能力。由纸浆黑液、亚硫酸钠、过二硫酸铁等反应制得。
分子量：
CAS号：
性质：棕褐色略带杂草气味的碱性液体。含固量>35%。磺化度6~12。适用于中、低品位硅、钙（镁）质胶磷矿的直接浮选。对碳酸盐、硅酸盐类脉石矿物有良好的选择抑制能力。由纸浆黑液、亚硫酸钠、过二硫酸铁等反应制得。
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