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1)  mining method for narrow dipping vein
倾斜薄矿脉采矿法
2)  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。
3)  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。
4)  gentle dip and narrow vein
缓倾斜薄矿脉
1.
The practice of recovering ore pillar of gentle dip and narrow vein;
缓倾斜薄矿脉矿柱回收实践
5)  Steeply inclined thin ore vein group
急倾斜薄矿脉群
6)  gently inclined and very thin ore vein
缓倾斜极薄矿脉
1.
In consideration of the technological mining conditions of the gently inclined and very thin ore vein of Jingshan Gold Mine,blasting parameters were optimized by the orthogonal test.
针对金山金矿阳山矿段的开采技术条件,利用正交试验方法,对缓倾斜极薄矿脉开采进行了爆破参数优化的试验研究,其结果对缓倾斜极薄矿脉的开采具有重要意义。
补充资料:胶磷矿脉石抑制剂 BS-33
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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。

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