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- A study of mining method of gently inclined medium thick ore body in Jinchangyu goldmine 金厂峪金矿缓倾斜中厚矿体采矿方法
- Inclined medium thickness ore body 倾斜中厚矿体
- Keywords dipping medium thick ore body;dry filling method;the artificial declining bottom-pillar;just intersectant examination;combo-partition; 倾斜中厚难采矿体;干式充填法;人工斜底;全粒级碎石;正交试验;组合隔墙;
- Bolting manual pillar and room method is a good future method of mining Mn ore body of medium thickness and small pitch. 人工柱锚杆房柱法是一种有前途的开采中厚缓倾斜锰矿床的采矿方法。
- On the Mining Method of Slowly Inclined Large and Thick Ore Body 关于缓倾斜厚大矿体采矿方法的探讨
- Application of Short Hole Shrinkage Method in Gently Inclined Thick Ore Body 浅孔留矿法在缓倾斜中厚矿体中的应用
- Discussion about mining method for steep and double-decker thick ore body 急倾斜双层厚矿体采矿方法的探讨
- Application of mining technique using explosion force to throw ore in inclined middle thick ore body 爆力运搬采矿技术在倾斜中厚矿体中的运用
- Cutting and Preparation of the Auxiliary Sections of Thick Ore Body in High Bench Mining 高阶段厚矿体辅助剖面的切制
- FUZZY MATHEMATICS MODELS ON ROCKMASS DISPLACEMENTS DUE TO OPEN-UNDERGROUND COMBINED MINING FOR THICK ORE BODY WITH STEEP DIP ANGLE 急倾斜厚大矿体地下与露天联合开采岩体移动分析的模糊数学模型
- Keywords pre truncating crest room and pillar method;gently dipping middle thick ore body;rate of excavation and recovering;depletion rate;rate of wastage; 预切顶房柱采矿法;缓倾斜中厚矿体;采掘比;贫化率;损失率;
- A medium thick quilt for you who are neither too warm or too cold at night. 一款中等厚度的被子,为夜间既不希望太热,也不希望太冷的您所使用。
- STUDY ON STRUCTURE PARAMETER OPTIMIZATION OF SUBLEVEL CAVING FOR HIGH-DIPPING MIDDLE THICKNESS ORE BODY 急倾斜中厚矿体无底柱分段崩落法结构参数优化研究
- Gold ore bodies formed by every pulse and mant... 为本区的地质找矿提供了一个明显的找矿标志。
- Ore bodies are tabular or tabularoid. 矿体呈板状、似板状。
- Non-pillar sublevel caving may be used in the mining of gently inclined medium thick orebody when footwall cutting technology is adopted. 在采用下盘切岩工艺后,无底柱分段崩落法可以在缓倾斜中厚矿体中应用。
- Star108: The flattish, 2-3 celled, tapering fruit of this variety have medium thick walls which turn from yellow green to red maturity. 极早熟大羊角椒,产量高,低温条件下座果能力强,且座果集中,可连续采收。
- It's used for sewing gym shoes, leisure shows, vamps, sole, working gloves, medium thick fur, diving clothes and baby's shoes. 高效率的单针单线环缝,线迹美观一致。运动鞋、休闲鞋、鞋面、底部拉邦索缝及加州式中低缝合,工作手套、中厚毛皮、潜水衣、娃娃鞋.
- This machine can be used both dry and wet ,to mill,mix and dischange material.,the thick ore liuid can go through 1000 hele sifter.The material nithin mid-sized will be better. 间歇式球磨机:本机可采用干湿法间歇作业,用于长石、石英、粘土等陶瓷原料的细磨和混合、出料、泥浆粒度可通过1000孔筛,该机属高细磨粉机械、物料应在中碎细度状态入磨才有最高的粉磨效率和经济效益。
- The application scope of cut-and-fill mining is described which has extended from medium thick steeply inclined orebody to complex variable orebody. 论述了充填法采矿的应用范围,已从适用于中厚急倾斜矿体发展到适应复杂多变的矿体。