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- Comprehensive shrinkage method 全面留矿法
- The feasibility of which short-hole shrinkage method is used for mining of low-grade and submarginal ores in Huanren Mine is demonstrated in this paper. 论证了采用浅孔留矿法对桓仁矿北岔区的低品位矿及表外矿进行综合回收的可行性。
- As a result,the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly,then stoping ore pillar by medium length hole caving method. 后沟金矿采用平底结构浅孔留矿法先采矿房,后用中深孔崩落法回采矿柱,经两年多的生产实践,取得较好的技术经济指标。
- The shrinkage method is a kind of the open-stope method, Which has many obvi-ous advantages, Such as, simple technology, low cost and high labour productivity , etc. 留矿法是空场采矿法的一种,空场采矿法具有工艺简单、成本低、劳动生产率高等突出优点。
- The numerical experiments show that the proposed method can significantly raise SNR, decrease MSE and preserve the shape of signal better than the original wavelet shrinkage method. 数值仿真表明,与小波阈值收缩方法相比,该方法在信噪比和均方差指标上都有明显的提高,并能很好地保持信号的形状。
- The shrinkage method and the cut wall filling method were used to mine the steep orebody with a high grade in Dashuiqing gold mine, which resuled in greater dilution and loss as well as the unsafe. 大水清金矿曾用留矿法、削壁充填法开采高品位急倾斜矿体,贫化、损失率较大,且存在不安全因素。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- There has been some shrinkage in our export trade. 我们的出口贸易量已有些减少。
- The reporter has made a comprehensive report. 记者已做了全面的报道。
- Study on Advancing Form of Working Face with Shrinkage Method 留矿法工作面推进形式的研究
- Exploration on Stoping Technology of Short-hole Shrinkage Method 浅孔留矿采矿法回采工艺技术探讨
- He was educated at the local comprehensive school. 他曾在地区的综合中学受教育。
- A comprehensive digest or complete treatise. 总论,纲要详细的摘要或整个论文
- She has a comprehensive grasp of the subject. 她已全面掌握了这一学科。
- It's best to allow for shrinkage when buying cotton clothes. 买棉布衣服时最好考虑到它们的缩水率。
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- A broad, comprehensive view; a survey. 总的看法概括的、全面的见解; 全面的评述
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- The teacher asked us to have a comprehensive review of the course. 老师要求我们对这门课进行全面复习。
- A Improved Wavelet Shrinkage Method and Determining of the Denoise Threshold 改进的小波收缩消噪技术及确定消噪门限的方法