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in Dongguashan deposit, the stoping scheme was optimized. The new mining technique, with temporary curtain walls, large panels and stopes, was achieved as well. The deposit model, which was built through... is credible and valuable. Key words: deep well; high initial stress; stoping scheme; optimization  ......
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Scheme optimization of AT shifting element based on genetic algorithmYUE Hui-jun(岳会军), LIU Yan-fang(刘艳芳), MA Ming-yue(马明月), XU Xiang-yang(徐向阳), WANG Shu-han(王书翰) (School of transportation science... of the optimization algorithm was verified.Key words:hydrodynamic automatic transmission; shifting element; scheme optimization......
J. Cent. South Univ. (2017) 24: 2924-2931 DOI: https://doi.org/10.1007/s11771-017-3706-3 Pre-reinforcement grout in fractured rock masses and numerical simulation for optimizing shrinkage stoping... and Springer-Verlag GmbH Germany, part of Springer Nature 2017 Abstract: Proper room and pillar sizes are both critical factors for safe mining and high ore recovery rate in shrinkage stoping mining......
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J. Cent. South Univ. (2012) 19: 1258-1266 DOI: 10.1007/s11771-012-1137-8 An improved computation scheme of strapdown inertial navigation system using rotation technique ZHANG Lun-dong(张伦东), LIAN Jun... will be introduced into SINS and might affect the final navigation accuracy. Considering the disadvantages of the conventional navigation computation scheme, an improved computation scheme of the SINS using......
J. Cent. South Univ. Technol. (2009) 16: 0265-0268 DOI: 10.1007/s11771-009-0045-z A sink moving scheme based on local residual energy of nodes in wireless sensor networks TAN Chang-geng(谭长庚... in sensor networks, sensor nodes located near the sink have to forward the data received from all other nodes to the sink, which depletes their energy very quickly. A moving scheme for the sink based on local......
Coordinated dynamic mission planning scheme for intelligent multi-agent systemsPENG Jun(彭军)1,2,WEN Meng-fei(文孟飞)1,2, XIE Guo-qi(谢国祺)3, ZHANG Xiao-yong(张晓勇)1,2, Kuo-chi LIN4(1. School of Information.... To address it, a coordinated dynamic mission planning scheme is proposed utilizing the method of the weighted AND/OR tree and the AOE-Network. In the scheme, the mission is decomposed into a time-constraint......
以矿石价格为基础选择采矿方法初探初道忠1,张成祥2(1.山东省淄博市山东理工大学资源与环境工程学院2.山东金岭铁矿)摘 要:关于以矿石价格为基础选择采矿方法问题国内很少有人讨论.当矿石价格达到一定高度时,不论矿体开采条件如何,采用充填采矿法通常在经济上是合理的,同时该方法在矿产资源的利用率和环境保护方面有突出的优势.结合矿山实例对应用空场采矿法和胶结充填采矿法取得的经济效益进行了比较,并对结果进行了分析.关键词:采矿方法; 选择; 矿石价格; 经济效益......
A chaos-based quantum group signature scheme in quantum cryptosystemLOU Xiao-ping(娄小平)1, 2, CHEN Zhi-gang(陈志刚)2, Moon Ho Lee3(1. School of Computer Science and Technology, Hunan University of Arts... University, Chonju 561756, Korea)Abstract:A quantum group signature (QGS) scheme is proposed on the basis of an improved quantum chaotic encryption algorithm using the quantum one-time pad with a chaotic......