In this paper,we discuss the Wiener index of connected and disconnected graph which maximaize the Wiener index among all graphs of connected graphs and disconnected graph.
本文研究了连通图和不连通图的维纳指数W(G),得到了上界图;以及研究了W(G)+W(G)的上界和下界。
Analysis of three probability models between trace length and diameter of rock discontinuities;
岩体不连续面迹长与直径间的概率关系模型分析
Various interface elements are successfully applied in traditional finite element method(FEM) to model discontinuities,in which Goodman element is the most representative one.
鉴于以Goodman单元为代表的界面单元在传统有限元法中取得了广泛而成功的应用,因而采用无网格法进行岩土工程数值分析时,首先考虑引入Goodman单元以模拟不连续面。
Treatment of bone nonunion and lower extremity great shortening deformity of 26 cm by primary bone lengthening with a long-time follow-up;
一期延长矫正下肢26cm巨大短缩畸形和骨不连的远期效果
Objective To investigate the clinical effect of percutaneous autogenous bone marrow stem cell transplant on bone nonunion.
目的探讨经皮自体骨髓干细胞移植治疗骨不连的疗效。
Bone nonunion is a common complication of fracture after operation.
骨不连是骨折术后常见并发症,据统计约有5%~10%的骨折可因各种原因发生骨折不愈合和迟缓愈合。
Relation of bone fracture nonunion with different energy grade of extracorporeal shock waves;
不同能量级别体外冲击波与骨不连愈合的关系
Treatment of nonunion of tibia shaft after fracture with interlocking intramedallary nail;
交锁髓内钉治疗胫骨骨干骨折骨不连
Comparison of therapeutic methods in postoperative non-union of tibial fracture;
胫骨骨折术后骨不连治疗方法的疗效比较
Rap System of Stress Stimulation in Treatment of Delayed Union and Non-union Obtained from Traumatic Femur Osteomyelitis;
叩击式骨应力刺激仪治疗创伤性股骨骨髓炎后遗骨延迟愈合及骨不连