dry-bored composite pile,technique of installation,regularity of load transfer,failure model
干作业复合灌注桩、成桩工艺、荷载传递规律、破坏模式。
参考来源 - 干作业复合灌注桩的试验研究及理论分析The main contributions are as follows. Firstly, for each subsystems of the switched system, some stability conditions against actuator failures are obtained by using the description of multi-state failure model.
本文具体研究切换系统的容错控制,主要解决以下几个问题:(1)针对控制系统中执行器失效情形,采用“多状态故障模型”的描述方法,给出切换系统的子系统可镇定所要满足的条件;运用共同Lyapunov函数方法设计各个子系统的状态反馈控制器,保证闭环系统在发生执行器失效时,任意切换下均是全局渐近稳定的。
参考来源 - 切换系统的容错控制Geological conditions in the engineering area were investigated, and it is considered that the failure model to be plastic deformation、collapse、flaking and fall-block.
查清了隧址区工程地质条件,通过大量现场地质跟踪调研,系统研究了西攀、攀田高速公路隧道围岩变形及破裂特征,概括出工程区围岩主要有塑性变形、坍塌、剥落、掉块四种变形破坏模式。
参考来源 - 西攀、攀田高速公路隧道围岩稳定性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The Failure model of the positive active material was discussed.
讨论了正极活性物质的失效模式。
The primary failure model is fatigue fracture that is always resulted by the crack initiation and propagation.
疲劳断裂是气门弹簧失效的主要模式，它是疲劳裂纹萌生及其扩展的结果。
Conclusion: Xinshuaining Pill can improve the systole and diastole function in chronic heart failure model of dogs.
结论心衰宁丸可改善慢性心衰模型犬的心脏收缩和舒张功能。
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