您要查找的是不是:
- Recently, active control metho d by using piezoceramic elements is regarded as a prospect to suppress the vibra tion. 基于压电元 件的振动主动控制是最有潜力的一种振动抑制方法。
- Unloading rock mass mechanics II. 卸荷岩体力学2。
- Research on AR model applied to forecast trend of vibra tion signals[J].Journal of Tsinghua University (Science and Technology ), 1999,39 (4): 57-60. AR模型应用于振动信号趋势预测的研究[J].;清华大学报(自然科学版);1999;39(4): 57-60
- The rock mass produced by an intrusive process. 侵入岩浆岩浆侵入过程中生成的岩块
- Simultaneously, the displacements of the rock mass were monitored. 与此同时,还对矿房围岩的变形进行了监测;
- A fracture or crack in a rock mass along which no appreciable movement has occurred. 裂缝,裂口岩石块中的碎片或缝隙,在其周围未发生过可被觉察到的运动
- Theory and practice of grouting drainage and anchorage of rock mass II. 岩体灌浆排水锚固理论与实践2。
- There is a large scale of dynam-relaxed rock mass lies in Daliushu dam site. 大柳树坝址区存在大面积、大范围的岩体松动破坏现象。
- Cleavage and fracture have a strong impact on blasted result for rock mass. 摘要节理裂隙对岩体爆破效果有很大的影响。
- The formulas of rock mass displacements and deformations are devel... 通过工程实例分析表明,理论预计结果与现场实测结果吻合。
- A Study of Non-linear Mathematic Model of Double Cylinder Vibra tion Damper 双筒减振器非线性数学模型的研究
- Accumulating sand can lead to great pressure on top of the grottoes and ponding in the rock mass. 积沙还能造成窟顶巨大压力和岩体积水。
- Applicaton of Genetic Algorithms in Active Structure Vibra tion Control 遗传算法在结构振动主动控制中的应用研究
- Keywords silicon oil damper;parameters identify;vibra tion controlling.; 关键词硅油阻尼器;参数识别;振动控制;
- Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure. 莫高窟岩体在地质学上属第四纪沙泥质、钙质半胶结砾岩,结构十分松散。
- to calculate antenna structure's natural frequencies and mode of vibra tion. 计算天线结构的固有频率和振型等几个方面。
- Discontinuities or weakness planes are those structural features which separate intact rock blocks within a rock mass. 不连续面或弱面指在岩体内分割完整岩石的那些构造形迹。
- A rock mass of large horizontal extent bounded,especially above,by physically different material. 地层一个水平的大岩石区域,特别是在它的上面邻接的是不同物质的材料。
- These screes are generally small pieces of rock which have become detached from the rock mass. 这些碎石通常都是些小石块,它们从岩体上分离下来。
- This article emphasizes a prediction of overbreak,the unstable wedge, for openings in jointed rock mass. 本文着重于岩体中洞室超挖-不稳定楔形体的预测。