1)collapse vibration塌落振动
1.Through analyzing the monitoring results,we found that the blasting vibration caused by city demolition blasting is usually smaller,while,the influence of backlash and collapse vibration on surrounding buildings are bigger with the increase of the height,mass and cubage of the building.分析测试结果得出,城市拆除爆破引起的爆破振动一般较小,而后座和塌落振动随着建筑物高度、质量和体积等的增大对周围建筑物的影响往往较大;后座振动对拆除建筑物的后座方向,即倾倒的反方向影响较大,且振动值的大小与拆除建筑物的质量、体积、重心高度、结构材料以及后排柱的承载力大小等有关;塌落振动对其倒塌方向的影响较大,而对侧、后方的影响相对较小;爆破振动衰减较快,而后座和塌落振动因其低频特性衰减相对较慢。
英文短句/例句
1.DISCUSSION ON CALCULATION FORMULA OF COLLAPSING VIBRATION VELOCITY CAUSED BY BLASTING DEMOLITION爆破拆除塌落振动速度计算公式的讨论
2.Safety Analysis of Nearby Building Structure under Collapse Vibration in Blasting Demolition;建筑物爆破拆除塌落振动作用下周边结构的安全性分析
3.vibrations will cause the roof of the mine to collapse.震动会引起矿顶塌落。
4.inertia crosswise vibrating conveyer shakeout machine惯性横振动输送落砂机
5.lash type inertia vibrating shakeout冲击式惯性振动落砂机
6.Study on the Community Characteristics of Zooplankton in Water Area Resulted from Coal-mine Subsidence;采煤塌陷区水域浮游动物群落特征研究
7.Analysis on Surface Impact Vibration in Blasting Demolition of Building;建筑物爆破拆除塌落触地震动效应研究
8.Research of Collapse Course and Ground Vibration in Demolishing Building by Blasting;爆破拆除塌落过程及触地震动的分析研究
9.Experiment and Calculation of Vibration in the Roof Caving of Underground Mine Cavity地下矿山空区塌落产生震动的实验与计算
10.If the stiffening system is inadequate, torsional oscillations due to wind might result in the collapse of the structure.如加劲桁架力量不足,风引起的扭力振动就会使桥梁坍塌。
11.When did the ceiling cave in ?天花板什么时候塌落的?
12.The mass that slides.塌方滑落的成堆物质
13.The Landing Gear Damper Vibration Study of a Kind of Helicopter某型直升机主起落架缓冲器振动研究
14.Abnormal Vibration Diagnosis Cause of Coming off of Generator Center Bore Plug发电机中心孔堵头脱落引起异常振动的诊断
15.Quantum Statistic Fluctuation of Coordinate and Quantum Statistic Fluctuation of Momentum for One- dimension Quantum Har monic Oscillator一维量子谐振子坐标和动量的量子统计涨落
16.Put Scientific Development Concept into Effect to Vitalize Iron & Steel Enterprises;落实科学发展观推动钢铁冶金企业振兴
17.On the Consistency of Original Meaningand Definition of Vibration Exceeding or Lagging;振动超前或落后本义与其定义一致性问题探讨
18.Research on Classification by Appearance of Larch Timber and Vibration Inspection Tests落叶松锯材外观分等与振动检测试验的研究
相关短句/例句
collapse vibration塌落震动
3)Collapse[英][k?'l?ps][美][k?'l?ps]塌落
1.The 12m reinforced concrete roof truss located at the south side was collapsed in May 2003.上海某炼胶厂一车间建于20世纪80年代,由南向北并排五跨,屋盖以下采用钢筋混凝土柱、吊车梁等常规作法,但屋架排列很密,为非预应力钢筋混凝土折线形屋架,整体浇筑的钢筋混凝土板直接覆盖在屋架上,为满足采光要求,部分屋架上增设了天窗,其中南边跨的12m钢筋混凝土屋架于2003年5月塌落。
4)Dislodging fruits by vibration振动落果
5)vibratory sieving tube振动筛落管
1.2L Hartmann bomb, 20L-sphere and vibratory sieving tube, as the testing apparatus for dust cloud, and the results were compared.在1 2L哈特曼管、20L球、振动筛落管3种粉尘云最小点火能测试装置上对随时间和空间变化并对最小点火能测量有重要影响的湍流度、粉尘浓度和粉尘分散质量进行了定量测量和比较·在上述3种装置上借助最小点火能测试仪对粉尘云最小点火能进行了测量和比较,对影响最小点火能测量的因素进行了分析讨论·分析与测量表明:粉尘分散方法以及粉尘初始湍流度的大小对粉尘分散度影响很大;气流携带法(20L球)对粉尘的分散最好,堆积法(1 2L哈特曼管)次之,自由下降法(振动筛落管)最差·因此,振动筛落管不适宜作为最小点火能测试装置
6)vibrating shake-out grid振动落砂架
延伸阅读
点振子振动和点电极振子振动分子式:CAS号:性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。