您要查找的是不是:
- By employing the Lumped method,the article analyzes the naturalfrequency of continuous beam system and provides a feasible way to calculate the critical rotational speed axles in engineering practice. 用集中质量法分析连续梁系统的低阶固有频率,为工程实际结构中计算轴的临界转速提供可行的方法。
- Keywords rotary navigation drilling;eccentric stabilizer;continuous beam system;transverse vibration;frequency analysis;drilling weight;rotary velocity; 关键词旋转导向钻井;偏心稳定器;连续梁系统;横向振动;频率分析;钻压;转速;
- These gas lasers give off a continuous beam. 这种气体激光器产生连续不断光束。
- continuous beam system 连续梁系统
- Ball and beam system is a classical instable system whose mathematical model is constructed in this paper. 摘要球杆系统是一种经典的不稳定控制系统。
- This paper describes a new multi ion and electron beam system for preparing optic thin films. 本文介绍一种新型的光学薄膜制备用多离子束电子束系统。
- In a continuous beam the vertical deflexions at the rigid supports must be zero. 在连续梁中,刚性支承处的垂直变形必须为零。
- What is unique about the Swiss clock is that it shoots the atoms in a continuous beam rather than a spasmodic one. 瑞士原子钟别树一帜的地方在于,它将原子发射到连续的电磁波上,而不是不持续的。
- When high beam headlights are in use sensors in the Automatic High Beam system detects oncoming traffic and automatically switch the headlights to low-beam. 当远光灯大灯都在使用中的传感器自动检测系统的高光束迎面而来的流量和自动切换到低大灯光束。
- Although we may analyze a continuous beam by several methods, only the method of superposition is practical. 虽然我们可以用几种方法来分析连续梁,但是只有迭加法是切实可行的。
- When these techniques are combined with a scanning focused beam system and a data acquisition system, abundance distribution of elemental composition can be displayed. 如果将粒子束聚焦;且装上扫描设备和计算机数据获取系统;可以得到样品中元素丰度分布的扫描图.
- The continuous beam can be soled by using singular functions and the method of superposition. 借助奇异函数和叠加法,导出了带有奇异函数的三弯矩方程。
- Finally, the transient amplitudes of the beam system under the axial motion of piezoelectric actuator for three models are obtained by the finite difference method. 最后,由有限差分法得到各组暂态振幅的数值,并比较之。
- The bents supporting the four continuous 工 beam plate girders have a cross section shaped like a box. 构架支承着四片工字型板梁,构架的截面为箱型。
- The secondary moment of prestressed concrete frame is different from that of continuous beam. 预应力框架次弯矩与连续梁相比有着自己的特点。
- In recent years prestressed concrete continuous beam bridge is applied widely with strong rivalrousness. 预应力混凝土连续梁桥以其强大的竞争力,近年来得到迅猛发展。
- At the same time, it also presents the development of CAD of strengthening reinforced concrete continuous beam with CFRP. 文章介绍了用碳纤维片材加固钢筋混凝土连续梁的计算原理,以及碳纤维片材加固钢筋混凝土连续梁CAD的研制。
- The two laser beam system has been used to measure the relative density of linen dust, with the feature of wide measurement range,good sensitivity and restraining the intensity fluctuation noise. 本文采用双光路激光系统,对亚麻尘的相对浓度进行了连续测量,具有测量范围宽、灵敏度好、抑制激光强度起伏噪声等特点。
- A mechanical model for the offset-axes pendulum drill assembly (OAPDA) was established according to the continuous beam theory and the D. 运用纵横弯曲连续梁理论和达朗伯原理,建立了偏轴钟摆钻具组合动力学分析模型。
- The concrete continuous beam in the elevated bridge of the South-North Line of Nanjing subway is firstly tasted in China. 摘要南京地铁南北线一期工程高架区段首次在国内采用了预应力混凝土连续梁的型式。