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The results indicate that, using the PCMTS cores as the actuators, an ideal deflection of the sandwich beam is generated and the vibration of the sandwich beam is suppressed effectively.

结果表明，利用PCMTS作为驱动元件，夹芯梁获得了比较理想的变形量，其振动也能得到较为有效的控制，因此是一种很有应用前途的驱动方式。

Assuming the angular velocity of the beam is given as a harmonic function of time, the rotating sandwich beam is regarded as a parametrically excited system.

假设电流变夹层梁绕固定轴线做随时间变化的简谐周期运动，将变速度转动梁作为一个时变参激振动系统，分析了不同结构和控制参数对失稳区域的影响。

Based on the principle of energy superposition and by using the equivalent transformation for beam sections, an expression for calculating the energy releasing rate of interface crack growth in a sandwich beam specimen is developed, and the toughness for the interface of Si 3N 4/Al formed by vacuum diffusion method is measured by a particularly designed four point bending test system.

基于能量叠加和梁的等效截面转换原理，本文导出了计算Sandwich梁试样界面裂纹扩展能量释放率的解析式，并利用专门设计的四点弯曲实验系统测得了Si3N4／Al真空扩散连接界面的韧性，进而为优化陶瓷／金属连接工艺、筛选材料组配和评价其连接界面的抗断裂性能提供了必要的研究方法和实验手段。

The results of the test show that the bearing capacity of the continuous roof beam of flexural capacity can be improved by Pasted CFRP effectively with different quantities of CFRP sheets. The reliability of beam after strengthened is analyzed.

试验结果表明：粘贴CFRP可以有效地提高连续梁的抗弯承载力；在不同的加固量下，加固后的梁有不同的破坏模式；本文对加固后的连续梁的可靠度进行了分析。

Was established in 2001, is specialized in producing mines light support equipment businesses, product-led campaign for the suspended roof beam and the combination of top-hydraulic support beam hydraulic support.

北京蓝畅机械有限公司成立于2001年，是一家专业生产矿山轻型支护设备的企业，主导产品为系列悬移顶梁液压支架和组合顶梁液压支架。

And effective methods are introduced for the reinforcement of steel beam,the connection of platform post with original steel beam,roof reinforcement and opening treatment.

结合中国民族工商业博物馆加固改造工程实例，讨论近代砖混结构加固改造设计中应考虑的若干关键问题，并介绍钢梁加固、平台柱与原钢梁连接、屋面加固、开洞处理等具体作法。

Due to moment resisting connections are made in both directions in steel frames, so beam-to-column web connections are generally as flange connection. The construction and performance under load of web connections are different from flange connections, and there are more difficulties for theory analysis and design. Studies on mechanism of beam-to-column web connections under cyclical load are not only significant to the theoretical research, but also important in practice.

钢结构框架一般纵横两个方向均为框架，梁柱腹板连接非常普遍，构造和受力性能与翼缘连接不同，而且理论分析和设计更为困难，研究钢框架梁柱腹板连接在循环荷载作用下的受力性能和破坏机理并提出抗震设计对策，具有重要的理论意义和重大的工程应用价值。

In designing the flexural reinforcement for the major moment for a particular beam for a particular section, the following steps are involved:· Determine the maximum factored moments · Determine the reinforcing steel Determine Factored Moments In the design of flexural reinforcement of moment resisting concrete beams, the factored moments for each load combination at a particular beam section are ob- tained by factoring the corresponding moments for different load cases with the corresponding load factors.

在设计一个特定部分，特别是梁为关键时刻抗弯增强，下面的步骤涉及：·确定时刻的最大因素·确定钢筋确定的因素时刻在目前的抗弯曲钢筋混凝土梁的设计，在特定的梁截面为每个荷载组合的因素是肥胖的时刻，由保理与相应的负载系数不同的负载情况下，不引起相应的时刻。

In designing the flexural reinforcement for the major moment for a particular beam for a particular section, the following steps are involved:· Determine the maximum factored moments · Determine the reinforcing steel Determine Factored Moments In the design of flexural reinforcement of moment resisting concrete beams, the factored moments for each load combination at a particular beam section are ob- tained by factoring the corresponding moments for different load cases with the corresponding load factors.

在设计的抗弯加固梁为一个特定的时间为某一特定部分，下面的步骤被涉及。·确定时刻的最大因素·确定钢筋决定因素的时刻在设计的弯加固混凝土梁的时刻抵制因素的时刻，每个荷载组合作用在某一特定的梁截面——同时运用保理的指挥不同载荷工况相应的时刻与相应的荷载等因素的影响。

The thrust coefficients and propulsive efficiency of a two-dimensional flexible fin with heaving and pitching motion were computed using FLUENT. The effect of different locations of the pitching axis on propulsive performance was examined using three deflexion modes which are respectively, modified Bose mode, cantilever beam with uniformly distributed load and cantilever beam with non-uniformly distributed load.

利用FLUENT软件数值计算了二维柔性鳍作升沉纵摇运动时的推力系数及推进效率，探讨了修正Bose变形方程、均匀载荷和非均匀载荷悬臂梁变形方程等三种柔性模式下纵摇轴位置对摆动鳍推进性能的影响，其中纵摇轴在尾缘处能够获得更大的推力，而最高的推进效率分别对应修正Bose模式下纵摇轴距首缘1/3弦长处和悬臂梁柔性变形模型下纵摇轴距首缘2/3弦长处。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。