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beams相关的网络例句

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Experimental research on 12 simply supported reinforced concrete T-beams with highstrength stirrup were performed.

对12根高强钢筋作箍筋的T形截面钢筋混凝土简支梁进行了试验研究。

According to the test of the shear beams reinforced with the stirrup of HRB400 steel bars, the mechanical property of stirrup in the members is studied.

通过HRB400级钢筋作箍筋的不同剪跨比的受剪梁的试验,分析了此类钢筋作箍筋的受力情况。

In this paper, the biological features of saccharomycse stour implanted with low energy ion-beams are studied, and the parameters for ions implantation are established.

研究了以低能离子注入为手段,来选育斯托尔酒精酵母。

Different straight-ness measurement methods are described (straightedge, taut wire, laser interferometer, local squareness measurement, ball plate and ball beams) and their suitability for machine tool measurements of movements over 2 000 mm length discussed.

描述了不同的直线度测量方法(直尺法、钢丝绳法、激光干涉仪法、局部垂直度测量及球板和球杆法等),并讨论了这些方法对测量移动长度超过2 000 mm的机床的适用性。

A Material nonlinear finite element analysis for the cast-in-place reinforced concrete hollow slab that occurs from initial loading, cracking, yielding to failing is carried on. The cracking load, ultimate load, the displacement rules and the principal stress distribution rules of the hollow slab under the vertical loads are obtained. A Material nonlinear finite element analysis for the single span hollow flat-plate floor is also carried on. The function of the concealed wide-flat beams is definite by analyzing the principal stress distribution diagram. The calculating results verify the theoretical analysis and give some important conclusions which are great useful to improve the constructing of the new flat-plate floor.

其次对空心板进行了从加荷、开裂、屈服直至破坏的全过程材料非线性有限元计算,得到了空心板在竖向荷载作用下的开裂荷载、极限荷载及位移和应力分布规律;还对单跨无梁楼盖进行了材料非线性有限元计算,通过分析主应力场明确了柱上暗扁梁的作用;有限元计算的结果验证了以上的理论分析并得到了一些重要的结论,对改进现浇空心板无梁楼盖的构造措施有重要的参考价值。

By choosing appropriate coupling and pumping laser beams, atoms can be easily prepared in a desired Zeeman sublevel with high purity.

原子各磁精细能级的布居情况可以非常简单且直观地用一束弱的圆偏振探针光测定。

As for the three-story frame, the beams provide the restriction when the column lost their stability. So the overall sustention ability of the beam could be distributed to the border columns. The overall critical load of the three-story frame could be extracted by solving the equation with two variables.

对于三层斜腿框架的整体稳定性研究,本文考虑梁在框架中的作用对柱而言就是在失稳时对柱提供约束,根据层与层互相支援的思路,以梁在上下层分配的约束为未知量,通过求解二元方程,得到三层斜腿钢框架整体失稳的临界荷载。

In the part of the vibration experiments and analysis, firstly, used the simple-beam theory to estimate the natural frequency of the beam of the 20-headed computerized embroidery machine.secondly, measured the beam of its low rank natural frequency, the beams horizontal vibrating acceleration amplitude, speed amplitude and the displacement amplitude in different rev and different turn parts. Found that it is sympathetic vibration, which bring on the thread-broken rate rise rapidly. On this base, established the finite element analysis modle of the vibrating beam, and took on hamonic analysis and modal analysis with the mold. The rusult of test and analysis offer the basis for farther improvement of the computerized embroidery machine.

振动分析部分,首先由简单梁理论出发,对横梁的固有频率进行估算;接着通过测振仪器对20头电脑刺绣机横梁进行了试验模态分析和不同工况振动测试;获得了横梁前四阶固有频率和模态振型,以及在不同工作转速、不同回转部件下横梁振动的加速度幅值、速度幅值和位移幅值;找到了横梁振动加剧的原因——共振;在此基础上建立了符合实际情况的横梁有限元模型,对模型进行了模态和谐响应计算,证实了模型的可靠性,为下一步的改进设计提供了依据。

Therefore, it is necessary to systematically investigate this kind of beams.

系统地研究这一类光束具有很重要的意义。

In 1998, a team unearthed the remains of an entire Taino house, with beams, rafters, roof timber and the palm leaves that made up the house's thatch all collapsed on top of each other.

这座房子有主梁有椽架,更有杉木支架,上面覆盖的还是棕榈叶。可是,屋顶还是塌下来了,被挤压成一堆。

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。