查询词典 sleeper beam

The paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects,such technologies as:manufacturing and fixing of reinforcement,steel reinforcement fixing baseplate,web plate and top plate respectively and lifting the steel skeleton into form,requirements of design and manufacturing and way of utilization for dismantling-erection type formwork and hydraulic formwork,optimization of concrete ratio,concrete pouring process of two ends of beam in priority over the middle,in sequence of first baseplate followed by web plate and top plate at last,concrete pouring in inclined section and in horizontal layer,concrete vibration mainly byexternal vibrator in assistance with internal vibrator,methods and regulation for steam curing of concrete,dual controls over stress and strain to ensure quality of prestressing workmanship,construction method of effective beam moving by heavy-weight special moving facility,some regulations and key notes about construction of grouting under pressure,beam ends sealing,water-proof layer on the bridge surface system,protective coating.

文中介绍的采用胎具制作和绑扎钢筋，分底腹板和顶板分别绑扎并吊装钢筋骨架入模；拆装式和液压式两种模板的设计、制作要求和使用方法；综合考虑、优化混凝土配合比，混凝土灌注从两端至中间、先底板、后腹板、再顶板的施工顺序和斜向分段、腹板水平分层、附着式振捣为主、插入式捣固为辅的施工工艺，蒸汽养护的方法和规定；应力～应变双控制确保预应力施工质量的施工技术；采用重物移运器有效移梁的施工方法；压浆、封端、桥面防水层和保护层施工的一些规定和注意事项等都是对箱梁制造行之有效的施工技术和施工方法，并可为以后类似施工作借鉴。

In order to satisfy the equipment of physical experiment, it developed beam pulse technology research on ns-200 accelerator. It uses sine-wave beam adjustment pipe focused beam match design research beam pulse system、high frequency power supply system, pulse measure system and distance auto-control system.

在ns-200中子发生器上开展了束流脉冲化技术研究工作，采用正弦波速调管聚束方法设计了束流脉冲化系统，研制了高频电源系统、脉冲测量系统和远程自动控制系统。

Finally, based on the theory of Timoshenko beam, a beam model of this crankshaft is built, which is compared with solid model. The results indicate that this beam model can meet the needs of calculation precision and calculation efficiency. With this beam model, the condition in which real loads are put on the crankshaft is simulated. The displacement curves、velocity curves、acceleration curves of the main journals and the pulley of this crankshaft and torsion vibration curve of the pulley are then gained. With these curves, the dynamic characteristic of the crankshaft is analyzed. The conclusion indicates that this crankshaft has good dynamic characteristic.

最后利用Timoshenko梁理论建立了曲轴的梁单元模型，将此梁单元模型与体单元模型进行了比较，结果表明梁单元模型能够满足精确度和计算效率的要求；利用该梁单元模型，模拟了实际条件下的载荷作用时曲轴的响应，得到了曲轴各主轴颈和皮带轮端的位移、速度、加速度曲线以及皮带轮端的扭转振动曲线，分析了曲轴的动态特性，结论表明该型曲轴具有良好的动态特性。

Experiment 1. Observation of electron beam deflection in the electric field Will voltage electron beam deflection plate to tie the direction switch "is" location, rotating clockwise direction deflection plate voltage Potentiometers (RP2), the electron beam is deflected upward, the greater the voltage between the deflection plate, the electron beam deflection angle the bigger.

实验一。观察电子束在电场中的偏转将电子束偏转板电压方向开关扳到&上正&位置，顺时针方向旋转偏转板电压电位器(RP2)，电子束则向上偏转，偏转板之间电压越大，则电子束偏转的角度越大。

Then after closure, taking steel perimeter beam and perimeter beam rail as slip base, in order of symmetrical balance, hoisting each steel "leaf" respectively up to the installation platforming of steel leaf, again by utilizing the steel perimeter beam, perimeter beam rail and hydraulic thrusting slip equipment, performing the installation for the eight steel leaves until they are closed together.

施工中采用了&一点吊装、平面滑移&的技术进行安装，即采取同一固定点吊装，先将分段钢环梁利用环梁轨道和液压顶推设备滑移，分段逐步滑移和顶推、逐步拼接，直至钢环梁合拢。将合拢后的钢环梁和环梁轨道作为滑移底座，按对称、平衡的顺序将每片钢叶瓣分别吊装至安装平台上，再次利用钢环梁、环梁轨道和液压顶推滑移设备，将8片钢叶瓣逐步安装到位。

In reference to Figure 10.6a,when the beam width is less than the column width ,the effective joint width is the average of the beam width and column width ,but it should not exceed the beam width plus one-half the column depth h on each side of the beam .

在谈到图10.6a ，当光束宽度小于栏宽，有效地联合宽度平均束宽度和栏宽，但它不应超过束宽加一半栏深度h每边的梁。

When a plane wave illuminates the bottom of axicon with ring obstacle, a bottle beam is generated within the maximum non-diffractional distance, and the beam keeps non-diffractional Bessel beam in front and at the back of the Bottle beam.

平面波入射到带有环形障碍物的轴棱锥底面时，将在轴棱锥产生的最大无衍射距离内形成Bottle beam，而在Bottle beam的前后仍然保持无衍射贝塞尔光。

The nonlinear Goos-Hanchen shift of a reflection light beam and the refraction angle of a transmission light beam can all be changed by adjusting the power of the incident light beam.

同时发现反射光束的非线性古斯-汉辰平移量及透射光束的折射角都可以通过适当改变入射光束的功率来调整。

The integral area for calculating the beam width by using the definition of generalized second-order moments is selected to ensure the energy in the angular domain more than 75% of the total beam energy and the measurement method and steps still follow the relevant ISO standards. The generalized M2 factor of truncated Gaussian beam has been measured. The experimental results for different truncated parameters have been compared with the theoretical results, showing the validness of the method proposed.

在利用广义强度二阶矩计算光束束宽时，以积分角谱范围能够包含光束总能量的75%以上作为积分范围的选取标准，并遵循现有的国际标准化组织规定的测量步骤和方法对截断高斯光束的广义M2因子进行了测量，并将不同截断参量时的实验结果与理论计算结果进行了比较，证明了该方法的正确性。

In this paper, the sine and cosine shaped sensors have been designed by using the integral characteristics of PVDF piezoelectric film. The sine PVDF sensor can be used alone to measure the displacement, speed, acceleration, stain, stress of the roof beam vibration; the cosine PVDF sensor can be used alone to measure the angular displacement and shear of the roof beam vibration; by using them jointly , the structural intensity can be measured for the roof beam without any finite differential error.

本文利用PVDF压电薄膜独特的积分特性，设计制作了正弦形状和余弦形状传感器，它们单独使用，正弦形状的PVDF传感器可以用来测量梁振动的位移、速度、加速度、应变、应力、弯矩；余弦形状的PVDF传感器可以测量振动梁的角位移和剪力；配对使用它们，可以用来测量梁的结构声强，用它们测量结构声强时不会产生有限差分误差。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。