查询词典 axial-flow

A novel tubular permanent magnet linear servo motor was proposed. The motor applies the axial magnet array topology of the secondary rod, and the air-cored armature windings and slotless structure of the forcer, which totally eliminates the cogging force of general permanent motors.

介绍了一种圆筒型永磁直线伺服电机，电机次级采用轴向磁通结构，初级采用无铁心空心式绕组设计，完全消除了传统有铁心永磁电机固有齿槽效应所引起的推力波动问题。

In the device, a four-post frame was adopted, two synchronously rotating grip holders were used to realize rigidity rotation of the specimen, and the axial movement of the upper grip holder implemented the tension/compression loading. Positioning accuracy in the axis, radial and circumferential directions were achieved by adopting many advanced and delicate technologies. Measurement on the device indicated that the actual positioning accuracy of the device was better than the kinematic positioning accuracy. Evaluation test on the system indicated that the spatial resolution is better than the pixel size without considering the noise.

该装置采用了四柱式框架结构，采用上下夹头同步转动实现试件相对于框架的刚性转动；上夹头作相对于框架的轴向运动实现对试件的加载；在加载和转动装置中采用了诸多高精技术，实现了试件高精度的轴向定位、径向定位和刚性角度定位；对装置的精度检测表明其实际的定位精度优于运动学定位精度要求；对系统的计量考评初步表明，系统不计噪声的空间分辨率优于X射线CCD的像素10.9μm。

In the axial symmetric deformation, the radial displacement was taken as Fourier series.

讨论了缠绕角度与壳壁厚对径向位移响应的影响。

The dynamic stability of simple supported viscoelastic column, subjected to a periodic axial force, is investigated. The viscoelastic material was assumed to obey the fractional derivative constitutive relation.

研究简支的受轴向周期激励的粘弹性柱动力稳定性，柱的材料满足分数导数型本构关系。

Using Biot's 2D elastodynamic theory solves the saturated soil equation. The Fredholm integral equation of the second kind can be built by using the fundamental solution of circular load, the compatibility condition and superposition method. The Fredholm integral equation of the second kind of pile groups can be solved by using numerical method. The numerical solutions of pile groups axial forces, pore pressures under vertical harmonic loading and shear forces, moments and pore pressures under horizontal harmonic loading can be obtained.

采用Biot提出的三维波动原理，利用圆形简谐载荷作用下的Biot固结方程的基本解和桩土之间的变形协调条件，并采用叠加原理得到饱和土中群桩的第二类Fredholm积分方程，应用数值法求解群桩的第二类Fredholm积分方程，得到在垂直简谐载荷作用下群桩的轴力、孔压随桩身变化的数值结果以及在水平简谐载荷作用下群桩的剪力、弯矩和孔压随桩身变化的数值结果。

And the device can generate pressure curve with different frequency and amplitude, which suits soil tri-axial test.

该仪器可以产生不同频率不同幅值的压力曲线，从多方面满足土工三轴试验的要求。

The methods of axial and bending frequency influence function of underground structures are established.

三、提出了一种计算地下结构纵向和弯曲振动频响函数的方法。

Axial distribution of activity ratio A ( 134 Cs)/ A ( 137 Cs) along the fuel rod with different burnup level,irradiation history and cooling time is measured by the γ scanning device. As a comparison, this distribution is calculated by the FCAC code used for the fuel rod failure analysis.

在热室中，用γ扫描装置对秦山核电厂 3× 3 -2考验组件中辐照历史、燃耗及冷却时间不同的两根燃料棒中的铯活度比A(13 4 Cs)/A(13 7Cs)的轴向分布进行了测量，并利用自行开发的压水堆燃料棒破损特性分析程序FCAC进行了理论计算。

Polyphenylene Sulfide as a heat-resistant, corrosion resistance, high rigidity material, and instrumentation can be the production of gears, axle sleeve; in the electrical industry, for the skeleton, bearing, terminal, etc.; in the chemical equipment, shell can be made pump, impeller, valves, etc.; in the automotive industry, for axial transverse rod bushing, fuel system components.

聚苯硫醚作为耐热、耐蚀、高刚性材料，在仪器仪表中，可制作齿轮、轴套；在电器工业中，作骨架、支座、接线柱等；在化工设备方面，可制作泵壳、叶轮、阀门等；在汽车工业，作轴向横拉杆衬套、燃料油系统部件等。

An axial type fan with a capacity of at least 71 m3/min (2500CFM) must be used to circulate the fumigant.

必须用风量大于71立方米每分钟的轴流型风机进行熏蒸剂循环。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。