查询词典 damping-off

The traditional static method could not consider the inertial force of the structure, the dynamic stiffness and the viscous damping of the soil.

该方法计算过程简单，克服了传统的静力法不能考虑结构的惯性力以及土的粘滞阻尼和动刚度的缺点，对工程实际具有一定的指导意义。

It can be concluded that the slipping of phase interfaces or the viscous sliding of grain boundary, dislocation's oscillation, the infinitesimal plastic deformation that was caused by the difference of elastic module and heat expansion coefficient between phases of the alloy yielded the damping of the alloys.

研究表明合金的阻尼是由合金晶界和相界面滑动、位错振荡以及各相的热膨胀系数和弹性模量间差造成的微塑性变形共同造成的。

It is indicated that the damping of the alloy is induced by phase interface slipping or grain boundary viscous sliding, the infinitesimal plastic deformation which is caused by the difference of elastic modules and heat expansion coefficients between phases of the alloy.

结果表明： ZA27-4%Si合金阻尼随频率增大而减小，随温度升高而增大，阻尼不随应变振幅的变化而变化； ZA27-4%Si合金室温阻尼为5.83×10-3，与ZA27合金阻尼相当； ZA27-4%Si合金的阻尼是由合金内部的晶界和相界面滑动、位错振动以及各相的热膨胀系数和弹性模量间差造成的微塑性变形共同造成的。

While the initial velocity is large, the object makes an oscillation damping movement in the granular medium.

研究发现，物体在上升过程中所受到的阻力也与物体的初速度有关。

With the simulation of damping ratio in terms of input voltage,the plan of voltage control is discussed.

通过对动力学模型的分析并仿真了减振率随电场强度变化趋势，为后续的电压控制方案提供了理论依据。

Finite element method is used in the study of nozzle damping of instable combustion in a solid rocket motor.

应用有限单元法研究固体火箭发动机不稳定燃烧中的喷管阻尼，并用波衰减对比法进行了试验研究。

An integral representation for displacements of a circular footing vibrating vertically with a linear wave velocity on a elastic half-space whose shear modulus changes non-linearly with depth was presented by analysis, dynamic triaxial test on dynamic modulus and damping ratio of soils was also carried out.

本文通过计算分析得到了变剪切模量弹性半空间上基础竖向振动的积分变换解，并且进行了场地土动力特性试验研究。

The added damping by the interstage seals also permits operation at the second critical speed without significant rotor vibration.

加上阻尼由中间的封条还允许操作在第二次临界转速无显着转子振动。

Meanwhile, we proved the unboundedness of solutions of Lienard equations with weaker damping terms when the rotation number is irrational. We still obtained the unboundedness of solutions of Lienard equations with asymmetric nonlinearities at resonance.

另外，还通过应用Birkhoff遍历定理证明了当旋转数为无理数时，弱阻尼的Lienard方程无界解的存在性；同时，证明了共振条件下具有不对称非线性项的Lienard方程无界解的存在性。

It is also required powerful –第四级 damping device to restrain jumpiness caused by quick movement of 第五级 pen.

因此，这种记录仪只适合于长时间慢变化信号，要求指示与记录同时进行的场合。

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％。