英语人>网络例句>by force of 相关的网络例句
by force of相关的网络例句

查询词典 by force of

与 by force of 相关的网络例句 [注:此内容来源于网络,仅供参考]

And starting from the inertia of the large number of text introduced by centrifugal force and the Coriolis force, and through the two of the more powerful and proven set out to explain the inertia force, the inertia of the process of doing a detailed description, And applying the theory with practical ways of his predecessors found that the real issue in the application and preliminary feasibility studies, for the simple inertia force for a definition and description.

并且又从惯性力出发用大量文字来介绍惯性离心力和科里奥利力,并通过对这两种力的阐述和证明更有力的来说明惯性力,对惯性力提出的过程做了详细的叙述,并运用理论结合实际的方法对前人发现的问题进行实际中的应用和初步论证,简单得对惯性力进行个定义和说明。

The numerical results were proved to be reliable by comparing with some published experimental data. The results show that, when only Coriolis force is in effect by omitting the centrifugal buoyancy force, the flow in the cavity is axi-symmetrically stable, the Coriolis force is a kind of resilience, and does not cause flow unstably.

研究结果表明:在哥氏力的单独作用下轴向通流旋转盘腔内的流动基本上是稳定的三维轴对称结构,即使有轻微的径向或周向振动发生,由于哥氏力是恢复力,对其有抑制作用,因此振动会随着流场的发展逐渐消失。

This paper makes a further analysis of the traditional opinion about Ampere force that is the macroscopic showing of Lorentz force,and it demonstrates that microscopic nature of Ampere force is composition of electric field forces applied by Hall electric field which is caused by Lorentz forces for the positive ions at the crystal lattice of the conductor in magnetic field.

对安培力是洛伦兹力的宏观表现的传统说法进行了深入剖析,指明了安培力微观本质是由于洛伦兹力而引起的霍尔电场对磁场中载流导体的晶格正离子施加的电场力的合力

A fuzzy controller is designed, of which the input is the force error and the change of force error which are transfered from the error of interelectrode gap by using another BP NN trained by the pair of the gap-force data gathered in the test.

用这些力一问隙数据对训练一个BP神经网络,通过训练好的网络和在线测得的力实现间隙的在线预报,并设计了一个模糊控制器。

A fuzzy controller was designed,of which the inputs were the force error and the change of force error which was transfered from the error of interelectrode gap by using another BP NN which was trained by the pair of the gap-force data gathered in the test, the output of controller was the increment of feed velocity.

与阴阳极间间隙的关系;采集电解加工过程中阴极表面上的力信号,经过信号处理后用其训练一个BP神经网络,实现间隙的在线检测;设计了一个模糊控制器,把间隙的误差转化为力的误差,将误差的变化信号作为模糊控制器的输入,将进给速度的增量作为模糊控制器输出。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究,得出了许多有价值的结论,主要概括如下: 1、阐述了目前针对超声电机压电振子的主要建模方法,对压电振子动态特性的研究意义和必要性进行了论述,突出了本文研究内容的迫切性; 2、以压电陶瓷诱发弹性体发生弯曲变形为例,分析了压电陶瓷通过诱发应变来实现机电能量转换的机理;对基于纵弯模式的压电振子的运动及动力传递机理进行了分析; 3、基于模态假定,利用分析动力学的Hamilton原理,建立了面向直线超声电机压电振子的机电耦合动力学模型,并据此建立了压电振子的等效电路模型,导出了电参量与动力学特性参量的耦合方程,为压电振子与驱动电路的匹配提供了依据; 4、从压电陶瓷的本构方程出发,综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程,采用虚位移原理,建立了压电振子动态问题机电耦合场求解的有限元控制方程,为研究其大功率驱动下的非线性本构模型奠定了基础; 5、界定压电振子的动力学特性指标,对压电振子的机电耦合动力学模型参数进行计算及变参数仿真;依据等效电路模型,对压电振子的电学特性进行了仿真分析;通过有限元数值实验,对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析,找出了实现模态简并的激振频率;利用有限元控制方程,通过编程计算,对压电振子的力电耦合场参数进行了详细计算,得出了一些有价值的结论。

The messenger of the electromagnetic force is the photon with zero mass; the weak force that accounts for radioactive disintegration and causes the sun and the stars to shine is carried by the heavy W and Z boson particles; while the strong force is carried by gluon particles, which see to it that the atom nuclei hold together.

电磁力的信使是零质量的光子,弱作用力可以用来说明辐射衰变和太阳和恒星发光,其信使是重W和Z玻色子。

The magnetic intensity of the applied magnetic force on a ferromagnetic material denoted by the term H measured in oersteds; b. The magnetic inducition or flux density as the flux per unit area normal to the direction of the flux ,denoted by B and measured in gauss; c. The magnetic permeability establishes the relation between magnetic induction and magnetizing force expressed as B/H =u; d.Residual magnetism or remanent magnetism which remains in the casting after the magnetizing force has been removed .

磁场强度的应用磁力就一铁磁材料标注由任期h来衡量, oersteds ;乙磁inducition或磁通密度为通量每单位面积正常的方向通量,标注由B和衡量在高斯;长该磁导建立的关系磁感应强度和磁化力表示的B /为H = u ; d.residual磁性或剩余磁性,这仍然是在铸造后,磁化部队已被删除。

The particularity of the economic law's right is decided by the particularity of social relation adjusted by economic law. Being the modern system for people to abate social the confliction of surplus right ,Economic law adjust the relation of the increasing benefits'production, realization, sharing and consumption among people in the condition of the cosmically socialization production. The increasing benefits comes from the creation of the surplus work force, as a result, the right of work force can be the sill category of economic law, and the person with work force can be the intensin mealing of economic law, moreover, person and its organization can be the extension meaning of economic law.

经济法权利的特殊性取决于人及其组织参与的经济法所调整的社会关系的特异性,作为缓和剩余权冲突的现代制度安排的经济法调整的社会关系是社会化大生产条件下人们之间的增量利益的生产、实现、分享和消费关系,增量利益源于剩余劳动的创造,因而可以将劳动力权经济法的基石范畴,将劳动力权人作为经济法主体的内涵,将人及组织作为经济法主体的外延。

Then, a hypothesis of "double force source" for tectonism is put forward, its main points are: the tectonism is not only the result from the action of tectonic stress, but also the result from the action of "double force source", namely, the tectonic stress and subsurface fluid force including force produced by precipitation, etc.

提出了&双力源&构造变动假设,即构造变动不仅是构造应力作用的结果,而且是构造应力与地下流体力共同作用的结果;二者共同作用因方式不同而产生不同的构造变动;在构造变动孕育与产生过程中,构造应力的作用是第一位的,地下流体力则是调制性的,只有那些能与构造应力增强过程产生力学耦合的地下流体力,才能调制与诱发出构造变动异常并促进构造变动。

第63/100页 首页 < ... 59 60 61 62 63 64 65 66 67 ... > 尾页
推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。