本研究中定振汤可以改善帕金森病症状以及具有延缓病程进展的作用。
Conclusion Dingzhen Decoction can slow the ascending trend of UPDRS score in PD patients and delay the development of Parkinson's disease.
定振波振幅的突变与气压场、风场和降水分布不均匀并在短期内发生突变有关。
The amplitude variation of seiches is related to the air pressure, wind field and rainfall above the lake.
运气也起到一定作用:德国和北欧国家经济的复苏提振了爱沙尼亚。
Luck has played a part: Estonia has been pulled up by recovery in Germany and the Nordic countries.
前轮摆振是指汽车在平坦的路面上直线行驶时,转向轮以一定的幅度和频率绕主销持续振动的现象。
Front wheel shimmy is the phenomenon that steering wheels vibrate around king-pin axis with a certain amplitude and frequency when the vehicle travels in a straight road.
实例计算证明,在一定条件下,隔振装置的合理布置及结构设计,对系统的振动形式和隔振效果影响显著。
Practical examples proves out the reasonable arrangement and structUral design of absorption vibration device is significant to the vibration mode and vibration insulation of the system.
在一定轴比带宽条件下,优化后的十字振子天线正交方向上圆极化轴比可以达到1。
Under certain axis ratio bandwidth, the circular polarization axis ratio of the optimized cross dipole antenna can reach 1.
在颤振特性分析中所需要的广义气动力是根据亚音速非定常升力面理论,采用马蹄涡—振荡压力偶极子格网法计算的。
The generalized aerodynamic force required in analysis is calculated by using horse shoe vortex— vibrational pressure doublet grid method, based on theory of subsonic unsteady lifting plane.
并且,以1000次循环振次为例,给出一定静荷载作用下,软土地基上单桶基础可以承受的最大循环荷载的范围。
And the range of cyclic loads that single bucket foundation can be subjected has been determined under certain static loads for 1000 number of cycles to failure.
在各种复杂的分支传动扭振系统中,由于计算工作量大而对计算机内存及速度提出了一定的要求。
In complex branched transmission systems, the calculation of the torsional vibration demands the computer to have more memory and fast speed.
其次,通过介绍经典拷贝相关,混沌振子检测理论,对于强噪声背景下的有效信号检测做了一定研究。
Then, through introducing the theory of the classical copy-correlation and chaos signal detection, some research have been done for the efficient signal detection with strong noise at the background.
本文所提出的方法,能够满足柔性基础减振降噪的要求,具有一定的实用性和参考价值。
The methods proposed in this dissertation, can meet the requirement of decreasing vibration and noise for flexible base, and have some practicability and reference value.
不做任何措施的H型吊杆在一定的风速下很容易发生驰振。
The tests results indicate that (H-shaped) booms without taking any measures have galloping performance in low speed wind.
提出采用准定常气动刚度与基于试验的非定常气动阻尼进行气动修正的大跨度桥梁抖振计算新模型。
Put forward a new method for long-span bridge buffeting analysis which using quasi-steady aerodynamic stiffness and unsteady aerodynamic damping based directly on wind tunnel test.
对汽车动力传动系双质量飞轮式扭振减振器的选型和设计具有一定的参考价值。
This research can provide the base to select and design vehicle powertrain system of dual mass flywheel type torsional vibration damper.
理论分析和仿真表明,连续时间系统变结构控制确实具有一定的鲁棒性,并且能够实现抖振控制与系统控制的部分解耦。
The theoretical reasoning and simulation results show that continuous time VSC system can be more robust than PID system, and chattering control an be partially decoupled with system dynamics.
转子偏心引起的气流激振力在一定条件下可能诱发转子失稳。
The gas exciting force caused by blade tip clearance may cause rotors unsteady under certain condition.
研究结论对于改善悬架系统的隔振特性和悬架橡胶元件的设计有一定的工程指导意义。
The research results will be very helpful for the improvement of suspension vibration isolation characteristics under road irregularity excitation, and for the design of rubber bushings.
分析了振子的阻尼运动,得到了临界阻尼的附加条件,讨论了在一定的实验误差要求范围内,欠阻尼振子比临界阻尼振子更快地回到平衡位置的问题。
The paper also discusses the fact when that certain precision requirements are met, the underdamping vibrator returns more quickly to the balance position than the critical damping vibrator.
完全非定常气动力由格林函数方法直接计算,颤振分析结果准确。
For fully unsteady aerodynamic force is calculated with Green's Function method, the results of flutter analysis are accurate.
在实际仿真机上应用该模型,可以分析出两台轴流风机并列运行时的喘振工况,对现场轴流风机的运行具有一定的指导作用。
By using the model in real simulator, the operation status of axial-flow fans can be analysed and the results are of specified value to the operation of axial-flow fans in power plants.
对汽车动力传动系双质量飞轮式扭振减振器的选型和设计具有一定的参考价值。
The elastic characteristic and torsional stiffness of four kinds of typical dual mass flywheel type torsional vibration damper is analyzed in detail.
本文用动力有限单元法对框架式结构自振特性基本规律进行了一定的研究。
In this paper, the basic relations of the natural vibration characteristics of framed structures have been studied by means of the dynamic finite element method.
物料在纵断面上的受力分析表明:分选机激振力方向应与分选床横向有一定角度。
The analysis of forces exerted on material on vertical section shows that there should be an Angle between the vibrated force direction and crosswise of separation bed.
此隔振设计方法对超精密机床、超微定位机构超低传递率隔振设计有一定的参考价值。
This isolation designing method has a certain value of reference to isolation design on super-low transmission ratio of super-precision machine tools and super-micro positioning mechanisms, etc.
对跨声速飞机机翼作了跨声速非定常气动力计算,对跨声速民航机机翼的颤振模型作了颤振计算,与TDLM的比较表明,两者结果有较好的一致性。
The unsteady aerodynamic results of the transonic wing are presented, and flutter calculation is made. The comparison with TDLM shows that the agreement is very good.
在一定的条件下,时变进给量变化幅度及变化频率越大,抑振效果越好。
The larger the variation of amplitude and frequency of time-varying feed rate, the better the effect of suppressing chatter under some conditions.
随着施振温度的升高,细化作用越好,但当温度提高到一定程度时,细化效果减弱。
The structure refinement improves with the increase of temperature, but over a certain temperature, the effect of refining grains decreases.
分析了直升机从悬停到小速度前飞时,定常垂直气流的非均匀分布对直升机平衡操纵以及对系统摆振后退型模态阻尼的影响。
The influences of nonuniform vertical flow on helicopter trim controls and regressive lag modal damping levels were analyzed in hovering and forward flight.
分析了直升机从悬停到小速度前飞时,定常垂直气流的非均匀分布对直升机平衡操纵以及对系统摆振后退型模态阻尼的影响。
The influences of nonuniform vertical flow on helicopter trim controls and regressive lag modal damping levels were analyzed in hovering and forward flight.
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