1) wave differential equation
波动微分方程
2) Partial Differential Equation Smoothing
偏微分方程滤波
3) Motion Equation
运动微分方程
1.
Continuity equation and motion equation which can be applied to cone-shaped pipes are obtained and finite difference method for them is brought forward.
根据非稳定流的一维流动理论,对圆锥形管道中的瞬变流动进行了分析,推导出了适用于圆锥形管道的连续性微分方程和运动微分方程,给出了这两个方程的有限差分解法,同时对计算结果进行了相对误差的对比分析。
4) movement differential equation
运动微分方程
1.
According to the force that the dust granule bears in the pulse electric field electrically charged process and the movement differential equation,dust collecting efficiency of the dust granule in static electricity dust remover that is supplied by the high-pressured pulse is obtained.
根据粉尘粒子在脉冲电场荷电过程中所受力的作用及运动微分方程,推出了粉尘粒子在高压脉冲供电静电除尘器中的收尘效率,并依据公式说明了除尘过程中各个参数对除尘效率的影响。
2.
Based on the principle of mass-changing mechanics,this paper analyzes the process of water wheel raising water,educes its movement differential equations in its three stages from starting to stable running,obtains solutions of the equations,and calculates on the angular velocity of the waterwheel in constant motion.
应用变质量力学原理对农用水车在提水过程中所经历的三个不同阶段，即在运动过程中水车的受力和运动量都在发生变化的情况下，对其动力学问题进行了较为深入的分析，导出了水车由起动至稳定运转三个阶级的运动微分方程，并得到了它们的解答，进而求得水车在趋于定常运动时的转动角速度。
5) Differential equation of motion
运动微分方程
1.
Differential equation of motion was crcated after the relationchip between generalizcd coordinates and outer moment of all gears in a differential gear train was studied so.
本文从多自由度机构的动力学观点出发，研究差动轮系各轮的广义坐标与对外力矩之间的关系，进而建立其运动微分方程，以便用来定量定性地分析各种差动轮系各中心轮的运动参数与动力参数之间的内在联系。
2.
In this paper,with the tangent coodination the new Bine s formula was deduced, and by the method of solved differential equation of motion,it was obained theunited equation about conic sections in the tangent coordination.
并用解运动微分方程的方法求得了统一的圆锥曲线的切线坐标方程。
3.
The differential equation of motion of one kind of scissors linkage seat was established and the theoretical computing formulation of its natural frequency f0, damping factor ξ and dynamic amplification factor η were derived.
建立了一种剪式驾驶员座椅的运动微分方程,导出了其固有频率fO,阻尼比ξ和振动传递率η的理论计算公式,分析了系统主要参数对振动特性参数ю、、ξ和η的影响,并以HY-Z04型剪式座掎为例,计算了系统的振动特性参数ю、ξ和η值及其随等效簧载质量m变化的规律。
6) differential equations of motion
运动微分方程
1.
Mechanical models and differential equations of motion for high speed pantographs;
高速受电弓的力学模型及运动微分方程
2.
By the principle,differential equations of motion for variable-mass nonholonomic systems constrained to the fixed axis rotation are obtained.
建立了变质量力学系统在定轴转动参考系中的Ｊｏｕｒｄａｉｎ原理，由此得到了受定轴转动约束的变质量力学系统运动微分方程，给出了准坐标形式，最后举例说明方程的应用。
补充资料：偏微分
偏微分
partial differential
偏微分I俐血l曲阮n”丘目;”ac珊‘l应压”4洲卜peou班幼]，多元函数的一阶 函数关于一个变量的微分(diflbrential)，而保持其他变量固定.例如·设函数.厂(:、，…，x。)定义在点(川lj)，…，x;。’)的某邻域内，则.厂关于变量x.在给定点的偏微分d、，f(二{“，，…，式。，)等于一元函数f(二、，、10，，…，x{o，)在x俨‘的常微分·即d二f(二{“，，】二，、沪)二试厂(:、、;罗’，二，二沪)}二，一二产二 _口j，_t〔1。…_(。。、，_ 一成~L义丫’，“，戈几”“关1所以旦乙=~丝卫… 刁x:dx、k(左>l)阶偏微分可类似地定义.例如，f(x、，…，x。)在点(x{0)，…，x尸，)关于x，的k阶偏微分武f(;卿，二，，洲)，正好是一元函数f(二，，‘男，…，x沪)关于其变量x、的k阶微分.因此， J*f‘，:。，..…二:。。、一典(二(。，，…，、乞。，)J、，， 口x‘ i二l，…，n;k=l，2，“’， Jl.八.K邓P只a邺B撰【补注】关于参考文献，见微分学(d迁免比ntial以Ia习璐)与微分(山价此ntial).王斯雷译
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