1) Hojman conserved quantity
Hojman守恒量
1.
Form invariance and Hojman conserved quantity of Maggi equation;
Maggi方程的形式不变性与Hojman守恒量
2.
Hojman conserved quantity for a holonomic system in the event space;
事件空间中完整系统的Hojman守恒量
3.
Form invariance and Hojman conserved quantity for nonholonomic mechanical systems;
非完整系统的形式不变性与Hojman守恒量
2) Hojman conserved quantities
Hojman守恒量
1.
Conformal invariance and Hojman conserved quantities of generalized Hamilton systems;
广义Hamilton系统的共形不变性与Hojman守恒量
2.
Finally we get the Hojman conserved quantities of the conformal invariance.
研究了一般完整Lagrange系统在无限小变换下的共形不变性,推导出共形不变性的确定方程,并且找到在特殊无限小变换下的共形不变性并且是Lie对称性的共形因子,接下来导出Lagrange系统的运动微分方程共形不变时的Hojman守恒量,并给出应用算例。
3) generalized Hojman conserved quantity
广义Hojman守恒量
1.
In this paper, we have studied a generalized Hojman conserved quantity which results from the Mei symmetry of nonholonomic mechanical system with unilateral constraints in phase space.
研究相空间中单面非完整系统Mei对称性导致的广义Hojman守恒量。
4) Hojman's conservation theorem
Hojman守恒定理
5) Conservation of energy
能量守恒
1.
A new idea of wellbore stability employing the conservation of energy was suggested in this paper.
提出了利用能量守恒原理分析井壁稳定的新观点,该观点能够解释通常室内实验破坏机理和现场遇到的大多数问题,并得到了许多现场实例的验证。
2.
This method uses the law of conservation of energy,adopts the method of sectioning and the cam profile is designed according to the outputted speed curve.
该方法应用能量守恒定律,采用分段的方法,按输出的速度曲线设计凸轮廓线。
6) conversation of energy
能量守恒
1.
By taking advantages of the continuous finite element methods for ordinary differential equations,the m order finite element methods for linear Hamiltonian systems are proved to hold as well as conversation of energy.
利用常微分方程的连续有限元法证明了m次连续有限元算法能保持哈密尔顿系统的能量守恒。
2.
According to the law of conversation of energy,the change of the average of the DC capacitor voltage can supply the real power flow information.
根据能量守恒原理,电力有源滤波器的直流电容平均电压的变化能够反映系统主电流变化的趋势,据此可提出一种基于自适应逆控制的电力有源滤波器。
3.
This paper argues that the problems should be understood,analyzed and solved with conversation of energy.
用能量守恒观点认识问题、分析问题、解决问题。
补充资料：守恒
守恒
conservation
守恒(eonservation)J.皮亚杰描述儿童智力发展使用的概念。是在头脑中并且从一个概念的各种具体变化中抓住本质的东西。在学前期，儿童的感知运动图式内化而为表象图式，但这种图式没有达到守恒。只有当儿童的动作既是内化的，又是可逆的，才算达到守恒。守恒是通过两种可逆性实现的:一是逆反性，如十A是一A的逆向;一是相互性，如A>B，则B>A是它的正反。皮亚杰学派利用实验证明，达到各种守恒的年龄是不一样的，如物质守恒的年龄约在7一8岁，重量守恒在9一10岁，体积守恒则要到11一12岁。 (白学军撰林索德审)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条