1) conservation quantity and quasi-conservation quantity
守恒量与拟守恒量
2) 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。
3) 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。
4) energy conservation
能量守恒
1.
CHAMP Gravity field recovery based on the improved energy conservation approach;
基于改进的能量守恒方法恢复CHAMP重力场模型
2.
Improvement of Bottom Boundary Condition Expressions in 3D PE on the principle of energy conservation;
三维抛物方程方法中海底边界条件改进处理的能量守恒方法
5) mass conservation
质量守恒
1.
A one-dimension flux model for the secondary settling tank based on the mass conservation;
基于质量守恒的二沉池一维通量模型
2.
Based on the mass conservation law,this paper introduces a simple and feasible method for measuring hydrogen and oxygen stable isotopic concentration in soil water,which can avoid directly extracting soil water.
探讨一种简易可行的基于质量守恒原理的土壤水中氢氧稳定同位素测定方法,可避免直接提取土壤水,实验装置简单,费用低,适用于土壤含水量较高和结晶化合物含量低的土壤。
3.
A tracer dilution physical model of measuring seepage velocity was reestablished according to tracer mass conservation,and a new formula of calculating the horizontal seepage velocity was given by infinitesimal method which modified the generalized dilution formula.
针对前人计算公式受诸多条件限制或存在不足之处,根据示踪剂质量守恒原理重新建立了示踪稀释物理模型,利用微元法推导了含水层水平流速计算新公式,修正了广义稀释定理,讨论了新公式与传统公式的内在联系,给出了实测数据的处理方法。
6) quality conservation
质量守恒
1.
But the trace quality conservation is used to solve the problem.
本文试图从示踪剂质量守恒的角度建立新的广义示踪稀释物理模型中关于水平流速的计算方法,并建立相应的程序的关键部算法。
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