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。
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。
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。
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。
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。
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
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
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
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。
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。
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。
A STUDY ON CONSERVATION OF QUANTITY IN RHESUS MONKEYS AND ASSAMESE MACAQUE
一个探索恒河猴和熊猴数量守恒的实验研究
Negative Priming Effect in a Numerical Piaget-like Task;
类皮亚杰数量守恒任务中的负启动效应
Numerical Simulation of Passive Scalar in Turbulence Diffusion Combustion;
湍流扩散燃烧中守恒标量的数值模拟
Conservation of Mass. Conservation of Momentum. Stress Tensor.
质量守恒,动量守恒,应力张量。
To keep(a quantity) constant through physical or chemical reactions or evolutionary changes.
守恒在物理、化学反应过程中或演化过程中保持(一种数量)恒定不变
laws of conservation of energy and momentum
能量和动量守恒定律
conservation and conversion of energy
能量守恒和转换定律
The maintenance of a physical quantity, such as energy or mass, during a physical or chemical change.
守恒在物理或化学变化过程中能量或质量等物理数量的维持原状
Under these conditions the conservation of energy is equivalent to the conservation of mass.
在这种条件下,能量守恒和质量守恒是相等的。
Data Exchange Method for Fluid-Structure Interaction Based on Energy Conservation and Interpolation Algorithm Adopting Radial Basis Function
利用能量守恒和径向基函数插值的流固耦合界面数据传递方法
The Relationship Between Three Conservation Quantities and the Orbital Geometry Parameter in Inverse-Square Central Force Field;
平方反比有心力场中三守恒量与轨道几何参数的关系
The bending forming of precision progressive die based on energy conservation and numerical simulation
基于能量守恒和数值模拟的精密级进模弯曲成形研究
One-dimensional WENO Schemes and the Applications in the Numerical Calculations of the Scalar Conservation Equations
一维WENO格式及其在标量守恒方程数值计算中的应用
Effects of Equivalent Transformations of Lagrange Functions on Symmetries and Conserved Quantities of Mechanics Systems
Lagrange函数等效变换对力学系统对称性和守恒量的影响
The Law of Conservation of Momentum and the Law of Conservation of Angular Momentum for Charge System and Electromagnetic Field;
电磁场和电荷系统的动量守恒定律和角动量守恒定律
law of conservation and convertion of energy
能量守恒及能量转换定律
THE UNCHANGEABLE NATURES OF CONSERVATION OF MOMENTUM AND MECHANIC ENGERGY IN GALILEO CONVERSION
动量守恒和机械能守恒在伽利略变换中的不变性
Lie symmetries and conserved quantities of relativistic holonomic nonconservative mechanical systems;
相对论完整非保守系统的Lie对称性与守恒量