Based on the theorem of momentum, the mass equation of special relativity is derived using a simple thought experiment.
设计了一个简单的思想实验，用动量定理对洛伦兹变换成立的条件导出了相对论质量公式。
Plug more mass into Einstein's most famous equation and the energy produced increases as well.
将更多的质量塞入爱因斯坦最著名的方程中，产生的能量也会增加。
Einstein's famous equation, E=mc2, outlines how energy is equivalent to mass times the square of the speed of light.
这个道理可以参考著名的爱因斯坦质能方程式，E=mc2,能量E是质量m乘以光速c的平方项。
What physicists are basically doing is making the collisions as powerful and as efficient as possible to turn particle mass into pure energy (as a result of Einstein's bedrock equation E=mc2).
物理学家们做的这些事的本质就是尽可能让这些对撞充满能量并且高效以使这些粒子的质量转换为纯能量（这是爱因斯坦颠补不破的方程E=mc2的结果）。
MAIN OUTCOME MEASURES: the correlation between age, menopausal years, menopause age, height, body mass, BMI and bone density as well as the regression equation.
主要观察指标：年龄、绝经年限、绝经年龄、身高、体质量和人体质量指数与骨密度的相关性及回归方程。
Although the parachute is widely used in deceleration system, it's seldom mentioned the establishment of moving equation and especially the added mass.
降落伞在减速系统中已被广泛地运用，但是其运动方程的确立，尤其是方程中的附加质量项，在中国却少有提及。
The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
According to conservation of mass, this article establishes a kind of mathematical model for the equation equilibrium of chemical reaction, and also gives its solution both by man and by computer.
本文根据质量守恒定律建立了一种配平化学反应方程序的数学模型，并给出了模型的人工解法和计算机解法。
Evaporation quantum of liquid is expressed as mass source for vapor in vapor mass conservation equation, while it is dealt with mass sink for itself.
在建立多孔介质各相质量守恒方程时，液体蒸发量相对于蒸汽相而言为质量源，对液相本身而言为质量汇。
The char particle temperature is calculated under the steady combustion condition by the mass and energy balance equation, the effect on the particle temperature by some parameters are analyzed.
通过建立单颗粒焦碳的质量和能量平衡方程，计算求解出焦碳颗粒在稳定状态下的温度，分析了一些参数对细焦碳颗粒温度的影响。
This paper analyses the two body problem of kinematical equation and discusses the elastic collision between two particles in the center of mass system.
用质心坐标系分析了二体问题的运动方程，并用质心系讨论了两个粒子间的弹性碰撞问题。
Through establishing the mass balance equation of organic substrate in MBR, the mathematic expression of organic pollutants removal efficiency could be achieved.
通过建立反应器内有机底物的质量平衡方程，得到了MBR对有机污染物去除率的数学表达式。
The equation has asymmetric mass matrix, asymmetric stiffness matrix and nonclassical damping matrix, and the direct solving format is given in this paper.
针对所得方程为非对称质量、非对称刚度、非经典阻尼的情况，本文给出了使用直接法求解的格式。
The effect of spring mass on oscillation frequency and elastic constant is discussed by solving the wave equation.
通过求解弹簧中纵波的波动方程，讨论了弹簧质量对振子的振动频率及弹簧劲度系数的影响。
A multi-phase field model coupled with mass, momentum, energy and solute conservation equation was introduced to apply for macro simulation.
宏观部分着重介绍了一种耦合质量、动量、能量及溶质平衡方程的多相模型。
The mass conservation equation, energy conservation equation, flow equation and heat transfer equation are described in this paper.
列出了描述蒸汽发生器模型的质量、能量守恒方程以及流量方程和传热方程。
The vibrational equation of the tube was given with the straight tube Coriolis mass flow meter as the investigated object, and the solving process is discussed.
以直管科里奥利质量流量计为研究对象，给出被测流体脉动时测量管的振动微分方程，讨论了方程的求解过程。
This model is based on a one - dimensional heat conduction equation, an equilibrium press- temperature relation, energy and mass conservation relations.
喷墨过程的数值建模是建立在一维热传导公式，温度-压强关系式和能量、物质转换关系的平衡的基础上的。
Equations of mass, momentum and second moments for particulate phase are derived from a particle PDF (probability distribution function) equation in dilute turbulent sediment-laden flows.
从颗粒运动的PDF(概率密度分布函数)输运方程出发建立颗粒相的质量、动量和脉动速度二阶矩方程。
Conservation of mass, second Newton's law, and momentum law are introduced into traffic flow to set up traffic continuity equation, Euler's equation, and momentum integral equation.
应用物理学中的质量守恒定律、牛顿第二定律、动量定律等，建立了交通流的连续性方程、欧拉方程和动量方程；
These processes are governed by the mass transfer equation, which is similar to the energy equation previously deduced.
这些过程遵循质量传递方程，它类似于前面推导出来的能量方程。
The model of a kind of wave energy device moored on seabed is simplified into a spring-mass-damping system, and then its motion equation is built according to Newton's second law.
将造波水槽内二维浮体牵引弹簧回复液压缸的受力系统简化为弹簧—质量—阻尼器系统，建立数学模型，并根据牛顿第二定律得到运动方程式。
With the aid of vector method, constraint equation, kinetic energy consideration, the inverse position model, Jacobian matrix and mass matrix have been developed.
本文取得如下成果：借助矢量法、约束方程和动能定理分别构造出机械手的位置逆解模型、速度雅克比矩阵、质量惯性矩阵。
The kinetic energy theorem of mass variable system is derived from the kinetic equation of mass variable body. The practical value of it is pointed out using an example.
从变质量物体的动力学方程出发，推导出变质量系统的动能定理。指明其实用价值，并举例加以说明。
The basis of stable model is MESH equation, or mass, vapor-liquid, component addition, and enthalpy equilibrium equations.
稳态模型建立的基础是MESH方程，即物料平衡方程、相平衡方程、组分加和方程和焓平衡方程。
Revising the rotation displacement equation, the mass matrix and stiffness matrix of this kind of structure were derived by virtual principle.
采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。
By revising the rotation displacement equation, a mass matrix of this kind of structure is derived by virtual principle in this paper.
采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。
The text is detailed to study the deducing process of the nodal finite difference equation, and to study its application hi the rock mass engineering problems.
本文详细研究了节点有限差分运动方程的推导过程，以及在岩土工程问题中的应用。
The wall is supposed insulate, indoor thermal mass is considered in the model. the control equation is very simple, but it is enough to study physical phenomena.
该模型中假设围护结构是绝热的，只考虑了室内蓄热材料的蓄热作用，这样得到的控制方程虽然比较简单，但是对于研究简单的物理现象已经足够了。
The wall is supposed insulate, indoor thermal mass is considered in the model. the control equation is very simple, but it is enough to study physical phenomena.
该模型中假设围护结构是绝热的，只考虑了室内蓄热材料的蓄热作用，这样得到的控制方程虽然比较简单，但是对于研究简单的物理现象已经足够了。
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