动量守恒

Descartes created analytic geometry, and discovered an early form of the law of conservation of momentum.

笛卡尔创立了解析几何，发现了动量守恒定律的早期形式。

Using the calculation formula of reflection ecergy, transmissin energy and incidence energy and equivalent principle of electric signal received by detector and seismic wave energy reflected by underground lithologic boundary, the formula of interval velocity and strata density are derived.

根据运动学中的动量守恒定律、分析地震勘探过程中地震波在地下介质中的传播过程，利用反射能量、透射能量与入射能量的计算公式和检波器转化的电信号与地下密度界面反射地震波波动能量的效原理，推导出直接求层速度和层密度公式。

P12 The find of Compton effect and the coherence of theoretical analysy and experimental result not only convincingly veified that the photon theory was right,but also veified that the conservation of energy and the law of conservation particles would similarly observe the law of conservation of energy and the law of conservation of momentum with vigour when they act on each other

康普顿效应的发现，以及理论分析和实验结果的一致，不仅有力地证实了光子学说的正确性，同时也证实了在微观粒子的相互作用过程中，同样严格地遵守能量守恒定律和动量守恒定律。

Using the basic dynamic equation of rotary non-inertial system, the basic law of object s movement in the reference system of rotating about fixed axis , and the conditions of momentum conservation and conservation of momentum moment of objects are educed.

利用旋转非惯性系中的基本动力学方程，导出在定轴旋转参照系中物体运动的基本规律，以及物体动量守恒和动量矩守恒的条件。

Based on consumption of evaporation extended film region responsible for transferring total heat,combination of energy and momentum conservation equation and consideration of effect of disjoining pressure and viscous force,the analytic solution of radial dryout point for thin film evaporation was presented.

假设热量全部通过蒸发扩展液膜区传递，联立能量守恒方程和动量守恒方程，考虑了脱离压力和粘性力的影响，建立了热管微槽蒸发器槽道侧壁面上薄液膜蒸发的径向干点位置的解析解。

The experimental results agree well with that of the theoretical analysis. The results also show that during the liquid injection, a hollow swirling jet is formed in the shape of an olive with a thin shell.

应用质量守恒定律和动量守恒定律，本文首创性的建立了用于描述旋流喷嘴射流初始阶段所形成的空心旋转射流的运动的理论模型，并采用数值方法进行求解。

If one single particle collides with another single particle, their motions should obey both energy and momentum conservations.

两个单粒子的碰撞运动，既要服从能量守恒，又要服从动量守恒。

As a mesoscale simulation method Lattice Boltzmann Method based on mass and momentum conservations is used to simulate the complex fluid, in which Continuity and the Navier-Stokes equations can be conformed.

作为一种介观模拟方法，格子玻尔兹曼方法在保证质量守恒和动量守恒的前提下，模拟的复杂流体能够满足流体力学中的连续性方程和Navier-Stokes 方程。

As a mesoscale simulation method Lattice Boltzmann Method based on massand momentum conservations is used to simulate the complex fluid, in which Continuity andthe Navier-Stokes equations can be conformed.

作为一种介观模拟方法，格子玻尔兹曼方法在保证质量守恒和动量守恒的前提下，模拟的复杂流体能够满足流体力学中的连续性方程和 Navier-Stokes 方程。

Between above two cases, if the single particle collides with the crowded-particles in one, or two dimensional-links, their motions might obey either energy, or momentum conservations.

介于上述两者之间，一个单粒子与一维紧密相连的粒子群的碰撞运动，不是动量守恒可以忽略，就是能量守恒可以忽略。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。