When she draws her arms inwards, that distribution is reduced, so her speed must pick up to counteract this difference and keep her total momentum constant.
当收起双臂时，分布空间减少，于是其速度一定会加快以弥补差异，从而保持总动量不变。
The amount of angular momentum, say, a spinning skater has depends on both the speed of rotation, and the weight and distribution of mass around the center.
角动量的大小，取决于旋转中的滑冰选手的旋转速度、体重和绕旋转中心的质量分布。
Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.
在考虑瞬态过程中动量扩散速度基础上，用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解，并按涡量定义求出涡量分布函数。
Distribution of flow volume for unsteady mass flow in the straight pipe was analyzed and modeled by means of momentum balance and energy balance.
通过动量衡算及能量衡算方法分析并计算了直管内变质量流体流动的流量分配。
A momentum model of debris flow risk zoning is set up according to the distribution of debris flow velocity and depth from the numerical simulation.
根据泥石流运动数值模拟取得的泥石流流速和流深分布特征，建立了泥石流危险性动量分区模型。
Based on mass, momentum, energy conservation and the theory of wellbore radius heat transmission, established fluid pressure and temperature distribution prediction mathematical models.
基于质量、动量和能量守恒定律及井筒径向传热理论建立了流体压力、温度分布预测数学模型。
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。
This paper reports a derivation of distribution by applying maximum entropy principle and conservation laws of mass, momentum and energy to atomization process.
论述了应用最大熵原理及质量、动量和能量守恒定律到喷雾过程中，导出了液滴尺寸和速度分布规律。
The state of electron is described by wave function. Intensity distribution of single slit electron diffraction is derived by probability distribution of electron momentum.
电子状态用波函数描述，由电子动量的概率分布，得到电子单缝衍射的强度分布。
Through analyzing momentum equation of infinitesimal swirling flow, pressure distribution with the radial difference was demonstrated.
通过对管内螺旋流旋转流体的动量特性分析，从理论土得出压力沿径向分布规律。
We conclude that the horizontal center of meson charge density distribution is related to the form factor at large momentum transfer. We give a general conclusion.
我们的结论指出介子的中心处的横向电荷密度分布与介子大动量转移处的形状因子有关，我们给出了一个一般性的结论。
The state of electron is described by wave function and the intensity distribution of multiple slits electron diffraction is derived by probability distribution of electron momentum.
将电子状态用波函数描述，由动量概率分布，推出电子多缝衍射强度分布。
In explaining the peculiar distribution of angular momentum, an attempt is also made to describe quantitatively the early stage of the formation process of the solar system.
结合对角动量特殊分布的说明，本文对太阳系形成过程的早期阶段进行了一些量的估算。
A droplet size and velocity distribution function was theoretically derived based on the maximum entropy principle and the momentum conservation law.
应用最大熵原理和动量守恒定律，从理论上建立了喷雾液滴尺寸和速度联合分布函数。
Comparing with the correlations of transverse momentum magnitude, the azimuthal correlations of particles distribution dominate particle group correlations in this experimental data samples.
对于这组碰撞实验，粒子分布的方位角关联相对横向动量模关联在粒子群关联中起着主要作用。
Bend flow momentum characteristics is mainly concentrated in the surface sloop, cross circulation and the velocity re-distribution.
弯道水流的动力特性主要集中在水面横比降、横向环流、流速重分布等方面。
In chapter 4, from molecule beam's speed distribution function, this paper deduces energy, momentum, frequency and wavelength distribution function.
第四章从分子束的速率分布函数出发推导了与速度有关的能量、动量、频率和波长等物理量的分布函数。
The parameter distribution and performance of supersonic combustor with cavity were calculated by means of the solution of 2-D N-S momentum, energy and mass fraction conservation equations.
用数值解二维N-S动量守恒、能量及组分守恒方程，模拟了一个设置空腔的超燃燃烧室流场参数分布及性能。
Simulates the air distribution in an air conditioned airport ball by PHOENICS using zero equation turbulent model and three point momentum draught model.
采用零方程模型和3点动量风口模型，应用计算流体力学软件PHOENICS模拟了某候机厅空调气流组织方案的速度场和温度场。
Simulates the air distribution in an air conditioned airport ball by PHOENICS using zero equation turbulent model and three point momentum draught model.
采用零方程模型和3点动量风口模型，应用计算流体力学软件PHOENICS模拟了某候机厅空调气流组织方案的速度场和温度场。
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