equation n. 1.平衡,均衡;平均,相等。 2.【数学】方程式,等式。 3.【天文学】(时)差;均分,等分。 4.【化学】反应式。 algebraic [linear, simple, quadratic, cubic, simultaneous] equation 代数(一次,一元一次,二次,三次,联立)方程式。 differential equation 微分方程。 an identical equation 恒等式。 equation of light 【天文学】光行时差。 equation of payments 平均分期付款。 equation of state 【物理学】物态方程式。 equation of time 【天文学】时差。 personal equation 【天文学】观测上的个人误差。
continuous adj. 1.连续的,继续的,无间断的。 2.【植物;植物学】无节的。 a continuous current 恒(向电)流。 continuous fire 连续射击。 continuous rain 连绵不断的雨。 a continuous train of thoughts 一连串的思想。 a continuous wave (radar) 等幅波(雷达)。 adv. -ly
A continuous equation, three momentum equations are set up for each phase, and the algebraic equation with sum of volume rate amount to one is set up in this model 该模型针对每一相都建立了一个连续性方程、三个动量方程,并建立了一个体积率和等于1的代数方程。
The relatively simple mass continuous equation is used to calculate vertical velocity, and use radial velocity projection relation of dual-doppler radar to retrieve the three-dimensional wind field 采用较简单的质量连续方程求取垂直速度方案,利用两部雷达的径向速度投影关系反演大气三维风场。
For the actual situation of multiplayer production in most oil wells, velocity and flow change are considered in the model while fluid moves up the well, and conservation equation including continuous equation, momentum equation and energy equation are solved together 对大多数生产井多层产液的情况,并考虑到井筒内液体在上升过程中的速度变化和流量变化,把质量、动量和能量守恒方程耦合联立求解。
A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result 但是,非稳态的navier-stokes方程对于明渠水流的瞬时运动还是适用的,以连续方程和动量方程为基础,建立的各种数学模型和许多求解偏微分方程的数值计算方法在明渠紊流的求解中仍能广泛应用。
Abstract : the wave equation, continuous equation for tower structure and the method of characteristic line, are derived in this paper, and variation of structure modulus of elasticity with strain and vibration frequency being considered, state of stress on the structure affected by earthquake wave is analyzed 文摘:推导了高耸结构(杆件)波传播运动方程、连续方程和特征线求解方法.并考虑结构弹性模量随应变及振动频率的变化,对地震波作用下结构的受力状况进行了分析
The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two-phase flow in fluid machine by the finite element method . after analyzing the two-phase flow in the new purifier by means of the continuum model, poisson equation, navier-stokes equation and continuous equation are derived and solved by using the finite element method . the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier 本文采用两相流连续介质模型,由两相分离流动理论得到控制方程,采用chorin的直接速度-压力mac法的思路,对新型油水分离装置内油水两相流动作了细致的分析,同时首次把科氏惯性力引入两相流模型中,进行分析和计算,将研究扩展到三维,并用有限元法分别解poisson方程、n-s方程、连续方程的方法,对流场内压力场、速度场、浓度场进行了分析和计算,较好地模拟了新型油水分离装置内油水分离的现象,证明了设计方案的正确性。
Abstract : the secular equations of rayleigh waves in a poroelastic half-space soil are developed by analyzing dynamic equation and continuous equation of poroelastic soil . ravleigh surface wave dispersion characteristics and its displacement as well as liquid pressure distributions in saturated half-space soil are discussed 文摘:通过对饱和土中波的运动方程及连续方程分析,推导了饱和土中瑞利波特征方程,讨论了半空间饱和土中瑞利波波速度的弥散特性,以及位移和孔压分布情况
In the finite element consolidation analysis, the large strain calculation of volumn strain will appear in the continuous equation, this will make it very complex and inefficient when execute the fem calculation . this paper compares the differences among three kinds of volumn strain calculation method and points out that the small strain method can be utilized in the fem program, which is perfectly acceptable in large scale, and can simplify the calculation and promote the efficiency 在大变形固结有限元分析时,需要在连续方程中引入大变形的体应变度量,但精确的体变度量表述使得方程的形式非常复杂难以进行有效计算分析。本文对体应变的不同描述方法作了对比分析,结果表明在大变形有限元分析中引入小变形的体应变度量方法在很大范围内是理想的,并可以简化计算过程,提高计算效率。
On base of the associated explore data of the hefei station and the maanshan station in anhui province and applying the upwards retrieval method that the relatively simple mass continuous equation is used to calculate vertical velocity, to retrieve the three-dimensional construe of the atmospheric wind field, the retrieval construe of the atmospheric three-dimensional wind field and the allocation of the convective system are in reason 然后再用此反演方法对2003年7月5日发生在安徽省的一次降水过程进行分析,根据安徽省合肥站和马鞍山站对此次降水过程的联合探测资料,应用上述质量连续方程求取垂直速度方案反演出大气风场的三维结构。反演出的大气三维风场的结构及中尺度对流系统配置基本合理。
Based on tem images and ft-ir characteristics, it is found that most of layers formed as " pseudoparticles ", which connected due to very strong interaction . as a result, the tensile modulus of the composites were more tower than the corresponding values calculated by using halpin-tsai continuous equation, but higher than those of polymer matrix tem、ft-ir等表征发现,复合材料中蒙脱土片层可以很好地剥离分散于聚合物基体中,但片层并非完全以单片层分散状态剥离,而是以片层堆叠形成“准粒子”;同时,还存在一定量的团聚体。