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分析方程     
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  analysis equation
     Based on the analysis model of pipe roof applied in the cutting under shallow overburden in soft ground,the analytical sensitivity analysis equation of bending moment induced by excavation release load is developed.
     为了解管棚直径对管棚作用效果的影响,针对软弱地层浅埋暗挖法施工中管棚分析模型,采用解析法推导了单开挖步序地层释放荷载引起管棚内力对管棚惯性矩的敏感度分析方程.
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     Stability Analysis Equation of Sandwioh Paltes
     夹层板的稳定性分析方程
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     Here,a reduced statistical energy analysis equation is proposed with un-excited subsystems ignored.
     提出一种缩减的统计能量分析方程,通过去掉不受激励的子系统,使余下子系统的能量方程依然符合标准形式。
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     On the base of static analysis of rocker,dynamic analysis model of whole valve train is established by means of finite element method(FEM). The dynamic analysis equation is solved by Wilson  step by step integration.
     在摇臂静力分析的基础上,建立了整个机构的有限元动力分析模型,用Wilson-逐步积分方法求解动力分析方程
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     Based on the analysis of the actual measured data, the fit equation and stability analysis equation for rock slope under the condition of blasting vibration in full course have been established. Meanwhile, it also describes the changes of stability factors of rock under the blasting vibration as time goes.
     在对实测资料进行分析的基础上,建立了岩质边坡爆破振动全历程拟合方程,给出了爆破振动的全历程稳定分析方程,描述了岩体在爆破振动下稳定系数随时间的变化情况。
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  analysis equations
     Then vibration equations are deduced through perturbing the dynamic equations at wing’s equilibrium position, and coupled with unsteady stall aerodynamic model and ONERA model, to obtain the nonlinear stall flutter analysis equations of wing.
     然后,使用小扰动分析的方法得到机翼在平衡位置附近的振动方程,采用ONERA半经验的非定常失速气动力模型,获得机翼在平衡位置附近的非线性失速颤振分析方程
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     IN LOW VELOCITY NON DARCY PERCOLATION FLOW THE UNITY OF WELL TEST ANALYSIS EQUATIONS USED FOR GAS AND OIL WELLS RESPECTIVELY
     低速非达西渗流中气井、油井试井分析方程的统一
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     According to the feature of underground soft rock roadway of coal mine,reliability analysis equations for two types of surrounding rock,which are approximately horizontal medium and quasi continuous medium,were established under the condition of surrounding rock supported by bolt mesh arch.
     根据煤矿地下软岩巷道特点 ,建立了在近水平层状力学介质中和似连续力学介质中这两类主要软岩巷道围岩在锚喷支护下的可靠度分析方程
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     For each trial design, the analysis equations must be solved and the corresponding analyses usually involve much computational effort.
     为了减少计算成本,以不直接求解结构修改后的隐式分析方程,而利用初始分析的相关信息设计高效算法来求解修改后结构响应的重分析方法,日益受到人们的重视并得到飞速发展。
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     We deal with the problem of earthquake response for flexibility stand cylindrical steel storage tank. Simple mechanical analysis model is given, vibration analysis equations of isolation system for stand storage tank are established. Numerical simulation calculation is adopted and quantitative analysis is made.
     对弹性圆柱钢制储液容器的地震响应建立了振动分析方程 ,以隔震基频和阻尼为基量 ,采用数值仿真计算进行定量分析 .
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  analytical equations
     The tendency analytical equations of stable nuclides and the superluminal velocity motion laws of matter in geospace
     地球空间稳定核素的趋势分析方程与物质的超光速运动规律
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     The transfer equations of the displacement, velocity and acceleration of the whole differential system under 5 dof(degree of freedom) constrained mode input and 6 dof free mode input are given. The algorithm also gives vector analytical equations of the velocity and the acceleration of the parts of the system.
     分析了约束五自由度输入下的系统运动学特性,得到了空间六自由度及约束五自由度输入下系统的具有差动式特点的位移、速度、加速度变换方程,以及构件速度矢量、加速度矢量的分析方程,并进行了实例系统的计算分析。
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     In this paper, based on the theory of contact analysis with friction in 3 dimension, was established the model of mechanics for blades in closed state and the analytical equations for contact force on the vertical surface as well as contact gap. The calculation method was determined, and the special purposed software was developed.
     本文基于三维带摩擦的接触分析理论,建立了水轮机导叶在闭紧状态下的力学模型、导叶立面接触力及接触间隙的分析方程、确定了计算方法、开发了专用软件。
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     Simple analytical equations are given in this paper to predict the penetration and perforation of thick metallic targets under normal impact by missiles with different nose shapes over a wide range of impact velocities.
     给出了预测厚金属靶在不同形状弹头弹丸大速度范围内打击下侵彻与穿透的简单分析方程
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  “分析方程”译为未确定词的双语例句
     Results HBsAg positive rate accord to the linear equation Y=-0.31X +625.98, and the correlation R=-0.642. It is about 6.2 % that the HBsAg positive rates of the boys and 3.9 % for the girls in 9 years.
     结果HBsAg阳性率线性回归分析方程为Y=-0.31X+625.98,相关系数R=-0.642。 9年合计男生HBsAg阳性率为6.2%,女生阳性率为3.9%,男女生差异具有统计学意义(χ2=83.83,p<0.01)。
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     FINITE ANALYTIC EQUATION FOR CONFINED STEADY WELL FLOW
     承压稳定井流的有限分析方程
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     Equation and Solution for LAN Protocol Analysis
     局网的协议分析方程及其解
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     The interveiated analysis waser = 0. 9000,the equation of return analyses was different.
     回归分析方程分别为y=-0.429+1.168x,y=0.353+0.911x,y=12.752+0.907x。
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     We analyze the dynamics in the vicinity of a jump point of the slow manifold and consider the relationship between singular cycle and the limit cycles of systems as ρ→0.
     v′=ρ(2u-v)其中0<ρ<<1,(u,v)∈R~2。 的周期解,使用Dumortier和Roussarie创立的blow—up方法分析方程在慢流形跳跃点邻域内的情况,进而得到当ρ→0时此方程极限环与奇异周期轨线的关系。
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  analysis equation
Near-infrared spectroscopy and principal components analysis were used to develop a discriminant analysis equation that could identify correctly the type of seed oil present in extra virgin olive oil in 90% of cases.
      
In the veteran sample, only one macrolevel variable entered the stepwise analysis equation: the number of dwelling units in the site.
      
Pursuing this analytically will give the analysis equation 63 for parallel Zin as a function of inductor parallel resistance Rp.
      
Pursuing this analytically will give the analysis equation 62 for parallel Zin as a function of inductor parallel resistance Rp.
      
The criterion for entry into the logistic regression analysis equation was a value of p from the Kendall's Tau-b analysis.
      
  analysis equations
The various formulations differ in the independent variables chosen, the analysis equations employed, and the form of the resulting constraints.
      
We present an approach for reducing the number of variables and constraints, which is combined with System Analysis Equations (SAE), for multiobjective optimization-based design.
      
It is based on formulating the analysis equations and the continuity conditions for a sequence of typical modules.
      
Accumulated meteorological variables were of the greatest value in most regression analysis equations, heat-related variables being the most important.
      
Neglecting the implicit analysis equations, the solution becomes independent of the control variables and a lower bound (LB) on the optimum can easily be obtained.
      
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  analytical equations
In particular, analytical equations can be obtained in the steady case for the radius of the cavity during flow of a weightless, and of a heavy, fluid round an object.
      
Analytical equations (asymptotics at large electrode charges) for concentrations of solvated ions in the plane of their maximum approach and for their "surface excesses" (diffuse adsorption) are determined.
      
Analytical equations are derived for the partial amplitudes of scattered waves and forced oscillations.
      
The analytical equations obtained are in agreement with the experimental data on the cross section of multiphoton ionization and give an estimate of the threshold field values in the tunneling region.
      
The analytical equations used are derived by the Born method.
      
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In this paper we invesigate the relative position of limit cycles of the system dx/dt=-y-y~2+mxy+dx,dy/dt=x(1+ax)(1)where α<0 and dm≠0. It is already known, that(1) can have limit cycles only when dm>0 and|d|<|m|. System (1)has four elementary critical points: O(0,0), M(0,-1), N'(-1/a,y_1'), R'(-a,y_2'), (y_1'>y_2'), where O and R' have index +1, M and N' have index -1. The main result in § 1 is the following: Theorem: (ⅰ)In case m>-a>0 and d>0 sufficiently small system, (1) has just two limit cycles, appearing...

In this paper we invesigate the relative position of limit cycles of the system dx/dt=-y-y~2+mxy+dx,dy/dt=x(1+ax)(1)where α<0 and dm≠0. It is already known, that(1) can have limit cycles only when dm>0 and|d|<|m|. System (1)has four elementary critical points: O(0,0), M(0,-1), N'(-1/a,y_1'), R'(-a,y_2'), (y_1'>y_2'), where O and R' have index +1, M and N' have index -1. The main result in § 1 is the following: Theorem: (ⅰ)In case m>-a>0 and d>0 sufficiently small system, (1) has just two limit cycles, appearing separately in the neigh bourhood of 0 and R'. (ⅱ) In case-a>m>0, when d increases from zero, limit cycles appear first in the neighbourhood of O, and later also in the neighbourhood of R', they may exist at the same time. (ⅲ)In case 0>m>a and m

本文考虑形如 dx/dt=-y+ny~2+mxy+dx,dy/dt=x(1+ax)(1)的第Ⅱ类方程的极限环的相对位置,方程(1)一般有四个初步奇点,两个指标+1的奇点,两个指标-1的奇点(即鞍点)。在§1中,我們給出两个指标+1的奇点附近存在极限环与不存在极限环的某些充分或必要的条件,且給出两个指标+1的奇点附近同时存在极限环与不可能同时存在极限环的充分条件。在§2中,我們分析了方程(1)的軌綫的全局拓扑結构,並分析了两个指标-1的鞍点产生分界环线的可能性,且由这些分界环线的稳定性确定指标+1的奇点附近出現极限环的个数的奇偶性。同时,我們发現了在某些情形,当|d|由零增加至|m|时,在奇点R′附近会突然跳出一个半稳定坏,然后分裂为至少一个稳定环和一个不稳定环。

In this article, the coupling equations of the laser, the first Stokes, the first anti-Stokes light, and the coherent phonon field are derived from the hamiltonian with the relaxation and dissipation terms introduced phenomenologically. The properties of these equations are analysed by adopting an approximation higher than the quasi-static approximation, provided the molecules are far from resonance. The threshold for a Raman Maser is obtained and the temporal behaviour discussed. It is shown that no additional...

In this article, the coupling equations of the laser, the first Stokes, the first anti-Stokes light, and the coherent phonon field are derived from the hamiltonian with the relaxation and dissipation terms introduced phenomenologically. The properties of these equations are analysed by adopting an approximation higher than the quasi-static approximation, provided the molecules are far from resonance. The threshold for a Raman Maser is obtained and the temporal behaviour discussed. It is shown that no additional threshold condition is required for the anti-Stokes components, i.e., the stimulated anti-Stokes radiations make their appearance as a matter of fact in the stimulated Raman effect. Under certain conditions, there exists only one stable equilibrium point, at which the Stokes and anti-Stokes light appear with equal intensity, when the Raman-active medium is pumped by an intensive laser beam. The effect of phonon relaxation and the behaviour of the Raman Maser with long lifetime phonons are discussed as well.

本文从哈密顿量出发,导出描写受激Raman过程的方程式:Laser光、一级Stokes与反Stokes光及相干的声子场的耦合方程,并唯象地引入弛豫耗散。在分子属于远共振情形及比介电常数近似更高一级的近似下,分析了方程的性质。由平衡点稳定性的讨论给出了Raman光激射器的阈值,发现反Stokes激射光的产生并不要求附加的阈条件,即在受激Raman效应中,反Stokes光总是必然出现的。对于Raman光激射器诸工作点的性质及工作过程也作了进一步的讨论,发现在一定条件下,在强激射光源辐照下,存在着Stokes与反Stokes成分几乎各占一半的唯一的稳定平衡点(Raman光激射器的工作点)。文中也顺便讨论了声子弛豫所起的作用及有长寿命的声子时Raman光激射器的行为。

In this paper, we present a concise device physics theory for I2L family. The core of the integrated injection logic family which includes I2L, I3L, S2L, SFL, SI2L and 3JL etc., is composed of three mutually interactive PN junctions.By making use of the'Total Number of Excess Minority Carriers"mothod, and starting from the integral form of the continuity equation, we shall relate the terminal current of I2L with the total mumber of excess carriers, which are functions of the junction voltages. The theory can...

In this paper, we present a concise device physics theory for I2L family. The core of the integrated injection logic family which includes I2L, I3L, S2L, SFL, SI2L and 3JL etc., is composed of three mutually interactive PN junctions.By making use of the'Total Number of Excess Minority Carriers"mothod, and starting from the integral form of the continuity equation, we shall relate the terminal current of I2L with the total mumber of excess carriers, which are functions of the junction voltages. The theory can be used to compute the recombination losses of various regions. The culculated results can be used to understand and to design the I2L family, and the parameters are also measurable from the circuit characteristic point of view.Taking the I2L LSI or VLSI as a single device, We can specify and measure the static input and output characteristics.It exhibits various regions of operation.For each of these various modes of operation, we can simplify the analysis, and obtain, with appropriate approximation, simple equivalent circuits, which can be used for CAD.The Eber-Moll and Gummel-Poon models are useful for junction transistors. However, these models are insufficient for three mutually interactive junctions. Especially for the dynamic behavior of I2L, it is necessary to consider the building up or decaying of the "Total Number of Excess Carriers" in the entire I2L. The charging and discharging currents are no more constants as that has been assumed in the "Charge control" theory. Simplified equations will be given for the dynamic analysis of I2L. This analysis provides useful basic principles for the device design theory and the circuit design theory.

本文叙述了注入型电路的器件物理。注入型电路包括I~2L、I~3L、S~2L、SFL、SI~2L以及3JL等,它们的核心是三个相互作用的PN结。 采用“过剩少数载流子总量”的方法,从电流连续方程的积分形式入手,给出了注入型电路端点电流与“过剩少数载流子总量”,以及端点电压之间的关系,由此可以计算出各区域的复合损失。计算结果可用来理解和设计注入型电路。从线路的角度来看,这些参数也可直接测得。 文中给出了可测的注入型大规模集成电路的静态输入和输出特性曲线族。这些特性曲线族包括了各种工作区。对于各种工作区域,可简化为简单的等效电路,用来进行线路和器件的设计,也可用于计算机辅助设计。 E-M和G-P模型对于描述结型晶体管是很完善的,但是不能充分描述三个结之间的相互作用。因此,特别是对于注入型电路的动态分析,还须考虑注入型电路各区域的“过剩少数载流子总量”的建立和消失过程,这时充、放电电流都已不是常数。本文给出了简化的动态分析方程,这些方程有助于器件和线路的设计。

 
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