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a numerical analysis
相关语句
  数值分析
     A Numerical Analysis of Instantaneous Response of the CH_4/O_2/N_2 Laminar Flamelet
     CH_4/O_2/N_2层流火焰瞬态响应特性数值分析
短句来源
     In specific instance,it is shown by a numerical analysis that the optimal length and chirp parameter of a grating is 140mm and 0.048nm/cm respectively to compensate the dispersion induced by an 100km fiber with 1nm bandwidth.
     特例中的数值分析表明 ,补偿 1 0 0 km光纤色散带宽为 1 nm的最佳光栅长度是 1 40 mm,最佳啁啾系数为 0 .0 4 8nm/ cm.
短句来源
     A numerical analysis of the I-V property of single electron transistors
     单电子晶体管I-V特性数值分析
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     A numerical analysis is given for Cr-ZG 45 steel as an example .
     以Cr—ZG45钢系统为例,进行了数值分析
短句来源
     A NUMERICAL ANALYSIS ABOUT ASYMMETRIC STRUCTURE AND TYPHOON MOTION
     关于台风非对称结构与台风路径的数值分析
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  “a numerical analysis”译为未确定词的双语例句
     A Numerical Analysis of the Forced Convection Condensation of Saturated Vapor Flowing Axially Outside a Horizontal Tube
     A Numerical Analysis of the Forced Convection Condensation of Saturated Vapor Flowing Axially Outside a Horizontal Tube
短句来源
     A Numerical Analysis and Comprehensive Evaluation of the Internal Environment of Ship Cabin
     船舶舱室内部环境的数量化分析与综合评估
短句来源
     A numerical analysis of Gaussian beam propagate in gradient index nonlinear medium
     高斯光束在梯度折射率非线性介质中传播的数值解
短句来源
     A numerical analysis of dovetail joints is made,and the results are compared with that of laser-speckles measuring.
     将边界元分析应用于航空发动机轮盘榫槽与叶片样头联接的计算,并与激光散斑法的实测结果进行比较;
短句来源
     50 strains of peanut rhizobia [Bradyrhizobium sp. (Arachis)], which were isolated from root nodules of over 20 peanut cultivars in 16 types of soil in 11 provinces of China were compared with 4 strains of peanut rhizobia from Zimbabwe and 7 strains known species of Bradyrhizobium (B. liaoningense, B japonicum, B elkanii) by performing a numerical analysis of 128 phenotypic features.
     从我国 11个省、 16种土壤类型、 20多个花生(Arachis hypogaea L.)品种上分离到的花生根瘤菌[Bradyrhizobium sp.(Arachis)]中选取50个代表菌株、并与从津巴布韦引进的4株花生根瘤菌及7株慢生根瘤菌常用的参比菌株共61株菌进行了128项表型特征的测定。
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  相似匹配句对
     A NUMERICAL ANALYSIS OF FLORA
     植物区系的数值分析
短句来源
     NUMERICAL ANALYSIS OF A STRIPLINE PLANAR ANTENNA
     平面带线天线元的数值分析
短句来源
     Numerical results are reported.
     并给出数值检验结果。
短句来源
     The analysis of M(?)
     M(?)
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     Numerical examples are proposed.
     最后给出了数值例子 .
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  a numerical analysis
A numerical analysis is made of the transition to equilibrium flow.
      
A numerical analysis of the interaction of axisymmetric ideal-gas jets was carried out in [7-10].
      
Some results of a numerical analysis of transient waves in gas suspensions
      
The effect of conditions in the initial cross section of the calculation region of the arc on its characteristics is investigated and a numerical analysis of the heating and acceleration of conducting gas is carried out.
      
A numerical analysis of the solution was made on a computer, and the results are shown in the form of the graphical dependences of the cavity size on the power of the source for different cavitation numbers.
      
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The one-dimensional problem of the motion of the rigid plate under explosive attack has an analytic solution only when the polytropic index of detonation product equals to three. In general, a numerical analysis is required. In this paper, however, by utilizing the "weak" shock behavior of the reflection shock in the explosion product, and applying the small parameter purterbation method, an analytic, first-order approximate solution is obtained for the problem of flying plate driven by various high explosives...

The one-dimensional problem of the motion of the rigid plate under explosive attack has an analytic solution only when the polytropic index of detonation product equals to three. In general, a numerical analysis is required. In this paper, however, by utilizing the "weak" shock behavior of the reflection shock in the explosion product, and applying the small parameter purterbation method, an analytic, first-order approximate solution is obtained for the problem of flying plate driven by various high explosives with polytropic indices other than but nearly equal to three. Final velocities of flying plate obtained agree very well with numerical results by computer. Thus an analytic formula with two parameters of high explosive (i. e. detonation velocity and polytropic index) for estimation of the velocity of flying plate is established.

刚性飞片在炸药爆炸作用下的一维抛掷问题,仅当爆炸气体多方指数等于三时可以求得解析解;一般情况下须利用计算机求出数值解本文利用了爆炸气体中反射冲击波的“弱”击波特性,使飞片运动和飞片后方流场之间相互耦合的复杂问题解耦而归结为求解常微分方程问题;然后用小参数摄动法求出多方指数接近于三的各种炸药驱动飞片问题的近似解析解,所得飞片终速和数值解符合很好;从而给出了用爆速和多方指数等两个炸药示性参量表出的估算飞片运动的良好近似公式.

This paper gives a theoretical description of the working modes and impedance matching conditions of a 3-port broadband waveguide circulator. The circulation effect obtained by using two TM1,0,-1 modes in a triangular ferrite reasonator is discussed. A numerical analysis of the tapered admittance transfer device is given, and the design of a broadband waveguide circulator with very low loss has been worked out.

本文对波导环行器的工作模式和阻抗匹配进行了理论探讨。论述铁氧体三角腔中应用TM_(1,0,-1)~±模构成环行器的工作机理,对渐变导纳变换器作了计算分析,并且设计出宽频带低损耗的波导环行器。

During the construction of Bao-shan Iron and Steel Works, Shanghai, it was observed that considerable horizontal displacement of the driven piles occurred due to the driving in of neighbouring piles, especially due to the excavation of subgrade soil. It is then desirable to analyze the influence of the horizontal displacement on the internal forces and the load-carrying capacity of the piles. Based on the measured horizontal displacements of the piles at the site, this paper tries to make an analysis on the...

During the construction of Bao-shan Iron and Steel Works, Shanghai, it was observed that considerable horizontal displacement of the driven piles occurred due to the driving in of neighbouring piles, especially due to the excavation of subgrade soil. It is then desirable to analyze the influence of the horizontal displacement on the internal forces and the load-carrying capacity of the piles. Based on the measured horizontal displacements of the piles at the site, this paper tries to make an analysis on the assumption that the soil is elastic. The flexural deformation and the bending moment of the piles without loading and with subsequent vertical loading, as well as the related movement of the soil body, are first analyzed theoretically. From the differential equation for the elastic equilibrium of the pile-soil system an analytical solution is obtained. Then a numerical analysis for a tubular steel pile with an external diameter D=406 mm is performed including its absolute horizontal displacement, the relative displacement with respect to the soil body, the lateral pressure between the pile and the soil, the bending moment, the load-carrying capacity and the factor of safety as well as the allowable displacement of the pile top and the related method of treatment. Finally, the allowable horizontal displacements of the pile tops for tubular steel piles with D=609 and 914 mm are discussed.

上海宝山钢铁总厂工程中,打好后的桩由于附近继续打桩特别是开挖土方出现了可观的水平位移,因而需要分析这种水平位移对桩产生的内力和对它的承载力的影响。本文试图依据桩的水平位移现场测试结果并近似地假设地基为弹性体来作一分析。先对无荷载的和后来承受着竖荷载的桩的弯曲变形和弯矩以及相关的土体位移作理论分析,从建立桩土体系的弹性平衡微分方程到求出需要的解析解。然后对外径D=406mm的钢管桩实例进行具体数值分析,从它的绝对水平位移、对士体的相对位移、桩土之间侧向压力、桩的弯矩、承载力和安全系数到容许的桩顶移位和有关处理方法。最后分析D=609和914mm钢管桩的容许桩顶水平位移。

 
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